Remove/install expansion valve

AR83.30-P-5520E

Remove/install expansion valve

15.11.11

12.8.97

Safety information added

 

Remove/install

 Danger!

Risk of explosion caused by welding or soldering work on closed air conditioning system. Risk of poisoning caused by inhaling overheated refrigerant vapors. Risk of injury to skin and eyes caused by contact with liquid refrigerant.

Never perform welding work on or near a closed air conditioning system. No smoking or open flames. Wear safety glasses and protective gloves. Work only in well ventilated areas. Carry out repair work on the air conditioning system circuit only after the system has been drained.

AS83.00-Z-0001-01A



Procedure for a damaged or leaky air conditioning system

AH83.30-N-0004-01A



Protect air conditioning circuit and components from moisture when carrying out repair work

All models with air conditioning

AH83.30-N-0005-01A



Notes on handling R134a refrigerant

All models with R134a refrigerant

AH83.30-N-0003-01A

1

Drain air conditioning system (recycle refrigerant), evacuate, fill, inspect for leaks

 When filling the air conditioning system, feed extracted quantity of compressor oil back into the refrigerant circuit.

2

Remove cover at left and right air inlet

AR83.25-P-1400E

3

Remove air inlet

AR83.25-P-1401E

4

Remove wiper system

AR82.30-P-6400E

5

Remove water collector

AR83.25-P-1402E

6

Unscrew hexagon nut (6)



*BA83.30-P-1001-01A

7

Pull tubing out of expansion valve (82)

 Plug openings (parts kit).
Replace O-rings (83, 84) (moisten with compressor oil)

8

Remove bolts (5)



 Seal openings (parts kit)

*BA83.30-P-1002-01A

9

Replace fluid reservoir

AR83.30-P-6520E

10

Install in the reverse order

11

Switch on the air conditioner and allow the engine to idle for roughly 4 minutes.

 Set temperature selector wheel to blue notches, or with automatic air conditioning set to ""

Blowers to max.

12

Check air conditioning for proper operation

 The air outlet temperature at the center air vent must not fall below 5 °C, if necessary 

perform diagnosis according to diagnosis manual

13

Inspect the air conditioning circuit for leaks

Air conditioning system leak detector
gotis://E_83_04.0

Number

Designation

Model
202

BA83.30-P-1001-01A

Nut on expansion valve

Nm

10

BA83.30-P-1002-01A

Expansion valve bolt

Nm

8