Overview - Coolant Pump/Coolant Thermostat

(shown on 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
   • 10 Nm + 90°
   • Always replace after removing.
5. Belt Pulley
   • For the coolant pump
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
   • Always replace after removing.
9. Seal
   • Replace the Map Controlled Engine Cooling Thermostat -F265- after removing
10. O-Ring
    • Always replace after removing.
11. O-Ring
    • Always replace after removing.
12. Seal
    • Always replace after removing.
13. Bolt
    • 9 Nm

Coolant Pump - Tightening Specifications and Sequence 

Fig 2: Coolant Pump - Tightening Sequence

Courtesy of AUDI OF AMERICA, LLC

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