check engine NISSAN 300ZX 1984 Z31 Brake System Workshop Manual

BRAKEPEDAL
Adjustment
Check brake pedal free height from melt sheet
Adjust
if necessary
I1 2.15.9- 111
AS C D switch
I /-k I1 2 - 1 5,9.111
Dash insulator
N m 1kg-m. ft-lbl
sheet
SERE38
H: Free height
M/T
A/T
D: Depressed height
M/T
A/T
I82 - 192 mm (7.17 - 7 56 in)
184 - 194 mm (7.24 - 7 64 in)
More than
90 mm (3.54 in)
More than 90 mm (3.54 in)
Under force of 490 N (50 kg. 110 Ib) with
engine running.
C, : Clearance between pedal stopper and threaded
end
of stop lamp switch.
Cz : Clearance between pedal stopper and threaded
end of A.S.C.D. switch.
0.3 - 1.0 mm (0.012 ~ 0.039 in)
0.3 - 1.0 mm (0.012 - 0.039 in)
0.3 - 3 8 mm (0 012 - 0.150 in)
A: Pedal free play
(1) Adjust pedal free height with brake booster
input rod. Then tighten lock nut.
(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, accumula-
tion of
air or any damage regarding component
parts (master cylinder, wheel cylinder, etc.),
and make the necessary repairs.
BR-5

BRAKE BOOSTER
Operating Check
Depress brake pedal several times with engine
off, then check that there
is not change in
pedal stroke
Depress brake pedal, then
start engine. If pedal
goes down slightly, operation
is normal
Airtight Check
Start engine, then stop it in one or two minutes.
Depress brake pedal several times slowly. If
pedal goes further down the
first time, but
gradually
rises after second or third time, the
booster
is airtight.
Depress brake pedal while engine
is running,
then stop
it with pedal depressed. If there is
no change in pedal stroke after holding pedal
for thirty seconds, brake booster
is airtight
--Removal and Installation
(9116-22 (1 6 -2 2.12.16
(91 8. 11 (0 8. 1.1,5.8.8.01 1
8 - 11 (0 8 - 1 1,5.8.8.01
SBR831 (c1 N rn (kg-m, ft-lbl
BR-7