Cooling System: Diagrams

2009 Volkswagen New Beetle (1C1) L5-2.5L (BPS)SECTION Diagrams





Coolant Hose Connection Diagram





1 Radiator

Removal and installation, refer to => [ Radiator ] Service and Repair.

Replace the coolant after replacing.

2 Oil Cooler

3 Coolant Pump and Coolant Thermostat

Coolant pump removal and installation, refer to => [ Coolant Pump ] Service and Repair.

Thermostat removal and installation, refer to => [ Coolant Thermostat ] Service and Repair.

Checking coolant thermostat - item 16 - => [ Coolant Thermostat ] Cooling System Components, Engine Side.

4 Cylinder Head/Cylinder Block

Replace the coolant after replacing.

5 Expansion Tank

With the sealing cap

Checking pressure relief valve in cap. Refer to => [ Cooling System, Checking for Leaks ] Component Tests and General Diagnostics.

6 Intake Manifold

7 Throttle Valve Control Module (J338)

Connection only for coolant heated throttle valve control module.

8 Quick Release Coupling

9 Heater Core

Replace coolant after replacing.

10 Transmission Oil Cooler

Only for vehicles with a automatic transmission.

11 Coolant Line

12 Coolant Distribution Housing
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.