95 - 00 Chevrolet GMC Oldsmobile and Cadillac Utilities Washer Fluid Leaks from Rear Nozzle - kw wiper GMT330 GMT400

The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in the PI.

Washer fluid leaks from the rear wiper fluid nozzle with the tailgate in the down position or when the vehicle is parked on an incline.

There is no check valve in the washer fluid hose to the rear nozzle. Install a one way check valve in the hose to the rear washer fluid nozzle. The check valve part number is 22102237.

.

Please follow this diagnosis process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.

(95 - 00 GMC Jimmy) and (98 - 00 GMC Envoy) and (95 - 00 Chevrolet Blazer) and (96 - 00 Oldsmobile Bravada) and (95 - 99 Chevrolet Tahoe and Suburban) and (95 - 99 GMC Yukon and Suburban) and (99 Cadillac Escalade) and (99 GMC Denali)

.