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Home >> Volkswagen >> 2005 >> Jetta TDI, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 36 (2.5L - Cooling System - Engine Code(S): BGP, BGQ, CBTA & CBUA (Sedan) (A5 Platform)) >> 19 Cooling System >> Description And Operation >> Coolant Hose Connection Diagram

Coolant Hose Connection Diagram

WARNING: This page is about a different variant/trim than selected.
Fig 1: Identifying Coolant Hose Connection Diagram
GWWM19-0103Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.
  1. Radiator 
    • Removing and installing, refer to RADIATOR .
    • Replace the coolant after replacing.
  2. Coolant Line 
  3. Intake Manifold 
  4. Coolant Pump and Coolant Thermostat 
    • Coolant pump, removing and installing. Refer to COOLANT PUMP .
    • Thermostat, removing and installing. Refer to COOLANT THERMOSTAT .
    • Check the coolant thermostat, refer to "Coolant Thermostat" in item:  17.
  5. Front Coolant Line 
    • Secured to the accessory bracket.
  6. Right Coolant Line 
    • Secured to the engine mount.
  7. Expansion Tank 
  8. Rear Coolant Line 
  9. Cylinder Head/Cylinder Block 
    • Replace the coolant after replacing.
  10. Flange 
  11. Quick-Release Coupling 
    • Lower connection.
  12. Heater Core 
    • Replace the coolant after replacing.
  13. Quick-Release Coupling 
    • Upper connection.
  14. Bypass Thermostat 
  15. Transmission Fluid Cooler 
    • Only for vehicles with a automatic transmission.
  16. Oil Cooler 
  17. Coolant Hose 
  18. Pre-Warmer 
    • Not available in the US/Canadian market.
  19. Throttle Valve Control Module -J338- 
    • Connections only for a throttle valve control module heated by coolant.
  20. Coolant Hoses 
    • Only for a throttle valve control module heated by coolant.
  21. Quick-Release Coupling 
    • Upper connection.
  22. Quick-Release Coupling 
    • Lower connection.