1999 Oldsmobile Alero Step By Instructions On Replace Thermostat Possible
1999 OLDSMOBILE ALERO
122,763 MILES
SLIMROBINSON
MEMBER
2 POSTS
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I need step by step instructions on how to replace a thermostat and if possible give me details on how to do it.
Jan 17, 2013 at 5:51 PM
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JDL
CAR REPAIR CONTRIBUTOR
16,098 POSTS
Disconnect negative battery cable.
Drain and recover the coolant.
Remove the air cleaner assembly.
Remove the surge tank line from coolant outlet.
Remove the coolant outlet to the inlet manifold attaching bolts.
Remove ther coolant outlet.
Remove the thermostat.
Clean the inlet manifold mating surfaces.
Clean the coolant outlet mating surfaces.
This info is for v6 3.4L engine.
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Sep 21, 2020 at 10:18 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.