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Skoda Workshop Service and Repair Manuals

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Inspecting a tandem pump > < Removing and installing the sender for fuel gauge displayG

Fabia Mk2

Removing and installing the tandem pump
Removing and installing the tandem pump
Special tools and workshop equipment required
t  Hand vacuum pump, e.g. -VAS 6213-
t  Pliers for spring strap clamps
  WARNING
The tandem pump must not be disassembled, otherwise the proper operation of the pump vacuum part is no longer assured. This will result in a failure of the brake booster.
  Caution
Observe instructions for installing again a used tandem pump → Anchor.
Conditions
l  Ignition is switched off and ignition key is withdrawn.
Removing
   
–  Separate feed hose -1- (marked in white) from fuel filter and return-flow hose -2- (marked in blue) from the fuel pipe -3-.
–  Connect hand vacuum pump to return-flow pipe -3- at cylinder head.
–  Generate vacuum with hand vacuum pump until there is no more fuel from the return-flow pipe. Ensure that no fuel is drawn into the hand vacuum pump.
  S20-0297
–  Separate vacuum hose -1- for brake servo unit from tandem pump -4-.
–  Remove feed hose -2- (marked in white) at the tandem pump -4-.
–  Unscrew fixing screws -arrows-.
–  Remove tandem pump -4- from cylinder head.
–  Pull tandem pump -4- upwards, separate return-flow hose -3- (marked in blue) and remove the tandem pump -4-.
Install
Installation is performed in the reverse order, pay attention to the following points:
  Note
t  Ensure the tandem pump coupling is correctly inserted into the camshaft.
t  Always replace the tandem pump seals.
  N15-0254
–  Connect return-flow hose -3- (marked in blue) to the return-flow coupling of the tandem pump.
–  Install tandem pump and tighten the top fixing screws M8 to 20 Nm.
–  Tighten M6 fixing screws to 8 Nm.
–  Connect the feed hose -2- (marked in white) to the feed connection and the vacuum hose -1- of the brake servo unit to the tandem pump -4-.
  N15-0254
–  Connect feed hose -1- (marked in white) to fuel filter.
–  Connect the hand vacuum pump (e.g. -V.A.S 6213-) to return-flow pipe -3-.
–  Generate vacuum with hand vacuum pump until there is fuel from the return-flow pipe -3-.
  Note
Ensure that no fuel is drawn into the hand vacuum pump.
–  Connect return-flow hose -2- (marked in blue) to fuel filter -3-.
  S20-0297

Inspecting a tandem pump > < Removing and installing the sender for fuel gauge displayG