# Service bulletin LTB01003NAS1

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 10097170
- Published by NHTSA: 2017\-04\-11
- Manufacturer's number: LTB01003NAS1
- Manufacturer's date: 2016\-10\-31
- NHTSA component: ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY

## NHTSA's summary

SITUATION: COOLANT MAY BE EVIDENT LEAKING FROM ONE OR BOTH OF THE AUXILIARY RADIATORS BEHIND THE FRONT BUMPER.

## The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

## Components

Engine, Cooling system, Radiator

## Vehicles listed

- 2014 to 2017 LAND ROVER RANGE ROVER

## Other bulletins for the same vehicles and component

- [Q342NAS2](/bulletins/10204907.md), 2021-12-13, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY. Technical Bulletin: Main Cooling Radiator Leak
- [SSM73678](/bulletins/10138752.md), 2018-05-29, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Issue: Unexpected noise from Head\-Up Display \(HUD\)
- [LTB00671NAS6](/bulletins/10106271.md), 2017-06-13, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM; ENGINE. SITUATION: THE ENGINE MALFUNCTION INDICATOR LAMP \(MIL\) MAY BE ILLUMINATED. UPON DIAGNOSIS, THE TECHNICIAN MAY FIND ONE OR MORE DIAGNOSTIC TROUBLE CODE \(DTC\), LISTED IN THE TABLE BELOW AND RELEVANT TO THE HEATED OXYGEN SENSORS \(HO2S\), MAY BE STORED IN THE ENGINE CONTROL MODULE \(ECM\).
- [LTB00754NAS1](/bulletins/10105444.md), 2017-06-07, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM. "SITUATION: THE ENGINE MALFUNCTION INDICATOR LAMP \(MIL\) MAY BE ILLUMINATED AND DIAGNOSTIC TROUBLE CODE \(DTC\) P007B\-00 STORED IN THE ENGINE CONTROL MODULE \(ECM\) WITH NO OTHER VEHICLE SYMPTOMS PRESENT. CAUSE: THIS MAY BE CAUSED BY A CHARGE AIR COOLANT PUMP COMPATIBILITY ISSUE."
- [SSM72008](/bulletins/10105341.md), 2017-06-07, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM. "ISSUED MARCH 2015. ISSUE: LOW COOLANT MESSAGE DISPLAYED. A COOLANT LEAK IS FOUND FROM THE SEAM ON COOLANT PIPE \(LR018275\). SEE THE ATTACHED FILE FOR AN EXAMPLE OF THE LEAK LOCATION. CAUSE: A PROCESS ISSUE AT COMPONENT SUPPLIER."
- [Q496NAS1](/bulletins/10105021.md), 2017-06-07, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM. "SITUATION: AN ISSUE HAS BEEN IDENTIFIED ON A LIMITED NUMBER OF 2015 MODEL YEAR RANGE ROVER SPORT \(L494\) AND RANGE ROVER \(L405\) VEHICLES WHERE A 'LOW COOLANT' WARNING IS ILLUMINATED ON THE INSTRUMENT CLUSTER DUE TO COOLANT LEAKING THROUGH THE LOWER PART OF THE COOLANT EXPANSION TANK. ACTION: RETAILERS ARE REQUIRED TO HOLD ONLY AFFECTED NEW VEHICLES THAT ARE WITHIN YOUR CONTROL AND REFRAIN FROM RELEASING THE VEHICLES FOR NEW VEHICLE SALE PENDING COMPLETION OF THE SERVICE INSTRUCTION DETAILED IN THIS TECHNICAL BULLETIN."
- [LTB00352NAS6](/bulletins/10104441.md), 2017-06-06, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM. "SITUATION: THE FLUID LEVEL IN THE ENGINE COOLANT SYSTEM EXPANSION TANK MAY FALL BELOW THE MINIMUM LEVEL OVER A PERIOD OF TIME OR A ‘LOW COOLANT LEVEL’ MESSAGE IS DISPLAYED IN THE MESSAGE CENTER. UPON INSPECTION, A LEAK MAY BE FOUND TO BE FROM THE FRONT OF THE ENGINE\-DRIVEN COOLANT PUMP, TOGETHER WITH EXCESSIVE WEAR OF THE COOLANT PUMP BEARING."
- [SSM72008](/bulletins/10102704.md), 2017-06-02, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM. "ISSUE: LOW COOLANT MESSAGE DISPLAYED. A COOLANT LEAK IS FOUND FROM THE SEAM ON COOLANT PIPE \(LR018275\). SEE THE ATTACHED FILE FOR AN EXAMPLE OF THE LEAK LOCATION. CAUSE: A PROCESS ISSUE AT COMPONENT SUPPLIER."
- [Q366 UPS0514\-2BN](/bulletins/10101444.md), 2017-05-31, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM; ENGINE AND ENGINE COOLING. "SITUATION: AN ISSUE HAS BEEN IDENTIFIED WITH CERTAIN 2014 MODEL YEAR LR4, RANGE ROVER SPORT, AND RANGE ROVER VEHICLES WHERE THE CORRECT SPECIFICATION ENGINE OIL \(5W\-20\) HAS BEEN WRONGLY MIXED WITH COLD\-CLIMATE ENGINE OIL \(0W\-30\). THIS INCORRECT MIXING MAY RESULT IN EMULSIFICATION OF THE ENGINE OIL, POTENTIALLY LEADING TO PERFORMANCE ISSUES WITH THE ENGINE LUBRICATION SYSTEMS. ACTION: RETAILERS ARE REQUIRED TO HOLD ALL AFFECTED VEHICLES WITHIN THE LISTED VIN RANGE THAT ARE IN THEIR CONTROL AND REFRAIN FROM RELEASING THE VEHICLES FOR NEW OR USED VEHICLE SALE PENDING COMPLETION OF THE REWORK ACTION DETAILED IN THIS TECHNICAL BULLETIN."
- [SGI14\-07](/bulletins/10101061.md), 2017-05-30, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM. "DESCRIPTION AN ISSUE HAS BEEN IDENTIFIED ON A LIMITED NUMBER OF 2014 MODEL YEAR LAND ROVER LR4, RANGE ROVER SPORT AND RANGE ROVER VEHICLES WITHIN THE LISTED VIN RANGES WHERE THE CORRECT SPECIFICATION ENGINE OIL \(5W\-20\) HAS BEEN WRONGLY MIXED WITH COLD\-CLIMATE ENGINE OIL \(0W\-30\). THIS INCORRECT MIXING MAY RESULT IN EMULSIFICATION OF THE ENGINE OIL, POTENTIALLY LEADING TO PERFORMANCE ISSUES WITH THE ENGINE LUBRICATION SYSTEMS."

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