Grand Cherokee 2WD V8-5.7L VIN 2 (2005)
Windshield Washer Hose: Description and Operation
Rear
The rear washer plumbing consists of small diameter rubber hoses and molded plastic in-line connector fittings. The rear washer reservoir hose (1) is
connected to the rear washer barbed outlet nipple of the windshield washer pump below the left front wheel house extension and routed up along the left
inner fender to the engine compartment. Just forward of the dash panel (3) in the engine compartment, an in-line connector with barbed nipples joins the
rear washer hose to the A-pillar hose (2).
The A-pillar hose (1) passes through a hole with a rubber grommet (2) in the dash panel (3) into the passenger compartment where it is attached to the
A-pillar (4) with two plastic push-pin type retainers (6). The A-pillar hose is then routed up the left A-pillar to the headliner. At the headliner, an in-line
connector joins the A-pillar hose to the headliner hose (5). The headliner hose is routed above the headliner and along the left roof side rail to the rear of
the vehicle. At the rear of the vehicle, the headliner hose is routed above the headliner and along the upper liftgate opening panel toward the right side of
the vehicle. The headliner hose then passes through a hole with a rubber grommet in the upper liftgate opening panel and through another hole with a
rubber grommet into the upper inner liftgate panel to the rear washer nozzle.
Washer hose is available for service only as roll stock, which must then be cut to length. The headliner washer hose is integral to the headliner and, if
faulty or damaged, the headliner unit must be replaced. The molded plastic washer hose fittings cannot be repaired. If these fittings are faulty or
damaged, they must be replaced.
Washer fluid in the washer reservoir is pressurized and fed by the windshield washer pump through the rear washer system plumbing and fittings to the
rear washer nozzle located on the center high-mounted stop lamp (CHMSL) on the top of the liftgate outer panel. Whenever routing the washer hose or a
wire harness containing a washer hose, it must be routed away from hot, sharp, or moving parts and, any sharp bends that might pinch the hose must be
avoided.
