Liberty 4WD V6-3.7L (2009)
Compression Check: Specifications
Compression
Compression Ratio ....................................................................................................................................................................................................... 9.6 : 1
Compression Pressure ......................................................................................................................................................... 1172 - 1551 kPa (170 - 225 psi)
Compression should not be less than 689 kPa (100 psi) and not vary more than 25 percent from cylinder to cylinder.