BOB'S C6 PARTS & TECH NEWS 05-27-05 NEW TECH BULLETINS!

[CorvettePartsBob]

This is Bob at Fichtner Chevrolet, and I wish to thank you for taking
the time to read my newsletter. I will be including technical and service information as it comes available from GM.

If you have any questions or wish to order parts for your Corvette or
any GM vehicle you can call me at 406-628-4618; or 800-234-5284 or email me at parts@fichtnerchevrolet.com

Remember we off all GM parts at wholesale prices, not just Corvette!

We also have a popular Corvette parts order web site here:
http://www.corvetteforum.net/c5/kenf...rtspage1.shtml
We will be updating this site with the popular C6 parts as they come
available.

SPECIAL INFORMATION: The C6 front bras are in!
ON SALE FOR $ 75.00


A: POPULAR PARTS

B: TECHNICAL BULLETINS AND INFORMATION


A: POPULAR C6 PARTS AND ACCESSORIES

CORSA EXHAUST SYSTEMS
We have both the Corsa Sport and Touring systems available at wholesale
prices.

These are a cash or check basis sale price. To order call 800-234-5284

CORSA SPORT $ 1050.00 SHIPPED
CORSA TOURING $1295.00 SHIPPED
THESE SYSTEMS COME WITH THE DUAL 3.5 “ TIPS.

GM PERFORMANCE EXHAUST SYSTEM BY BORLA
This is a all new T304 stainless steel system similar in sound to the Borla
Street Touring system.

This is also on a cash or check basis sale price. To order call 800-234-5284

GM PERFORMANCE SYSTEM $ 1257.00 SHIPPED
THIS SYSTEM COMES WITH DUAL 3.5 “ TIPS ONLY AT THIS TIME, OTHER STYLE TIPS
WILL BE AVAILABLE IN THE FUTURE GM SAYS.

These are some of the accessories available to order now!
Many of the colors and items are new !


Rear Spoiler – Precision Red List $ 175.00 Cost $
148.75
Rear Spoiler – Magnetic Red
Rear Spoiler – Millennium Yellow
Rear Spoiler – Victory Red
Rear Spoiler – Arctic White
Rear Spoiler – Machine Silver
Rear Spoiler – Daytona Sunset Orange
Rear Spoiler – Lemans Blue Metallic




Door Handles – Precision Red List $ 100.00 Cost $ 85.00
Door Handles – Machine Silver
Door Handles – Daytona Sunset Orange
Door Handles – Lemans Blue Metallic
Door Handles – Arctic White
Door Handles – Magnetic Red Metallic
Door Handles – Millennium Yellow
Door Handles – Victory Red

Rear License Plate Holder – Precision Red List $ 65.00 Cost $ 55.25
Rear License Plate Holder – Machine Silver
Rear License
Plate Holder – Daytona Sunset Orange
Rear License Plate Holder – Lemans Blue Metallic
Rear License Plate Holder – Black
Rear License Plate Holder – Arctic White
Rear License Plate Holder – Magnetic Red Metallic
Rear License Plate Holder – Millennium Yellow
Rear License Plate Holder – Victory Red

Front License Plate Holder – Precision Red List $ 65.00 Cost $
55.25
Front License Plate Holder – Machine Silver
Front License Plate Holder – Daytona Sunset Orange
Front License Plate Holder – Le Mans Blue
Front License Plate Holder – Arctic White
Front License Plate Holder – Magnetic Red Metallic
Front License Plate Holder – Millennium Yellow
Front License Plate Holder – Victory Red

Brushed Aluminum Door Sill Plates List $ 80.00 Cost $
68.00

Storage Pouch-Single List $ 115.00
Cost $ 97.75

Transparent Roof Panel

Transparent Top-Partial for C2L and CC3 option ONLY
This includes the glass and framework, NO weatherstrips or latches!
List
$ 900.00 Cost $ 750.00

Accessory add on Transparent Top-complete assembly-CF7 option
This includes everything to add a transparent top to a car that did not
come with one from the factory.
List $
1600.00 Cost $ 1295.00

Storage Bag for Removable Roof Panel
With Corvette Logo List $ 80.00 Cost
$ 66.00

Wind Screen for Convertible with storage bag
List
$ 425.00 Cost $ 350.00

INTERIOR TRIM PACKAGES List $ 395.00 Cost $ 325.00

2005 Interior Trim Package for coupe & models
with manual convertible top.

Daytona Sunset Orange Metallic
Le Mans Blue Metallic
Victory Red
Machine Silver Metallic

2005 Interior Trim Package for models
with power convertible top.

Daytona Sunset Orange Metallic
Le Mans Blue Metallic
Victory Red
Machine Silver Metallic

C6 FRONT BRA $ 79.50




ACCESSORY PARTS GM SAYS IS COMING SOON!


