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 spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Compression Check




Compression Pressure

Engine speed of 200 r/min), Coolant temperature: 80 - 95°C (176 - 203°F)

Standard Value 1,560 kPa (226 psi)
Minimum Limit 1,130 kPa (164 psi)

Measure the compression pressure for all the cylinders, and check that the pressure differences of the cylinders are below the limit.

Limit 98 kPa (14 psi)