Operation CHARM: Car repair manuals for everyone.
Home >> Chevrolet >> 1989 >> Corvette V8-350 5.7L >> Repair and Diagnosis >> Heating and Air Conditioning >> Control Assembly >> Service and Repair >> With Manual A/C
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

With Manual A/C

Control Assembly Vacuum Line Routing:






REMOVE
1. Negative battery cable.
2. Instrument panel accessory trim plate.
3. Screws securing console trim plate and reposition trim plate for access.
4. Control head assembly.

a. Remove four screws.
b. Carefully rotate control head for temperature cable access and remove cable.
c. Disconnect electrical connectors.
d. Disconnect vacuum harness.

INSTALL
1. Control head assembly.

a. Connect vacuum harness.
b. Connect electrical connectors.
c. Temperature cable.
d. Install four screws. Tighten Control head screws to 1.9 Nm (17 in lb).

2. Console trim plate.
3. Instrument panel accessory trim plate.
4. Negative battery cable.
pro multis · About Operation CHARM