Cargo Organizer GM says should be available by Summer
18” & 19” Cast Aluminum 10 spoke wheels ( available polished or with painted
silver, gold, and gun metal finishes) GM says available by late Fall
Exhaust plate screen GM says available by June
CD Changer GM says available in 2006
Woven Mesh Side Cove Inserts GM says available by July
Chrome Door Handles GM says available by June
Decklid Liner with Embroidered Logo ( convertibles only) NO ETA
Manual Shift Knob & Boot – keyed to interior color NO ETA
Park Brake Handle & Boot – keyed to interior color NO ETA


Z51 BAR KIT
For those who got a base suspension and wish to firm up their handling. The
kit includes front and rear bars and bushings. You can reuse the end links.
The kit lists for 213.95 and we have them available for 160.44

Z51 SHOCKS
These shocks will give a firmer ride than the base suspension. They list for
77.01 ea and we have them for 57.75 ea.

OIL FILTER AND MAGNETIC DRAIN PLUG
The standard filter is the PF46 filter. If you want the best filter on the
market you can use the Delco Ultraguard Gold UPF44 filter. This is the same
premium filter we have offered for the C5. We have them available in single
pricing of 7.95 ea or package quantity of 6 or more at 6.95 ea.

The magnetic drain plug that we have offered on the C5 also will fit the C6
and they are 2.15 ea.

WHEEL LOCKING LUG NUTS
We have the locking lug nut sets in stock, they are 22.95 a set.

TOUCHUP PAINT AND PAINT CHIP REPAIR KITS
We have the same GM paint chip repair kits available as for the C5. This kit
includes ultra fine sanding paper, a special rock chip sanding pen, polishing
compound, special applicators and a bottle of clear coat. It has a spot to
keep a tube of the actual car color touchup paint as well. This kit is 9.13

We have the touchup colors in tube and spray available as well from GM. The
tubes are 7.50 ea and the spray cans are 9.50 ea. To order we need either the
vin # or paint code.

MORE PARTS TO COME SOON!

If you have any part question please give us a call at 406-628-4618 or
email us at parts@fichtnerchevrolet.com

B. TECHNICAL BULLETINS AND INFORMATION


If you have any area or concerns you would like to see addressed here email me
at parts@fichtnerchevrolet.com or call me at 800-234-5284 and I will see what
we can do.

For those that want more technical information here is a link to the GM Tech
Link Newsletters on the web. http://gmtechlink.com/
This newsletter is geared for dealership technicians, but for those who just want the info or do your own work you will find a wealth of information here.

TURNING CROSS-DRILLED ROTORS


fig 16

fig 17

Cross-drilled brake rotors (fig. 16) are being used on the 2005 1/2 Pontiac Grand Prix GXP, and available on the 2005 Chevrolet C6 Corvette and the upcoming Cadillac XLR-V.

If required, these brake rotors can be machined on a lathe in a similar manner to standard rotors.

TIP: When cutting rotors, use positive rake tooling on the lathe (fig. 17). Positive rake tooling requires less cutting pressure, reduces chatter, and improves surface finish. When setting up the brake lathe, be sure to use a vibration dampener/silencer.

Using SI procedures, apply a non-directional finish to the rotor surface after machining by using a sanding block and 150-grit aluminum oxide sandpaper.

This information is from the May 05 GM Tech Link.


NEW DEXRON VI AUTOMATIC TRANS FLUID

During the first six months of 2005, GM Powertrain will transition from Dexron III automatic transmission fluid to Dexron VI.
Dexron VI offers these longer-life characteristics.
Dexron III and Dexron VOI can be mixed with no problem.

