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

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Control Pressure Test

CONTROL PRESSURE TEST

Line Pressure Tap Location:






1. Connect suitable pressure gauge to line pressure tap.

Line Pressure Specification Chart, (W/3.0L Engine):




Line Specification Chart, (W/3.8L Engine):






2. Start engine and note line pressures. If line pressure is not as specified in the Line Pressure Specification Chart, perform Air Pressure Tests and service main control system.