Page 297 of 1007
EMISSION CONTROL
17-1-6 REPAIRS
Valve - canister purge - K1.8
$% 17.15.39
Remove
1.Disconnect battery earth lead.
2.Disconnect multiplug from purge control valve.
3.Disconnect quick release hose connector on
purge control valve.
CAUTION: Always fit plugs to open
connections to prevent contamination.
4.Release clip and disconnect purge hose from
inlet manifold.
5.Release clip and slide purge control valve off
from bracket.Refit
1.Position purge control valve onto bracket.
2.Connect purge hose to inlet manifold and
secure with clip.
3.Connect quick release hose connector to purge
control valve.
4.Connect multiplug to purge control valve .
5.Connect battery earth lead.
Page 298 of 1007
EMISSION CONTROL
REPAIRS 17-1-7
Valve - EGR - Td4
$% 17.45.01
Remove
1.Disconnect battery earth lead.
2.Remove intake ducting assembly.
+ FUEL DELIVERY SYSTEM - DIESEL,
REPAIRS, Ducting - intake assembly.
3.Disconnect vacuum hose from EGR valve.
4.Loosen screw and remove clamp EGR pipe to
valve.
5.Remove 4 bolts and EGR valve. Discard seal.Refit
1.Clean EGR valve and mating face on inlet
manifold.
2.Clean EGR pipe flange and EGR valve mating
face.
3.Fit new seal to inlet manifold.
4.Fit EGR valve and tighten bolts evenly to 10 Nm
(7.5 lbf.ft).
5.Fit EGR pipe clamp and tighten screw.
6.Connect vacuum hose to EGR valve.
7.Fit intake ducting assembly.
+ FUEL DELIVERY SYSTEM - DIESEL,
REPAIRS, Ducting - intake assembly.
8.Connect battery earth lead.
Page 299 of 1007
EMISSION CONTROL
17-1-8 REPAIRS
Solenoid/modulator valve - EGR - Td4
$% 17.45.04
Remove
1.Disconnect battery earth lead.
2.Remove inlet manifold gaskets.
+ MANIFOLDS & EXHAUST SYSTEMS
- Td4, REPAIRS, Gaskets - induction
manifold.
3.Disconnect multiplug from EGR solenoid valve.
4.Remove 2 bolts securing EGR solenoid bracket
to cylinder block.
5.Identify and disconnect vacuum hoses.
6.Remove 2 nuts and remove EGR solenoid
valve from bracket.Refit
1.Fit EGR solenoid valve to bracket and secure
with nuts.
2.Position EGR solenoid valve, identify and
connect vacuum hoses and tighten bolts to 10
Nm (7.5 lbf.ft).
3.Connect multiplug to EGR solenoid valve.
4.Fit inlet manifold gaskets.
+ MANIFOLDS & EXHAUST SYSTEMS
- Td4, REPAIRS, Gaskets - induction
manifold.
5.Connect battery earth lead.
Page 300 of 1007

EMISSION CONTROL
REPAIRS 17-1-9
Thermal valve - exhaust gas
recirculation (EGR) - Td4 Automatic
transmission (hot climates) - from 03 MY
$% 17.45.07
Remove
1.Disconnect the battery earth lead.
2.Release thermal valve coolant hose from clips.
3.Position container to collect coolant.
4.Release 3 clips securing coolant hoses to the
EGR thermal valve.
5.Disconnect coolant hoses from the EGR
thermal valve and remove the thermal valve.
Refit
1.Position the EGR thermal valve and connect
coolant hoses.
2.Secure hoses with clips.
3.Fit thermal valve coolant hose into clips.
4.Connect the battery earth lead.
5.Refill the cooling system.
+ COOLING SYSTEM - Td4,
ADJUSTMENTS, Coolant - drain and refill.
Cooler - EGR - Td4
$% 17.45.40
Remove
1.Disconnect battery earth lead.
2.Remove camshaft cover.
+ ENGINE - Td4, REPAIRS, Gasket -
camshaft cover.
3.Mark EGR pipe and cooler to aid refit.
4.Loosen clamps EGR pipes to cooler and move
clamps aside.
5.Remove pipe, EGR cooler to EGR valve.
6.Remove bolt securing fuel rails to support
bracket.
7.Remove bolt securing turbocharger outlet pipe
to support bracket.
8.Remove underbelly panel.
+ EXTERIOR FITTINGS, REPAIRS,
Panel - underbelly.
M170364
M17 0283
Page 301 of 1007

EMISSION CONTROL
17-1-10 REPAIRS
9.Remove bolt securing turbo outlet pipe to upper
coolant rail.
10.Remove 2 bolts securing pipe support bracket
to engine lifting bracket, remove support
bracket.
11.Release clip and remove vacuum hose.
12.Remove 3 bolts securing EGR cooler to
cylinder head and lifting bracket.13.Lift EGR cooler from mounting and position a
container beneath coolant hoses.
14.Release clips and remove hoses from EGR
cooler allow coolant to drain.
15.Remove EGR cooler.
Refit
1.Position EGR cooler, connect coolant hoses
and fit clips.
2.Position EGR cooler to mounting, fit bolts and
tighten to 25 Nm (18 lbf.ft).
3.Position pipe support bracket to engine lifting
bracket, fit and tighten bolts to 25 Nm (18 lbf.ft).
4.Fit vacuum hose and tighten clip.
5.Fit bolt securing turbocharger pipe to coolant
rail and tighten to 25 Nm (18 lbf.ft).
6.Fit underbelly panel.
+ EXTERIOR FITTINGS, REPAIRS,
Panel - underbelly.
7.Fit bolt securing turbocharger outlet pipe to
support bracket and tighten to 10 Nm (7.5
lbf.ft).
8.Fit bolt securing fuel rails to support bracket
and tighten to 10 Nm (7.5 lbf.ft).
9.Align EGR pipe to cooler fit clamp, but do not
fully tighten until camshaft cover is refitted.
10.Fit EGR pipe clamp and tighten screw.
11.Fit camshaft cover.
+ ENGINE - Td4, REPAIRS, Gasket -
camshaft cover.
12.Connect battery earth lead.
13.Top up cooling system.
+ MAINTENANCE, MAINTENANCE,
Cooling System and Intercooler.
Page 302 of 1007

