Table of contents: Removal 🠇 Installation 🠇
Note: A new gasket must be used when installing the main body.
Removal
1. Disconnect the ground cable from the battery (see "Disconnecting the battery").
2. Drain the coolant from the cooling system (see chapter 1A or 1B).
3. To prevent damage to the transmission due to fuel spillage onto the front section of the transmission case, place a suitable plastic sheet on this section when performing the following procedure.
4. Remove the fuel filter as described in chapter 1B.
5. Disconnect the electrical connectors of the coolant sensors mounted on the upper section of the housing.
6. Disconnect the coolant hoses from the plastic thermostat housing.
7. Disconnect the coolant hose from the pipe on the rear of the housing.
8. Unscrew the bolt securing the plastic fuel filter housing to the main body, then remove the plastic housing and move it away from the main body. Remove the sealing ring from the base of the plastic housing (Figure 8.8, a-c).
Figure 8.8, a. Remove the bolt (marked with an arrow)...
Figure 8.8, b....remove the plastic housing...
Figure 8.8, c....and remove the sealing ring
9. Remove the three bolts and the main housing from the cylinder head (figure 8.9, a, b). Remove the gasket.
Figure 8.9, a. Remove three bolts (marked with arrows)...
Figure 8.9, b....and remove the main thermostat housing
10. Disconnect the coolant hose from the base of the housing and remove the housing.
Installation
11. Installation is carried out in the reverse order of removal, taking into account the following points:
- a) Assess the condition of the sealing ring on the base of the plastic housing and replace if necessary.
- b) When installing the main body, use a new gasket.
- c) Properly connect all hoses, pipes and electrical wiring.
- d) Fill the cooling system as described in chapter 1B.
- e) Finally, fill and bleed the fuel system as described in Chapter 4B or 4B.