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impala(electrical quirks)
04-11-2007, 11:36 AM
Post: #1
impala(electrical quirks)
I have a 2001 chevrolet impala that seems to have a ghost living in it. I bought the car with 30k on it and now have 103k on it. The car has been absolutely trouble free except for acouple of electrcal glitches that started at about 80k. The worst one is that the wipers will occasionally stop in the up position. Eventually they correct themselves on their own, but i have to wait it out. Next, the rearveiw mirror has a glare adjustment on it. Lately, every time the car is started,it is set on the night setting (dark) and has to be reset to the normal setting every time. They are working the exact opposite as they should. This stuff doesnt bother me, but it drives my wife nuts. Im sure its a ground, but cant figure out which one, if any at all, it could be. Any imput would be greatly appreciated.

patcar
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04-11-2007, 07:16 PM (This post was last modified: 04-11-2007 07:17 PM by CaryJoeYork.)
Post: #2
RE: impala(electrical quirks)
There is a TSB for the wiper problem. I am still checking on the rearview mirror.

File In Section: 08 - Body and Accessories

Bulletin No.: 02-08-43-002

Date: May, 2002

TECHNICAL

Subject:
Windshield Wipers Park In Outwipe Position
(Install Wiper Motor Crank Arm and Wiper Motor Bracket Service Kit)

Models:
2002 Buick Century, Regal
2002 Chevrolet Impala, Monte Carlo
2002 Oldsmobile Intrigue
2002 Pontiac Grand Prix

Condition

Some customers may comment that the windshield wipers park in the outwipe (vertical) position.

Cause

This condition may be caused by a bent park tab on the windshield wiper motor bracket.

Correction

To correct this condition, install a new windshield wiper motor crank arm and a windshield wiper motor bracket service kit. Use the following service procedure:

1. Remove the windshield wiper motor drive system module. Inspect the park tab on the wiper motor bracket. It may be bent as shown in the illustration above. Refer to the Wiper Drive System Module Replacement procedure in the Wipers/Washer Systems sub-section of the Service Manual (SI Document ID # 818798).

2. Remove the windshield wiper transmission from the windshield wiper motor bracket. Refer to the Wiper Transmission Replacement procedure in the Wipers/Washer Systems sub-section of the Service Manual (SI Document ID # 818797).

3. Remove the windshield wiper motor crank arm from the windshield wiper motor. Refer to the Wiper Motor Crank Arm Replacement procedure in the Wipers/Washer Systems sub-section of the Service Manual (SI Document ID # 818984).

4. Remove the windshield wiper motor from the windshield wiper motor bracket. Refer to the Wiper Motor Replacement procedure in the Wipers/Washer Systems sub-section of the Service Manual (SI Document ID # 818796).


5. Reassemble the windshield wiper motor drive system using a new windshield wiper motor crank arm, P/N 12494832 and the contents of the windshield wiper motor bracket service kit, P/N 88958149 (in Canada, P/N 88958260). The park tab on the new wiper motor bracket should be straight as shown in the illustration shown above.

6. Reinstall the windshield wiper motor transmission onto the new windshield wiper motor bracket. Refer to the Wiper Transmission Replacement procedure in the Wipers/Washer Systems sub-section of the Service Manual (SI Document ID # 818797).

7. Reinstall the windshield wiper motor onto the windshield wiper motor bracket. Refer to the Wiper Motor Replacement procedure in the Wipers/Washer Systems sub-section of the Service Manual (SI Document ID # 818796). Refer to the instruction sheet in the service kit for the proper installation of the flat washer onto the windshield wiper motor bracket. It must be seated against the park tab on the windshield wiper motor bracket.

8. Reinstall the windshield wiper motor crank arm onto the windshield wiper motor. Refer to the Wiper Motor Crank Arm Replacement procedure in the Wipers/Washer Systems sub-section of the Service Manual (SI Document ID # 818984).

9. Reinstall the windshield wiper drive system module into the vehicle. Refer to the Wiper Drive System Module Replacement procedure in the Wipers/Washer sub-section of the Service Manual (SI Document ID # 818798).

10. Test the operation of the windshield wipers and washer.


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Cary Joe York
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04-16-2007, 11:00 AM
Post: #3
RE: impala(electrical quirks)
After further checking, the only thing I can suggest on the mirror is to replace the mirror assm.

Cary Joe York
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04-23-2007, 12:01 PM
Post: #4
RE: impala(electrical quirks)
thanks for the info...especiallythe diagram...this must be a common problem with the wipers. I have noticed a couple with the same thing lately.

patcar
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