EXTENDED FACTORY FILL FOR LIFE 150K miles for cars
200K miles for trucks

CLUTCH FRICTION STABILITY IMPROVED 100%

CLUTCH DURABILITY DUE TO FLUID IMPROVED 120%

OIL FILM THICKNESS IMPROVED 20%

FLUID OXIDATION IMPROVED 100%

FOAM / AERATION IMPROVED 150%

SHEAR STABILITY IMPROVED 200%

Dexron VI Followup As a followup to the Dexron VI article in the February TechLink, here are the current part numbers.88861003 1 quart container DEXRON® -VIGM Vehicle Care
88861037 1 quart container DEXRON® -VIAC Delco
88861004in Canada 1 liter container DEXRON® -VIAC Delco
GM began factory-fill of the new transmission fluid on April 4, starting with the new Hydra-Matic 6L80. DEXRON®-VI will be available at GM authorized dealerships and service centers in Summer 2005.- Thanks to Susan Leach


COOLER LINE OIL LEAK ON 6.0 CORVETTES

Document ID# 1567011 2005 Chevrolet Corvette

Service VME - 05 LS2 6.0 Chevrolet Corvette Oil Leak at Oil Cooler Lines - kw
hose line fitting filter adapter #PIP3242 - (Nov 18, 2004)
05 LS2 6.0 Chevrolet Corvette Oil Leak at Oil Cooler Lines
.
The following diagnosis might be helpful if the vehicle exhibits the symptom
described in the PI.

Service VME
.

Condition/Concern:
A dealer technician may find signs of oil leaking at the oil cooler lines or
oil filter base.

Recommendation/Instructions:
This is a service VME to all Chevrolet dealers relating to 2005 Corvettes with
complaints of oil leaks at the oil cooler lines.
There has been a reported case of an oil cooler line leaking at the oil filter
base. The oil cooler lines attach to an adapter located above the oil filter.
If a customer complaint of an oil leak is discovered, the technician should
clean the area and test drive the vehicle to determine if it is a leak or
residual oil from the assembly process. Bowling Green has instituted a process
to clean the area around the oil filter base after the lines are connected. This is Art Spong Brand Quality manager for the Corvette. . Please follow this diagnosis process thoroughly and complete each step. If the
condition exhibited is resolved without completing every step, the remaining
steps do not need to be performed. If these steps do not resolve the
condition, please contact GM TAC for further diagnostic assistance.

Models:
(05 YB LS2 6.0 Chevrolet Corvette)
.

GM bulletins are intended for use by professional technicians, NOT a
"do-it-yourselfer". They are written to inform these technicians of
conditions that may occur on some vehicles, or to provide information that
could assist in the proper service of a vehicle. Properly trained technicians
have the equipment, tools, safety instructions, and know-how to do a job
properly and safely. If a condition is described, DO NOT assume that the
bulletin applies to your vehicle, or that your vehicle will have that
condition. See your GM dealer for information on whether your vehicle may
benefit from the information. WE SUPPORT VOLUNTARY TECHNICIAN CERTIFICATION
© Copyright General Motors Corporation. All Rights Reserved.

Document ID# 1567011 2005 Chevrolet
Corvette

CORVETTE BOSE SPEAKER DOOR RATTLE

According to a recent investigation, a door rattle concern in the 2005
Corvette may be caused by the Bose speaker rattling in the door panel.

See the following bulletin on how to check this out. Information on Door/Speaker Noise Concerns #05-08-44-004 - (Feb 2, 2005)
Table 1: Speaker Static
Door/Speaker Noise Concerns
2005 Chevrolet Corvette
It has come to our attention that door speakers are being unnecessarily
replaced to correct a door rattle concern.
Prior to replacing any speaker(s), follow the tables below to determine the
root cause.
Step Action Yes No
1 1. Inspect the door trim before removing it. 2. Set the bass control to the
maximum level and the volume to the halfway mark. Is the Bose® emblem
loose? Go to Step 2 Go to Step 3
2 Remove the trim and repair or replace it.Does this correct the condition
? Repair complete Go to Step 3
3 Does the map pocket vibrate? Go to Step 4 Go to Step 5
4 Remove the trim and repair or replace it.Does this correct the
condition? Repair complete Go to Step 5
5 Do the trim attachment points vibrate? Go to Step 6 Go to Step 7
6 Remove the trim and replace the retaining clips.Does this correct the
condition? Repair complete Go to Step 7
7 Remove the trim and inspect the rear side of trim for loose parts.Is the
impact foam loose? Go to Step 8 Go to Step 9
8 Remove and repair the foam attachment.Does this correct the
condition? Repair complete Go to Step 9
9 Do the speaker grille tabs vibrate? Go to Step 10 Go to Step 11
10 Remove or replace the grille or repair the grille attachments.Does this
correct the condition? Repair complete Go to Step 11
11 Do the LED wires to the door lock vibrate? Go to Step 12 Go to Step 13
12 Remove the trim and repair or replace.Does this correct the
condition? Repair complete. Go to Step 13
13 Do any other parts buzz or rattle? Go to Step 14 Repair complete
14 Repair the buzz with tape or foam. Repair complete Proceed to the next
table

