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Home >> Nissan-Datsun >> 1994 >> D21 Hardbody 2WD V6-2960cc 3.0L SOHC MFI (VG30E) >> Repair and Diagnosis >> Brakes and Traction Control >> Brake Bleeding >> Service and Repair >> Brake Bleeding Procedure

Brake Bleeding Procedure


CAUTION:
- Make sure all parts are clean before reassembly.
- Use only clean brake fluid.
- Do not allow dirt or other foreign matter to contaminate the brake fluid.
- Do not mix different brands of brake fluid.
- Avoid spilling brake fluid on painted, plastic or rubber surfaces as it can damage the finish; Wash spilled brake fluid off immediately with clean water.

NOTE: The reservoir on the master-cylinder must be full at the start of bleeding procedure, and checked after bleeding each wheel-cylinder. Add fluid as required. Use only DOT 3 brake fluid.

PROCEDURE
1. Have someone slowly pump the brake pedal several times, then apply steady pressure.

WARNING: Do not Full Stroke the brake pedal, this may damage the master-cylinder. Place a 2 inch block of wood under the brake pedal to prevent Full Stroking.






Brake Bleeding:






2. Loosen the brake bleed screw to allow air to escape from the system. Then tighten the bleed screw securely. Repeat this step until a steady stream of brake fluid is emitted.

NOTE: Do not release the brake pedal until the bleeder valve is fully shut.

3. Repeat the procedure for each wheel in the sequence shown below.











WITH L.S.V. AND PROPORTIONING VALVE
Brake Bleeding Sequence
1. Load Sensing Valve air bleeder (LSV) if equipped.
2. Left rear.
3. Right rear.
4. Left front.
5. Right front.

WARNING: Do not bleed the brakes with the drums removed. The wheel cylinders will over-extend and eject the pistons.