Front/Rear Door Window Regulator Diagnostics (LTB00301)

WARNING: This page is about the LR4 Base, which is a different variant/trim than selected.

Publication date: 2011-08-03
Reference number: LTB00301

FRONT/REAR DOOR WINDOW REGULATOR DIAGNOSTICS

TECHNICAL SERVICE BULLETIN

Reference Number(s): LTB00301 (ISSUE 2), Date of Issue: August 3, 2011

LAND ROVER:	2005-2009 LR3 (LA), 2010 - Onwards LR4 (LA), 2006 - Onwards Range Rover Sport (LS)
ISSUE:	2
SECTION:	501
AFFECTED VEHICLES:	VIN: 5A000360 - 9A513325, VIN: AA510742 - Onwards, VIN: 6A900129 - Onwards

AFFECTED VEHICLE RANGE

LR3 (LA)
- VIN: 5A000360 - 9A513325
- Model Year: 2005 - 2009
LR4 (LA)
- VIN: AA510742 - Onwards
- Model Year: 2010 - Onwards
Range Rover Sport (LS)
- VIN: 6A900129 - Onwards
- Model Year: 2006 - Onwards

CONDITION SUMMARY

Situation: The front and rear door window glass may experience one or more of the following:

Noise during window closing
Window inoperative (no movement)
Slow/partial operation
Window one-shot function inoperative
Front/rear door glass 'bounceback'

NOTE: Service Action Q093 (eligible vehicles only) or Technical Bulletin LTB00256 must be completed prior to undertaking any diagnosis and testing for rear door glass 'bounceback' concerns.

Action: In the event of a customer concern of any of the above concerns, refer to the symptom driven diagnostics procedure outlined below.

PARTS

Parts as necessary per diagnosis

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.

WARRANTY INFORMATION

DESCRIPTION	SRO	TIME (HOURS)	CONDITION CODE	CAUSAL PART
LR3/LR4 - Glass - Front Door - Renew	76.31.01	0.20	07	CUH500250
LR3/LR4 - Glass - Rear Door - Renew	76.31.02	1.00
LR3/LR4 - Motor - Regulator - Front Door - Renew	86.25.03	0.80
LR3/LR4 - Motor - Regulator - Rear Door - Renew	86.25.05	0.60
LR3/LR4 - Rubber/Felt - Glass Channel - Front Door - Renew	76.31.13	0.90
LR3/LR4 - Rubber/Felt - Glass Channel - Rear Door - Renew	76.31.14	0.90
LR3/LR4 - Glass Channel - Front Door Channel - Renew	76.31.05	0.50
Range Rover Sport - Glass - Front Door - Renew	76.31.01	0.20	07	CVH500130
Range Rover Sport - Glass - Rear Door - Renew	76.31.02	0.80
Range Rover Sport - Motor - Regulator - Front Door - Renew	86.25.03	0.80
Range Rover Sport - Motor - Regulator - Rear Door - Renew	86.25.05	0.60
Range Rover Sport - Rubber/Felt - Glass Channel - Front Door - Renew	76.31.13	0.90
Range Rover Sport - Rubber/Felt - Glass Channel - Rear Door - Renew	76.31.14	0.70
Range Rover Sport - Glass Channel - Front Door Channel - Renew	76.31.05	0.50
Range Rover Sport - Finisher -Door Frame - Front - Renew	76.34.42	0.60
Range Rover Sport - Finisher -Door Frame - Rear - Renew	76.34.43	0.40

Normal warranty policies and procedures apply.

REPAIR PROCEDURE

SYMPTOM DRIVEN WINDOW REGULATOR DIAGNOSTICS

NOTE: Service Action Q093 (eligible vehicles only) or Technical Bulletin LTB00256 must be completed prior to undertaking any diagnosis and testing for rear door glass 'bounceback' concerns.

NOTE: Do not replace the window regulators unless you have followed the diagnostic process completely.

The Diagnosis and Testing procedures in TOPIx section 501-11: Glass, Frames and Mechanisms must be fully followed to prove the root cause of any issues to prevent the unnecessary replacement of fully functional components.

The Diagnosis and Testing procedures in TOPIx, section 501-11: Glass, Frames and Mechanisms , must be fully followed before the replacement of any components.

Refer to Workshop Manual, section 501-11: Glass, Frames, and Mechanisms , for diagnosis and testing of the customer concern(s).