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)

Or, hide this message: temporarily or permanently

Valve Block Assembly


Fig. 96 Removing Valve Block Assembly:






1. Disconnect battery ground cable.
2. Depressurize accumulator, refer to MAINTENANCE PROCEDURE/DEPRESSURIZING HYDRAULIC ACCUMULATOR procedure.
3. Remove hydraulic unit, then the three nuts and washers from valve block as shown in Fig. 96.
4. Remove valve block assembly and O-rings by sliding valve block off studs.
5. Reverse procedure to install. Reactivate Delco-Loc radios by turning ignition and radio to the On position, then pressing the Mute button on the steering wheel control.