Coolant pipe, removing and installing
Special tools, testers and auxiliary items required
- Drip tray for workshop crane VAS 6208
- Spring-type clip pliers VAS 5024 A
Removing
CAUTION:
Cover cap of expansion tank with rag and open carefully, as hot steam or hot coolant may escape when opening.
- Open cap of coolant expansion tank.
- Remove engine cover - arrows -.
- For vehicles with auxiliary heater, remove bolts - arrows - for exhaust pipe of parking heater/auxiliary heater on noise insulation.
- Loosen quick-release fasteners - 1 - and - 2 - and remove front noise insulation.
- Remove quick-release fasteners - 3 - and remove rear noise insulation, if installed.
- Drain engine coolant → Cooling system, draining and filling
- Remove intake manifold → - 24 - MULTIPORT FUEL INJECTION (MFI)
- Remove bracket for cable connector - arrows - from coolant pipe.
- Disconnect coolant hose - 1 -.
- Remove bolts - 2 -.
- Disconnect coolant hoses - arrows - from coolant pipe.
- Remove bolt - 1 - and remove coolant pipe.
Installing
Installation is in reverse order of removal, note the following:
NOTE:
- Always replace gaskets and seals.
- Secure all hose connections using hose clamps appropriate for the model type .
- Clean and/or smooth O-ring sealing surface before installing.
- Moisten new O-ring with G12+ and push onto coolant pipe.
- Install intake manifold → - 24 - MULTIPORT FUEL INJECTION (MFI)
- Fill with coolant → Cooling system, draining and filling .
Torque specifications
| Component | Nm |
|---|---|
| Coolant pipe to cylinder block | 10 |
| Coolant pipe to thermostat housing | 10 |