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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Pressure Regulator Valve

1. Drain transmission fluid and remove oil pan and screen.

2. Push in on pressure regulator valve, compress valve spring with a small screwdriver.

3. Remove retaining ring, then slowly release spring tension.

4. Remove Drive 2 or T.V. boost valve and bushing, reverse boost plunger and bushing, spacer, then the pressure regulator spring and valve.