Parts of cooling system, body side – assembly overview and fastening

• 1 Radiator/cooler
  • Removing and installing ⇒ 1.7 Removing and installing radiator
  • After renewing, renew entire coolant.
• 2 O-ring
  • Renew
• 3 Upper coolant hose
  • Secured to radiator with retaining clip.
  • Check for firm seating
  • Connection diagram for coolant hoses ⇒ 1.5 Connection diagram for coolant hoses
• 4 Coolant hose
• 5 Cowling
• 6 10 Nm
• 7 Retaining clip
  • Check for firm seating
• 8 Bracket
  • For electric fan.
• 9 Connector
• 10 Radiator fan
• 11 To thermostat housing.
  • Connection diagram for coolant hoses ⇒ 1.5 Connection diagram for coolant hoses
• 12 Expansion tank
  • Test for leaks in cooling system using cooling system tester - V.A.G 1274- and adapter -V.A.G 1274/8-.
• 13 Cap
  • Check using cooling system tester - V.A.G 1274- and adapter -V.A.G 1274/9-.
  • Test pressure: 1.4 … 1.6 bar
• 14 Lower coolant hose
  • Secured to radiator with retaining clip.
  • Check for firm seating
  • Connection diagram for coolant hoses ⇒ 1.5 Connection diagram for coolant hoses
• 15 Radiator fan thermal switch - F18-, 35 Nm
  • For electric fan.

Switching temperatures

• Stage 1 on: 92 … 97 °C; stage 1 off: 84 … 91 °C
• Stage 2 on: 99 … 105 °C; stage 2 off: 91 … 98 °C

• 16 Bracket
  • For radiator
  • Observe installation position
  • Note various versions.
• 17 10 Nm