Hummer H3. Manual — part 463

Tighten: Tighten the thermostat housing bolts to 10 N.m (89 lb in).

HEATER INLET PIPE INSTALLATION

Fig. 668: View Of Heater Inlet Pipe
Courtesy of GENERAL MOTORS CORP.

1. Install the heater inlet pipe.

NOTE:

Refer to FASTENER NOTICE .

2007 Hummer H3

2007 ENGINE Engine Mechanical - 3.7L - H3

2. Install the heater inlet pipe bolt.

Tighten: Tighten the heater inlet pipe bolt to 10 N.m (89 lb in).

HEATER OUTLET HOSE FITTING INSTALLATION

Fig. 669: View Of Heater Outlet Hose Fitting
Courtesy of GENERAL MOTORS CORP.

1. Apply sealant GM P/N 12346004 (Canadian P/N 10953480) or equivalent to the heater

2007 Hummer H3

2007 ENGINE Engine Mechanical - 3.7L - H3

outlet hose fitting threads.

2. Install the heater outlet hose fitting.

Tighten: Tighten the heater outlet hose fitting to 45 N.m (33 lb ft).

WATER OUTLET INSTALLATION

NOTE:

Refer to FASTENER NOTICE .

2007 Hummer H3

2007 ENGINE Engine Mechanical - 3.7L - H3

Fig. 670: View Of Water Outlet
Courtesy of GENERAL MOTORS CORP.

1. Install the water outlet.

NOTE:

Refer to FASTENER NOTICE .

2007 Hummer H3

2007 ENGINE Engine Mechanical - 3.7L - H3