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-   -   1988 Headlight Problems (https://www.corvetteforum.com/forums/c4-tech-performance/1128749-1988-headlight-problems.html)

buller1 07-04-2005 10:37 AM

1988 Headlight Problems
 
Hi: I know this is probably old hash for some of you, but I could use a bit of advice on the headlights on my 88 Anniversary. The headlights turn on and then start to turn over slowly and then stop and fall back. They are not turning enought to lock in place.

My question is, is this a relay related problem, a motor gear problem or a bushing problem. I do not want to guess, could someone shed some lite on a test or whatever that I can determine which parts are at fault. Thank you for your time and help and have a great 4th

Tony


:flag:

AGENT 86 07-04-2005 10:44 AM

This might shed some light
http://members.shaw.ca/dankai/Headlight%20Doors.pdf

65Z01 07-04-2005 12:10 PM

Good ref. on the electricals. :thumbs:

I think the problem is likely with the three nylon bushings in each motor's gear case. Try to open each headlight door using the manual knob on top of the motor. If it feels "mushy", replace the bushings with new sets from MAM.

rufneck 07-04-2005 06:32 PM

:iagree:

I just replaced the bushings in my 95 Friday. Difference is like Night/Day. Did both in one afternoon. Cheap and quick.. Ditto on MAM that's where I got mine from.

onedef92 07-05-2005 10:00 AM

I replaced mine with Home Depot bushings. (item no. 859609)

Cheaper tham MAM, plus no wait for shipping. Click the link here for installation insructions.

http://corvettefever.com/howto/33098/

Erniemoreira 03-10-2013 11:27 AM


Originally Posted by 65Z01 (Post 1551271506)
Good ref. on the electricals. :thumbs:

I think the problem is likely with the three nylon bushings in each motor's gear case. Try to open each headlight door using the manual knob on top of the motor. If it feels "mushy", replace the bushings with new sets from MAM.

I just purchased my first c4 a 1988 with 49.000ml on it and I am having the same issues with my head lights. I guess I'll start with the bushings?

leesvet 03-10-2013 11:44 AM

If you are sure the problem is NOT electrical...yes, bushings.

You realize this thread is 7-8 yrs old, right? 2005? Still good info here but I wouldn;t sit by the PC waiting for the OP to respond. ... !

Vins 03-10-2013 12:17 PM

Do it all
 
if you are going to change the bushings, change to gear while you are at it. Do it right the first time. Mid America has the motor gear to replace the plastic one that will eventually wear out. Open the motor case once. Good luck

Da Mail Man 02-09-2014 09:18 AM

Invalid bushing part number
 
....Sooner or later this was bound to happen.....ok, so it looks like i may need the bushings as sometimes (just happened first time yesterday) the lights will: A) pop up but, not retract or, B) not retract all the way or, C) go go down but not fully pop up...

...suspect that possible disintegrated material has gotten between the worm gear and circular gear causing problems...

...looked at bushing number posted in this thread and called local home depot and the number does not come up in their computers...

...does anyone have a "more valid number" or a cross reference number for bushing at LOWES?......Thanks again!

Da Mail Man 02-09-2014 03:11 PM


Originally Posted by Da Mail Man (Post 1586128618)
....Sooner or later this was bound to happen.....ok, so it looks like i may need the bushings as sometimes (just happened first time yesterday) the lights will: A) pop up but, not retract or, B) not retract all the way or, C) go go down but not fully pop up...

...suspect that possible disintegrated material has gotten between the worm gear and circular gear causing problems...

...looked at bushing number posted in this thread and called local home depot and the number does not come up in their computers...

...does anyone have a "more valid number" or a cross reference number for bushing at LOWES?......Thanks again!

****************************************

......Anyone?


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