Workshop Manuals Factory service & repair Land Rover
01 General and service information02 Engine03 Fuel, emissions and engine management04 Cooling system05 Manifolds and exhaust06 Transmission and axles07 Steering and suspension08 Brakes09 Wheels and tyres10 Body, trim and restraints11 Heating and air conditioning12 Electrical and instruments13 Service and recall actions
Land Rover Defender Technical Bulletins04 · Cooling system
04 · Engine

Coolant fill-supplementary service

Make
Land Rover
Model
Defender Technical Bulletins
Section
Coolant fill-supplementary service › Coolant fill-supplementary service
Cooling systemCoolant fill-supplementary service

COOLANT FILL-SUPPLEMENTARY SERVICE

Model
Range Rover Discovery Defender
Affected vehicles
All 300 Tdi Diesel from LJ 081991 - LH 647645 and LD 939976
Date
1994-09-15
Reference
15/09/94
Coolant Fill-Supplementary Service – bulletin page 1

Bulletin text

Coolant Fill-Supplementary Service Information

MODEL AFFECTED VEHICLES

Range Rover All 300 Tdi Diesel from LJ 081991 - LH 647645 and Discovery Defender LD 939976

DETAIL

To ensure that the correct procedure is followed when refilling or topping up the cooling system, the procedure below should be followed to avoid trapping air in the system. This detail is provided as supplementary information to the Workshop Manual. If the coolant system is not filled correctly, air locks may be present, this may cause local overheating and subsequent engine damage could result.

ACTION REQUIRED

Whenever fluid is drained from the cooling system or it is necessary to refill the complete system after rectification of a leak follow the re-filling procedure below.

PARTS INFORMATION

Not applicable.

PROCEDURE

ALL DIESEL DERIVATIVES: 1) Remove the plastic plugs from the thermostat housing and radiator. Remove the expansion tank filler cap. CAUTION: Do not remove caps or plugs whilst the cooling system is hot. 2) Fill the cooling system with water/antifreeze mix (50%-50%). Filling from the expansion tank until the radiator is full (seen through the plastic plug hole on top of the radiator) until the level in the expansion tank is the same as that in the radiator. Note: care should be taken to avoid excess coolant spillage from the radiator. 3) Replace the plastic plug in the radiator. DEFENDER AND DISCOVERY ONLY: 4) Add an additional 1 litre of coolant to the expansion tank and allow to settle. ALL DIESEL DERIVATIVES: 5) Refit the expansion tank cap and thermostat housing plug. 6) Run the engine for 5 minutes. 7) Check coolant level in expansion tank level post and top up as necessary. CAUTION: Do not remove caps or plugs whilst the cooling system is hot.

15/09/94

10/02/94/EN

WARRANTY

Not applicable.

COMP. CODE

Not applicable

SRO

Not applicable

Parts & tools for this job For Land Rover Defender

Links open Amazon search results in a new tab. As an Amazon Associate I earn from qualifying purchases.