Hummer H1 Service Manual page 685

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10-58 Body
WINDSHIELD WASHER SYSTEM AND
COMPONENTS
Reservoir and Pump Assembly
Replacement
Removal
1. Drain reservoir.
2. Remove two screws and retaining bracket securing ABS
ECU enclosure. Set aside ECU with enclosure.
3. Disconnect pump connector from reservoir and pump
assembly (Figure 10-111).
4. Disconnect fluid level connector from fluid level sensor
assembly.
5. Remove four bolts, lockwashers, and reservoir assembly
from reservoir support assembly.
6. Disconnect windshield washer hose from reservoir and
pump assembly.
7. Inspect wellnuts for damage. Replace if damaged.
FLUID LEVEL
CONNECTOR
RESERVOIR
ASSEMBLY
Figure 10-111: Windshield Washer Fluid Reservoir
and Pump Replacement
PUMP CONNECTOR
WINDSHIELD
WASHER
HOSE
RESERVOIR
SUPPORT
ASSEMBLY
Installation
1. Connect windshield washer hose to reservoir and pump
assembly.
2. Secure reservoir assembly to reservoir support assembly
with four lockwashers and bolts. Tighten bolts to 8 lb-ft
(11 N•m) (Figure 10-111).
3. Connect fluid level connector to fluid level sensor
assembly.
4. Connect pump connector to pump assembly.
5. Secure ABS ECU enclosure with retaining bracket and
two screws.
6. Fill reservoir.
Windshield Washer Nozzle Replacement
Removal
1. Disconnect hose from nozzle (Figure 10-112).
2. Remove screw and nozzle from body.
Installation
1. Secure nozzle to body with screw.
2. Connect hose to nozzle.
Windshield Washer Hose Replacement
Removal
1. Remove two nuts, washers, screws, washers, and clamps
securing hose to body (Figure 10-113).
2. Remove two screws and retaining bracket securing ABS
ECU enclosure. Set aside ECU with enclosure.
3. Disconnect washer hose from pump and tee. Remove
clamps from hose.
4. Disconnect two hoses from tee and nozzles and remove
from clamps.
Installation
1. Slide two hoses through clamps and connect to tee and
nozzles.
2. Slide hose through clamps and connect to tee and pump.
3. Secure hose to body with two clamps, washers, screws,
washers, and nuts.
4. Secure ABS ECU enclosure with retaining bracket and
two screws.
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