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Old 05-17-2008, 07:36 AM   #1
MadTom
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Default Gatorback #4060798 or #4060802 ?

Hi all,

I want to replace the a/c belt and alternator belt by GY gatorback. I have read a lot of posts but Iím unsure which is the correct size of the alternator belt for my 1999 C5.
Also I wonder that there are contradictory statements in different application guides. Some advises #4060798 Gatorback Serpentine 79.875 in. length and others #4060802 Gatorback Serpentine 80.25 in. length for the 1999 C5 alternator belt.

The a/c belt is clearly # 4040420.

Is there really a difference in the belt drive in the different model years ?
Can anybody help and reach clarification ?


Thanks for help in advance

Tom
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Old 05-17-2008, 01:18 PM   #2
jrprich
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From Summit I ordered, but have not done the install yet

GTR-4060798
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Old 05-17-2008, 01:36 PM   #3
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That's a good question auto zone just sold me a 4060802 for my 2002 coupe hope it's right
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Old 05-17-2008, 02:24 PM   #4
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Well if someone figures it out, please post as i would rather not do it twice
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Old 05-17-2008, 02:33 PM   #5
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From the Goodyear Site

http://www.goodyearep.com/ProductsDetail.aspx?id=3128

Replacement Products for CHEVROLET CORVETTE - 1999 5.7L V 8 Eng

Poly-V Belts
Part No.

4040420 Poly-V, w/AC
4060798 Poly-V, Alt & PS
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Old 05-17-2008, 03:25 PM   #6
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Thanks , I have found the same information from GY before I started the thread:

http://www2.goodyearbeltsandhose.com...tCarSearch.jsp

But maybe here is anyone who installed this belt size on a 1999 and have practical experience .
Main reason is that I can't get this Gatorback belts in Europe and so I search for a affirmation before I will order the wrong size and won't do it twice
Maybe I will order preventively both belts .

Is there really a difference in the belt drive in the different model years?
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Old 05-17-2008, 04:52 PM   #7
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My GM parts manual lists the same # for '97-'01 Gen/PS as 12561501, and '97-'01 AC as 12559326.

These are GM #'s, but they use the same belt for these years. My manual only goes to '01, so I don't know if there were any changes for '02.

Also, I don't know if the export Vettes are different, but my manual doesn't list them as being different in this aspect.
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Old 05-17-2008, 05:11 PM   #8
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Thanks for research !

# 12561501 was superceded by # 12572188 and it's the same # for '97-'04 .

My Vette is an Europe modell but this makes no difference.

Last edited by MadTom; 05-17-2008 at 05:15 PM.
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Old 05-17-2008, 06:07 PM   #9
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From the Goodyear Site:

# 4060802 Gatorback Serpentine 80.25 in. length
For C5: '97, '98, '02, '03, '04


#4060798 Gatorback Serpentine 79.875 in. length
For C5: '99, '00, '01

puzzlingly




gatorback too short...?
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Old 05-22-2008, 08:46 AM   #10
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Is anybody there with practical knowledge which Gatorback Alt/PS belt size fits a C5 1999 ?

Thanks!

Tom
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Old 05-22-2008, 06:33 PM   #11
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Recall looking into the P/S Alt belt differences when I installed the Gatorbacks on my 98 in 2005. The 4060798 belt was only used from 99-01, the reason was either a different size pulley on either the P/S pump or the alternator. Interestingly they went back to the 4060802 belt in 2002.
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Last edited by MAC5; 05-22-2008 at 06:39 PM.
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Old 02-27-2012, 09:44 PM   #12
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It's a funny thing for guys with 1999 Vettes......we're like the Black Sheep, we don't get a straight reply...lol.....


I guess I'm just gonna get the 4060798... who knows...it "may" work
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Old 07-29-2012, 08:50 PM   #13
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Quote:
Originally Posted by Vette_Fan View Post
It's a funny thing for guys with 1999 Vettes......we're like the Black Sheep, we don't get a straight reply...lol.....


I guess I'm just gonna get the 4060798... who knows...it "may" work
Did the 4060798 belt fit on the 99? Just looking for some one with a 99 that says they were able to get this one on before I order. Thanks
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Old 07-29-2012, 09:56 PM   #14
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Goodyear 4060798 Gatorback Poly V-Belt is what I ordered and installed on my 1999 this past winter.
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Old 07-29-2012, 10:06 PM   #15
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I researched this many moons ago, so I'm pulling this out of deep memory. I seem to recall that some years had a 'clutch' in the alternator pulley - don't recall which years. Apparently the 'clutch' was to prevent the alternator from being oversped, but again I'm not sure. Anyway, the alternators that had this so-called clutch used the 802 belt and the alternators with no 'clutch' used the 798 belt. Sure hope someone can corroborate this for you.
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Old 07-30-2012, 08:10 AM   #16
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Here are the belts I use. The dimensions should be the same for other brands:
1) accessory drive belt - 13/16" x 80-3/8" (20mm x 2040mm) OC
Gates/CarQuest Micro-V AT p/n K060798 [$30.49/ea]
2) a/c compressor drive belt - 9/16" x 42-5/8" (14mm x 1084mm) OC
Gates/CarQuest Micro-V AT p/n K040420 [$19.39/ea]

My C5 is a 1999...
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Old 07-30-2012, 08:35 AM   #17
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Quote:
Originally Posted by Rocket1999 View Post
Did the 4060798 belt fit on the 99? Just looking for some one with a 99 that says they were able to get this one on before I order. Thanks
Just replaced mine last week, 4060798 from Amazon for my 99 Vert. Fits perfect and no more crickets in the engine compartment
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Old 03-23-2013, 10:44 AM   #18
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I just ordered the 4060802 for my 98 vert. Ive gone through 3 belts now. changed out the harmonic balancer, the tensioner and the tensioner for the AC plus the AC belt. still chirps. if this doesn't work, Im going to ramp the car off into a ravine. will post the results later.
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Old 03-23-2013, 11:51 AM   #19
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Quote:
Originally Posted by tonio76 View Post
Just replaced mine last week, 4060798 from Amazon for my 99 Vert. Fits perfect and no more crickets in the engine compartment

I replaced mine last year using #4060798 for my '99. Did a 3 week, 7250 mile road trip after replacing it with no issues.
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Old 03-23-2013, 12:03 PM   #20
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I pray that I can get the same results. For those still suffering, the only real temporary fix is to put baby powder on the belt every 200 miles or so. belt dressing doesn't work (and neither does wd40 like I read somewhere else). I read something about using comet cleanser and that it would use detergent like action to silence then clean the pulleys, but it didn't work for me. I use baby powder now because I can get a travel size bottle at the store for a buck and it fits in my console
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Old 03-23-2013, 12:03 PM
 
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