Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the logical successor to CHARM, I recommend you try it!

Link: lemon-manuals.la

Compression Check: Specifications




Engine Compression
Nominal 1,700 kPa (242 psi)
Minimum 950 kPa (135 psi)
Maximum Variation 200 kPa (28 psi)