Speaker StaticChecks Actions Yes No
Is the static coming from the audio system (AM and/or FM) or the OnStar®
system? Refer to the Service Information for the appropriate diagnostic and
correction procedures. -- --
If static is coming from the radio, it will be heard in the front left and
center speaker. If static is coming from the speaker, use a Diagnostic CD, (J
39916-8) to check the speaker. Insert a known, good quality CD. -- --
Using service diagnostic CD (J 39916-8), play tracks 4, 5, 6, and 7 for tones
and track 14 for Obd sound (quiet track). Set the radio controls to fade and
balance to the speaker where the noise is coming from. Set the treble control
to max and adjust the volume to hear the noise. 1. Play tracks 4-7 to
determine if the speaker is rubbing or has static. Are harsh sounds coming
from a single speaker? 2. Determine if the radio has a hiss. Play track 14 and
listen for static at 1st volume step and full volume. A hiss noise will be
audible at 1st step, more hiss noise is acceptable at full volume. 3. If hiss
is heard in the radio at the first volume click, then inform the customer the
system is working to spec. 4. Replace the speaker and verify this fixes the
customer's concern. 5. Verify other sources for static noise -- AM, FM, XM,
and OnStar®. Refer to the Service Manual for fixing or replacing other
modules. Go to Step 4Go to Step 3 Go to Step 2Go to Step 5

Step Action Yes No
1 Play the speaker while the door trim is off.Does the wire harness on the
door or trim vibrate? Go to Step 2 Go to Step 3
2 Repair the buzz with tape or foam.Does this repair the condition ? Repair
complete Go to Step 3
3 Is the water deflector loose? Go to Step 4 Go to Step 5
4 Add adhesive to re-secure the deflector.Does this repair the condition ?
Repair complete Go to Step 5
5 Are there loose patches sealing holes? Go to Step 6 Go to Step 7
6 Repair or replace the patches. Does this repair the condition? Repair
complete. Go to Step 7
7 Check for loose speaker fasteners.Are there any loose fasteners? Go to Step
8 Go to Step 9
8 Check torque and tighten the fasteners to specification, if necessary.Does
this repair the condition ? Repair complete Go to Step 9
9 Door speaker rub-through will have a grainy sound. Inspect for this at
different volume levels.Is rub-through suspected? Got to Step 10 Go to Step 11
10 Replace the speaker.Does this repair the condition ? Repair complete. Go to
Step 11
11 Remove the speaker and play the audio with the speaker in your hand. Is the
speaker buzzing? Go to Step 12 --
12 Replace the speaker. - --

GM bulletins are intended for use by professional technicians, NOT a
"do-it-yourselfer". They are written to inform these technicians of
conditions that may occur on some vehicles, or to provide information that
could assist in the proper service of a vehicle. Properly trained technicians
have the equipment, tools, safety instructions, and know-how to do a job
properly and safely. If a condition is described, DO NOT assume that the
bulletin applies to your vehicle, or that your vehicle will have that
condition. See your GM dealer for information on whether your vehicle may
benefit from the information. WE SUPPORT VOLUNTARY TECHNICIAN CERTIFICATION
© Copyright General Motors Corporation. All Rights Reserved.




ERRATIC FUEL GAGE, 2002-2005 CORVETTE AND XLR

SERVICE - ALL CHEVROLET & CADILLAC DEALERS

Subject: 2002-2005 Chevrolet Corvette and 2004-2005 Cadillac XLR Fuel Gauge Is
Erratic
Message #: VSS20050445
2002, 2003, 2004, 2005 Chevrolet Corvette and 2004-2005 Cadillac XLR (Y-Body)
Fuel Gauge is Erratic
Art Spong 586-947-8890

General Motors is in the process of redesigning the fuel tank sending units in
both of the subject vehicles. A new part number has been released but it is
not yet in stock. Some dealers have attempted to order the new parts 88967315
or 7316 and they have been told that the parts are not yet available. The new
parts have an improved ink coating which will provide improved resistance to
fuel contamination and correct fuel sender over travel which is the primary
cause for the fuel gauge being erratic. Fuel Modules should not be replaced
for complaints of erratic fuel gauge. The fuel sender card is the only part
required.

