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< Removing and installing engine control unit
Leon Mk2
Power unit
4 cylinder Injection engine (1.4 litre direct injection engine, turbocharger and chain control)
Mixture preparation system, electronic inj.,Gas
Engine control unitJ623
Removing and installing the theft secured engine control unit
Removing and installing the theft secured engine control unit
Removing and installing the theft secured engine control unit
Special tools and workshop equipment required
t
Pliers
–
If you wish to renew the engine control unit, connect
→ Vehicle diagnostic tester
and carry out guided function „Renew control unit“.
Removal:
–
Switch ignition OFF.
–
Remove windscreen wiper arms
→ Electrical system; Rep. gr.92
.
–
Remove plenum chamber cover
→ General body repairs, exterior; Rep. gr.64
.
–
Remove plenum chamber bulkhead
→ General body repairs, exterior; Rep. gr.50
.
–
Raise engine control unit
-1-
in front area in
-direction of arrow-
.
–
Pull engine control unit forwards out of the side guides
-2-
.
–
Bend upwardly projecting tabs
-1-
of locking bar outwards.
–
Unscrew shear-head bolts
-arrows-
using a pair of pliers and remove locking bar
-3-
.
–
Slide connector locking devices
-1-
on engine control unit in
-direction of arrow-
and pull off both connectors.
Installation
Tightening torque of securing nuts for retaining frame: 6 Nm
–
Attach connectors to engine control unit and slide locking devices inwards until they engage.
–
Screw on a new locking bar
-3-
with new shear-head bolts
-2-
and tighten bolts uniformly until just before heads shear off.
Disregard item
-1-
.
–
Push engine control unit
-1-
into side guides
-2-
in the
-direction of arrow-
.
–
Install plenum chamber bulkhead
→ General body repairs; Rep. gr.50
.
–
Install plenum chamber cover
→ General body repairs, exterior; Rep. gr.64
.
–
Install windscreen wiper arms
→ Electrical system; Rep. gr.92
.
Power unit
4 cylinder Injection engine (1.4 litre direct injection engine, turbocharger and chain control)
Mixture preparation system, electronic inj.,Gas
Engine control unitJ623
Removing and installing the theft secured engine control unit
Exhaust system >
< Removing and installing engine control unit