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Exhaust gas recirculation system >
< Exhaust gas recirculation
Leon Mk1
Power unit
4-cylinder engine (2.0l 4V, TDI Common Rail)
Exhaust system
Exhaust temperature control
Removing and installing the Exhaust gas temperature sender 4G648 in vehicles with automatic gearbox
Removing and installing the Exhaust gas temperature sender 4 -G648- in vehicles with automatic gearbox
t
Removing
→ Anchor
t
Installing
→ Anchor
Consult the equivalence table for tools and equipment according to applicability among Seat / VW / Audi / Skoda
→ Chapter
.
Special tools and workshop equipment required
t
Wrench kit 17 mm -T10395-, see equivalent
→ Anchor
Removing
–
Disconnect the engine cover
-arrow-
.
–
Disconnect connector
-arrow-
on exhaust temperature gas 4 -G648- from mount.
–
Unfasten quick release fasteners
-1 ... 3-
and detach noise insulation (front and rear).
–
Unscrew the bolt
-2-
from the front exhaust pipe bracket.
Note
Ignore position
-1-
.
–
Unscrew nuts
-arrows-
at front exhaust pipe.
–
Loosen clamp
-arrow-
and push to rear.
–
Remove the exhaust primary tube.
–
Place the telescope support of the Engine and gearbox jack -VAG 1383A- under the gearbox with the inserted block of wood
-1-
and support the gearbox.
–
First unscrew bolts
-1-
and
-2-
, and then bolts
-3-
and
-4-
.
–
Lower the gearbox using engine and gearbox jack -VAG 1383A- as far as measurement
-a-
.
l
Dimension
-a-
= 80 mm (maximum)
–
Unscrew the exhaust gas temperature sender 4 -G648- using the e/c 17 socket -T10395/2- when considering the position for re-installing.
–
Disconnect cable strap
-1-
and
-2-
on exhaust temperature sensor 4 -G648-.
Installing
Installation is carried out in reverse order. The following should be taken into account:
–
Insert the exhaust temperature sensor 4 -G648- when considering the fitting position, tightening torque with the e/c 17 mm socket -T10395/2-. 45 Nm.
–
Mount the cable of the exhaust temperature sensor 4 -G648- and fix with clamps
-1-
and
-2-
.
Note
The cable clamps must be installed in their same place again.
–
Lift the gearbox using engine and gearbox jack -VAG 1383A- and position the tunnel cross member on the body.
t
Always replace the bolts M12
-item 3-
and
-item 4-
, tightening torque: 110 Nm + 90º (is equivalent to a quarter turn).
t
Bolts M10
-item 1-
and
-item 2-
, tightening torque: 65 Nm.
–
Install the exhaust pipe
→ Chapter
.
Power unit
4-cylinder engine (2.0l 4V, TDI Common Rail)
Exhaust system
Exhaust temperature control
Exhaust gas recirculation system >
< Exhaust gas recirculation