Until the new fuel sender cards are available, the 2004 card is available and
can be used. Part number 10310028 left side and 10310103 for the right side
will operate in all 2002 through 2005 applications. However it does not have
the improved ink path. In cases where a customer insists on a replacement
part, the 2004 part can be used although it is the same part that is currently
in their car. Availability is expected by the end of April. A bulletin will be
released with correct part numbers as soon as the parts become available.


C6 CORVETTE IP COMPARTMENT DOOR WARPED

This information is from a March 05 Tech Link News Bulletin

Owners of some 2005 Corvettes may comment that the I/P compartment door
appears warped and extends outward near the center IP. This may be caused by
the torque sequence when the door is installed by the plant.
To correct the condition, loosen the attaching screws at the bottom of
the door. Then retighten the screws, beginning with the outboard screw, the
one on the right side and then the inboard screws.


Transparent Tops: I have called GM Parts Technical Assistance as there
has been much confusion about the glass tops as GM Parts lists 2 different
tops at very different prices. The following is a quote from GM. “ If your car
has the CF7 option you must use the more expensive accessory top. If your car
has the C2L or CC3 option ( came from the factory with dual or glass top; not
just the painted top) you can use the less expensive top that comes as a
partial assy. Note: you would need to also get the latches, weatherstrips etc.
The difference is in the fit. The tops look similar, but a C2L or CC3 top will
LEAK LIKE A SIVE when put on a car with CF7.”

CORVETTE KEYLESS IGNITION

This is taken from an August 2004 GM Tech Link Newsletter.

The 2005 Corvette keyless access system uses a coded transmitter fob.
With the transmitter fob inside the passenger compartment, pressing the START
button on the instrument panel starts the engine. The engine is turned OFF by
briefly pressing the OFF/ACC button.
TIP: In most respects, this system is identical to the one used on the
Cadillac XLR. However, there are some differences in the keyless access system
when the Corvette is equipped with a manual transmission.
The ignition is not designed to turn off on vehicles equipped with a
manual transmission unless the transmission is in REVERSE. This means the
ignition state will be Key On, Engine Off if the transmission is not in
Reverse when the OFF/ACC button is pressed.
This can affect some service procedures because the engine control
module (ECM) remains awake in the Key On, Engine Off state.
TIP: When performing any service procedure calling for turning the
ignition OFF on a manual transmission car, be sure to place the transmission
in Reverse before pressing the OFF/ACC button.
After a reprogramming event or after performing a CKP System Variation
Learn Procedure, it’s necessary to turn the ignition OFF for a period of time,
to allow the data to be written to long term memory because the ECM is waiting
for the ignition state to be OFF.
If the engine is started or the ignition is turned back to RUN under the
assumption that the ignition had bee turned off after the procedure, the write
is aborted and all of the learned information is lost.
In the case of an ECM reprogramming or replacement, it could appear that
the ECM did not properly program. With a CKP learn, the ECM will not store the
learned values, which may cause DTC’s to set.
TIP: If battery voltage drops below 9v the electronic control modules
shut down.


Condition Button Press What Happens

Engine off, ignition off Press Start Ignition on,
engine starts

Automatic Trans. In Park Press off/acc Engine off, ignition
off,
Engine Running RAP
enabled for up to 20

Minutes.

Automatic Trans. In Park Press off/acc ACC enabled
Engine off, ignition off

Manual Trans. In reverse Press off/acc Engine off,
ignition off,
Engine Running RAP
enabled for up to

20 minutes.

Manual Trans. Not in reverse Press off/acc Key On, Engine Off
Engine running

Either Transmission Press off/acc ACC enabled
Engine Off, Ignition Off

Either Transmission Press off/acc Key On, Engine
Off
Engine Off, Ignition Off for 5 seconds



