Subaru 2002 Impreza - Manual (Page 330)

IMPREZA(NA) A1830BE-A (ENGLISH)
11
Maintenance and service
11-33
– CONTINUED –
Brake booster
If the brake booster does not operate as described
below, have it checked by your SUBARU dealer.
1. With the engine off, depress the brake pedal sev-
eral times, applying the same pedal force each time.
The distance the pedal travels should not vary.
2. With the brake pedal depressed, start the en-
gine. The pedal should move slightly down to the
floor.
3. With the brake pedal depressed, stop the engine
and keep the pedal depressed for 30 seconds. The
pedal height should not change.
4. Start the engine again and run for about one min-
ute then turn it off. Depress the brake pedal several
times to check the brake booster. Brake booster op-
erates properly if the pedal stroke decreases with
each depression.
Brake pedal
Check the brake pedal free play and reserve dis-
tance according to the maintenance schedule in the
“Warranty and Maintenance Booklet”).
J Checking the brake pedal free play
OM-H0224
1) 0.04 – 0.12 in (1.0 – 3.0 mm)
Stop the engine and firmly depress the brake pedal
several times. Lightly press the brake pedal down
with one finger to check the free play with a force of
less than 2 lb (10 N, 1 kg).
If the free play is not within proper specification,
contact your SUBARU dealer.