Remove intake air cleaner (13 71 000).
Remove battery, detach oil reservoir for hydraulic power
steering¹) and move to one side. Unscrew hose from radia-
tor to coolant header tank at the tank and secure to one
side.
Block the brake reservoir outlets with two pointed wooden
sticks and pull off the connecting hoses to the master
cylinder.
When installing: Check correct seating of sealing plugs in
master cylinder.
Remove the lower left instrument panel housing and secure
to one side.
Remove pin (6) on the foot brake pedal.
Detach the vacuum hose from the intake manifold.
Detach brake lines from master cylinder:
1 front right 2nd brake circuit
2 front left 2nd brake circuit
3 front right 1st brake circuit
4 front left 1st brake circuit
5 rear wheel brakes 1st brake circuit
Unscrew the brake unit from the support bracket and pull
out to the front.
When installing: Adjust length of piston rod to 367 + 1 mm
(14.49 + 0.04 in.) (A), and prevent nuts from turning with
keeper plate.
Check distance of brake pedal (B) from bulk head
= 245 mm (9.65in.).
Adjust exposed depth of stop light switch plunger (C) to
6 ÷ 7 mm (0.24 - 0.28 in.).
On cars equipped with rear drum brakes, the master cylin-
der is provided with an initial pressure valve.
Checking operation: With the engine stopped, depress the
brake pedal about 10 times.
Keep the brake pedal held down and start the engine. If
the brake pedal moves further down, the brake systems is
in good order. If the brake pedal does not move, either the
non-return valve, the vacuum hose or the rubber ring
between master cylinder and brake unit may de defective
or else the filter element is completely blocked.
¹) If installed


13 71 000

Remove the protecting cap (1), retaining ring (2), sound
absorbing pad (3) and filter (4).
When installing: Clean the sound absorbing pad (3) and
filter (4).