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COOLING SYSTEM - K SERIES KV6

ADJUSTMENTS

26-3-1

COOLING SYSTEM - K SERIES KV6

ADJUSTMENTS

Coolant - drain and refill

$% 26.10.01

Drain

1. Remove engine acoustic cover.

 

 + 

 ENGINE - K SERIES KV6, REPAIRS, 

Cover - engine acoustic.

2. Visually check engine and cooling system for 

signs of coolant leaks.

WARNING: Since injury such as scalding 
could be caused by escaping steam or 
coolant, do not remove the filler cap from 
the coolant expansion tank while the 
system is hot.

3. Examine hoses for signs of cracking, distortion 

and security of connections.

4. Remove expansion tank filler cap.
5. Remove underbelly panel.

 

 + 

 EXTERIOR FITTINGS, REPAIRS, 

Panel - underbelly.

6. Position container to collect coolant.

7. Remove cylinder block drain plug.

8. Release clip and remove bottom hose from 

radiator.

9. Allow cooling system to drain.

Refill

1. Flush system with water under low pressure. 

Do not use water under high pressure as it 
could damage the radiator.

2. Clean cylinder block drain plug and apply 

sealant, Part No. STC 50552 to first 3 threads.

3. Fit cylinder block drain plug and tighten to 20 

Nm (15 lbf.ft).

4. Fit bottom hose to radiator and secure with clip.
5. Prepare coolant to required concentration.

 

 + 

 CAPACITIES, FLUIDS, 

LUBRICANTS AND SEALANTS, Fluids.

6. Remove bleed screw from heater return hose.
7. Slowly fill the system through the coolant 

expansion tank until a steady flow of coolant is 
emitted from the bleed hole.

8. Fit and close bleed screw in heater return hose.
9. Continue to fill system through the expansion 

tank until coolant reaches to the base of the 
expansion tank bleed hose.

10. Fit expansion tank filler cap.
11. Start and run engine at idle speed for 5 

minutes.

CAUTION: DO NOT operate air conditioning

12. Switch off engine.
13. Squeeze bottom hose several times to remove 

any trapped air.

14. Start engine and run at speeds varying 

between idle speed and 3500 rev/min for 7 
minutes.

15. Switch off engine and allow to cool.
16. Remove expansion tank filler cap and add 

coolant until it reaches the 'MAX' mark on the 
expansion tank.

17. Fit expansion tank filler cap.
18. Start and run engine until normal operating 

temperature is reached.

CAUTION: The bottom hose must be warm/
hot, this will ensure the thermostat is fully 
open.

COOLING SYSTEM - K SERIES KV6 > ADJUSTMENTS > Coolant - drain and refill

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