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Assembly overview - air filter > < Assembly overview - gas pressure regulator

Golf Mk4

Removing and installing gas pressure regulator
Removing and installing gas pressure regulator
Special tools and workshop equipment required
t  9/16” combination spanner -VAS 5302/12-
Removing
Observe safety precautions → Chapter.
Observe rules for cleanliness → Chapter.
–  Open luggage compartment floor → General body repairs, interior; Rep. Gr.70.
  WARNING
Danger of explosion! Before loosening fuel line connections render the system pressure-free.
–  Start engine and wait until the engine control unit has switched to natural gas operation (observe display in dash panel insert).
   
–  Detach connectors -1- and -2-.
–  Now wait until the engine control unit has switched to petrol operation (observe display in dash panel insert).
–  Switch off engine when the engine control unit has switched to petrol operation.
–  Remove grille on right in lower bumper.
  N20-0645
–  Pull out the lower spreader rivet -arrow-.
  N24-1450
–  Pull out the upper spreader rivet -arrow-.
–  Pull gas pressure regulator cap off downwards.
  N24-1451
–  Disconnect high pressure line -1-.
–  Disconnect low pressure line from above.
–  Release coolant line -arrow- and pull off gas pressure regulator.
–  Detach electric connectors -3- and -4-.
–  Remove bolts -2- and take gas regulator off downwards.
Installing
Installation is carried out in the reverse order. When installing, note the following:
  N24-1443
–  Tighten nut -1- finger tight and then turn 1/ 4 turn further.
  Note
On no account must the nut be tightened further than specified, otherwise the special connection will be damaged and the gas line must be renewed.
–  Then a leak test of the high pressure regulator connection must performed by a qualified competent person → Chapter.
  N24-1443

Assembly overview - air filter > < Assembly overview - gas pressure regulator