Buick Enclave: Repair Instructions
PARKING BRAKE SHOE REPLACEMENT
Removal Procedure
WARNING: Refer to Brake Dust Warning.
1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
2. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation.
3. Remove the rear brake rotor. Refer to Rear Brake Rotor Replacement.
4. Retract the park brake shoe adjuster to ease removal. Refer to Parking Brake Adjustment.
5. Remove the upper park brake shoe retainer spring (1).
Fig. 1: Upper Park Brake Shoe Retainer Spring
6. Remove the park brake shoe adjuster (1).
Fig. 2: Park Brake Shoe Adjuster
7. While holding the rear park brake shoe hold down spring pin (1) stationary, compress and rotate the hold down spring and cup (2) 1/4 turn.
Fig. 3: Park Brake Shoe Hold Down Spring Pin And Cup
8. Remove the rear park brake shoe hold down spring assembly and the pin.
9. While holding the front park brake shoe hold down spring pin (1) stationary, compress and rotate the hold down spring and cup (2) 1/4 turn.
Fig. 4: Cup And Park Brake Shoe Hold Down Spring Pin
10. Remove the front park brake shoe hold down spring assembly and the pin.
11. Grasp the top of the park brake shoes and spread the shoes apart slightly.
Fig. 5: Front And Rear Park Brake Shoe And Lower Retaining Spring
12. Remove the front park brake shoe (1), rear park brake shoe (2) and the lower retaining spring (3) from the parking brake anchor backing plate.
13. Separate the park brake shoe components.
14. Clean the parking brake anchor backing plate with denatured alcohol or equivalent and allow to dry.
Installation Procedure
1. Apply a light coat of high temperature brake lubricant to the park brake shoe contact areas of the parking brake anchor backing plate.
2. Install the front park brake shoe (1), rear park brake shoe (2), and the lower retaining spring (3) to the parking brake anchor backing plate.
Fig. 6: Front And Rear Park Brake Shoe And Lower Retaining Spring
3. While holding the front park brake shoe hold down spring pin (1) stationary, compress and rotate the hold down spring and cup (2) 1/4 turn.
Fig. 7: Cup And Park Brake Shoe Hold Down Spring Pin
4. While holding the rear park brake shoe hold down spring pin (1) stationary, compress and rotate the hold down spring and cup (2) 1/4 turn.
Fig. 8: Park Brake Shoe Hold Down Spring Pin And Cup
5. Install the park brake shoe adjuster (1).
Fig. 9: Park Brake Shoe Adjuster
6. Install the rear park brake shoe hold down spring (1) by compressing the spring and rotating 1/4 turn.
7. Install the upper park brake shoe retainer spring (1).
Fig. 10: Upper Park Brake Shoe Retainer Spring
8. Adjust the park brake. Refer to Parking Brake Adjustment.
PARKING BRAKE LEVER PEDAL ASSEMBLY REPLACEMENT
Special Tools
- J 37043 Parking Brake Cable Release Tool
Removal Procedure
1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
2. Loosen the park brake cable locknut (1) at the equalizer to relieve tension on the park brake cable.
Fig. 11: Identifying Park Brake Cable Locknut
3. Lower the vehicle.
4. Remove the left side instrument panel insulator panel. Refer to Instrument Panel Insulator Panel Replacement - Left Side.
5. Remove the driver side front carpet retainer. Refer to Front Side Door Opening Floor Carpet Retainer Replacement.
6. Disconnect the park brake warning indicator switch electrical connector.
7. Disconnect the front park brake cable from the park brake pedal clevis (1).
Fig. 12: Identifying Front Park Brake Cable & Park Brake Pedal Clevis
8. Using the J 37043 parking brake cable release tool, remove the front park brake cable from the park brake pedal assembly by compressing the locking tabs on the cable conduit (2).
