1.4 TSI engine (EA211) · Cooling · Coolant pump, regulation of cooling system

Removing and installing coolant pump

Special tools and workshop equipment required

  • Refractometer - T10007 A-
  • Drip tray for workshop hoist - VAS 6208-
  • Hose clamp pliers - VAS 6340-
  • Coolant system charge unit - VAS 6096-
  • Adapter for cooling system tester - V.A.G 1274/8-
  • Torque wrench - VAS 6583-
  • Torque wrench - V.A.G 1410-
  • Release tool - T10527-
  • Release tool - T10527/1-

Removing

  • Press release tabs, and disconnect hose -1- for activated charcoal filter.
  • Cover coolant pump with a cloth.
  • Unscrew bolts -arrows- and remove crankcase breather hose.
  • Lay wiring harness to one side -arrows-.
  • Unscrew bolts -1, 3- and remove cover -2- for toothed belt for coolant pump.
  • Unclip wiring harness -arrows-.
  • Move coolant hose on retainer -2- clear to one side.
  • Release hose clips -arrows- and detach coolant hoses.
  • Loosen and unscrew bolts in the sequence -5 to 1-.
  • Detach coolant pump with toothed belt.

Installing

Continue installation in reverse order of removal. The following should be observed:

  • Ensure proper seating of gaskets -arrows-.
  • Lubricate seal for coolant pump lightly with coolant.
  • Set No. 1 cylinder to TDC ⇒ 4.7 Setting piston to TDC position.
  • Fit toothed belt so that it is centred and move coolant pump into installation position.
  • Mount coolant pump on cylinder head with securing bolts.

Tightening sequence

StageBoltsTorque setting
1.-1 … 5-Screw in by hand as far as stop
2.-1 … 5-10 Nm
  • Loosen all bolts again by one turn.
  • Apply torque wrench -VAS 6583- with hexagon key (10 mm) -item 6- to coolant pump.
  • Have a second mechanic apply a torque of 30 Nm to coolant pump.
  • While keeping coolant pump under tension, tighten bolts for coolant pump in specified sequence:
StageBoltsTorque setting
3.-2, 1, 5-10 Nm
4.-3, 4, 5, 1, 2-12 Nm

Torque settings