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.
Replacement - "A" Bodies"
Drain cooling system. On models with diesel engines, raise the vehicle. Remove instrument panel lower sound absorber. On all models, disconnect coolant hoses at heater core. Remove heater duct and heater case side cover. Remove heater lower outlet. Remove 2 housing cover to air valve housing clips. Remove core retaining straps. Remove core tubing retainers and remove core. To install, reverse removal procedure and refill cooling system.
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Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.