Overheating - air in cooling system •

OVERHEATING - AIR IN COOLING SYSTEM •

Model

Freelander 1.8

Affected vehicles

All vehicles with ‘K’ Series engine

Date

2000-03-08

Reference

Bulletin 0004, CDS ref L8588bu

Bulletin text

Freelander 1.8

AFFECTED RANGE:

All vehicles with ‘K’ Series engine

PROBLEM:

OVERHEATING - AIR IN COOLING SYSTEM

Incorrect diagnosis leading to engine replacement. • Engine overheating following any repair or service which involved disturbance • of the cooling system.

CAUSE:

Incorrect cooling system air bleed procedure.

ACTION:

To enable a complete air bleed, following any cooling system disturbance or coolant replacement, it is vital that the correct procedure is followed.

Follow the Workshop Manual - Drain and Refill procedure, (repair number 26.10.01) , with emphasis on the following items:

NOTE:

The following item (1) is additional and will be added to all Workshop Manual future issues.

1. Locate the inlet manifold bleed (arrowed in photo) and remove bleed hose from valve. Connect suitable tube to valve spout and blow through to ensure valve pin is not sticking. Discard tube and refit bleed hose when done. See ‘ADDITIONAL NOTE’.

2. Ensure all hose connections are tight.

3. Prepare the recommended coolant required concentration, see Manual - INFORMATION - FLUIDS section.

Bulletin N o : 0004 L8588bu 1 08.03.2000

valve

to

4. Remove bleed screw and sealing washer from coolant rail (arrowed in illustration).

5. Slacken bleed screw at heater hose by 2 complete turns.

6. Fill system slowly until a steady flow of coolant is emitted from the two bleed holes.

7. Refit bleed screw to coolant rail and tighten to 9 Nm, (ensure sealing washer is re-fitted). Tighten heater hose screw carefully by hand.

8. Continue filling system until coolant level reaches ‘MAX’ mark on expansion tank.

9. Fit expansion tank filler cap.

10. Start and run engine until radiator cooling fan operates.

11. Switch off engine and allow to cool.

12. Check for leaks and top-up coolant to ‘MAX’ mark on expansion tank. NOTE: It may be necessary to remove the filler cap to check the coolant level.

ADDITIONAL NOTE: Inlet manifold bleed valve pins are prone to sticking to their seats, freeing this pin will allow air to bleed from the cylinder head during coolant fill.

PARTS INFORMATION:

Not applicable

WARRANTY CLAIMS: Not applicable

bleed