Operation CHARM: Car repair manuals for everyone.

J2 - Brake Pedal Reserve Check








- Key ON, engine running at idle with transmission in PARK or NEUTRAL.

- Depress brake pedal lightly three or four times.

- Wait 15 seconds to allow the vacuum to replenish.

- Push down on brake pedal until it stops moving downward or an increased resistance to the pedal travel occurs.

NOTE: This increased resistance may feel like the pedal has bottomed out.

- Hold the pedal in the applied position while increasing the engine speed to 2000 rpm.

- Release the accelerator pedal.

- Does the brake pedal move downward as engine speed returns to normal?

YES -- Go to J3. J3 - Brake Fluid Level Check

NO -- Check vacuum to booster.