Grand Cherokee 2WD L6-4.0L VIN S (1997)
Wiper Arm: Description and Operation
SYSTEM OPERATION
All Grand Cherokee models have two 50.8-centimeter (20-inch) windshield wiper blades with replaceable rubber elements (squeegees). The rear
wiper uses a single 30.48-centimeter (12-inch) wiper blade with a replaceable rubber element (squeegee).
Caution should be exercised to protect the rubber squeegees from any petroleum-based cleaners or contaminants, which will rapidly deteriorate the
rubber. If the squeegees are damaged, worn, or contaminated, they must be replaced.
Wiper squeegees exposed to the elements for a long time tend to lose their wiping effectiveness. Periodic cleaning of the squeegees is suggested to
remove deposits of salt and road film. The wiper blades, arms, and windshield or rear glass should be cleaned with a sponge or cloth and
windshield washer solvent, a mild detergent, or a non-abrasive cleaner. If the squeegees continue to streak or smear, they should be replaced.
The blades are mounted to spring-loaded wiper arms. Spring tension of the wiper arms controls the pressure applied to the blades on the glass. The
windshield wiper arms are secured by an integral latch to the two wiper pivots on the cowl plenum cover/grille panel at the base of the windshield.
The rear wiper arm is secured by a nut under the wiper arm pivot-end cover directly to the rear wiper motor output shaft on the liftgate panel. The
wiper arms and blades cannot be adjusted or repaired. If faulty or damaged, they must be replaced.
