Firebird V8-305 5.0L VIN E TBI (1989)
Wiper Switch: Customer Interest
Wiper Motor - Starts in High Speed Only
Bulletin Number:
90-8-33A
Reference Number:
108201R
Publish Date:
4/91
Subject:
WIPER MOTOR STARTS IN HIGH SPEED ONLY (REPLACE WITH SERVICE SWITCH)
Models Affected:
1989-1990 6000, BONNEVILLE, FIREBIRD AND GRAND PRIX MODELS
This bulletin cancels and replaces bulletin 90-8-33 issued 3/91. This bulletin is being revised to correct the part number. Please discard bulletin 90-8-33.
CONDITION:
Some vehicles may exhibit a condition of the wiper motor starting in the high speed only.
CAUSE:
Burrs on the internal motor park latch prevent the necessary movement of the latch for a normal low speed start.
Figure 1
CORRECTION:
Install Service Package # 22063283 Park Switch Assembly in the wiper motor as per the service manual. Apply grease to the latch slot per instructions
given in Figure 1.
Parts are currently available from GMSPO.
