Impala V8-5.3L VIN C (2006)
Compression Check: Specifications
No cylinder should read less than ............................................................................................................................................................. 690 kPa (100 psi)
With the engine running and the cylinder in DOD mode, the compression reading should be less than ................................................. 172 kPa (25 psi).
With the engine running and the cylinder NOT in DOD mode, the compression gage reading should increase quickly to greater than ........... 345 kPa (50
psi).