Page 316 of 1007

ENGINE MANAGEMENT SYSTEM - SIEMENS
REPAIRS 18-3-11
5.Fit new Torx screws and wave washers, tighten
Torx screws to 1.5 Nm (1.1 lbf.ft).
6.Connect multiplug to TP sensor.
7.Operate throttle cable cam 2 or 3 times and
ensure that full travel to the throttle open and
the throttle closed positions is available.
8.Fit acoustic cover.
+ ENGINE - K SERIES KV6, REPAIRS,
Cover - engine acoustic.
9.Connect battery earth lead.
NOTE: A ‘throttle initialisation’ procedure
MUST be carried out using TestBook/T4
whenever the TP sensor is removed or
renewed.
Sensor - thermostat monitoring (TM) -
KV6 - NAS
$% 18.30.21
Remove
1.Disconnect battery earth lead.
2.Remove coolant expansion tank cap to release
pressure and refit cap.
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.Position absorbent cloth under TM sensor to
collect spillage.
4.Disconnect multiplug from TM sensor.
5.Release and remove sensor. Discard seal.
Refit
1.Clean sensor and mating face.
2.Using a new seal, fit and secure sensor.
3.Connect multiplug to sensor.
4.Remove absorbent cloth.
5.Check for leaks and fill expansion tank to 'MAX'
mark.
6.Connect battery earth lead.
M18 0764
Page 366 of 1007

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.
Page 367 of 1007
COOLING SYSTEM - K SERIES KV6
26-3-2 ADJUSTMENTS
19.Ensure warm air is available at vents.
NOTE: If warm air is not available, an air-lock
may be present in heater matrix. If necessary,
allow engine to cool, remove expansion tank
filler cap and repeat bleed operation at heater
hose
20.Switch off engine and allow to cool.
21.Check for leaks and top-up coolant to 'MAX'
mark on expansion tank
22.Fit underbelly panel.
+ EXTERIOR FITTINGS, REPAIRS,
Panel - underbelly.
23.Fit engine acoustic cover.
+ ENGINE - K SERIES KV6, REPAIRS,
Cover - engine acoustic.
Page 369 of 1007

COOLING SYSTEM - K SERIES KV6
26-3-4 REPAIRS
Radiator assembly
$% 26.40.01
Remove
1.Disconnect battery earth lead.
2.Remove engine acoustic cover.
+ ENGINE - K SERIES KV6, REPAIRS,
Cover - engine acoustic.
3.Drain cooling system.
+ COOLING SYSTEM - K SERIES KV6,
ADJUSTMENTS, Coolant - drain and refill.
4. Models without A/C: Remove bumper
valance.
+ EXTERIOR FITTINGS, REPAIRS,
Bumper - assembly - front - up to 04MY.
5. Models without A/C:Remove 2 bolts securing
PAS fluid cooler to armature.
6. Models without A/C: Remove 4 nuts and 4
bolts securing armature to body and remove
armature.
7. Models with A/C: Remove A/C condenser.
+ AIR CONDITIONING, REPAIRS,
Condenser.
8.Release clips and remove top and bottom
hoses.
CAUTION: Always fit plugs to open
connections to prevent contamination.
9.Release clip and remove expansion hose from
radiator.10. If fitted:Remove 2 bolts and 4 scrivets securing
LH and RH radiator baffles and remove baffles.
11.Remove radiator upper retaining pegs from
bonnet locking platform. Ease top of radiator
forward.
12.Remove 4 bolts securing fan cowl to radiator.
13.Remove 2 cowl retaining clips from radiator.
M26 0947
Page 370 of 1007

COOLING SYSTEM - K SERIES KV6
REPAIRS 26-3-5
14.Release radiator from lower mountings and
remove from vehicle.
15.Remove radiator upper mounting extension
brackets.
16.Remove 4 rubber mountings from radiator.Refit
1.Fit mounting rubbers to radiator.
2.Fit upper support brackets to radiator.
3.Position fan cowl to radiator, fit and tighten
bolts to 5 Nm (4 lbf.ft).
4.Secure fan cowl to radiator with clips.
5.Fit radiator and engage lower mountings in
chassis.
6.Fit radiator upper mountings to bonnet locking
platform.
7. If fitted:Position LH and RH radiator baffles,
secure with scrivets, fit and tighten top bolts to
5 Nm (4 lbf.ft).
8.Connect expansion tank hose and secure with
clip.
9.Connect bottom and top hoses to radiator
secure with clips.
10. Models with A/C: Fit A/C condenser.
+ AIR CONDITIONING, REPAIRS,
Condenser.
11. Models without A/C: Position armature, fit and
tighten 4 nuts and bolts securing armature to
body.
+ EXTERIOR FITTINGS, REPAIRS,
Bumper - assembly - front - up to 04MY.
12. Models without A/C: Align PAS fluid cooler
and tighten bolts to 8 Nm (6 lbf.ft).
13. Models without A/C: Fit bumper valance.
+ EXTERIOR FITTINGS, REPAIRS,
Bumper - assembly - front - up to 04MY.
14.Refill cooling system.
+ COOLING SYSTEM - K SERIES KV6,
ADJUSTMENTS, Coolant - drain and refill.
15.Fit acoustic cover.
+ ENGINE - K SERIES KV6, REPAIRS,
Cover - engine acoustic.
16.Connect battery earth lead.
M26 0946
Page 371 of 1007

