Question about 2003 Chevrolet Impala

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Windshield wipers not parking

My 2003 Impala wipers park in the far left position, instead of down next to the cowl where they are supposed to. I recently turned the engine off while they were part way through a cycle. When I started the car next time, they started again but when I manually turned them off, they started to park and then went all the way to the left of the windshield and stopped. Everything else works on them, including the delay, but they always park in the far left position. I even tried pulling the fuse and reinserting it, but no good. Any clues?

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  • mtp86 Feb 25, 2009

    my 2003 impala the wipers park to the far left but work fine on delay . I have change the pulse board and the shafts are fine otherwise they would not work in delay correct.What could cause this?

  • tycorp16 Mar 02, 2009

    I have not had time to try any of these solutions, the weather here in Ohio is acting like Winter. When I get a nice day, I think I shall try them. And I was told that the pall is not inside the motor.

  • mtp86 May 11, 2010

    my problem started in the fall before it was cold .Is the park tab internal will I have to get a new motor.

  • Kevin P Jun 29, 2013

    Question for Steve. I am trying to do the same thing on my 02 Buick Century. How did you bend the arm back in shape? I tried to use a wooden dowel and a hammer. In spite of what most fixits say about the arm, it is anything but a weak piece of metal.

  • Anonymous Mar 25, 2014

    200 eclipse

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The problem could be a bent parking pall bracket. This is usually caused when you wipe snow from windshield using the wipers instead of brushing off. You need to remove both wipers and the cover from the drivers side. Remove the cover over the wiper motor assembly (held by a plastic button). On the right side of the wiper mechanism is a small tab (part of the wiper bracket). This tab needs to be straight for the wiper park pall to rest against.Carefully hammer this tab straight (or you may have to replace bracket, big job) Then cycle the wiper and you will see the assembly return to park position. Re-install all parts in reverse order.
Hope this works for you.

Posted on Feb 28, 2009

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  • 8001 Mar 08, 2009

    If your wipers are operating correctly with the exception of parking when they are off, than you will not have to get a new motor. If you are concerned about this fix, explain the repair to your mechanic who will be able to do the repair. The majority of this problem deals with the wiper mounting bracket and unless the metal tab is broken off, straighening could be the solution. Note, it doesn't have to be cold for this to happen. It is the faulty design (my opinion) of the park tab that is the issue.

  • 8001 Mar 08, 2009

    Clarification: The parking pall is not part of the wiper motor. It is part of the wiper arm mechanism. The wiper pall tab is part of the wiper motor mounting bracket.

  • steve_mackli
    steve_mackli Feb 16, 2013

    thank you - this was exactly my proiblem on 2001 Montana. disassemble the plate assembly and then bent the tab back straight on the frame. Same time in WD40 the little metal spring loaded pawl and put it back together -- works perfect. 30 minutes on Google and 15 minutes under the hood --- very easy when I knew whst I was looking for

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Windshield wiper arms are about to loose shaft teeth. Each arm is holded by a 1/2 " nut. Loose it and take them out. Check for damages, usually on the windshield wiper arms, the shaft is designed to last longer. When replace the arms, make sure to instal it on the right off position. I had similar problem before and this solved the problem.

Posted on Feb 14, 2009

1 Suggested Answer

SOURCE: When I turn on the windshield wipers they travel too far.

The wipers are not installed correctly. Remove and reposition the wiper arms ,so they do not hit the side of the outside window pillar,when set to high speed.

Posted on Apr 28, 2010

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Hey Derek , here is how the wipers park position is suppose to work !
Windshield wiper motor park operation is controlled by the body control module (BCM) using an input from the park switch within the wiper motor assembly. The BCM monitors the windshield wiper motor park switch circuit to determine if the windshield wiper blades are at the bottom of the glass. The circuit will be pulled to ground by the wiper motor park switch while the windshield wiper motor is operating. When the wiper switch is turned to the OFF position while the wiper motor is somewhere in mid-cycle, the BCM will continue to operate the motor until the wipers reach the park position. If the ignition is turned OFF while the wipers are in mid-cycle, the wipers will stop immediately where they are. The BCM will park the wipers the next time the ignition is turned ON.
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SECTION 501-16: Wipers and Washers 2007 Freestar/Monterey Workshop Manual REMOVAL AND INSTALLATION Procedure revision date: 04/27/2006
Wiper Motor — Windshield s7w~us~en~file=adobe.gif~gen~ref.gif Printable View (104 KB) Removal
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    s7w~us~en~file=n0001518.gif~gen~ref.gif
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4 Answers

My driver side windshield wiper was frozen to the windshield. I forgot to shut them off when I went to work. When I came out and was brushing off the snow I realized that they were not off. Then the driver...


