where is the thermostat located and how to change it
Jan 7, 2011 at 2:04 AM
thermostat
1998 BUICK SKYLARK
JARKMARVIS
- MEMBER
- 2 POSTS
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RASMATAZ
- ✓ASE Certified Mechanic
- 75,992 POSTS
REMOVAL PROCEDURE
Disconnect the negative battery cable.
CAUTION: Refer to Battery Disconnect Caution in Service Precautions.
Drain the coolant to a level below the thermostat. Recover the coolant. Refer to Draining and Filling Cooling System.
NOTICE: When adding coolant, use DEX-COOL (R) coolant. If silicated coolant is added to the system, premature engine, heater core or radiator corrosion may result. In addition, the engine coolant will require change sooner-at 50,000 km (30,000 mi) or 24 months.
Remove the air inlet to the throttle body. Refer to Throttle Body Assembly Replacement in Powertrain Management.
Disconnect the surge tank inlet pipe from the thermostat housing.
If the coolant outlet is being replaced, disconnect the radiator inlet hose from the coolant outlet.
Remove the 2 bolts from the coolant outlet.
Remove the coolant outlet.
Remove the thermostat.
Clean the mating surfaces.
Disconnect the negative battery cable.
CAUTION: Refer to Battery Disconnect Caution in Service Precautions.
Drain the coolant to a level below the thermostat. Recover the coolant. Refer to Draining and Filling Cooling System.
NOTICE: When adding coolant, use DEX-COOL (R) coolant. If silicated coolant is added to the system, premature engine, heater core or radiator corrosion may result. In addition, the engine coolant will require change sooner-at 50,000 km (30,000 mi) or 24 months.
Remove the air inlet to the throttle body. Refer to Throttle Body Assembly Replacement in Powertrain Management.
Disconnect the surge tank inlet pipe from the thermostat housing.
If the coolant outlet is being replaced, disconnect the radiator inlet hose from the coolant outlet.
Remove the 2 bolts from the coolant outlet.
Remove the coolant outlet.
Remove the thermostat.
Clean the mating surfaces.
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Jan 7, 2011 at 6:02 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.