COOLING SYSTEM - K SERIES KV6
ADJUSTMENTS 26-3-1
COOLING SYS TEM - K SER IES KV6 ADJUST ME NTS
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.
