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 MANUALSFORD1999EXPEDITION 2WD V8-4.6L SOHC VIN 6REPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGCONTROL ASSEMBLYSERVICE AND REPAIRWITH MANUAL A/C
1999 Ford Expedition 2WD V8-4.6L SOHC VIN 6
With Manual A/C
1999 Ford Expedition 2WD V8-4.6L SOHC VIN 6SECTION With Manual A/C
REMOVAL
1. Disconnect the battery ground cable.

2. Remove the center instrument panel finish panel.
^ Carefully pry to release the four clips.

3. Remove the screws from the Electronic Automatic Temperature Control (EATC) module.

3. Remove the EATC module.
1 Disconnect the electrical connectors.
2 Remove the nuts.
3 Disconnect the vacuum harness connector and remove the EATC module.
INSTALLATION
1. To install, reverse the removal procedure.
1. Disconnect the battery ground cable.
2. Remove the center instrument panel finish panel.
^ Carefully pry to release the four clips.
3. Remove the screws from the Electronic Automatic Temperature Control (EATC) module.
3. Remove the EATC module.
1 Disconnect the electrical connectors.
2 Remove the nuts.
3 Disconnect the vacuum harness connector and remove the EATC module.
INSTALLATION
1. To install, reverse the removal procedure.
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.