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89 - Lazy Headlight

T

tonjo

Guest
Okay, this is my first post... so please forgive me on my etiquette.

I have recently purchased (2 yrs ago) my first, C4 - 1989 convertible, it's been great.

My problem is with one of my headlights, it seems that as the weather get warmer the lazier my (R) headlight is, it's pops up and down great during cold/cool weather.

I'm really not sure if this is a call for a replacement part within or a need a new unit.

Your thoughts greatly appreciated !

TIA,
 

vigman

Motor head!!!!
Joined
Feb 13, 2001
Messages
3,471
Location
Valencia, CA,USA
Corvette
88 Convert ( SOLD ) /1973 coupe 4 speed/1964 Vert!
The Three Nylon Bushings

In the final drive gear there are 3 nylon bushings which act as a shock asorber when the motor locks one way or the other.The control circut is a current sensing device.

When the Nylon bushings age ( read turn into cane sugar ) they jam up the works causing one of 2 conditions.

1) The Coarse Grind

The headlight will start to flip then JAM the bucket motor & reverse rotation so you get the Spastic bucket effect.

2) The Fine grind
The headlight will flip SLOWLY or start but not complete the flip but the motor will continue to turn in the correct direction untill it times out.

Mike

BTW look in the Mid America catalog for a nice pix
 
T

tonjo

Guest
I think I understand...

I need to replace the bushings and I can find these in the Mid America catalog, is this a correct assumption ?
 

vigman

Motor head!!!!
Joined
Feb 13, 2001
Messages
3,471
Location
Valencia, CA,USA
Corvette
88 Convert ( SOLD ) /1973 coupe 4 speed/1964 Vert!
Ding ( Bonus round)

Yes, that's right you understand.....

Johnny tell him what he's won......


He 's won a phone call to Mid America Design

The Home for Corvettte entertainment all under one cover!!
1-800-500-8388

or shop online

www.madirect.com

Catalog 110 Page 107 Part #601-703 $4.99 for 3 ( you need 6 for both sides)



Mike
 

onedef92

Well-known member
Joined
Jun 12, 2004
Messages
214
Location
Louisville, KY
Corvette
1992 Dark Red Coupe
I'll lay odds its your bushings. Go to Home Depot and ask for item number 595609. You will need six of these nylon spacers to repair both headlights. They cost me .69 cents (plus tax) for a pack of three at my local Home Depot store.

Much cheaper than the $7.99 price in MAD, Eckler's and some of the other specialty catalogs and they are the exact same Delrin spacers. Go figure.

If there's a TechTips portal on this Forum search under "headlight bushings." If not, let me know and I'll see if I can get you a copy of the instructions I used when I replaced mine a couple of months ago.
 

tyrel

Well-known member
Joined
Sep 7, 2002
Messages
574
Location
Portland
These are classic symptoms of bushing failure. They are easily available at Mid America or Ecklers, $5.00 for each side, and you can do the repair yourself. The only oddball tool you need is a punch to punch out the retaining pin on the spindle.
 

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