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 Air Pressure Tests and service main control system.