Coolant pump, disassembling and assembling

2002 Volkswagen Golf GLS, 2.0 K, StandardSECTION Coolant pump, disassembling and assembling
WARNING: This page does not describe the selected car, but rather 25 other vehicles, including the 2002 Volkswagen Cabrio, 2001 Volkswagen Cabrio, 2000 Volkswagen Cabrio, 1999 Volkswagen Jetta, and 1999 Volkswagen Golf. However, it is still accessible from the selected car via links, so may be relevant.

The following list pertains to Fig 1.

  1. 20 Nm (15 ft lb) 
  2. Coolant pump pulley 
    • For ribbed belt
  3. Coolant pump 
    • Check that shaft rotates smoothly
  4. Gasket 
    • Always replace
  5. Thermostat 
    • To check, heat in water
    • Starts to open at approx. 87 °C (188 °F)
    • Fully open at approx. 102 °C (215 °F)
    • Opening stroke: 7 mm (0.28 in.) minimum
  6. Connector pipe 
  7. O-ring 
    • Always replace
  8. Clip 
  9. 10 Nm (7 ft lb) 
  10. Flange 
  11. Coolant pump pulley 
    • For V-belt
    • Remove and install using VAG1590
  12. Fig 1: Coolant Pump Components Location
    G03365032Courtesy of VOLKSWAGEN OF AMERICA, INC.
RENDER: 1.0x

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When to See a Mechanic

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

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