EMISSION CONTROL
REPAIRS 17-1-11
Module - tank leakage diagnostic (DMTL)
$% 17.45.41
Remove
1.Disconnect battery earth lead.
2.Remove RH rear wheel arch liner.
+ EXTERIOR FITTINGS, REPAIRS,
Liner - rear wheel arch.
3.Release and disconnect pipes from charcoal
canister and DMTL.
CAUTION: Before disconnecting or
removing components, ensure the
immediate area around joint faces and
connections are clean. Plug open
connections to prevent contamination.
4.Remove 2 bolts securing canister support
bracket and release assembly from mounting.
5.Disconnect multiplug from DMTL and remove
canister and valve assembly.6.Release clip and disconnect hose from DMTL.
CAUTION: Before disconnecting or
removing components, ensure the
immediate area around joint faces and
connections are clean. Plug open
connections to prevent contamination.
7.Remove 3 screws and remove DMTL.
Refit
1.Fit DMTL and secure with screws.
2.Connect hose and secure with clip.
3.Position canister assembly and connect
multiplug.
4.Fit canister assembly to mounting and tighten
bolts to 4 Nm (3 lbf.ft).
5.Connect pipes to DMTL and canister.
6.Fit wheel arch liner.
+ EXTERIOR FITTINGS, REPAIRS,
Liner - rear wheel arch.
7.Connect battery earth lead.
Page 303 of 1007

EMISSION CONTROL
17-1-12 REPAIRS
Filter - fuel leak detection pump - KV6 -
NAS
$% 17.45.42
Remove
1.Disconnect battery earth lead.
2.Remove RH rear wheel arch liner.
+ EXTERIOR FITTINGS, REPAIRS,
Liner - rear wheel arch.
3.Remove nut and release filter from bracket.
4.Release clip and remove filter from pipe.
CAUTION: Before disconnecting or
removing components, ensure the
immediate area around joint faces and
connections are clean. Plug open
connections to prevent contamination.
Refit
1.Fit filter to pipe and secure with clip.
2.Fit filter to bracket and tighten nut to 3 Nm (2.2
lbf.ft).
3.Fit wheel arch liner.
+ EXTERIOR FITTINGS, REPAIRS,
Liner - rear wheel arch.
4.Connect battery earth lead.
Catalytic converter - RH - KV6 - NAS
$% 17.50.01
Remove
1.Position vehicle on 4 post ramp.
2.Disconnect battery earth lead.
3.Remove engine acoustic cover.
+ ENGINE - K SERIES KV6, REPAIRS,
Cover - engine acoustic.
4.Release pre catalyst H02S harness from clips.
5.Release and disconnect HO2S multiplug.
6.Remove intermediate pipe and silencer.
+ MANIFOLDS & EXHAUST SYSTEMS
- K SERIES KV6, REPAIRS, Intermediate
pipe - NAS.
7.Remove 3 bolts and remove LH heat shield.
M19 3484
Page 304 of 1007

EMISSION CONTROL
REPAIRS 17-1-13
8.Remove 2 bolts and remove RH heat shield.
9.Release post catalyst HO2S harness from
clips.
10.Release and disconnect post catalyst HO2S
multiplug.
11.Remove 2 bolts securing pipe clamp and
remove clamp.12.Remove 2 nuts securing catalyst, remove
catalyst and discard gasket.
NOTE: Do not carry out further dismantling if
component is removed for access only.
13.Identify and remove both H02S from catalyst.
Refit
1.Clean H02S and mating faces.
2.Fit both H02S and tighten to 55 Nm (40 lbf.ft).
3.Clean catalyst and mating face.
4.Using a new gasket, fit catalyst and fit nuts but
do not tighten at this stage.
5.Fit clamp, fit bolts but do not tighten at this
stage.
6.Connect post catalyst H02S multiplug and fit to
bracket.
7.Fit harness into clips.
8.Fit heat shields and tighten bolts to 10 Nm (7
lbf.ft).
9.Fit intermediate pipe and silencer.
+ MANIFOLDS & EXHAUST SYSTEMS
- K SERIES KV6, REPAIRS, Intermediate
pipe - NAS.
10.Tighten nuts securing catalyst to manifold to 50
Nm (37 lbf.ft).
11.Tighten bolts securing clamp to 10 Nm (7 lbf.ft).
12.Connect pre catalyst H02S multiplug and fit to
bracket.
13.Fit harness into clips.
14.Fit acoustic cover.
+ ENGINE - K SERIES KV6, REPAIRS,
Cover - engine acoustic.
15.Connect battery earth lead.
M19 3482