check engine light NISSAN 300ZX 1984 Z31 Brake System Workshop Manual

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