Brakes - Push Rod Clearance Specifications

85mitsubishi01

SUBJECT:

BRAKE PUSH ROD CLEARANCE SPECIFICATIONS

NO. STB-85-05-002

DATE August, 1985

MODEL All Models

STB Revision

PURPOSE STB-85-05-002

This bulletin is issued to clarify the Service Manual specifications for brake push rod clearance. The brake push rod clearance value at atmospheric pressure is different from the clearance value when a vacuum is applied to the booster.

SERVICE MANUALS AFFECTED

All service manuals are affected. The pages affected are tabulated below. As reference to this bulletin, please write the STB number on each of the pages affected.


Service Manual Page Affected
(Name) 1985 1984 1983


Cordia/Tredia 5-16 5-14 5-15
Starion 5-14 5-14 5-14
Truck 5-13 N/A N/A
Montero 5-13 5-13 5-13
Mirage 5-15 N/A N/A
Galant 5-18 N/A N/A


(N/A, Not Applicable)


PUSH ROD CLEARANCE MEASUREMENT

1. Clearance with vacuum applied to the booster should be measured with the engine idling.
2. Clearance without vacuum applied to the booster should be measured only after pumping the brake pedal several times after the engine is shut off to bring the booster to atmospheric pressure.

FIGURE 1:

PUSH ROD-TO-PISTON CLEARANCE DIMENSIONS


The clearance dimension to be measured is shown in Fig. 1. The clearance values are given in Table I.
TABLE I: BRAKE PUSH ROD-TO-PISTON CLEARANCE DIMENSIONS, IN.


With Vacuum on Booster Without Vacuum on Booster
Starion .004 - .020 .028 - .043
Galant .004 - .020 .059 - .075
All Others .004 - .020 .016 - .031