Defender. Manual — part 136
Glow Plug System - 2.4L Duratorq-TDCi HPCR (103kW/140PS) - Puma -
Glow Plug
Removal and Installation
Removal
1. Disconnect the battery ground cable.
For additional information, refer to:
Battery Disconnect and
Connect
(414-01 Battery, Mounting and Cables, General
Procedures).
2. Remove the intake manifold.
For additional information, refer to:
Intake Manifold
(303-01
Engine - 2.4L Duratorq-TDCi HPCR (103kW/140PS) - Puma,
In-vehicle Repair).
3. Release the glow plug wiring harness.
Remove the 4 nuts.
4. Remove the glow plugs.
Installation
1. To install, reverse the removal procedure.
Tighten to 13 Nm (10 lb.ft).
2. Tighten to 2 Nm (1 lb.ft).
2. Tighten to 2 Nm (1 lb.ft).
Engine Emission Control - 2.4L Duratorq-TDCi HPCR (103kW/140PS) -
Puma -
Description
Nm
lb-ft
Exhaust gas recirculation (EGR) valve to EGR valve outlet tube bolts
10
7
EGR valve to EGR cooler bolts
23
17
Exhaust manifold to EGR cooler bolts
23
17
EGR valve outlet tube to cylinder block bolt
23
17
Engine Emission Control - 2.4L Duratorq-TDCi HPCR (103kW/140PS) -
Puma - Engine Emission Control
Description and Operation
exhaust gas recirculation (EGR) COMPONENT LOCATION
Item
Part Number
Description
1
-
manifold absolute pressure (MAP) sensor (shown for location purposes only)
2
-
EGR valve
3
-
EGR cooler
4
-
Gas transfer and mixer pipes
OVERVIEW
The EGR system comprises:
EGR modulator
EGR cooler
Gas transfer pipe and mixer
The EGR cooler receives exhaust gas directly from the exhaust manifold, where it is cooled by a water matrix which is
integrated into the overall engine cooling system.. Attached to the Cool side of the cooler is the EGR valve. This valve is
motor driven – controlled by the engine control module (ECM) to provide varying amounts of EGR recirculation
depending on the engine operation. At engine switch off the valve opens and closes several times to clear any deposits
which may have accumulated during running.
The EGR pipe transports the cooled gas to the mixer where it is blended into to the incoming air stream.
The ECM monitors the EGR system function and stores fault codes in the event of failure. The EGR valve can also be
activated for testing using the Land Rover recommended diagnostic tool.
CRANKCASE VENTILATION COMPONENT LOCATION
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