Operation CHARM: Car repair manuals for everyone.
Home >> Pontiac >> 1990 >> Grand AM L4-151 2.5L >> Repair and Diagnosis >> Heating and Air Conditioning >> Control Assembly >> Service and Repair >> Without Air Conditioning
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

Without Air Conditioning

Heater Control Assembly:




REMOVE OR DISCONNECT
1. Negative battery cable.
2. Instrument Panel trim plate.
3. Control assembly retaining screws and pull control assembly away from the instrument panel.
4. Electrical and vacuum connections.
5. Temperature control cable from heater control.

INSTALL OR CONNECT
1. Temperature control cable to heater control.
2. Electrical and vacuum connections.
3. Control assembly and retaining screws to instrument panel.
4. Instrument Panel trim plate.
5. Negative battery cable.
pro multis · About Operation CHARM