Sunday, January 17th, 2016 AT 5:29 AM
YULIANRG
- MEMBER
- 2004 GMC SAVANA
- 4.3L
- V6
- RWD
- AUTOMATIC
- 180,000 MILES
I have code P0134.
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How to replace thermostat.
5 Replies
WRENCHTECH
- MECHANIC
- 20,761 POSTS
What does a P0134 have to do with a thermostat?
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Sunday, January 17th, 2016 AT 6:22 AM
YULIANRG
- MEMBER
- 6 POSTS
Sorry P0128.
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Sunday, January 17th, 2016 AT 6:24 AM
WRENCHTECH
- MECHANIC
- 20,761 POSTS
No engine size listed
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Sunday, January 17th, 2016 AT 6:26 AM
YULIANRG
- MEMBER
- 6 POSTS
4.3 v6
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Sunday, January 17th, 2016 AT 6:27 AM
WRENCHTECH
- MECHANIC
- 20,761 POSTS
Thermostat Replacement (4.3L)
Removal Procedure
Remove the air cleaner and the duct assembly.
Partially drain the coolant.
Remove the coolant recovery reservoir.
Disconnect the radiator hose from the thermostat housing.
Remove the bolts attaching the thermostat housing to the thermostat.
Remove the thermostat housing.
Remove the thermostat.
Clean the gasket mating surfaces.
Installation Procedure
Notice: Refer to Coolant Addition Notice in Service Precautions.
Install the thermostat.
Install the thermostat housing to the intake manifold.
Notice: Refer to Fastener Notice in Service Precautions.
Install the bolts to the housing.
Tighten the bolts to 25 Nm (18 ft. lbs.) .
Connect the radiator hose to the thermostat housing.
Install the coolant recovery reservoir.
Install the air cleaner and the duct.
Refill the cooling system.
Bleed the air from the cooling system.
Inspect the thermostat housing and the gasket for coolant leaks.
Removal Procedure
Remove the air cleaner and the duct assembly.
Partially drain the coolant.
Remove the coolant recovery reservoir.
Disconnect the radiator hose from the thermostat housing.
Remove the bolts attaching the thermostat housing to the thermostat.
Remove the thermostat housing.
Remove the thermostat.
Clean the gasket mating surfaces.
Installation Procedure
Notice: Refer to Coolant Addition Notice in Service Precautions.
Install the thermostat.
Install the thermostat housing to the intake manifold.
Notice: Refer to Fastener Notice in Service Precautions.
Install the bolts to the housing.
Tighten the bolts to 25 Nm (18 ft. lbs.) .
Connect the radiator hose to the thermostat housing.
Install the coolant recovery reservoir.
Install the air cleaner and the duct.
Refill the cooling system.
Bleed the air from the cooling system.
Inspect the thermostat housing and the gasket for coolant leaks.
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Sunday, January 17th, 2016 AT 6:30 AM
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