One headlight goes up faster than the other
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Joined: May 2010
Posts: 445
Likes: 4
From: Houston, TX
Car: '89 Trans Am
Engine: 305 TPI
Transmission: 700 R4
Axle/Gears: 3.42
One headlight goes up faster than the other
I noticed today that my right headlight is starting to go up a little slower than the left one, but they go down completely in sync. Both motors were replaced three years ago. I'm hoping nothing serious is wrong.
Would lubrication solve it? If so, I assume WD-40 would be the way to go. Where should I apply it?
If I can't get away with it that easily, are there separate gears for raising and lowering the headlights?
If you can't tell, I'm a bit of a noob, so you'll have to talk to me like I'm a six year old.
Thank you!
Would lubrication solve it? If so, I assume WD-40 would be the way to go. Where should I apply it?
If I can't get away with it that easily, are there separate gears for raising and lowering the headlights?
If you can't tell, I'm a bit of a noob, so you'll have to talk to me like I'm a six year old.
Thank you!
Joined: Jun 2012
Posts: 114
Likes: 0
From: Howard County, MD
Car: 1987 Trans Am GTA
Engine: Warmed over 350 TPI
Transmission: 700r4 soon to be t56
Re: One headlight goes up faster than the other
If you use them a lot, you may need a rebuild kit. Were they new or remanufactured?
Last edited by transaero; Oct 22, 2014 at 12:25 PM.
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Joined: Apr 2007
Posts: 1,592
Likes: 18
From: Syracuse NY
Car: 84 Z-28
Engine: 305 HO
Transmission: r-700
Axle/Gears: 3:73
Re: One headlight goes up faster than the other
You prob. have bad bushings or the motor gear is stripped.
topdownsolutions has rebuild kits and parts you may need
http://www.top-downsolutions.com/Bod...-firebirdfiero
topdownsolutions has rebuild kits and parts you may need
http://www.top-downsolutions.com/Bod...-firebirdfiero
Thread Starter
Member

Joined: May 2010
Posts: 445
Likes: 4
From: Houston, TX
Car: '89 Trans Am
Engine: 305 TPI
Transmission: 700 R4
Axle/Gears: 3.42
Re: One headlight goes up faster than the other
It's weird though … if I were losing bushings or a gear, wouldn't the right one go down more slowly than the left one instead of in sync with it?
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Joined: Jun 2014
Posts: 360
Likes: 3
From: South Jersey
Car: 88 GTA Notch/01'WS-6 VERT
Engine: 5.0 LB-9/5.7 LS-1
Transmission: 700R-4/4L60
Axle/Gears: borg warner 3.27's
Re: One headlight goes up faster than the other
I have the same issue with OEM motors although one is original that came with the car and other is out of an 88' with thinking of swapping out the pair with another set I have but in my opinion i'd think the slower one is going bad sooner then later.
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Thread Starter
Member

Joined: May 2010
Posts: 445
Likes: 4
From: Houston, TX
Car: '89 Trans Am
Engine: 305 TPI
Transmission: 700 R4
Axle/Gears: 3.42
Re: One headlight goes up faster than the other
I agree with you, although I'm trying to avoid the inevitable! LOL
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