Brake System Pressure Bleeding

Special Tool(s) / General Equipment 

Brake/Clutch System Pressure Bleeder/Filler

Fluid Container

Bleeding 

All vehicles 

NOTE: Make sure the area around the master cylinder cap is clean and free of foreign material.
• 1.
  Remove the brake fluid reservoir cap.

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• 2.
  
  Make sure the fluid reservoir is filled with clean specified brake fluid. Refer to: Specifications .

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• 3.
  
  
  NOTE: Master cylinder pressure bleeder adapter tools are available from various manufacturers of pressure bleeding equipment. Follow the instructions of the manufacturer when installing the adapter.
  • 1.
    Install the bleeder adapter to the brake master cylinder reservoir and attach the bleeder tank hose to the fitting on the adapter. Use the General Equipment: Brake/Clutch System Pressure Bleeder/Filler
  NOTE: Make sure the bleeder tank contains enough clean, specified brake fluid to complete the bleeding operation.
  • 2.
    Open the valve on the bleeder tank and apply 207-345 kPa (30-50 psi) to the brake system.

• 4.
  
  With the vehicle in NEUTRAL, position it on a hoist. Refer to: Jacking and Lifting - Overview .

• 5.
  
  Bleeding steps must be followed in the order indicated in the graphic. For vehicles equipped with 4 or 6 piston brake calipers, bleed the inner bleeder screw first, followed by the outer bleeder screw.

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• 6.
  
  If equipped, remove the bleeder screw cap.

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• 7.
  
  Partially fill a clean brake fluid container with clean specified brake fluid. Refer to: Specifications . Use the General Equipment: Fluid Container

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• 8.
  
  Submerge a hose into the brake fluid in the container and connect the hose to bleeder screw.

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• 9.
  
  

  • 1.
    
    Loosen the bleeder screw. Loosen: 180°

  • 2.
    
    Leave open until clear, bubble-free brake fluid flows, then tighten the bleeder screw.

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Vehicles with rear integral parking brake calipers 

NOTE: Due to the complexity of the fluid path within the rear integral parking brake calipers, it is necessary to apply and release the parking brake during the bleed procedure.
• 10.
  

  • 1.
    
    Apply and release the parking brake 5 times.

  • 2.
    
    Loosen the bleeder screw. Loosen: 180°

  • 3.
    
    Leave open until clear, bubble-free fluid flows and then tighten the bleeder screw.

  • 4.
    
    Repeat as necessary.

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All vehicles 

• 11.
  
  

  • 1.
    
    Tighten the bleeder screw to specification and remove the hose and brake fluid container. Refer to: Specifications .

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• 12.
  
  If equipped, install the bleeder screw cap.

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NOTE: For vehicles equipped with 4 or 6 piston brake calipers, bleed the inner bleeder screw first, followed by the outer bleeder screw.
• 13.
  Repeat steps 5-12 at the remaining wheel ends.

• 14.
  
  Lower the vehicle.

• 15.
  
  Close the bleeder tank valve and release the pressure. Remove the General Equipment: Brake/Clutch System Pressure Bleeder/Filler

• 16.
  
  Fill the reservoir with clean, specified brake fluid. Refer to: Specifications .

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• 17.
  
  Install the brake fluid reservoir cap.

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Vehicles with new hydraulic control unit (HCU) installed 

• 18.
  
  Using the diagnostic scan tool, follow the ABS Service Bleed instructions.

• 19.
  
  Repeat brake system pressure bleeding steps.