TOP TIER DETERGENT GASOLINE

This information applies to all 2005 and prior GM passenger cars and
trucks. (U.S. and Canada only)
Top Tier Detergent Gasoline, a new class of gasoline with enhanced
detergency, will be appearing at retail stations of some fuel marketers. This
gasoline meets new, voluntary deposit control standards developed by GM, BMW,
Honda and Toyota.
The U.S. EPA requires all gasoline sold in the U.S. to contain a
detergent additive. However, the requirement is minimal and in many cases is
not sufficient to keep engines clean. A higher level of detergent is needed
than what is required by the EPA. Top Tier Detergent Gasoline exceeds the
detergent requirements imposed by the EPA.
The four corporations recognized the benefits to both the vehicle and
the consumer. Also, joining together emphasized that low detergency is an
issue of concern to several automotive companies.
All vehicles will benefit from using Top Tier Detergent Gasoline, which
will help keep engines cleaner than gasoline containing the lowest additive
concentration set by the EPA. Clean engines help provide optimal fuel economy
and performance, and reduced emissions. Those vehicles that have experienced
deposit related problems would especially benefit from the use of Top Tier
Detergent Gasoline.
The Top Tier program, begun on May 3, 2004, is a voluntary program
initiated by the four automotive companies. Some fuel marketers have already
joined, although not all fuel marketers will off Top Tier Detergent Gasoline.
Once fuel marketers make public announcements, a list of all fuel marketers
meeting Top Tier standards will be made available. For now, it will be
necessary to look for the “Top Tier” designation at the gas pump.

TOP TIER UPDATE BULLETIN:

Info - Top Tier Detergent Gasoline (Deposits, Fuel Economy, No Start, Power
Performance, Stall Concerns) #04-06-04-047C - (Dec 14, 2004) Top Tier Detergent Gasoline (Deposits, Fuel Economy, No Start, Power,
Performance, Stall Concerns)
2005 and Prior All General Motors Passenger Cars and Trucks (U.S. Only) 2005 and All Prior Saturn Vehicles 2003-2005 HUMMER H2 This bulletin is being revised to include additional gasoline brands that
currently meet the Top Tier Detergent Gasoline Standards and add Saturn to the
Models section. Please discard Corporate Bulletin Number 04-06-04-047B
(Section 06 - Engine/Propulsion System).
A new class of gasoline, called Top Tier Detergent Gasoline, is appearing at
retail stations of some fuel marketers. This gasoline meets detergency
standards developed by four automotive companies. A description of the concept
and benefits of Top Tier is provided in the following question and answer
section.

Gasoline Brands That Currently Meet Top Tier Detergent Gasoline Standards As of December 8, 2004, the following gasoline brands meet the Top Tier
Detergent Gasoline Standards:
• Chevron Chevron has markets in 29 states in the West, Southwest and
South, as well as in Alaska and Hawaii. ALL grades of Chevron with Techron
gasoline meet Top Tier Detergent Gasoline Standards.

• QuikTrip (not to be confused with Kwik Trip) QuikTrip operates
convenience stores and travel centers in a number of metropolitan areas:

• Tulsa, OK

• Springfield, MO

• Kansas City, MO and Kansas City, KS

• Wichita, KS

• Des Moines, IA

• Omaha, NE

• St. Louis, MO and St. Louis, IL

• Atlanta, GA

• Dallas-Ft. Worth, TX

• Phoenix, AZ

• Bartlesville, OK

• Miami, OK

• Vinita, OK

• Columbia, MO

• Conoco has over 4,000 stations located in 33 states.

• Phillips 66 has locations in 32 states across the nation.

• 76 has over 2,700 stations located throughout the country.

• Shell Shell Oil Products has a network of nearly 7,000 branded gasoline
stations in the Western United States. Shell Oil Company markets branded
products through more than 10,000 stations in the Eastern and Southern United
States.

• Entec Stations offer gasoline through stations located in the greater
Montgomery, Alabama area.

What is Top Tier Detergent Gasoline?
Top Tier Detergent Gasoline is a new class of gasoline with enhanced
detergency. It meets new, voluntary deposit control standards developed by
four automotive companies that exceed the detergent requirements imposed by
the EPA.

Where Can Top Tier Detergent Gasoline Be Purchased?
The Top Tier program began on May 3, 2004. Some fuel marketers have already
joined and have introduced Top Tier Detergent Gasoline. This is a voluntary
program and not all fuel marketers will offer this product. Once fuel
marketers make public announcements, they will appear on a list of brands that
meet the Top Tier standards.

Who developed Top Tier Detergent Gasoline standards?
Top Tier Detergent Gasoline standards were developed by four automotive
companies: BMW, General Motors, Honda and Toyota.

