Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Auxiliary A/C-Heater Assembly
1987 Ford Cutaway 7.5 LSECTION Auxiliary A/C-Heater Assembly
- Discharge A/C refrigerant system using approved refrigerant recovery/recycling equipment. Drain cooling system. Remove first bench seat. Remove the auxiliary A/C-heater cover attaching screws and remove cover.
- Disconnect heater hoses and plug openings. Disconnect refrigerant line from expansion valve and suction line from evaporator core and cap openings.
- From under vehicle, disconnect auxiliary blower motor wiring at connectors. Disengage wiring harness from retaining strap. Remove case assembly retaining screws and lift case assembly. Remove wiring harness grommet from floor seal. Remove case from vehicle. To install, reverse removal procedure, using new "O" rings lubricated with clean refrigerant oil. Leak test, evacuate and recharge system.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.