Operation CHARM
: Car repair manuals for everyone.
Home
>>
Buick
>>
2010
>>
Lucerne V6-3.9L
>>
Repair and Diagnosis
>>
Powertrain Management
>>
Tune-up and Engine Performance Checks
>>
Idle Speed
>>
Specifications
Idle Speed: Specifications
The thermostat should begin to open at
87°C (188°F)
The thermostat should be fully open at
97°C (206°F)