Headlight Prob
Thread Starter
Intermediate
Joined: Feb 2004
Posts: 38
Likes: 0
From: Dallas TX
Headlight Prob
Last night I heard a knock-knock-knock coming from the hood after I pulled into the garage. I figured it must be the horn problem I was having before coming back. I opened the hood and it wasn't the horn, but the passenger headhlight motor knocking and the the cap on the end turning 1/4 turn each time.
I turned on the headlights and they rotated open fine, but when I went to turn it off, they started really slow and the knocking sound was back. So I left them open and disconnected the wires to each. Right now I'm running with the lights rotated open and would like to know exactly what the cause is before I go off ordering $5,000 worth of parts just to find out it's only something minor. I know the previous versions had problems with gears. So...what could it be my C4 Friends? :conehead
I turned on the headlights and they rotated open fine, but when I went to turn it off, they started really slow and the knocking sound was back. So I left them open and disconnected the wires to each. Right now I'm running with the lights rotated open and would like to know exactly what the cause is before I go off ordering $5,000 worth of parts just to find out it's only something minor. I know the previous versions had problems with gears. So...what could it be my C4 Friends? :conehead
Le Mans Master
Joined: Feb 2000
Posts: 9,715
Likes: 27
From: Kempner Texas
Re: Headlight Prob (Pappa_Bear)
There's another headlight problem post that you should take a look at. It's on the first page of this board. http://forums.corvetteforum.com/zerothread?id=829001
Also, the 'TOOLS' "Tech Tips" section on this Forum has lots of info that can probably point you in the right direction.
Jake
[Modified by JAKE, 1:25 PM 5/27/2004]
Also, the 'TOOLS' "Tech Tips" section on this Forum has lots of info that can probably point you in the right direction.
Jake
[Modified by JAKE, 1:25 PM 5/27/2004]
Intermediate
Joined: Apr 2003
Posts: 35
Likes: 0
From: Crestview FL
Re: Headlight Prob (JAKE)
Pappa bear
You have three delrin bushings inside the headlight motor gearbox that have become powder. Fairly cheap from Eckler's but your in for about 2 hours of work for each headlight. Might as well do both while your at it. The second one will be easier than the first. There is a lot of info on how to change the bushings. After having done several of these my first advise is to use a scribe to mark the mounting points of the head light assembly before removing it to the bench. Makes realignment a snap. :cheers:
http://www.ecklers.com/product.asp?p...MAGH9UFD9N2W9D
You have three delrin bushings inside the headlight motor gearbox that have become powder. Fairly cheap from Eckler's but your in for about 2 hours of work for each headlight. Might as well do both while your at it. The second one will be easier than the first. There is a lot of info on how to change the bushings. After having done several of these my first advise is to use a scribe to mark the mounting points of the head light assembly before removing it to the bench. Makes realignment a snap. :cheers:
http://www.ecklers.com/product.asp?p...MAGH9UFD9N2W9D
Le Mans Master
Joined: May 2003
Posts: 5,362
Likes: 3
From: Delray Beach FL
Re: Headlight Prob (cutchy)
Pappa bear
You have three delrin bushings inside the headlight motor gearbox that have become powder. Fairly cheap from Eckler's but your in for about 2 hours of work for each headlight. Might as well do both while your at it. The second one will be easier than the first. There is a lot of info on how to change the bushings. After having done several of these my first advise is to use a scribe to mark the mounting points of the head light assembly before removing it to the bench. Makes realignment a snap. :cheers:
http://www.ecklers.com/product.asp?p...MAGH9UFD9N2W9D
You have three delrin bushings inside the headlight motor gearbox that have become powder. Fairly cheap from Eckler's but your in for about 2 hours of work for each headlight. Might as well do both while your at it. The second one will be easier than the first. There is a lot of info on how to change the bushings. After having done several of these my first advise is to use a scribe to mark the mounting points of the head light assembly before removing it to the bench. Makes realignment a snap. :cheers:
http://www.ecklers.com/product.asp?p...MAGH9UFD9N2W9D
Definitely a bushing problem! Both of my lights did the same thing. I upgraded my plastic gear to the brass gear. It is a pain sometimes to get the plastic gear out without damaging it to get the bushings in. You may want to look at getting at least an extra plastic gear ($25 at Ecklers) just in case you have to dig into one of the gears to pry it out.
:cheers:
