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Coolant hose connection diagram > < Parts of cooling system body side

Leon Mk2

5-cyl. injection engine, (4-valve), Mechanics
Removing and installing parts of cooling system
Parts of cooling system engine side
 
N19-0338
  • Connection
    • ◆ On cylinder head
  • 8 Nm
  • Earth wire
  • Throttle valve control part
    • ◆ Heated by coolant
  • To heat exchanger
    • ◆ Coolant hose connection diagram
  • 10 Nm
  • Expansion tank
    • ◆ Perform leak test of cooling system with cooling system tester V.A.G 1274 and adapter V.A.G1274/7
    • ◆ Observe markings
      => Page19-16, Draining and filling coolant
 
N19-0338
  • Cap
    • ◆ Note installation position of seal in cap
    • ◆ Renew seal if damaged
    • ◆ Check with coolant system tester V.A.G 1274 and adapters V.A.G 1274/1A and V.A.G 1274/7
    • ◆ The pressure relief valve must open at a pressure of 1.4 ...1.6
  • Connector
    • ◆ Black, 2-pin
    • ◆ For coolant shortage indicator sender
  • From heat exchanger
    • ◆ Coolant hose connection diagram
  • Bracket
    • ◆ For continued coolant circulation pump
 
N19-0338
  • Continued coolant circulation pump (V51)
    • ◆ Black 2-pin connector
    • ◆ Checking
  • Upper coolant hose
    • ◆ To top of radiator
    • ◆ Check seated securely
    • ◆ Coolant hose connection diagram
  • Lower coolant hose
    • ◆ From bottom of radiator
    • ◆ Check seated securely
    • ◆ Coolant hose connection diagram
  • Thermostat housing
    • ◆ Dismantling and assembling
  • Seal
    • ◆ Renew
 
N19-0338
  • Oil cooler
    • ◆ Dismantling and assembling
      => Page 17-10, Dismantling and assembling oil filter bracket
  • To cylinder block
    • ◆ Coolant hose connection diagram
  • O-ring
    • ◆ Renew
  • Coolant pipe
  • Sealing plug, 2 Nm
  • Coolant pump
    • ◆ Note installation position
    • ◆ Check for ease of movement
    • ◆ If damaged or leaking renew complete
    • ◆ Removing and installing
      => Page 19-32
  • 20 Nm
 
N19-0338
  • Pulley
    • ◆ For coolant pump
    • ◆ Removing and installing ribbed belt => Page 13-17
  • 20 Nm
    • ◆ Use coolant pump wrench V.A.G 1590 to loosen and tighten =>Fig. 19-32, Removing and installing coolant pump

Coolant hose connection diagram > < Parts of cooling system body side