COOLING SYSTEM - K SERIES KV6
26-3-6 REPAIRS
Thermostat
$% 26.45.01
Remove
1.Disconnect battery earth lead.
2.Drain cooling system.
+ COOLING SYSTEM - K SERIES KV6,
ADJUSTMENTS, Coolant - drain and refill.
3.Remove inlet manifold chamber.
+ MANIFOLDS & EXHAUST SYSTEMS
- K SERIES KV6, REPAIRS, Seals - inlet
manifold chamber - up to 03MY.
4.Remove 2 bolts securing RH fuel rail to inlet
manifold. Remove injector protection cover if
fitted.
5.Release 2 clips securing engine harness to rear
engine lifting bracket and bracket on RH inlet
manifold.
6.Release clip and disconnect bottom hose from
thermostat housing.
7.Loosen clip and disconnect heater hose from
thermostat housing.8.Release clip and disconnect top hose from
coolant elbow.
9.Remove bolt securing thermostat housing and
coolant elbow to cylinder block.
10.Remove coolant elbow from cylinder block.
11.Remove thermostat housing and coolant pipe
from cylinder block.
12.Release clip and remove coolant pipe from
thermostat housing.
13.Remove and discard 4 'O' rings from
thermostat housing, coolant elbow and coolant
pipe.
Refit
1.Lubricate new 'O' rings with rubber grease and
fit to sealing grooves in thermostat housing,
coolant elbow and coolant pipe.
2.Fit coolant pipe into thermostat housing, ensure
clip connectors are uppermost.
3.Position thermostat housing and coolant pipe
above cylinder block, engage coolant pipe in
cylinder block and press thermostat housing
firmly into position. Ensure mounting flange on
thermostat housing is aligned to bolt hole in
cylinder block.
4.Fit coolant elbow into cylinder block, press
firmly into place. Ensure mounting flange is
aligned correctly to thermostat housing flange.
5.Fit bolt to coolant elbow and thermostat
housing flanges. Tighten bolt to 18 Nm (13
lbf.ft).
6.Connect top hose to coolant elbow and secure
with clip.
7.Connect heater and bottom hoses to
thermostat housing, secure with clips.
8.Position and secure engine harness to brackets
with clips.
9.If fitted, position injector protection cover to RH
fuel rail, fit and tighten bolts to 9 Nm (7 lbf.ft).
10.Fit inlet manifold chamber.
+ MANIFOLDS & EXHAUST SYSTEMS
- K SERIES KV6, REPAIRS, Seals - inlet
manifold chamber - up to 03MY.
11.Fill cooling system.
+ COOLING SYSTEM - K SERIES KV6,
ADJUSTMENTS, Coolant - drain and refill.
12.Connect battery earth lead.
Page 372 of 1007
COOLING SYSTEM - K SERIES KV6
REPAIRS 26-3-7
Coolant pump
$% 26.50.01
Remove
1.Disconnect battery earth lead.
2.Drain cooling system.
+ COOLING SYSTEM - K SERIES KV6,
ADJUSTMENTS, Coolant - drain and refill.
3.Remove camshaft timing belt.
+ ENGINE - K SERIES KV6, REPAIRS,
Camshaft timing belt.
4.Remove and discard 7 bolts securing coolant
pump to cylinder block.
5.Release coolant pump from cylinder block and
remove.
6.Remove and discard 'O' ring from coolant
pump.Refit
1.Clean coolant pump and mating face of cylinder
block.
2.Lubricate new 'O' ring with rubber grease and fit
to coolant pump.
3.Fit coolant pump to cylinder block. Fit new bolts
and tighten progressively in the sequence
illustrated to 9 Nm (7 lbf.ft).
4.Fit camshaft timing belt.
+ ENGINE - K SERIES KV6, REPAIRS,
Camshaft timing belt.
5.Fill cooling system.
+ COOLING SYSTEM - K SERIES KV6,
ADJUSTMENTS, Coolant - drain and refill.
6.Connect battery earth lead.
Page 382 of 1007

MANIFOLDS & EXHAUST SYSTEMS - K SERIES KV6
REPAIRS 30-3-9
Gasket - exhaust manifold - RH - Non
NAS
$% 30.15.16
Remove
1.Disconnect battery earth lead.
2.Release RH HO2S multiplug from coolant rail
bracket and disconnect multiplug.
3.Remove bolt securing upper RH engine steady
to top arm.
4.Loosen bolt securing upper RH engine steady
to body, pivot engine steady away from top
arm.
5.Raise vehicle on a ramp.
6.Remove underbelly panel.
+ EXTERIOR FITTINGS, REPAIRS,
Panel - underbelly.
7.Remove exhaust front pipe.
+ MANIFOLDS & EXHAUST SYSTEMS
- K SERIES KV6, REPAIRS, Front pipe - Non
NAS.8.Remove bolt securing lower engine steady to
sump mounting bracket.
9.Loosen bolt securing lower engine steady to
subframe, pivot steady away from sump
mounting bracket.
10.Remove cable tie and release gear selector
cable from clip on body.
11.Remove 2 bolts securing IRD heat shield to
lower engine steady mounting bracket.
12.Remove nut securing heat shield to IRD pinion
housing.
13.Remove nut securing heat shield to IRD
housing and remove heat shield.
M30 0996
M12 6597