lemon-mirror
:
Home
>>
Buick
>>
2009
>>
Lucerne V8-4.6L
>>
Repair and Diagnosis
>>
Maintenance
>>
Tune-up and Engine Performance Checks
>>
Compression Check
>>
Specifications
Compression Check: Specifications
The lowest reading should not be less than 70 percent of the highest reading.
No cylinder reading should be less than 965 kPa (140 psi)