9. Apply the park brake pedal until the clevis exposes the lower park brake pedal nut.
Fig. 13: Identifying Lower Park Brake Pedal Nut
10. Remove the lower park brake pedal nut (1).
11. Remove the 2 upper park brake pedal nuts (1).
Fig. 14: View Of Upper Park Brake Pedal Nuts
12. Remove the park brake pedal assembly.
Installation Procedure
1. Install the park brake pedal assembly.
Fig. 15: View Of Upper Park Brake Pedal Nuts
2. Install the 2 upper park brake pedal nuts (1).
CAUTION: Refer to Fastener Caution.
Tighten
- Tighten the nuts to 10 N.m (89 lb in).
3. If necessary, apply the park brake pedal until the clevis exposes the lower park brake pedal assembly mounting stud.
Fig. 16: Identifying Lower Park Brake Pedal Nut
4. Install the lower park brake pedal nut (1).
Tighten
- Tighten the nut to 10 N.m (89 lb in).
5. Release the park brake pedal.
6. Connect the front park brake cable to the park brake pedal clevis (1).
Fig. 17: Identifying Front Park Brake Cable & Park Brake Pedal Clevis
7. Install the front park brake cable to the park brake pedal assembly.
Ensure the locking tabs on the cable conduit (2) are fully engaged to the park brake pedal assembly.
8. Connect the park brake warning indicator switch electrical connector.
9. Install the driver side front carpet retainer. Refer to Front Side Door Opening Floor Carpet Retainer Replacement.
10. Install the left side instrument panel insulator panel. Refer to Instrument Panel Insulator Panel Replacement - Left Side.
11. Adjust the park brake. Refer to Parking Brake Adjustment.
PARKING BRAKE INDICATOR SWITCH REPLACEMENT
Fig. 18: Identifying Parking Brake Indicator Switch
Parking Brake Indicator Switch Replacement
PARKING BRAKE FRONT CABLE REPLACEMENT
Special Tools
- J 37043 Parking Brake Cable Release Tool
Removal Procedure
1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
2. Loosen the park brake cable locknut (1) at the equalizer to relieve tension on the park brake cable.
Fig. 19: Identifying Park Brake Cable Locknut
3. Disconnect the front park brake cable (1) from the rear park brake cable.
Fig. 20: Identifying Front Park Brake Cable
4. Using the J 37043 parking brake cable release tool, remove the front park brake cable from the park brake cable bracket on the body by compressing the locking tabs on the cable conduit (2).
5. Remove the left side instrument panel insulator panel. Refer to Instrument Panel Insulator Panel Replacement - Left Side.
6. Remove the driver side front carpet retainer. Refer to Front Side Door Opening Floor Carpet Retainer Replacement.
7. Remove the 2 nuts and the driver footrest.
Fig. 21: View Of Driver Footrest & Nuts
8. Lift the driver floor carpet to expose the front park brake cable routing clip.
Fig. 22: View Of Park Brake Cable & Routing Clip
9. Release the park brake cable routing clip from the floor stud.
10. Release the front park brake cable pass through grommet.
Fig. 23: View Of Park Brake Cable Pass Through Grommet
11. Disconnect the front park brake cable from the park brake pedal clevis (1).
Fig. 24: Identifying Front Park Brake Cable & Park Brake Pedal Clevis
12. Remove the front park brake cable from the park brake pedal assembly by compressing the locking tabs on the cable conduit (2).
13. Remove the front park brake cable assembly.
Installation Procedure
1. Install the front park brake cable assembly.
Fig. 25: Identifying Front Park Brake Cable & Park Brake Pedal Clevis
2. Connect the front park brake cable to the park brake pedal clevis (1).
3. Install the front park brake cable to the park brake pedal assembly.
Ensure the locking tabs on the cable conduit (2) are fully engaged to the park brake pedal assembly.
4. Route the front park brake cable through the vehicle floor and seat the pass through grommet.
Fig. 26: View Of Park Brake Cable Pass Through Grommet
5. Position the park brake cable routing clip to the floor stud.
Fig. 27: View Of Park Brake Cable & Routing Clip
6. Position the driver floor carpet to the vehicle floor.
7. Install the driver footrest.
Fig. 28: View Of Driver Footrest & Nuts
8. Install the 2 driver footrest nuts.
CAUTION: Refer to Fastener Caution.
