Part 2 Transmission Side

Fig 1: Identifying Cooling System Components Overview, Engine Side

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

1. Coolant Connection
   • Pressed in cylinder head
   • Clean before installing the coolant distribution housing -item  18-.

     -- If necessary, remove coolant deposits with a brass wire brush or with a fine sandpaper (minimum 100 grit).

   • If the pipe connection is worn, replace it using Locking Fluid D 000600 A2.
2. Locking Ring
3. Seal
   • Replace after removing the coolant distribution housing. Refer to COOLANT THERMOSTAT .
4. To Expansion Tank, Top
5. Rear Coolant Pipe
6. Bracket
   • For the Heated Oxygen Sensor -G39-
7. Nut
   • 10 Nm
8. Heat Shield
9. To Heater Core, Top
10. Supply Hose
11. Bypass Thermostat
    • Only for vehicles with an automatic transmission
    • Assembly overview, refer to Fig 2
    • Checking Checking Bypass Thermostat .
12. To Transmission Fluid Cooler
    • Only for vehicles with an automatic transmission
13. From Heater Core, Bottom
14. From Transmission Oil Cooler
    • Only for vehicles with an automatic transmission
15. Return Hose
16. Coolant Pipe
    • Bolted to coolant regulator housing -item  18-
17. To Coolant Regulator Housing
18. Coolant Distribution Housing
19. To the Top of the Radiator
20. To the Top of the Radiator
21. Supply Hose
22. Engine Coolant Temperature Sensor -G62-
23. O-ring
    • Replace after removing
24. Clamp
    • Make sure it is secure

Fig 2: Bypass Thermostat - Assembly Overview

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

1 -

Spring bracket

2 -

Lower housing section

-

Pay attention to the installed position: the arrow points to the ATF cooler

3 -

Operating element

4 -

Spring

5 -

O-ring

6 -

Housing Upper Section