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Home >> Mercedes Benz >> 2003 >> CLK320 2D Convertible >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Climate Control -- Basic Knowledge -- 209 Chassis) >> Basic Knowledge >> Expansion valve, location/task/design/function - GF83.40-P-2123P >> Notes
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Expansion valve, location/task/design/function - GF83.40-P-2123P: Notes

WARNING: This page is about a different variant/trim than selected.

MODEL 203.0 /2 /7 with CODE (580) Air conditioning (or Tempmatic for USA) with CODE (580) Automatic air conditioning with CODE (581) Automatic air conditioning with CODE (581) Comfort automatic air conditioning 

MODEL 209.3 /4 

MODEL 211.0 /2 /6 

Shown on model 203 

Fig 1: Locating Expansion Valve
G04737966
  Expansion valve, position The expansion valve (5) is located in the left rear of the engine compartment.  
  Expansion valve, task The expansion valve (5) sprays liquid refrigerant into the evaporator. There the ambient air is cooled down to approx. 1.5 °C and conveyed to the AC housing. The quantity injected is dependent here on the pressure and temperature of the flowing refrigerant.  
  Expansion valve, design   GF83.40-P-2123-03P 
  Expansion valve, function   GF83.40-P-2123-01P