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Wipers - Erratic Operation in Automatic Mode

File In Section: 8 - Chassis/Body Electrical

Bulletin No.: 73-82-10

Date: August, 1997

Subject:
Erratic or Overly Sensitive Wiper Operation in Automatic Mode
(Remove Air Bubbles/Replace Rain Sensor Module Optical Tape)

Model:
1997 Buick Park Avenue
(Rainsense Equipped Vehicles Only)

Condition

Some owners may comment on erratic automatic wiper operation or that the wipers are overly sensitive to small amounts of moisture on the windshield.

Cause





Condition may be due to air bubbles present between the inside surface of the windshield and the rain sensor module optical tape.

Correction








Remove the air bubbles from between the inside surface of the windshield and the rain sensor module optical tape or replace the optical tape (P/N 25645365). Perform the system diagnostics on Attachments 1 and 2 below.





ATTACHMENT 1





ATTACHMENT 2

Parts Information

P/N Description

25645365 Rain Sensor Repair Kit

Parts are currently available from GMSPO.

Warranty Information

For vehicles repaired under warranty, use:

Labor Operation Labor Time

N3572 Use published labor
operation time.