Operation CHARM
: Car repair manuals for everyone.
Home
>>
GMC Truck
>>
2005
>>
Savana 2500 V8-4.8L VIN V
>>
Repair and Diagnosis
>>
Powertrain Management
>>
Tune-up and Engine Performance Checks
>>
Compression Check
>>
Specifications
Compression Check: Specifications
The minimum compression in any one cylinder should not be less than 70 percent of the highest cylinder. No cylinder should read less than 690 kPa (100 psi)