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 MANUALSJAGUAR1985VANDEN PLAS L6-4.2LREPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGCONTROL ASSEMBLYSERVICE AND REPAIR
1985 Jaguar Vanden Plas L6-4.2L
Control Assembly: Service and Repair
1985 Jaguar Vanden Plas L6-4.2LSECTION Service and Repair
Temperature & Mode Microswitches
Removing
- Disconnect the battery earth lead. Remove the centre console as detailed in operation. Service and Repair
- Remove two bolts, two nuts and associated shakeproof washers (1, Fig. 5) securing mounting plate to heater unit.
- Remove three screws (2, Fig. 5) securing vacuum switches to mounting plate.
- Note positions of vacuum pipes and disconnect from switches.
- Remove circlips and locking rings (3. Fig. 5). Remove mounting plate from studs. Note position of cables and pipes on vacuum switch, and micro-switches before disconnecting.
- To change micro-switch(es), remove secure screws and nuts as necessary.
NOTE: Ensure replacement switches are of correct pattern.
- To change vacuum switch remove two screws securing mounting bracket
Refitting
- Refit mounting plate to studs.
- Refit circlips and locking rings.
- Reconnect the vacuum pipes to their correct positions on switches, and refit the three screws securing the vacuum switches to mounting plate.
- Secure mounting plate to heater unit with the fixing nuts and bolts.
- Refit the centre console.
- Reconnect the battery
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.