R4 - Wheel Turning Torque Check, Rear Wheels

- Place transmission in NEUTRAL.

- Raise rear wheels off of ground.

- Apply 445 N (100 lbs.) evenly over a period of 30 seconds to the brakes and hold for approximately 15 seconds.

- While holding brakes, exert 101 N (75 lbs.) force to rear wheels.

- Does either wheel rotate?

YES -- Service brake master cylinder as required.

NO -- Rear chamber of brake master cylinder checks OK.