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Filling/bleeding/checking the diesel direct injection system > < Removing and installing pressure differential senderG 505 (Polo)
Removing and installing pressure differential senderG 505 (Polo, right-hand drive)
Removing and installing pressure differential sender -G 505- (Polo, right-hand drive)
Pressure differential sender -G 505- is connected via two pipes to the measuring points upstream and downstream of the particulate filter. Assembly overview - Lambda probe → Item.
Pressure differential sender -G 505- determines charge status of particulate filter.
»Carry out the following work sequence«
Removing
–  Before pulling off, spray two hoses of pressure differential sender -G 505- with solvent.
   
–  Pull electrical connector -2- from pressure differential sender -G 505-.
–  Pull hoses carefully and straight from unions (unions break off pressure differential sender -G 505- very easily).
–  Unscrew nut -1-, remove pressure differential sender -G 505-.
Installing
–  When installing, note the following:
l  Specified torque for pressure differential sender -G 505- bolt, see assembly overview - Lambda probe → Item
  Note
t  Before installing, blow out hoses of pressure differential sender -G 505- to particulate filter with compressed air (hoses can become obstructed or may ice up due to condensation).
t  Make sure that hoses are securely fitted and seal properly.
Adaption must be performed after renewing pressure differential sender -G 505- and/or particulate filter. (The procedure is also described under Guided Functions).
Select correct vehicle in guided fault finding.
  N26-10515

Filling/bleeding/checking the diesel direct injection system > < Removing and installing pressure differential senderG 505 (Polo)