Cutlass L4-138 2.3L VIN A FI HP (1990)
Wiper Switch: All Technical Service Bulletins
Wiper Motor - Starts in the High Speed Only
NUMBER:
90-T-203
CORP.REF.NO: 108201R
DATE:
April 1991
SECTION:
8A, 8E
SUBJECT:
WIPER MOTOR STARTS IN HIGH SPEED ONLY REPLACE WITH SERVICE SWITCH
MODELS/YEARS:
1989-90 CUTLASS CIERA, CUTLASS SUPREME,
EIGHTY-EIGHT, NINETY-EIGHT, TORONADO
CONDITION:
Some of the above 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.
CORRECTION:
Install Park Switch Assembly P/N 22063283 (currently available from GMSPO) in the wiper motor as per the service manual. Apply grease to the latch
as shown in the illustration below.
