mitsubishi Workshop Repair Guides

Mitsubishi Workshop Service and Repair Manuals

Brake Booster - Push Rod Adjustment|Page 3261 > < Brake Booster - Push Rod Adjustment|Page 3259
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Vacuum Brake Booster: Adjustments

Clearance Between Push Rod And Primary Piston

Calculate Clearance A

Adjust the clearance "A" between the brake booster push rod and primary piston by calculating the clearance "A" from the "B", "C" and "D"
measurements: A = B - C - D
Clearance "A" is 0.65 - 0.85 mm (0.0256 - 0.0335 inches)

NOTE:  When brake booster negative pressure 67 kPa (9.7 psi) is applied, the clearance value will become 0.1 - 0.3 mm (0.004 - 0.012 inches) 

If the clearance is not within the standard value range, turn the push rod screw to achieve desired length.

Brake Booster - Push Rod Adjustment|Page 3261 > < Brake Booster - Push Rod Adjustment|Page 3259