Mitsubishi 1992 3000GT, Service Manual

Page: 914 / 1308

SERVICE BRAKES
Master Cylinder and Brake Booster
Vacuum hose
Clip
mm (in.)
valve
0 0 0 0 2 1 3 3
0 0 0 0 2 1 3 4
REMOVAL SERVICE POINT
MOVING LOW-PRESSURE HOSE
Remove the nuts and bolts securing low-pressure hose shown
in the illustration, and using a wire, suspend the hose from
the hood to a position where it does not hamper the removal
and installation of the brake booster.
Caution
Move the hose slowly with care not ‘to bend it.
INSTALLATION SERVICE POINTS
HOSE WITH CHECK VALVE
INSTALLATION
(1) In the case of AWD, install the vacuum hose to the brake
booster nipple as shown in the figure. Secure the hose
with the hose clip.
Caution
The check valve and the pipe part of the brake booster
must not contact each other.
(2) Install the other end of the vacuum hose fully onto its
port on the engine. Secure the hose using the hose clip.
CLEARANCE BETWEEN BRAKE BOOSTER
PUSH ROD AND PRIMARY PISTON
ADJUSTMENT
Adjust the clearance (A) between the brake booster push
rod and primary piston as follows:
(1) Measure the dimension (B) between the master cylinder
end face and piston.
NOTE
To obtain (B), first take measurement with a square placed
on the master cylinder end face. Then, subtract the thick-
ness of the square to arrive at (B).
(2) Obtain the dimension (C) between the brake booster
mounting surface on the master cylinder and the end
face.
TSB Revision