Overview - Coolant Pump/Coolant Thermostat

Depending on the version of the engine, different versions of threaded connections of the belt pulley and coolant pump were installed in series.

Shown on a 3.0L engine.

Fig 1: Exploded View Of Coolant Pump/Coolant Thermostat

Courtesy of AUDI OF AMERICA, LLC

1. Coolant Shut-Off Valve
   • Removing and Installing. Refer to COOLANT VALVES, REMOVING AND INSTALLING .
2. Bolt
   • 9 Nm
3. Map Controlled Engine Cooling Thermostat -F265-
   • Removing and Installing. Refer to Map Controlled Engine Cooling Thermostat -F265-, REMOVING AND INSTALLING .
4. Bolt
   • Replace after removing
   • Depending on the version, quantity of 4 or 6 bolts installed, for allocation, refer to Electronic Parts Information (ETKA).
   • Version with 4 bolts: 10 Nm + 90°
   • Version with 6 bolts: 5 Nm + 60°
5. Belt Pulley
   • For the coolant pump
   • Depending on the version, different versions are installed, for allocation, refer to Electronic Parts Information (ETKA).
6. Coolant Pump
   • Removing and Installing. Refer to COOLANT PUMP, REMOVING AND INSTALLING .
7. Bolt
   • Tightening Specifications and Sequence. Refer to Fig 2.
8. Seal
   • Replace after removing
9. Seal
   • Replace the Map Controlled Engine Cooling Thermostat -F265- after removing
10. O-Ring
    • Replace after removing
11. O-Ring
    • Replace after removing
12. Seal
    • Replace after removing
13. Bolt
    • 9 Nm

Fig 2: Coolant Pump - Tightening Sequence

Courtesy of AUDI OF AMERICA, LLC

-- Tighten the bolts in the steps in the sequence shown: