Subaru 2005 Impreza - Manual (Page 423)

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Maintenance and service
the vehicle checked at your SUBARU dealer.
y
Never use different brands of clutch fluid to-
gether.
y
When clutch fluid is added, be careful not to
allow any dirt into the tank.
„ Recommended clutch fluid
FMVSS No. 116, fresh DOT 3 brake fluid
Brake booster
If the brake booster does not operate as described be-
low, have it checked by your SUBARU dealer.
1. With the engine off, depress the brake pedal sever-
al times, applying the same pedal force each time. The
distance the pedal travels should not vary.
2. With the brake pedal depressed, start the engine.
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 minute
then turn it off. Depress the brake pedal several times
to check the brake booster. Brake booster operates
properly if the pedal stroke decreases with each de-
pression.