Cooling system, engine side components, removing and installing
WARNING: This page does not describe the selected car, but rather 11 other vehicles, including the 1999 Volkswagen Jetta, 1999 Volkswagen GTI, 1998 Volkswagen Jetta, 1998 Volkswagen GTI, and 1997 Volkswagen Jetta. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
The following list refers to items in Fig 2
.
- - 25 Nm (18 ft lb)
- Loosen and tighten using modified VAG 1590 coolant pump wrench
- Modifying VAG 1590, see Fig 1
- - Pulley
- For coolant pump
- - 20 Nm (15 ft lb)
- - Coolant pump
- Check shaft for ease of rotation
- Removing and installing COOLANT PUMP, REMOVING AND INSTALLING
- - O-Ring
- Always replace
- - Throttle valve housing
- - From cylinder head
- - After-Run Coolant Pump - V51 -
- Checking, see AFTER-RUN COOLANT PUMP AND COOLANT FAN AFTER-RUN FUNCTION, CHECKING
- Mounted with bracket to camshaft sprocket cover
- - Connector
- - Retaining clip
- Check to make sure clip is seated securely
- - Engine Coolant Temperature (ECT) Sensor -G62-
- Color: black
- 2 pin connection
- For Climatronic
- Checking: See HEATING & AIR CONDITIONING (UP TO EARLY PRODUCTION 1999) .
- - From heater core
- - To heater core
- - Cap
- Check with VAG 1274 cooling system tester and VAG 1274/3 adapter
- Opening test pressure 1.3 - 1.5 bar (19-22 psi)
- - Cover
- - 10 Nm (7 ft lb)
- - Expansion tank
- - Upper coolant hose
- To top of radiator, item - 8 -
- - Lower coolant hose
- From bottom of radiator, item - 11 -
- - ATF cooler
- Only on vehicles with automatic transmission
- Removing and installing:
See ATF COOLER AND ATF FILLER TUBE, REMOVING AND INSTALLING .
- - Thermostat housing
- Disassembling and assembling, see COOLANT THERMOSTAT HOUSING, DISASSEMBLING AND ASSEMBLING
- - Coolant pipe
- - Oil cooler
- Removing and installing Repair Group 17
- - To cylinder block
- - Drain plug
- Tightening torque: 10 Nm (7 ft lb)
- Draining and filling with coolant, see COOLING SYSTEM, DRAINING AND FILLING
- To fit the modified bolts used to mount the coolant pump pulley, file out the three rounded corners by an additional amount.
- Dimension -a- = 1 mm (0.04 in.)