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Home >> Isuzu >> 2007 >> i-290 LS, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 46 (Parking Brake System) >> Diagnostic Information and Procedures >> Park Brake System Diagnosis (Without J55)

Park Brake System Diagnosis (Without J55)

WARNING: This page is about a different car, the 2007 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
Park Brake System Diagnosis (Without J55)

Step Action Yes No
DEFINITION: This diagnostic table is designed to diagnose ONLY the components of the PARK brake system in order to determine if the PARK 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 Park Brake Symptom table? Go to Step 4  Go to Step 3 
3 Is the symptom related to the ability of the park brake system to hold and/or release? Go to Diagnostic Starting Point - Park Brake  Go to Diagnostic Starting Point - Hydraulic Brakes
4
  1. Raise and support the vehicle with the rear axle supported by jack stands. Refer to Lifting and Jacking the Vehicle .
  2. With the park 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 8  Go to Step 5 
5
  1. Apply the park 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 13  Go to Step 6 
6 Visually inspect the park brake cable connections and the cables that are accessible on the UNDERSIDE of the vehicle for disconnections and/or damage.
Were any of the park brake cables disconnected and/or damaged?		 Go to Step 7  Go to Step 8 
7 Reconnect or replace the park brake cables as necessary. Refer to the following procedures as necessary:
Did you complete the repair and/or replacement?		 Go to Step 13  -
8
  1. Disconnect the intermediate park brake cable from the front cable. Refer to Park Brake Cable Replacement - Intermediate .
  2. Disconnect the rear park brake cables from the park brake caliper piston apply levers. Refer to Park Brake Cable Replacement - Left Rear (J55)  or Park Brake Cable Replacement - Left Rear (JL9)  and Park Brake Cable Replacement - Right Rear (J55)  or Park Brake Cable Replacement - Right Rear (JL9) .
  3. With the aid of an assistant apply and maintain the caliper apply lever in the applied position.
  4. Attempt to rotate the rear wheels in order to inspect the rear brake for significant drag.
  5. Release the caliper passton apply levers.
  6. Repeat steps 3, 4, and 5 for the other side of the vehicle.
  7. Rotate the rear wheels to check the rear brakes for significant reduction in the amount of drag.
Did the brake calipers apply and release properly?		 Go to Step 10  Go to Step 98 
9 Replace the appropriate rear brake caliper. Refer to Rear Brake Caliper Replacement (J55) or Rear Brake Caliper Replacement (JL9) .
Did you complete the replacement?		 Go to Step 13  -
10
  1. Disconnect the intermediate park brake cable from the front cable. Refer to Park Brake Cable Replacement - Intermediate .
  2. Disconnect the rear park brake cables from the brake caliper piston apply levers. Refer to Park Brake Cable Replacement - Left Rear (J55)  or Park Brake Cable Replacement - Left Rear (JL9)  and Park Brake Cable Replacement - Right Rear (J55)  or Park Brake Cable Replacement - Right Rear (JL9) .
  3. Inspect the intermediate and rear park brake cables for free movement.
Do any of the park brake cables checked require replacement?		 Go to Step 11  Go to Step 12 
11 Replace any of the park brake cables inspected that do not have free movement. Refer to the following procedures:
Did you complete the replacement?		 Go to Step 13  -
12 Inspect the park brake pedal assembly for proper operation and replace if necessary. Refer to Park Brake Pedal Assembly Replacement .
Did you complete the replacement?		 Go to Step 13  -
13 Install or connect any components that were removed or disconnected during diagnosis.
Did you complete the operation?		 Park Brake System OK
Go to Symptoms - Park Brake 		 -
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