Volkswagen Workshop Service and Repair Manuals

Note:

Coolant hose connection diagram

• Radiator
• ◆ Removing and installing
  => Page 19-18
• ◆ After replacement renew the entire coolant
• O-ring
• ◆ Renew
• Upper coolant hose
• ◆ Secured to radiator by quick release coupling
• ◆ Check seated securely
• Distributor connection piece
• Coolant hose
• ◆ From connection on cylinder head

• Coolant hose
• ◆ From distributor => Page19-11, Coolant hose connection diagram
• Coolant hose
• ◆ To the oil cooler
• Connector
• Cover
• ◆ Check with coolant system tester V.A.G 1274 and adapter V.A.G 1274/9
• ◆ The pressure relief valve must open at a pressure of 1.4 ...1.6 bar
• 10 Nm
• Expansion tank
• ◆ Perform leak test on coolant system with coolant system tester V.A.G 1274 and adapter V.A.G1274/8
• ◆ Test pressure 1.4 ... 1.6 bar

• Coolant hose
• ◆ From throttle valve control unit
• Coolant hose
• ◆ To coolant pipe
• Air ducting
• Cooler fan, right (V35)
• ◆ Only models with optional equipment
• ◆ Removing and installing
  => Page 19-18
• Fan ring
• Retaining clip
• ◆ Check seated securely
• Radiator fan (V7)
• ◆ Removing and installing
  => Page 19-18
• Bracket
• ◆ For radiator fan connector

• Lower coolant hose
• ◆ Secured to radiator by quick release coupling
• ◆ Check seated securely
• ◆ To the thermostat
• Connector
• ◆ for thermal switch (F18)
• Thermal switch (F18), 35 Nm
• ◆ For electric fan
• ◆ Switching temperatures:
  1. 2nd stage
      on: 92...97 °C
      off: 84...91 °C
  2. 2nd stage
      on: 99...105 °C
      off: 91...98 °C
• Bracket
• ◆ For bottom of radiator
• ◆ Observe installing position
• Bracket
• ◆ For top of radiator
• ◆ Observe installing position