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Parts of cooling system (on engine, rear) > < Parts of cooling system (on body)

A4 Mk1

6-Cylinder engine (5-valve turbo), Mechanics
Removing and installing parts of cooling system
Parts of cooling system (on engine, front)
 
A19-0093
  • Connection
    • ◆ For thermostat
  • O-ring
    • ◆ Renew
  • Thermostat
    • ◆ Removing and installing
    • ◆ Note installation position
      => Page 19-32, Removing and installing thermostat
    • ◆ Checking: heat the thermostat in water
    • ◆ Starts to open at about 86 °C
    • ◆ Opening travel: at least 7 mm
  • Bolt
    • ◆ Tightening torque: 10 Nm
 
A19-0093
  • Filler cap
    • ◆ Test with cooling system tester V.A.G 1274 and adapter V.A.G 1274/9
    • ◆ Test pressure 1.4...1.6 bar
  • O-ring
    • ◆ Renew if damaged
  • Bolt
    • ◆ Tightening torque: 10 Nm
  • Expansion tank
    • ◆ Carry out leak test of cooling system with cooling system tester V.A.G 1274 and adapter V.A.G1274/8
  • To rear water pipe
    • ◆ Diagram of coolant hose connections => Page 19-17
 
A19-0093
  • Top coolant hose
    • ◆ Secured to radiator with retaining clip
    • ◆ Check for secure seating
    • ◆ Diagram of coolant hose connections => Page 19-17
  • Coolant pipe
    • ◆ Diagram of coolant hose connections => Page 19-17
  • Rear toothed belt guard
  • Gasket
    • ◆ Renew
  • Coolant pump
    • ◆ Check that pump runs freely
    • ◆ If damaged or leaking renew complete
    • ◆ Removing and installing
      => Page 19-29
 
A19-0093
  • To front coolant pipe
    • ◆ Diagram of coolant hose connections => Page 19-17
  • Bolt
    • ◆ Tightening torque: 10 Nm
  • Bolt
    • ◆ Tightening torque: 25 Nm
  • Lower coolant pipe
    • ◆ Diagram of coolant hose connections => Page 19-17
  • Oil cooler
  • Bolt
    • ◆ Tightening torque: 25 Nm
  • Bolt
    • ◆ Tightening torque: 10 Nm
  • Belt pulley
    • ◆ For viscous fan
 
A19-0093
  • Bolt
    • ◆ Tightening torque: 10 Nm
  • Fan wheel for viscous fan
  • Viscous fan coupling
    • ◆ Note left-hand thread
    • ◆ Tightening torque only applicable when using open-end spanner 3312
    • ◆ Tighten to 37 Nm
    • ◆ Removing and installing
      => Page 19-44
  • Bolt
    • ◆ Tightening torque: 25 Nm
  • Bracket
    • ◆ For viscous fan
  • From bottom of radiator
    • ◆ Diagram of coolant hose connections => Page 19-17

Parts of cooling system (on engine, rear) > < Parts of cooling system (on body)