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.
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HOMESERVICE MANUALSFORD2010RANGER 2WD L4-2.3LREPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGHEATER CORESERVICE AND REPAIR
2010 Ford Ranger 2WD L4-2.3L
Heater Core: Service and Repair
2010 Ford Ranger 2WD L4-2.3LSECTION Service and Repair
Heater Core
Removal and Installation
1. NOTE: If a heater core leak is suspected, the heater core must be leak tested before it is removed from the vehicle. Component Tests and General Diagnostics
Remove the evaporator core housing. For additional information, refer to Evaporator Core Housing Evaporator Core Housing.
2. Remove the instrument panel. For additional information, refer to Instrument Cluster / Carrier &/or Interior Moulding / Trim. Service and Repair
3. Remove the PCM. For additional information, refer to Computers and Control Systems. Service and Repair
4. Remove the PCM heat sink.
1. Remove the ground strap screw.
2. Remove the heat sink.
5. Remove the 4 nuts from the engine side of the dash panel. Position the plenum chamber on the vehicle floor.
- To install, tighten to 4 Nm (35 lb-in).
6. Remove the heater core cover.
1. Remove the screws.
2. Remove the heater core cover.
7. Remove the heater core.
8. To install, reverse the removal procedure.
- During installation, be sure to install a new oval foam seal around the heater core inlet and outlet tubes.
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.