Hydraulic Brake System Bleeding
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Hydraulic Brake System Bleeding
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Special Tools
CH-8819096
Bleeder
For equivalent regional tools, refer to
Special Tools
Refer to
Brake Fluid Irritant Warning
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Refer to
Brake Fluid Effects on Paint and Electrical Components Caution
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Warning
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When adding fluid to the brake fluid reservoir or to the clutch fluid reservoir, use only DOT-4+ brake fluid from a clean, sealed container. This polyglycol brake fluid is hygroscopic and absorbs moisture. Do not use fluid from an open container that may be contaminated with water. Improper or contaminated fluid could result in damage to the system components.
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Use GM recommended brake fluid, or equivalent DOT-4+ brake fluid. Refer to
Adhesives, Fluids, Lubricants, and Sealers
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1.
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Place a clean shop cloth beneath the brake master cylinder to prevent brake fluid spills.
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2.
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Open the cap on the brake fluid reservoir and top up with brake fluid.
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4.
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Connect the bleeder hose to the air nipple on the front left brake caliper and open the nipple. For J64 there are two air nipples on the brake caliper. Both nipples must be opened and drained. Drain about 100 ml brake fluid using the
bleeding equipment
CH-8819096.
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Note
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Top up after each time the fluid is drained.
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5.
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Tighten the nipple to
10 Nm (88 in ft)
, fit the rubber plug, move the brake bleeder to the air nipple on the rear right brake caliper and open the nipple. Drain about 50 ml brake fluid.
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6.
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Tighten the nipple to
10 Nm (88 in ft)
, fit the rubber plug, move the brake bleeder to the air nipple on the front right brake caliper and open the nipple. For J64 there are two air nipples on the brake caliper. Both nipples must be opened and drained. Drain about 100 ml brake fluid.
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7.
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Tighten the nipple to
10 Nm (88 in ft)
, fit the rubber plug, move the brake bleeder to the air nipple on the rear left brake caliper and open the nipple. Drain about 50 ml brake fluid.
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8.
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Tighten the nipple to
10 Nm (88 in ft)
, fit the rubber plug and lower the car to the floor.
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10.
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Slowly depress and release the brake pedal. Observe the feel of the brake pedal.
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12.
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Turn the ignition key ON, with the engine OFF. Check to see if the brake system warning lamp remains illuminated.
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Note
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If the brake system warning lamp remains illuminated, DO NOT allow the vehicle to be driven until it is diagnosed and repaired.
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