Tighten
- Tighten the nuts to 10 N.m (89 lb in).
9. Connect the park brake warning indicator switch electrical connector.
10. Install the driver side front carpet retainer. Refer to Front Side Door Opening Floor Carpet Retainer Replacement.
11. Install the left side instrument panel insulator panel. Refer to Instrument Panel Insulator Panel Replacement - Left Side.
12. Install the front park brake cable (1) to the park brake cable bracket on the body.
Fig. 29: Identifying Front Park Brake Cable
Ensure the locking tabs on the cable conduit (2) are fully engaged to the park brake cable bracket.
13. Connect the front park brake cable to the rear park brake cable.
14. Adjust the park brake. Refer to Parking Brake Adjustment.
PARKING BRAKE REAR CABLE REPLACEMENT - LEFT SIDE
Special Tools
- J 37043 Parking Brake Cable Release Tool
Removal Procedure
1. Release the park brake.
2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
3. Remove the park brake equalizer locknut (1).
Fig. 30: Identifying Park Brake Cable Locknut
4. Using the J 37043 parking brake cable release tool, release the park brake cable from the park brake cable bracket (1) by compressing the locking tabs on the cable conduit (2).
Fig. 31: View Of Park Brake Cable Bracket
5. Remove the park brake cable from the bracket and the equalizer.
6. Disconnect the park brake cable eyelet (1) from the park brake actuator.
Fig. 32: Identifying Park Brake Cable Eyelet
7. Compress the locking tabs and pull the park brake cable conduit toward the front of the vehicle to compress the park brake cable spring.
8. Remove the park brake cable from the cable bracket (2).
9. Pull the park brake cable through the cable guides and remove the park brake cable from the vehicle.
Installation Procedure
1. Install the park brake cable to the cable guides.
Fig. 33: Identifying Park Brake Cable Eyelet
2. Connect the park brake cable eyelet (1) to the park brake actuator.
3. Compress the park brake cable spring and install the park brake cable to the cable bracket (2).
Ensure the locking tabs on the cable conduit are fully engaged to the cable bracket.
4. Install the park brake cable to the park brake cable bracket (1).
Fig. 34: View Of Park Brake Cable Bracket
Ensure the locking tabs on the cable conduit (2) are fully engaged to the park brake cable bracket.
5. Install the park brake cable to the equalizer.
6. Loosely install the park brake equalizer locknut (1).
Fig. 35: Identifying Park Brake Cable Locknut
7. Adjust the park brake. Refer to Parking Brake Adjustment.
PARKING BRAKE REAR CABLE REPLACEMENT - RIGHT SIDE
Special Tools
- J 37043 Parking Brake Cable Release Tool
Removal Procedure
1. Release the park brake.
2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
3. Loosen, but do not remove the park brake equalizer locknut (1).
Fig. 36: Identifying Park Brake Cable Locknut
4. Disconnect the front park brake cable (1) from the right park brake cable.
Fig. 37: View Of Park Brake Cable & Park Brake Equalizer
5. Using the J 37043 parking brake cable release tool, release the park brake cable from the park brake equalizer (2) by compressing the locking tabs on the cable conduit (3).
6. Remove the 2 park brake cable bracket bolts located on top of the crossmember above the rear suspension module.
Fig. 38: View Of Park Brake Cable Bracket Bolts
7. Disconnect the park brake cable eyelet (1) from the park brake actuator.
Fig. 39: Identifying Park Brake Cable Eyelet & Cable Bracket
8. Compress the locking tabs and pull the park brake cable conduit toward the front of the vehicle to compress the park brake cable spring.
