Transmission Oil Cooler Pipe Leak (LTB00378NAS4)
WARNING: This page is about the LR4 Base, which is a different variant/trim than selected.
Publication date: 2017-02-06Reference number: LTB00378NAS4
TRANSMISSION OIL COOLER PIPE LEAK
TECHNICAL SERVICE BULLETIN
Reference Number(s): LTB00378NAS4, Date of Issue:
February 06, 2017
| LAND ROVER: | 2010-2016 LR4 (LA); 2010-2013 Range Rover Sport (LS) |
| SECTION: | 307-02C |
| AFFECTED VEHICLES: | Model: LR4 (LA) Model Year: 2010-2016 Vin: 510178-791568 Assembly Plant: Solihull; Model: Range Rover Sport (LS) Model Year: 2010-2013 Vin: 212145-814820 Assembly Plant: Solihull |
MARKETS
NAS
CONDITION SUMMARY
SITUATION:
The transmission oil cooler pipe(s) may exhibit a leak.
CAUSE:
This may be caused by poor bracket paint finish and/or low torque on the saddle clamp nut allowing the pipes to rub through the paint.
ACTION:
Should a customer express this concern, follow the Service Instruction outlined below.
PARTS
PARTS INFORMATION
| PART NUMBER | DESCRIPTION | QUANTITY: |
|---|---|---|
| LR031886 | Aluminum Saddle Clamp | 1 |
| LR031887 | Aluminum Plate | 1 |
| LR078964 | Oil Cooler Pipe (inlet) | 1 |
| LR078965 | Oil Cooler Pipe (outlet) | 1 |
| LR013730 | Nut | 1 |
TOOLS
Refer to Workshop Manual for any required special tools.
WARRANTY
NOTE:
A small quantity of transmission fluid (Shell M1375.4 [Land Rover part number TYK500050]) may be required dependent on the amount of fluid loss during replacement of the pipes. Claim using 'ZZZ001' to cover the cost of the fluid, reflecting the amount of fluid displaced during the repair.
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 TOPIx 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 |
|---|---|---|---|---|
| Hoses/pipes - Feed and return - Intermediate and bracket - Renew - LR4 (L319; V6 3.0L S/C Petrol) | 44.24.89.40 | 1.10 | D4 | ESR2806 |
| Hoses/pipes - Feed and return - Intermediate and bracket - Renew - LR4 (L319; V8 5.0L Petrol) | 44.24.89.40 | 1.30 | D4 | ESR2806 |
| Hoses/pipes - Feed and return - Intermediate and bracket - Renew - Range Rover Sport (L320; V8 5.0L Petrol; V8 5.0L S/C Petrol) | 44.24.89.40 | 1.10 | D4 | ESR2806 |
NOTE:
Normal Warranty procedures apply.
SERVICE INSTRUCTION
- Raise and support the vehicle (see TOPIx Workshop Manual section 100-02: Jacking and Lifting - Lifting).
- Remove the engine undershield (see TOPIx Workshop Manual section 501-02: Front End Body Panels - Engine Undershield).
- Remove the radiator undershield.
- Remove the four (4) bolts.
-
NOTE: Use a suitable container to catch any transmission fluid spillage.
Release the two transmission fluid pipes.
- Remove and discard the securing nut and securing clamp.
-
NOTE: Use a suitable container to catch any transmission fluid spillage.
Remove and discard the two transmission fluid pipes.
- Install the new aluminum plate.
- Install the two new transmission fluid pipes.
- Torque: 16Nm .
- Install the two transmission fluid pipes.
- Install the new securing clamp and retaining nut.
- Torque: 10Nm .
- Install the new securing clamp and retaining nut.
- Check, and if required top up, the transmission fluid (see TOPIx Workshop Manual section 307-01: Automatic Transmission/Transaxle - Transmission Fluid Level Check).
- Install the radiator undershield.
- Install 1 the four (4) bolts.
- Torque: 10Nm .
- Install 1 the four (4) bolts.
- Install the engine undershield (see TOPIx Workshop Manual section 501-02: Front End Body Panels - Engine Undershield).
- Lower the vehicle.






