Judder / Vibration While Braking (LTB00402NAS2)
WARNING: This page is about the LR4 Base, which is a different variant/trim than selected.
Publication date: 2012-01-25Reference number: LTB00402NAS2
JUDDER / VIBRATION WHILE BRAKING
TECHNICAL SERVICE BULLETIN
Reference Number(s): LTB00402NAS2, Date of Issue:
January 25, 2012
| LAND ROVER: | LR4 (LA) 2010 - Onwards; Range Rover Sport (LS) 2010 - Onwards |
| ISSUE: | 2 |
| SECTION: | 206 |
| AFFECTED VEHICLES: | LR4 (LA) VIN: AA510742 - Onwards Model Year: 2010 - Onwards; Range Rover Sport (LS) VIN: AA212147 - Onwards Model Year: 2010 - Onwards |
CONDITION SUMMARY
Situation: The brakes may judder / vibrate when applied. This may be caused by the front brake pad material.
NOTE:
Brake linings, brake discs, and any other friction-related components are not covered when due to wear and tear but are covered for manufacturing, material defects, or the failure of another warranted part during the lifetime of the warranty. Refer to Warranty Policies and Procedures Manual
for further details.
NOTE:
Technical Bulletin LTB00400, Steering Wheel Shimmy / Vibration While Driving,
must be completed on eligible vehicles (as a separate claim). Only if the judder / vibration is still evident should the Repair Procedure outlined below be performed.
Action: If after completing Technical Bulletin LTB00400 the customer's concern of the above is still evident, refer to the Repair Procedure outlined below to perform front hub and brake disc run-out checks and, if necessary, replace the front brake discs and pads.
PARTS
PARTS INFORMATION
| SDB000624 | Front disc - LR4, Range Rover Sport w/Standard brakes | Qty:2 |
| LR032063 | Front pads set - LR4, Range Rover Sport w/Standard brakes | Qty:1 |
| LR027106 | Front disc - Range Rover Sport w/High Performance brakes (low thickness variation) | Qty:2 |
| LR020362 | Front pads set - Range Rover Sport w/High Performance brakes | Qty: 1 |
TOOLS
Refer to Workshop Manual for any required special tools
WARRANTY
NOTE:
Repair procedures are under constant review, and therefore times are subject to change; those quoted here must be taken as guidance only. Always refer to DDW to obtain the latest repair time.
DDW requires the use of causal part numbers. Labor only claims must show the causal part number with a quantity of zero.
| DESCRIPTION | SRO | TIME (HOURS) | CONDITION CODE | CAUSAL PART |
|---|---|---|---|---|
| Front brake disc run-out check - with wheels fitted - Range Rover Sport w/High Performance brakes | 70.12.44.36 | 0.30 | 42 | SDB000624 |
| Front brake disc run-out check - with wheels fitted - LR4, Range Rover Sport w/Standard brakes | 70.12.44 | 0.40 | 42 | SDB000624 |
| Front hub run-out check | 60.25.08.06 | 0.50 | 42 | SDB000624 |
| Discs/pads front axle set - Renew - LR4 | 70.12.31 | 1.10 | 42 | SDB000624 |
| Discs/pads front axle set - Renew - Range Rover Sport w/Standard brakes | 70.12.31 | 0.70 | 42 | SDB000624 |
| Discs/pads front axle set - Renew - Range Rover Sport w/High Performance brakes | 70.12.31.36 | 1.00 | 42 | SDB000624 |
Normal Warranty policies and procedures apply
REPAIR PROCEDURE
NOTE:
Technical Bulletin LTB00400, Steering Wheel Shimmy / Vibration While Driving, must be completed on eligible vehicles (as a separate claim). Only if the judder / vibration is still evident should the Repair Procedure outlined below be performed.
- Before replacing brake discs and pads, refer to Workshop Manual, section 206-00: Front Brake Disc Runout Check - With Wheel On
, and 204-00: Front Hub Runout Check, to ensure that the judder condition is indeed being caused by excessive runout of the discs or hubs and not some other condition such as non-approved wheels / tires or damaged steering / suspension components.NOTE: New brake discs / pads must be 'bed-in' correctly; refer to Workshop Manual section 206-00: Brake Pad Bedding-in for complete instructions.
- If discs have excessive runout, refer to Workshop Manual, section 206-03: Front Brake Disc, and replace the front brake discs and pads.
- If hub(s) have excessive runout, refer to Workshop Manual, section 204-01: Front Wheel Bearing and Hub , and replace the hub(s) as necessary. To be carried out as a separate claim.