Lucerne V8-4.6L (2008)
Brake Switch - TCC: Adjustments
4T65-E - Automatic Transaxle
Torque Converter Clutch/Cruise Control Release Switch Adjustment
Important: Do not depress the brake pedal during the adjustment procedure.
1. Remove the left closeout/insulator panel. Refer to Instrument Panel Insulator Panel Replacement - Left Side (See: Body and Frame/Interior
Moulding / Trim/Dashboard / Instrument Panel/Service and Repair).
2. Rotate the switch (1) counterclockwise in order to release the switch from the retainer.
3. Insert the switch (1) into the retainer until the switch is fully seated against the brake pedal arm.
4. Rotate the switch clockwise in order to lock the switch into position.
Measure the distance from the end of the barrel on the switch to the pedal arm, ensure that the clearance is 1.5-1.7 mm (1/16 in). If
the distance is not correct, perform step 1 and step 2 again.
The following pedal travel statement may be used in order to inspect for proper adjustment of the release switch:
*
The release switch assembly must be closed at 3.5-12.5 mm (1/8-1/2 in) brake pedal travel, measured at the centerline of the brake pedal
assembly.
*
Nominal actuation of the release assembly contacts is about 4.5 mm (3/16 in).
5. Install the left closeout/insulator panel. Refer to Instrument Panel Insulator Panel Replacement - Left Side (See: Body and Frame/Interior
Moulding / Trim/Dashboard / Instrument Panel/Service and Repair).
