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PostPosted: Thu May 29, 2008 9:26 pm 
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Joined: Thu May 22, 2008 8:24 am
Posts: 1675
Location: The deep south of New Hampshire
Year and Trim: 2001 SSEi
As some folks might know. I've been having some problems with my passenger side mirror. My parallel park assist has never worked since I've owned the car. With some help from Archon and BillBoost I chased it down to a fault in the passenger side mirror. Special thanks to CFoote for the use of the Tech 2.

I scored a deal on a used silver mirror off E-Bay.....
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So I removed the door panel and attached the new mirror to the passenger side door module.
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The new/used mirror worked so that summed it up for the location of the problem. With the new mirror in hand I went to my workbench to swap out the guts. There are two obvious screws on the underside of the housing that need to come out however this isn't the place to start.
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Start by being a little forceful with the mirror glass. Despite the word glass, it's really very rugged. The mirror glass is glued to the backing plate. Note the two black wires on the left are for the heat grid on the back of the glass.
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The backing plate snaps onto the motor assy in 4 places. Two in the center and two on the adjusters. Circled in red
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With the backing plate removed it's easy to see how the motor assy is mounted. There are the two screws under the mirror (noted in the previous pic) and two more in at the top of the motor assy bracket.
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Remove the four screws and feed the wire out of the housing. All screws shown are T10.
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I swapped out the bracket and motor assy and fixed the problem. When reattaching the mirror to the assy you have to line up the four points and squeeze it together.

As a point of interest. I took the motor assy apart to see how it works. There are three screws that hold the assy to the bracket and two shorter screws that hold the assy together. You remove the screws and two clips.
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Here's the inside of the motor assy. Note the center shaft in the middle of the gear on the right. It's threaded.
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The two motors drive two worm gears. At the base of the gears there are two detents. If the motor overdrives the gear the detent will slip to prevent damage.
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When the motor turns, the worm gear turns. The detents then turn the center shaft. The adjuster has feet that ride up and down on the center shaft threads.
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This moves the adjuster in and out of the assy. One adjuster controls the left to right of the mirror, the other controls the up to down.

One last note, the mirror and the backing plate can be pulled out without removing the mirror from the door.

Any questions, lemme know!

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Formerly 95seand78z28
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2001 SSEi (L67Heaven) - Swooped, Pullied, Cleared, and Tinted -GONE!
2014 GMC Sierra SLT.


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PostPosted: Thu May 29, 2008 9:31 pm 
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Joined: Mon May 19, 2008 6:04 pm
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Location: Browerville, MN
Year and Trim: 2004 GXP - plus a handful of other Bonnevilles
nice write up!

when you say that the parallel park assist never worked, do you mean not even a little bit?

The problem myself and others have is that the mirrow goes down, but never makes it up. You have to manually adjust it back to the correct position. -> viewtopic.php?f=18&t=1112

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Andrew - owner/operator of Bonnevilles Unlimited
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2004 Bonneville GXP | 60k | White Gold Tricoat | custom built supercharged 3800 hot rod | garage queen
1997 Corvette | 55k | Silver Metallic | Z06 wheels | Date-night Hauler/Parts runner
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2002 Ram 1500 Quad Cab Sport | Black| 260k | Official Bonneville Hauler


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PostPosted: Thu May 29, 2008 9:36 pm 
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Joined: Thu May 22, 2008 8:24 am
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Location: The deep south of New Hampshire
Year and Trim: 2001 SSEi
I had the typical "the mirror goes down but doesn't return to home."

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Formerly 95seand78z28
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2001 SSEi (L67Heaven) - Swooped, Pullied, Cleared, and Tinted -GONE!
2014 GMC Sierra SLT.


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PostPosted: Fri May 30, 2008 1:28 pm 
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Joined: Thu May 29, 2008 9:53 am
Posts: 197
Location: Saint Charles, MO
Year and Trim: 2000 SSEi
Excellent post and pictures. I'm going to try cleaning my connections first and hope that's all it is, but now I have a great guide for how to swap mirror guts if it comes down to it. Thanks for sharing!

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PostPosted: Tue Jun 03, 2008 2:05 am 
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Joined: Thu May 22, 2008 1:02 am
Posts: 476
Location: Roy, Utah
Year and Trim: 2001 SE L36
thanks for the pics... now I know my motor assembly isnt broken. I had the glass and backer knocked out on the freeway.

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1999 Jeep Grand Cherokee Limited 4.7 V8 120k, WAAG Brush Guard, 2in Lift, SkyJacker Shocks, HD front driveshaft, Infinity Tweeters, 12" Memphis sub, Rockford Fosgate Punch amp
1994 Pontiac Grand Prix 3100 180k SOLD :(

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PostPosted: Mon May 26, 2014 5:01 pm 
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Joined: Mon Apr 07, 2014 10:35 pm
Posts: 6
Year and Trim: 2001 SSEi supercharged
i know this is an old post, i am wondering what contacts you clean?


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