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88 head light won't stay up by jhobbins
Started on: 10-02-2019 03:45 PM
Replies: 12 (169 views)
Last post by: fierobear on 10-09-2019 07:19 PM
jhobbins
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Report this Post10-02-2019 03:45 PM Click Here to See the Profile for jhobbinsSend a Private Message to jhobbinsEdit/Delete MessageReply w/QuoteDirect Link to This Post

Hey guys, I bought an 85 GT that has 88 headlights swapped in. The drivers side headlight will not stay up. It feels like spinning the knob does nothing past a certain point (about half way up). I scanned the headlight threads but did not see anyone with this issue. The lift arm does not have the clips, so I don't believe I can rebuild them. Is my only option to replace?

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fierobear
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Report this Post10-03-2019 12:48 AM Click Here to See the Profile for fierobearClick Here to Email fierobearSend a Private Message to fierobearEdit/Delete MessageReply w/QuoteDirect Link to This Post

The three plastic pucks are probably shot. It’s an easy fix. There must be a fix thread.

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theogre
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Report this Post10-03-2019 02:31 AM Click Here to See the Profile for theogreClick Here to visit theogre's HomePageSend a Private Message to theogreEdit/Delete MessageReply w/QuoteDirect Link to This Post

Get new motor(s)
See http://www.fiero.nl/forum/Forum2/HTML/143008.html

 
quote
Originally posted by fierobear:
The three plastic pucks are probably shot. It’s an easy fix. There must be a fix thread.
If true installing Delrin "pucks" then motors just breaks again sooner or later.
http://www.fiero.nl/forum/Forum2/HTML/128600.html

Fixing/rebuilding gen2 is easier then gen1 but Not as simple as most posts here and other sites claims including anyone selling Delrin pins or metal gear.

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Fiero Thomas
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Report this Post10-03-2019 12:46 PM Click Here to See the Profile for Fiero ThomasClick Here to visit Fiero Thomas's HomePageClick Here to Email Fiero ThomasSend a Private Message to Fiero ThomasEdit/Delete MessageReply w/QuoteDirect Link to This Post

Here is what you need.

https://www.ebay.com/itm/87...2:g:s8sAAOxyPLpRfKXu

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theogre
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Report this Post10-03-2019 04:59 PM Click Here to See the Profile for theogreClick Here to visit theogre's HomePageSend a Private Message to theogreEdit/Delete MessageReply w/QuoteDirect Link to This Post

 
quote
Originally posted by Fiero Thomas:
Here is what you need.

https://www.ebay.com/itm/87...2:g:s8sAAOxyPLpRfKXu
Nope. White pins are hard Nylon/Delrin and motor(s) break again w/ bad gear, output shaft or both. Is only a matter of Time and how poorly their installed and why some last years and others days to weeks.
Most slap the hard pins in and do little to nothing else and think is done. Suckers.

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jhobbins
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Report this Post10-03-2019 10:23 PM Click Here to See the Profile for jhobbinsSend a Private Message to jhobbinsEdit/Delete MessageReply w/QuoteDirect Link to This Post

I'll probably pick up motors, right now the ones in there don't work anyway. I'll still need to rebuild that arm though right?

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theogre
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Report this Post10-04-2019 12:12 AM Click Here to See the Profile for theogreClick Here to visit theogre's HomePageSend a Private Message to theogreEdit/Delete MessageReply w/QuoteDirect Link to This Post

link between output shaft and bucket usually works or not.
W/o a pic not sure why you think that part is bad.

Now if you mean the pivots have bad plastic bearings/bushing... Rivet pivots can't be fix easy. Need to find older w/ clips on the pivots.
CLICK FOR FULL SIZE

If you find old ones etc.
Most oil/grease attack the plastic and cause more problems.
So If you want to lube, clean all, spray metal parts w/ Dry Teflon.
If old ones already has oil then get new bushings soon.

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jhobbins
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Report this Post10-04-2019 09:26 AM Click Here to See the Profile for jhobbinsSend a Private Message to jhobbinsEdit/Delete MessageReply w/QuoteDirect Link to This Post

 
quote
Originally posted by theogre:

link between output shaft and bucket usually works or not.
W/o a pic not sure why you think that part is bad.