9. Remove the park brake cable from the cable bracket (2).
10. Pull the park brake cable through the cable guides and remove the park brake cable from the vehicle.
Installation Procedure
1. Position the park brake cable over the rear suspension module.
2. Connect the park brake cable eyelet (1) to the park brake actuator.
Fig. 40: Identifying Park Brake Cable Eyelet & Cable Bracket
3. Compress the park brake cable spring and install the park brake cable to the cable bracket (2).
Ensure the locking tabs on the cable conduit are fully engaged to the cable bracket.
4. Install the 2 park brake cable bracket bolts.
Fig. 41: View Of Park Brake Cable Bracket Bolts
CAUTION: Refer to Fastener Caution.
Tighten
- Tighten the bolts to 10 N.m (89 lb in).
5. Install the park brake cable to the cable guides.
6. Position the park brake cable to the equalizer.
7. Connect the front park brake cable (1) to the right park brake cable.
Fig. 42: View Of Park Brake Cable & Park Brake Equalizer
8. Install the park brake cable to the park brake equalizer (2).
Ensure the locking tabs on the cable conduit (3) are fully engaged to the equalizer.
9. Loosely install the park brake equalizer locknut (1).
Fig. 43: Identifying Park Brake Cable Locknut
10. Adjust the park brake. Refer to Parking Brake Adjustment.
PARKING BRAKE CABLE EQUALIZER REPLACEMENT
Fig. 44: Identifying Park Brake Cable Equalizer
Parking Brake Cable Equalizer Replacement
PARKING BRAKE ACTUATOR REPLACEMENT
Fig. 45: Identifying Parking Brake Actuator
Parking Brake Actuator Replacement
REAR PARKING BRAKE ANCHOR BACKING PLATE REPLACEMENT
Fig. 46: View Of Rear Disc Brake Backing Plate
Rear Parking Brake Anchor Backing Plate Replacement
PARKING BRAKE ADJUSTMENT
Special Tools
- J-21177-A Drum-to-Brake Shoe Clearance Gauge
WARNING: Refer to Brake Dust Warning.
1. Apply and fully release the park brake.
2. Verify that the park brake pedal releases completely.
- Turn ON the ignition. Verify the BRAKE indicator lamp is off.
- If the BRAKE indicator lamp is on, ensure the park brake pedal is in release mode and has fully returned to the stop. Remove the slack in the front park brake cable by pulling downward on the cable.
3. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
4. Remove the rear tire and wheel assemblies. Refer to Tire and Wheel Removal and Installation.
5. Loosen the locknut (1) at the park brake cable equalizer to relieve tension on the park brake system.
Fig. 47: Identifying Park Brake Cable Locknut
6. Remove the rear brake rotors. Refer to Rear Brake Rotor Replacement.
7. Using appropriate cleaning equipment, clean the parking brake components of any accumulated dust.
8. Set the J-21177-A Drum-to-Brake Shoe Clearance Gauge inside of the park brake drum (1) at the widest point.
Fig. 48: Measuring Inside Of Rotor
- Place the contacts on the tool to the widest point of the drum.
- Tighten the set screw on the tool to ensure the proper measurement when removing the tool from the drum.
9. Position the J-21177-A Drum-to-Brake Shoe Clearance Gauge over the park brake shoe (1) at the widest point.
Fig. 49: Adjusting Parking Brake Shoes Using Special Tool
10. Turn the adjuster screw until the park brake shoe just contacts the J-21177-A Drum-to-Brake Shoe Clearance Gauge.
11. Repeat steps 7-9 for the opposite side.
12. Install the rear brake rotors. Refer to Rear Brake Rotor Replacement.
13. Install the rear tire and wheel assemblies. Refer to Tire and Wheel Removal and Installation.
14. Adjust the park brake by turning the locknut (1) at the equalizer while spinning both rear wheels. When either rear wheel starts to drag, back off the locknut one full turn.
Fig. 50: Identifying Park Brake Cable Locknut
15. Lower the vehicle to curb height.
16. Apply the park brake, then inspect for rotation of the rear wheels. If the rear wheels rotate during this inspection, then readjust the park brake shoes.
17. Release the park brake. Verify the rear wheels rotate freely.
18. Lower the vehicle.
