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.
Heater Control Module -J65- /A/C Control Module -J301- /Climatronic Control Module -J255-, REMOVING AND INSTALLING: Removing
-- Position the : T40207Β (or : 3438Β ) on the openings -3- and carefully pull the control head -1- out of the mount -2- in direction of -arrow-.
If the control head -1- cannot be removed as described, it must be carefully pressed out of the mount -2- using a plastic wedge -3- (for example with a : T40233Β or the wedge T10383/2 from the set : T10383Β ) (using the Hook Tool : T40207Β or the : 3438Β to pull) in direction of -arrow-, as shown in the illustration.
If the control head -1- sits so securely in the instrument panel mount that the plastic wedge -3- is deformed when pressing out, a flat-head screwdriver can be used additionally to strengthen the plastic wedge -3- (place between the plastic wedge -3- and the control head -1-).
Depending on the instrument panel there can be a clip (usually the right lower) after loosening the control head -1- that can get hooked in the instrument panel shell, if necessary push this clip for example with a finger (or a screwdriver) toward the control head -1-.
-- Slide the safety mechanism -4- upward in direction of -arrow- and press the release -5- inward to disconnect the connectors -1, 2 and 3-.
NO RELATED
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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.