Intermediate Section

Intermediate section

Replacing the intermediate section

Replacing the intermediate section on cars without air conditioning (A/C)

Removal





In the engine compartment
- Remove the guard above the heating loops
- Install two hose clips 115 8957 HOSE PLIERS 115 8957 Hose Pliers on the heat exchanger. Remove the hoses.




- Disconnect the connector from the resistors
- Press in the pins on the clips. Remove the clips
- Carefully pull the power unit backwards.

Installation
- In reverse order.

Replacing the intermediate section on cars with air conditioning (A/C)


Warning! Follow the appropriate safety precautions when working on the climate control system, see Refrigerant, safety regulations Refrigerant, Safety Regulations.

Note! Read the instructions about slow and large leaks, see Oil in the air conditioning (A/C) system Oil In The Air Conditioning (A/C) System.

Note! Always use new O-rings lubricated with air conditioning (A/C) compressor oil.

Note! Always plug pipes and connectors when working on the climate control system.

Removal





In the engine compartment
- Drain the system according to Draining Draining
- Disconnect the refrigerant pipe in the engine compartment
- Remove the dashboard according to Dashboard Dashboard
- Remove the screws and the nut for the intermediate section
- Disconnect the evacuation hose
- Disconnect the connector from the fan control module
- Carefully detach the intermediate section.

Installation




- In reverse order.

Filling with refrigerant
- Vacuum pump according to Vacuum pumping Vacuum Pumping
- Fill the system with refrigerant according to Filling with refrigerant Filling With Refrigerant
- Fill the system with fluorescent tracing agent according to Filling with fluorescent tracing agent Filling With Fluorescent Tracing Agent
- Leak trace according to Leak tracing, electronic leak tracer Leak Tracing, Electronic Leak Tracer or Leak tracing with fluorescent tracing agent and an UV lamp Leak Tracing, Fluorescent Tracing Agent/UV Lamp.