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Home >> Nissan-Datsun >> 1986 >> D21 Hardbody 4WD V6-2960cc 3.0L SOHC (VG30i) >> Repair and Diagnosis >> Brakes and Traction Control >> Brake Pedal Assy >> Adjustments

Brake Pedal Assy: Adjustments

DO NOT ADJUST OUTPUT ROD LENGTH:




CAUTION: OUTPUT PUSH ROD SHOULD NOT BE ADJUSTED. ONLY BRAKE
BOOSTER INPUT ROD LENGTH.

Brake Pedal Adjustment:




Check brake pedal free height from melt sheet. Adjust if necessary.

C1: Clearance between pedal stopper and threaded end of stop lamp switch
0.3 - 1.0 mm (0.012 - 0.039 in)

C2: Clearance between pedal stopper and threaded end of A.S.C.D. switch
0.3 - 1.0 mm (0.012-0.039 in)
A: Pedal free play
1 - 3 mm (0.04 - 0.12 in)

Fig. 8 Adjusting Input Rod:




1. Adjust pedal free height with brake booster input rod. Then tighten lock nut. Make sure that the tip of input rod stays inside.

2. Adjust clearance "C1" and "C2" with stop lamp switch and A.S.C.D. switch respectively. Then tighten lock nuts.

3. Check pedal free play. Make sure that stop lamp is off when pedal is released.

4. Check brake pedal depressed height with engine running. If depressed height is below the specified value, check brake system for leaks, accumulation of air or any damage regarding component parts (master cylinder, wheel cylinder, etc.), and make the necessary repairs.