OVERVIEW - COOLANT PUMP/COOLANT THERMOSTAT, ENGINE WITH Engine Temperature Control Actuator -N493-
WARNING: This page is about a different car, the 2016 Audi A3. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Exploded View Of Coolant Pump/Coolant Thermostat (Engine With Engine Temperature Control Actuator -N493-)
- Connection
- O-ring
- Always replace after removing
- Coat with coolant
- Centering Pin
- Bolt
- Tightening Specifications and Sequence. Refer to Fig 3.
- Seal
- Always replace after removing
- Coolant Pump
- Removing and installing. Refer to COOLANT PUMP, REMOVING AND INSTALLING .
- For a new coolant pump, remove the protective cap
- Bolt
- Tightening specification and sequence. Refer to Fig 3.
- Toothed Belt
- For the coolant pump
- Removing and installing. Refer to COOLANT PUMP TOOTHED BELT, REMOVING AND INSTALLING .
- Bolt
- 9 Nm
- Toothed Belt Guard
- Bolt
- 10 Nm + 90°
- Always replace after removing
- Left-hand thread
- Toothed Belt Sprocket
- Note the installation position
- Seal
- For the intake side balance shaft
- Replacing. Refer to BALANCE SHAFT GASKET, REPLACING, INTAKE SIDE .
- Intake Side Balance Shaft
- Seal
- Always replace after removing
- Engine Temperature Control Actuator -N493-
- Removing and installing. Refer to Engine Temperature Control Actuator -N493-, REMOVING AND INSTALLING .
- Perform the adaptation after replacing using the Vehicle Diagnostic Tester
-- Tighten the bolts to 9 Nm in the following sequence: -1 to 5-.
-- Tighten the coolant pump bolts to 9 Nm in a -1 to 4- sequence.
NOTE:
For the coolant pump tightening and loosening sequence is the same, -1 to 4-.