Why was Top Tier Detergent Gasoline developed?
Top Tier Detergent Gasoline was developed to increase the level of detergent
additive in gasoline. The EPA requires that all gasoline sold in the U.S.
contain a detergent additive. However, the requirement is minimal and in many
cases, is not sufficient to keep engines clean. In order to meet Top Tier
Detergent Gasoline standards, a higher level of detergent is needed than what
is required by the EPA. Also, Top Tier was developed to give fuel marketers
the opportunity to differentiate their product.

Why did the four automotive companies join together to develop Top Tier? All four corporations recognized the benefits to both the vehicle and the
consumer. Also, joining together emphasized that low detergency is an issue of
concern to several automotive companies.

What are the benefits of Top Tier Detergent Gasoline?
Top Tier Detergent Gasoline will help keep engines cleaner than gasoline
containing the "Lowest Additive Concentration" set by the EPA. Clean engines
help provide optimal fuel economy and performance and reduced emissions. Also,
use of Top Tier Detergent Gasoline will help reduce deposit related concerns.

Who should use Top Tier Detergent Gasoline?
All vehicles will benefit from using Top Tier Detergent Gasoline over gasoline
containing the "Lowest Additive Concentration" set by the EPA. Those vehicles
that have experienced deposit related concerns may especially benefit from use
of Top Tier Detergent Gasoline.

GM bulletins are intended for use by professional technicians, NOT a
"do-it-yourselfer". They are written to inform these technicians of
conditions that may occur on some vehicles, or to provide information that
could assist in the proper service of a vehicle. Properly trained technicians
have the equipment, tools, safety instructions, and know-how to do a job
properly and safely. If a condition is described, DO NOT assume that the
bulletin applies to your vehicle, or that your vehicle will have that
condition. See your GM dealer for information on whether your vehicle may
benefit from the information. WE SUPPORT VOLUNTARY TECHNICIAN CERTIFICATION
© Copyright


CD WON’T PLAY ABOVE A CERTAIN TRAC #

GM has released a TSB # 04-08-44-023 concerning this problem. It state this
is due to a software anomaly within the radio preventing further tracks from
being recognized.
Engineering is working to develop and validate a software fix for this
condition. Until such time as the software is available, use the following
procedure as a short- term fix.

2005 -- Corvette




1. Remove the Radio/S-Band/VICS 15-amp fuse from the I/P electrical center
(passenger side) for 30 seconds.
2. Reinstall fuse.
3. Advise the customer that the issue may return if they utilize another MP3
disc that contains less than 30 tracks/files. If an MP3 disc with more than 30
tracks/files is inserted into the CD player/changer, this will also resolve
the issue.

Rear Hatch Inoperative with Key (Reroute Cable) #05-08-66-001 - (Feb 1, 2005) Rear Hatch Inoperative With Key (Reroute Cable) 2005 Chevrolet Corvette (Coupe Only) Built Prior to VIN Breakpoint 55111710

Condition
Some customers may comment that the key will not unlock the hatch when using
the manual/key rear hatch unlock procedure.

Cause
This condition may be caused by the cable coming loose from the locking
mechanism.

Correction
Reroute the cable.
1. Remove the four plastic retaining hardware that holds the rear panel carpet
trim in place.
2. Remove the rear carpet trim.


3. Pull the additional cable into the vehicle through the rubber grommet and
provide an approximate 3 inch (76.2 mm) loop.
4. Reattach the cable to the lock mechanism.
5. Place a piece of duct tape over the cable loop to hold it tight against the
rear panel.
6. Install the rear carpet trim.
7. Install the four plastic retainers.

Warranty Information
For vehicles repaired under warranty, use:
Labor Operation Description Labor Time
C9723 Reposition Rear Hatch Release Cable 0.3 hr.

GM bulletins are intended for use by professional technicians, NOT a
"do-it-yourselfer". They are written to inform these technicians of
conditions that may occur on some vehicles, or to provide information that
could assist in the proper service of a vehicle. Properly trained technicians
have the equipment, tools, safety instructions, and know-how to do a job
properly and safely. If a condition is described, DO NOT assume that the
bulletin applies to your vehicle, or that your vehicle will have that
condition. See your GM dealer for information on whether your vehicle may
benefit from the information. WE SUPPORT VOLUNTARY TECHNICIAN CERTIFICATION
© Copyright General Motors Corporation. All Rights Reserved.

MORE INFORMATION TO COME!

THANKS BOB






Bob Wendorff
Parts Manager
Fichtner Chevrolet
406-628-4618
800-234-5284