How do I replace the heater core on my truck?
Jan 2, 2013 at 10:12 PM
1992 Ford F 150 Replace Heater Core On Truck
1992 FORD F-150
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-Remove 7 screws attaching heater access cover to plenum. Disconnect vacuum source. Leave vacuum harness attached to cover. Remove cover. Remove heater core from plenum. To install, reverse removal procedure.
PLENUM ASSEMBLY
Loosen instrument panel attaching screws and move instrument panel back to access plenum. Disconnect and plug heater hoses from heater core. Remove glove box. Remove floor air distribution duct from plenum assembly. Remove 2 nuts retaining left end of plenum assembly to instrument panel.
Disconnect temperature control cable and vacuum hose connections from control panel assembly. See Fig. 2. Disconnect source vacuum block, which is secured to right heater core cover. Pull heater case forward to disengage 3 case studs from dash panel. Lower plenum assembly, and remove assembly from vehicle. See Fig. 3. To install, reverse removal procedure.
PLENUM ASSEMBLY
Loosen instrument panel attaching screws and move instrument panel back to access plenum. Disconnect and plug heater hoses from heater core. Remove glove box. Remove floor air distribution duct from plenum assembly. Remove 2 nuts retaining left end of plenum assembly to instrument panel.
Disconnect temperature control cable and vacuum hose connections from control panel assembly. See Fig. 2. Disconnect source vacuum block, which is secured to right heater core cover. Pull heater case forward to disengage 3 case studs from dash panel. Lower plenum assembly, and remove assembly from vehicle. See Fig. 3. To install, reverse removal procedure.
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Apr 19, 2021 at 3:14 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.