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C5 Headlight door not opening

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Old Jun 30, 2018 | 05:39 PM
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Default C5 Headlight door not opening

Right Headlight is on but door won't open
Motor? Actuator?
suggestions?
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Old Jun 30, 2018 | 05:42 PM
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You are probably at this point...

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Old Jun 30, 2018 | 07:35 PM
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I had the same problem. As suggested above, try and turn the **** on the motor by hand just slightly and see if then it will go up the rest of the way electrically.
Mine had a bad gear. I replaced the gear, put everything back together, and all was good.

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Old Jun 30, 2018 | 09:31 PM
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Originally Posted by 8VETTE7
Will the headlight open after you turn the manual control **** slightly?

Could be the plastic gear is history or it could be a missing or damaged close bump stop:

https://cimg2.ibsrv.net/gimg/www.cor...80fd5629b7.jpg
Yes it did go up manually after turning the **** and then made bad sound when it went back down
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Old Jul 1, 2018 | 10:34 AM
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I have had that same problem 2X with the right headlamp. The first time I just replaced the nylon gear but the gearbox cracked open after several months of driving; evidently the epoxy didn't adhere enough. The second time I just ordered and replaced the headlamp gear assembly and have had no problems since. There are several videos on youtube.com on how to replace it yourself. If I can do it I am sure you can. Good Luck.
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Old Jul 1, 2018 | 11:18 AM
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Originally Posted by bartkowiakj
...replaced the nylon gear but the gearbox cracked open after several months of driving; evidently the epoxy didn't adhere enough...
To help prevent that there are kits that include a metal T brace.

Originally Posted by PapB
Yes it did go up manually after turning the **** and then made bad sound when it went back down
As mentioned above, it seems the plastic gear is the problem.

Here are some links to help you out: get a kit like this one (pay attention because there are 2 different kits: one for "97 to early 2000" and another for "late 2000 to 2004") and follow these step-by-step directions. You'll save money and they will last forever

You might need these as well (the rubber bump stops).

There is a TSB, that calls for shimming the driver's side motor. The parts needed for this are included in the above mentioned kit.
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Old Jul 5, 2018 | 09:53 AM
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Default Been there; done that!

I had the same problem with my ‘01 ‘vert several years ago. Right side only. I removed the motor assembly, and found half of the actuator gear to be stripped. Since the gear is toothed all the way around but only uses half of that, I was able to flip the gear to place the unused side in play and then reassembled the unit. Perfect to this day! Good luck!
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Old Jul 6, 2018 | 09:34 AM
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Originally Posted by GCG
To help prevent that there are kits that include a metal T brace.



As mentioned above, it seems the plastic gear is the problem.

Here are some links to help you out: get a kit like this one (pay attention because there are 2 different kits: one for "97 to early 2000" and another for "late 2000 to 2004") and follow these step-by-step directions. You'll save money and they will last forever

You might need these as well (the rubber bump stops).

There is a TSB, that calls for shimming the driver's side motor. The parts needed for this are included in the above mentioned kit.
Reply

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