seat Workshop Repair Guides

SEAT Workshop Service and Repair Manuals

ABOUT US
Pressure differential senderG505: Removing and installing > < Lambda probe and pressure differential sender

Leon Mk2

Lambda probeG39 withheating for the lambda probeZ19 Removing and installing
Lambda probe -G39- withheating for the lambda probe -Z19- Removing and installing
t  Lambda probe -G39- withheating for the lambda probe -Z19- Removing → Anchor
t  Lambda probe -G39- withheating for the lambda probe -Z19- 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  Socket wrench 22 mm -T20202A-, see equivalent → Anchor
  L26-10001
t  Torque wrench (5 - 50 Nm) -V.A.G 1331-, see equivalent → Anchor
  W00-0427
Removing .
–  Remove the engine cover upwards -arrows-.
  E10-10085
–  Disconnect electrical connection -4- for lambda probe -G39-.
  Note
Disregard items -1-, -2-, -3- and -5-.
–  Free the cable of the Lambda probe -G39- from its attachment.
  A23-10003
–  Unscrew lambda probe -G39--3- with SW 22 socket wrench -T20202A-.
  Note
Ignore items -1- and -2-.
Fitting .
Installation is carried out in reverse order, noting the following:
  Note
t  The screw thread on the new lambda probe is coated with a special paste; the paste must not get into the slots on the probe body.
t  With a used lambda probe, heat the bolt before coating only the thread with paste → Spare parts catalogue This paste must not get into the slots on the probe body.
t  When installing, the Lambda probe wiring must always be re-attached at the same locations to prevent it from coming into contact with the exhaust pipe.
l  Tightening torque of the Lambda probe -G39- → Chapter
  A26-10721

Pressure differential senderG505: Removing and installing > < Lambda probe and pressure differential sender