DeVille V8-4.6L VIN Y (1998)
Brake Switch (Cruise Control): Adjustments
NOTE: Proper stoplamp switch adjustment is essential. Improper stoplamp switch adjustment could cause brake drag and excessive brake lining wear.
IMPORTANT: Do not depress the brake pedal during the adjustment procedure.
Adjust the cruise release switch assembly and the stoplamp switch assembly after you assemble the brake booster push rod to the brake pedal assembly.
Adjust the cruise control release switch (5) and the stoplamp switch (4) together.
Incorrect switch adjustment may cause the cruise control system to function improperly. For additional information about switch replacement, Refer to
Stoplamp Switch Replacement (Stop/amp/BTSI Switch) in Hydraulic Brakes.
1. Insert the brake release switch into the retainer until the switch fully seats against the brake pedal arm.
2. Twist the switch in order to lock the switch into position.
3. Measure the distance from the end of the barrel on the brake release switch to the pedal arm. Ensure that the clearance is 1.5-1.7 mm (1/16 in).
Repeat the previous 2 steps if the measurement is incorrect.
4. Measure the travel at the centerline of the brake pedal assembly pad. The following contacts must be closed at 3.5-12.5 mm (1/8-1/2 in) of brake
pedal assembly travel:
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The release switch assembly (5)
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The stoplamp switch assembly (4) The nominal actuation of the stoplamp switch assembly is approximately 4.5 mm (3/16 in).
