Tandem Pump: Installing
Installation is performed in reverse order. When doing this note the following:
Make sure that tandem pump coupling has proper seating in camshaft.
Tandem pump gasket must always be replaced.
-- Install the tandem pump and tighten the upper bolts to 20 Nm.
-- Tighten the lower bolts to 10 Nm.
-- Connect the return hose (blue marking) to the return connection -3- on the tandem pump.
-- Connect the supply hose (white marking) to supply connection -2- and the vacuum line from the brake booster -1- to the tandem pump -4-.
-- Connect the supply hose (white marking) to the fuel filter.
-- Connect the diesel extractor VAS 5226 or the hand vacuum pump to the draining container V.A.G 1390/1 on the return hose -2-.
-- Operate the diesel extractor VAS 5226 or the hand vacuum pump, until fuel comes out of the return hose. Make sure no fuel gets into the hand vacuum pump.
-- Connect the return hose (blue marking) to the fuel filter.