Volkswagen Touareg (2003 year). Manual — part 1
1
Technical data
Engine data
Engine number
The engine number („engine code“ and „serial number“) is stam‐
ped on the right side of the cylinder block.
Additionally there is a sticker on the toothed belt guard with „en‐
gine code“ and „serial number“.
The engine code is also included on the vehicle data sticker.
1.1
Engine data
Issued 11.2011; Version 6.0
Engine code
AXQ
BHX
Manufactured
03.03 ►
03.03 ►
Cylinder arrangement
V-engine
V-engine
Cylinder angle
90°
90°
Capacity
l
4.2
4.2
Output
kW at rpm
228/6200
228/6200
Torque
Nm at rpm
410/3200
410/3200
Bore
∅ mm
84.5
84.5
Stroke
mm
93.0
93.0
Compression ratio
11.0
11.0
Valves per cylinder
5
5
Injection, ignition
Motronic ME 7.1
Motronic ME 7.1
Firing order
1-5-4-8-6-3-7-2
1-5-4-8-6-3-7-2
Knock control
2 knock sensors
2 knock sensors
Lambda control
4 probes
4 probes
Leak diagnosis system
Only vehicles for USA and
Canada
yes
Catalytic converter
yes
yes
Exhaust gas recirculation
no
no
Turbocharging/supercharging
no
no
Secondary air system
yes
yes
Electronic power control
yes
yes
Variable intake manifold
yes
yes
Camshaft timing control
yes
yes
RON
min.
98 unleaded
98 unleaded
1) In exceptional circumstances min. 95 RON, however with reduced perform‐
ance.
Touareg 2003 ➤
1. Technical data
1
1
Removing and installing engine
Removing engine
.
Securing engine on engine and gearbox support -VAS 6095-
Notes on installing
Special tools and workshop
equipment required
♦ Lifting tackle -VAS 3033-
♦ Drip tray -V.A.G 1306-
♦ Engine and gearbox sup‐
port -VAS 6095-
♦ Workshop hoist -VAS
6100-
♦ Scissor-type assembly
platform -VAS 6131-
♦ Engine and gearbox jack -
V.A.G 1383 A-
Not illustrated:
♦ Left support -VAS 6131/6-1-
♦ Right support -VAS 6131/6-2-
♦ Left running gear support -VAS 6131/6-3-
♦ Right running gear support -VAS 6131/6-4-
♦ Support (Qty. 2) -VAS 6131/6-5-
♦ Support (Qty. 2) -VAS 6131/6-6-
♦ Support -VAS 6131/8-
Touareg 2003 ➤
2
1.1
Removing engine
The engine is removed from below with the gearbox
– Read fault memories of all control units before removal: ⇒
Diagnostic tester VAS 5051; Guided fault finding; Vehicle sys‐
tem test or VAS 5052; Vehicle self-diagnosis .
Note
♦
To enable the propshaft to rotate freely, move selector lever
to the „N“ position.
♦
Leave key in ignition to prevent steering wheel lock from en‐
gaging.
♦
It is advisable to remove the front wheels before beginning
engine removal. The vehicle can then be lowered on hoist until
the brake disc splash plates are just above the floor. This pro‐
vides the most ergonomic working position regarding acces‐
sibility of engine compartment components.
♦
Some components cannot be removed, or removed only with
difficulty, with the engine installed. Therefore, you should de‐
termine all defective components before removing engine and
renew them while engine is removed.
♦
To prevent damage to removed components, place them in
the container for removed parts -V.A.G 1698- .
♦
All cable ties which are opened or cut through when engine is
removed must be replaced in the same position when engine
is installed.
Disconnecting battery
The procedure must be strictly followed!
– Switch off ignition and all electrical consumers.
– First disconnect battery under driver seat ⇒ Electrical system;
Rep. gr. 27 ; Disconnecting and reconnecting batteries .
Procedure
– Remove left and right wiper arms: ⇒ Electrical system; Rep.
gr. 29 ; Removing and installing wiper system .
– Pull engine compartment seal off bulkhead.
– Remove covers -A-, -B- and -C- from engine compartment.
WARNING
Fuel supply lines are under pressure! Wear eye protection and
gloves to avoid injuries and skin contact. Before loosening
hose connections, wrap a cloth around the connection. Then
release pressure by carefully pulling hose off connection.
– Wrap a cloth around the joint to catch fuel which flows out.
Touareg 2003 ➤
1. Removing and installing engine
3
– Disconnect breather line -arrow- to solenoid valve in engine
compartment.
– Disconnect small connector -A- from engine control unit -1-
and disconnect earth connection -arrow- of wiring harness.
– Open fuse box cover in plenum chamber on left and separate
connectors -A-, -B- and -C-.
– Remove wiring harness from plenum chamber and lay it on
engine.
Touareg 2003 ➤
4
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