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Hand brake System Diagnosis

Step

Action

Yes

No

DEFINITION: This diagnostic table is designed to diagnose ONLY the mechanical components of the Hand brake system in order to determine if the Hand brake system is operating properly. You will be directed by the appropriate Symptom table to go to other brake system diagnostic tables as appropriate.

1

Were you sent here from a Hydraulic Brake Symptom table?

Go to Step 4

Go to Step 2

2

Were you sent here from a Hand brake Symptom table?

Go to Step 4

Go to Step 3

3

    Danger: Do not use a service jack in locations other than those specified to lift this vehicle. Lifting the vehicle with a jack in those other locations could cause the vehicle to slip off the jack and roll; this could cause injury or death.

  1. Raise and support the vehicle with the rear axle supported by axle stands. Refer to Lifting and Jacking the Vehicle .
  2. With the hand brake RELEASED, attempt to rotate the rear wheels to check the rear brakes for a significant amount of drag.

Do the rear brakes have a significant amount of drag?

Go to Step 7

Go to Step 4

4

  1. Apply the hand brake.
  2. Attempt to rotate the rear wheels to check the rear brakes for a significant amount of drag.

Do the rear brakes have a significant amount of drag?

Go to Step 12

Go to Step 5

5

Visually inspect the hand brake cable connections and the cables that are accessible on the UNDERSIDE of the vehicle for disconnections and/or damage.

Were any of the hand brake cables disconnected and/or damaged?

Go to Step 6

Go to Step 7

6

Reconnect or replace the hand brake cables as necessary. Refer to Hand brake Cable Replacement , or Hand brake Rear Cable Replacement - Left Side , or Hand brake Rear Cable Replacement - Right Side .

Did you complete the repair and/or replacement?

Go to Step 12

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7

  1. Disconnect the rear hand brake cables from the equaliser and from the brake calliper piston apply levers. Refer to Hand brake Rear Cable Replacement - Left Side and Hand brake Rear Cable Replacement - Right Side .
  2. Have an assistant apply and maintain the calliper piston apply lever to apply the calliper piston.
  3. Attempt to rotate the rear wheels to check the rear brakes for a significant amount of drag.
  4. Release the calliper piston apply lever.
  5. Repeat steps 2-4 for the opposite calliper piston apply lever.
  6. Rotate the rear wheels to check the brake for a significant reduction of drag.

Did the brake callipers apply and release properly?

Go to Step 9

Go to Step 8

8

Replace the appropriate rear brake calliper. Refer to Rear Brake Calliper Replacement .

Did you complete the replacement?

Go to Step 12

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9

With the aid of an assistant, apply and release the hand brake while observing the cables for free movement.

Did the hand brake cables move freely?

Go to Step 11

Go to Step 10

10

Replace any of the hand brake cables inspected that do not have free movement. Refer to Hand brake Cable Replacement , or Hand brake Rear Cable Replacement - Left Side , or Hand brake Rear Cable Replacement - Right Side .

Did you complete the replacement?

Go to Step 12

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11

Inspect the electronic hand brake control module for proper operation and replace if necessary. Refer to Electronic Hand brake Control Module Replacement .

Did you complete the replacement?

Go to Step 12

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12

Install or connect any components that were removed or disconnected during diagnosis.

Did you complete the operation?

Hand brake System OK

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