Removing and installing tandem pump - Vehicles with 6-cyl. engines — AUDI

🧭 Before you start

Fits: platform code 4A

• Special tools named: 3094, 15 mm ring spanner

Don't miss

• Mark the direction of the poly V-belt with chalk or a felt-tip pen prior to removal. Running a used belt in the opposite direction could destroy it. Pay attention to correct positioning on pulleys when fitting the belt.

📋 Procedure

1. Detach the engine top cover .
2. Detach the poly V-belt cover .
3. Slacken off the poly V-belt: Vehicles up to 1991 , vehicles as of 1992
4. Support the pulley with a water pump wrenchV.A.G 1590 if applicable and unscrew.
5. Pull the ignition cables out of the ignition coils (13).

6. Pinch off the suction pipe with a hose clamp 3094.
7. Detach the pressure and suction pipe.
8. Unscrew the holder (12) and remove together with the tandem pump.
9. Take out the tandem pump with holder.
10. Screw the tandem pump bolts out of the holder and take out the vane pump.
11. Assign ignition cables 6 and 1 to ignition coil (C).
12. Assign ignition cables 2, 3, 4, 5 in the same manner. [Note: Mark the direction of the poly V-belt with chalk or a felt-tip pen prior to removal. Running a used belt in the opposite direction could destroy it. Pay attention to correct positioning on pulleys when fitting the belt.]
13. Unscrew the ignition coils with holder and remove the upper belt guard.
14. To slacken off the poly V-belt, swivel the poly V-belt tensioner in (arrow direction) using a 15 mm ring spanner.
15. Insert the mandrel3204 to secure.
16. Detach the poly V-belt from the pulley. [Note: Mark the direction of the poly V-belt with chalk or a felt-tip pen prior to removal. Running a used belt in the opposite direction could destroy it. Pay attention to correct positioning on pulleys when fitting the belt.]
17. To slacken off the poly V-belt, swivel the poly V-belt tensioner in (arrow direction) using a 10 mm Allen key.
18. Lock the tensioner in position by inserting the mandrel 3204 in the locating holes (A) and (B).
19. Detach the poly V-belt.

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