Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSVOLKSWAGEN2002GOLF GLS, 2.0 K, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 2 (1.8L - COOLING SYSTEM - AWD, AWW, AWP (A4 PLATFORM))COOLING SYSTEM COMPONENTS, REMOVING AND INSTALLINGCOOLING SYSTEM COMPONENTS (ENGINE SIDE)
2002 Volkswagen Golf GLS, 2.0 K, Standard
Cooling System Components (Engine Side)
2002 Volkswagen Golf GLS, 2.0 K, StandardSECTION Cooling System Components (Engine Side)
WARNING: This page does not describe the selected car, but rather 15 other vehicles, including the 2006 Volkswagen GTI, 2005 Volkswagen Jetta, 2005 Volkswagen GTI, 2004 Volkswagen Jetta, and 2004 Volkswagen GTI. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
The following list refers to items in Fig 1.
- 15 Nm
- Toothed belt
- Mark direction of rotation before removing
- Check for wear
- Do not kink
- Removing, installing and tensioning, see TOOTHED BELTS, REMOVING, INSTALLING AND TENSING .
- Coolant pump
- Check for ease of movement
- If damaged or leaking replace complete
- Removing and installing, see COOLANT PUMP, REMOVING AND INSTALLING .
- O-ring
- Replace
- Coolant thermostat
- Checking: heat-up thermostat in water
- Opening commences approx. 87° C
- Ends approx. 102° C
- Opening lift min. 7 mm
- O-ring
- Replace
- Connection
- To heat exchanger
- Coolant hose connection diagram, see COOLANT HOSE CONNECTION DIAGRAM .
- O-ring
- Replace
- Connector
- 4 pin
- Engine Coolant Temperature (ECT) sensor -G62-
- With Engine coolant temperature (ECT) gauge sensor -G2-
- For engine control module
- If necessary release pressure in cooling system before removing
- Checking:
See 1.8 Liter 4-Cyl. 5V Turbo Fuel Injection & Ignition .
- Retaining clip
- Check seated securely
- Upper coolant hose
- Secured to radiator with retaining clip
- Check securely seated
- Coolant hose connection diagram, see COOLANT HOSE CONNECTION DIAGRAM .
- Lower coolant hose
- Secured to radiator with retaining clip
- Check securely seated
- Coolant hose connection diagram, see COOLANT HOSE CONNECTION DIAGRAM .
- Oil cooler
- Removing and installing, see LUBRICATION SYSTEM COMPONENTS, REMOVING AND INSTALLING .
- From heat exchanger
- Coolant hose connection diagram, see COOLANT HOSE CONNECTION DIAGRAM .
- Lower coolant pipe
- Coolant hose connection diagram, see COOLANT HOSE CONNECTION DIAGRAM .
- 10 Nm
- Cap
- Check with cooling system tester V.A.G. 1274 and adapter V.A.G. 1274/9
- Test pressure 1.4 to 1.6 bar
- Seal
- Replace if damaged
- 10 Nm
- Expansion tank
- Carry out leak test of cooling system with cooling system tester V.A.G. 1274 and adapter V.A.G1274/8
- To turbocharger
- Coolant hose connection diagram, see COOLANT HOSE CONNECTION DIAGRAM .
- 15 Nm
- To upper coolant hose
- Only engine code AWP with automatic transmission
- Coolant hose connection diagram, see COOLANT HOSE CONNECTION DIAGRAM .
- After-Run coolant pump - V51-
- Only engine code AWP with automatic transmission
- Coolant hose connection diagram, see COOLANT HOSE CONNECTION DIAGRAM .
- Checking, see AFTER-RUN COOLANT PUMP, CHECKING .
- From turbocharger
- Only engine code AWP with automatic transmission
- Coolant hose connection diagram, see COOLANT HOSE CONNECTION DIAGRAM .
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:
- • 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.