Contents: Removal ⬇ Installation ⬇
Note: See Warnings given in Chapter 1 this Section before you begin working.
Removal
Note: Minor leaks from the heater matrix can be repaired using a sealant such as Holts Radweld.
1. The matrix can be removed from the heater, leaving the latter in the working position in the car. First, drain the liquid from the cooling system (see Section 1); if the antifreeze cannot be replaced, collect the drained liquid in a clean container.
2. See. Section 12 and remove the windshield wiper motor.
3. Loosen the clamps and separate the coolant supply and return hoses from the corresponding matrix pipes (on the right side of the heater unit). Be prepared for a small amount of fluid to come out when you separate the hoses (see photo).

4. Loosen the clamping screw and disconnect the heater control cable from the control valve lever on the right side.
5. Loosen the mounting nut and separate the ground strap from the heater mounting stud on the engine compartment bulkhead (right).
6. Press down with a screwdriver and separate the plastic retainer, then carefully remove the matrix from the heater body (see photo).
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Installation
7. Install in reverse order. When attaching the control cable, make sure it is installed so that the control lever in the panel and the lever on the wall of the heater unit are both set to the "hot" position. In this position, the lever on the heater is fully moved forward.
8. Finally, fill the cooling system and check the heater hose connections for leaks.