Now if you mean the pivots have bad plastic bearings/bushing... Rivet pivots can't be fix easy. Need to find older w/ clips on the pivots.
CLICK FOR FULL SIZE

If you find old ones etc.
Most oil/grease attack the plastic and cause more problems.
So If you want to lube, clean all, spray metal parts w/ Dry Teflon.
If old ones already has oil then get new bushings soon.


I can grab a picture on my lunch break. It feels loose, like it's not connected tight down below. I can freely move the headlight up and down, but it doesn;t stay up

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fierofool
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Report this Post10-04-2019 01:48 PM Click Here to See the Profile for fierofoolClick Here to visit fierofool's HomePageClick Here to Email fierofoolSend a Private Message to fierofoolEdit/Delete MessageReply w/QuoteDirect Link to This Post

That triangular piece shown in Ogre's picture will pivot. At certain points in the up and down travel of the assembly, you can lift the headlight by hand. You may not really have an issue with linkage.

That triangular piece of linkage also has to be positioned a certain way when reassembling in order to make the headlight fully extend and retract.

[This message has been edited by fierofool (edited 10-04-2019).]

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jhobbins
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Report this Post10-05-2019 09:11 PM Click Here to See the Profile for jhobbinsSend a Private Message to jhobbinsEdit/Delete MessageReply w/QuoteDirect Link to This Post

Seems like the bushings in the motor were just shot. I'm trying to replace them now but I'm having a hell of a time seperatig the motor from the arm. I don't have any clips in my arm, and the nut is off the part of the motor that connects to the arm but I can't get it seperated.

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88Fingers
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Report this Post10-06-2019 07:33 AM Click Here to See the Profile for 88FingersClick Here to Email 88FingersSend a Private Message to 88FingersEdit/Delete MessageReply w/QuoteDirect Link to This Post

Hello JHobbins, I have just gone through this in the past 3 days. '88 GT so I don't quite get why you can't get the link off the motor shaft. If the motor is loose on the 3 bolts and you give a shot of PB Blaster it should come off the flats pretty easy. When reassembling you must start with the light in the down position and the mount bolts loose but not off. Now orient the triangular piece with the long nose pointing up in line with the motor. Next rotate the motor knob to line up the flats with the link so it slips on. Now rotate the knob to get the light partway up enough so the arm clears the shaft threads so you can get the nut back on. Now tighten up your 3 motor mount bolts and you should be golden. Hope this helps and good luck!

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fierofool
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Report this Post10-06-2019 08:12 AM Click Here to See the Profile for fierofoolClick Here to visit fierofool's HomePageClick Here to Email fierofoolSend a Private Message to fierofoolEdit/Delete MessageReply w/QuoteDirect Link to This Post

To remove the small arm from the shaft, loosen the nut so that about half of it's threads are still in contact with the threads on the shaft. Using a pair of pliers or vice grips, grasp the arm. Holding the motor suspended by the arm, strike the nut straight on. The nut is to protect the threads of the shaft. Don't be tempted to pry between the arm and motor case. As you strike the nut, you will eventually see the gap between the arm and nut become smaller until the arm touches the nut again. You should then be able to remove the nut and work the shaft up and down to remove it.

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fierobear
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Report this Post10-09-2019 07:19 PM Click Here to See the Profile for fierobearClick Here to Email fierobearSend a Private Message to fierobearEdit/Delete MessageReply w/QuoteDirect Link to This Post

 
quote
Originally posted by theogre:

Get new motor(s)
See http://www.fiero.nl/forum/Forum2/HTML/143008.html

[QUOTE]Originally posted by fierobear:
The three plastic pucks are probably shot. It’s an easy fix. There must be a fix thread.
If true installing Delrin "pucks" then motors just breaks again sooner or later.
http://www.fiero.nl/forum/Forum2/HTML/128600.html

Fixing/rebuilding gen2 is easier then gen1 but Not as simple as most posts here and other sites claims including anyone selling Delrin pins or metal gear.

[/QUOTE]

Point taken, although I’ve rebuilt several of these and never had a subsequent motor or gear failure. My 88GT has 349,000 miles and I replaced the pucks some years ago.

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