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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3-4 Accumulator






1. Install 3-4 accumulator piston pin into case.

2. Install spring, then the piston oil seal ring. Retain oil seal with Transjel.






3. Install piston, then the check balls into case.








4. Install suitable guide pins, then the spacer plate to case gasket, marked C. Refer to image.

5. Install spacer plate, ten the spacer plate to valve body gasket, marked VB.





6. Install check balls onto spacer plate and gasket. Retain with Transjel.

7. Install control valve assembly. Ensure inside detent link and manual valve are positioned properly.

8. Install bolts, then torque to specifications.