Operation CHARM: Car repair manuals for everyone.

F2

F2 CHECK BRAKE PEDAL RESERVE

- Engine at idle.

- Press the brake pedal lightly three or four times.

- Wait 15 seconds for the vacuum to replenish.

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

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

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

- Release the accelerator pedal.

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

> Yes
Go to Pinpoint Test F3. F3

> No
Check vacuum to the power brake booster.