Operation CHARM: Car repair manuals for everyone.

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 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.

NOTE:
- Read the instructions about slow and large leaks.
- Always use new 0-rings lubricated with air conditioning (A/C) compressor oil.
- Always plug pipes and connectors when working on the climate control system.

Removal

In the engine compartment







- Drain the system according to Draining.
- Disconnect the refrigerant pipe in the engine compartment.
- Remove the dashboard according to 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.
- Fill the system with refrigerant according to Filling with refrigerant.
- Fill the system with fluorescent tracing agent according to Filling with fluorescent tracing agent.
- Leak trace according to Leak tracing electronic leak tracer or Leak tracing with fluorescent tracing agent and an UV lamp.