Tandem pump, removing and installing: Installing

Installation is performed in the reverse order. When installing, note the following:

Fig 1: Identifying Vacuum Hose, Supply Hose, And Return Hose

Courtesy of VOLKSWAGEN UNITED STATES, INC.

• Connect return hose - 3  - (blue marking) to return connection of tandem pump.
• Install tandem pump and tighten upper securing bolts to 20 Nm.
• Tighten lower securing bolts to 10 Nm.
• Connect supply hose - 2  - (white marking) to supply connection of tandem pump and vacuum hose - 1  - from brake servo to tandem pump - 4  -.

Fig 2: Identifying V.A.G 1390 And V.A.G 1390/1

Courtesy of VOLKSWAGEN UNITED STATES, INC.

• Connect supply hose - 1  - (white marking) to fuel filter.
• Connect hand vacuum pump V.A.G 1390 with bleed container V.A.G 1390/1 to return hose - 2  - (blue marking) of fuel filter.
• Operate hand vacuum pump until fuel comes out of return hose. Ensure that no fuel is drawn into hand vacuum pump.
• Connect return hose - 2  - (blue marking) to fuel filter.