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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Brake Fluid Accumulator: Service and Repair


1. Discharge hydraulic accumulator by depressing brake pedal until it becomes difficult to operate (approximately 20 times).
2. Place a shop rag or towel around accumulator area to absorb any spilled fluid.
3. Remove accumulator, then discard O-ring.
4. Reverse procedure to install, noting the following:
a. Install New O-ring on accumulator, then install and torque accumulator to:

29.5-34 ft. lbs.

b. Turn ignition switch to On position, then wait until accumulator is charged to upper cut-out point and ABS warning light goes out.