Brakes - Shudder/Judder Felt in Steering Wheel
No: 70/01/04/NAS
Ref:
Issue: 1
9
Date: 26 March 2004
Steering Wheel Judder or Vibration
Under Braking
AFFECTED VEHICLE RANGE:
New Range Rover (LM)
Up to 4A 159171
SITUATION:
PULSATION FELT DURING BRAKING
The customer may complain that a vibration or judder is felt in the steering wheel during braking.
The front brake discs may have worn unevenly, resulting in thickness variations on the discs.
RESOLUTION:
INSTALL NEW BRAKE ROTORS AND PADS
Should a customer express concern of the steering wheel vibration described above, install new front brake discs in combination with new
specification front brake pads as outlined in this bulletin.
PARTS INFORMATION:
SFC500050 Front brake pads Qty 1
SDB000201 Front brake discs Qty 2
AS400 WARRANTY CLAIMS (CANADA ONLY)
70.12.31 Time 1.00 hrs
Install front brake discs and pads
FAULT CODE: L
DDW WARRANTY CLAIMS:
DDW requires the use of causal part numbers. Labor only claims must show the causal part number with a quantity of zero.
Normal warranty policy and procedures apply. Material allowance is included in labor operation.
REPAIR PROCEDURE
REPLACE FRONT PADS AND ROTORS
1. Refer to RAVE section 70.40.02 and remove the front brake pads.
2. Remove and replace each front brake rotor as follows:
^ Remove the two bolts securing the left-hand brake caliper to the hub.
CAUTION:
The caliper MUST NEVER hang on the brake hose during the repair.
^ Release the caliper from the hub and tie aside
avoiding strain on the brake hose.
10
^ Remove the Allen screw securing the brake disc to the drive flange and remove the disc. (Figure 1)
^ Ensure the mating surfaces of the new disc and of the drive flange are clean.
^ Install a new disc (SDB000201) to the flange. Install Allen screw and tighten to 16 Nm (12 lbf.ft).
^ Position the caliper to the hub, install bolts and tighten to 110 Nm (81 lbf.ft).
3. Perform step 2 on the alternate side brake disc.