I just solved this problem last night with my '05 Impala, and ultimately the solution was what newton5083 stated above.  Yet, it may also be this (I found it online somewhere):
You have bent or broken the "park tab" on the windshield wiper motor bracket. The correct way to fix this is to remove the wiper arms, wiper linkage and wiper motor from the wiper motor bracket, and install a new bracket.
I just bent the tab back into place a couple times for our daughters 2005 Impala but it kept getting bent down again when they didn't take the time to make sure the wipers were not frozen to the windshield, or tried running the wipers to remove heavy snow on the windshield. So yesterday I fabricated a small piece of metal and bolted that to the bracket in the same place the tab stop was.
If someone wants to access this bracket and tab-
1. Use a ½ inch or 13mm socket & ratchet or wrench to remove nuts on wiper arms.
2. They may make a special tool to remove the arms, I used a screwdriver and hammer to tap bottom of the arm to wedge them apart from the spindle.
3. Two small button-looking clips hold the drivers side cowl cover in place under the windshield. These are two-piece clips, pry up the center, than the outer piece.
4. Unclip the washer hose from cowl cover, than pull out plastic cover.
5. There is a smaller plastic cover with on plastic button head holding that cover in place. Gently pry under that clip to remove that cover.
6. Now you can see the wiper trans and bracket. You should see a small tab on that bracket that looks pushed down and bent or possible a square small hole with some torn off metal where the tab broke off.
7. Remove small plastic cover over the wiper transmission and you can see a small spring-loaded arm underneath the wiper transmission assembly.
8. You need to find something to pry that tab back up so when the wipers are running that spring loaded little arm just snaps past the tab running clockwise. It's when you shut off the wipers that the wiper transmission assembly reverses rotation counter clockwise and the small spring loaded arm underneath hits that tab stop, than the wipers will go all the way down and shut off as they should.
Once that tab stop gets bent out of the way the little spring loaded arm has nothing to stop the wiper transmission assembly so it keeps traveling counter clockwise until some other stop shuts the wipers off straight up on the windshield.

There is a revised bracket part # which is supposed to be more durable, GM part #12368639. Here is a copy of the TSB which points out this problem:
Bulletin No.: 05-08-43-003A
Date: March 10, 2005
TECHNICAL
Subject:
Windshield Wipers Park in Up Position (Replace Windshield Wiper Motor Bracket)
Models:
2005 Chevrolet Impala, Monte Carlo
Supercede:
This bulletin is being revised to make a correction to the Parts Information. Please discard Corporate Bulletin Number 05-08-43-003 (Section 08-Body and Accessories).

Condition
Some customers may comment that the windshield wipers park in the out wipe (vertical) position.
Cause
This condition may be caused by a bent park tab on the windshield wiper motor bracket.

Correction
To correct this condition, replace the wiper motor bracket. It will be necessary to transfer the following parts listed below to the new bracket.
^ Wiper transmission
^ Wiper motor crank arm
^ Wiper motor
1. Remove the windshield wiper motor drive system module.
2. Remove the windshield wiper transmission from the windshield wiper motor bracket.
3. Remove the wiper motor crank arm from the windshield wiper motor.
4. Remove the windshield wiper motor from the bracket.
5. Install the windshield wiper motor to the new bracket.
6. Install the wiper motor crank arm to the windshield wiper motor.
7. Install the windshield wiper transmission to the windshield wiper motor bracket.
8. Install the windshield wiper motor drive system module.

A TSB is not a recall, if vehicle is still under warranty the dealer should be repaired for free. If not, you'll have to pay for the repairs. 

Dec 10, 2008 | 2005 Chevrolet Impala

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