Hummer H2. Manual — part 1413
15. Lower the vehicle.
16. Fill the cooling system/engine block. Refer to Draining and Filling Cooling System .
COOLANT HEATER CORD REPLACEMENT
Removal Procedure
Fig. 109: Engine Coolant Heater Cord Electrical Connector & Coolant Heater
Courtesy of GENERAL MOTORS CORP.
1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
2. Disconnect the coolant heater electrical connector (2).
2004 Hummer H2
2004 ENGINE Engine Cooling - Hummer H2
Fig. 110: Engine Coolant Heater Cord
Courtesy of GENERAL MOTORS CORP.
3. Remove the coolant heater cord retainer and bolts.
4. Remove the coolant heater cord.
Installation Procedure
NOTE:
The heater cord must not touch the engine, hot pipes, manifold, or any moving
parts. Route the cord to the left front of the engine compartment securing with
tie straps as necessary to prevent damage.
2004 Hummer H2
2004 ENGINE Engine Cooling - Hummer H2
Fig. 111: Engine Coolant Heater Cord
Courtesy of GENERAL MOTORS CORP.
1. Install the coolant heater cord.
2. Install the coolant heater cord bolts and retainer.
Tighten: Tighten the coolant heater cord bolts to 8 N.m (71 lb in).
NOTE:
Refer to Fastener Notice in Cautions and Notices.
2004 Hummer H2
2004 ENGINE Engine Cooling - Hummer H2
Fig. 112: Engine Coolant Heater Cord Electrical Connector & Coolant Heater
Courtesy of GENERAL MOTORS CORP.
3. Connect the coolant heater electrical connector (2).
4. Lower the vehicle.
DESCRIPTION AND OPERATION
COOLING SYSTEM DESCRIPTION AND OPERATION
Engine Coolant Indicators
ENGINE COOLANT HOT
2004 Hummer H2
2004 ENGINE Engine Cooling - Hummer H2
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