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Home >> Mercedes Benz >> 2000 >> ML430 >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Climate Control -- 163 Chassis >> Testing & Repair >> Disassembling, assembling A/C housing - AR83.30-P-5201GH

Disassembling, assembling A/C housing - AR83.30-P-5201GH

MODEL 163 with CODE (580) Air conditioning or, in USA, Tempmatic A/C 

Fig 1: Identifying A/C Housing Components
G04609034Courtesy of MERCEDES-BENZ USA
DISASSEMBLINGASSEMBLING Disassembly, assembly    
DANGER Explosion hazard  due to welding or brazing work on the closed air conditioning system. Poisoning hazard  from inhaling overheated refrigerant vapors. Injury hazard  from eye or skin contact with liquid refrigerant. Never perform welding or brazing work on the closed air conditioning system or in its vicinity. Smoking and open fire is prohibited. Wear protective goggles and protective gloves, only work in well ventilated rooms. Perform repair work on air conditioning circuit only if system is discharged. AS83.00-Z-0001-01A 
NOTES Action to be taken in the event air conditioning is damaged or leaks   AH83.30-N-0004-01A 
NOTES Protect air conditioning circuit and components from moisture during repair work All models with air conditioning AH83.30-N-0005-01A 
IMPORTANT Notes on handling R134a refrigerant All models with R134a refrigerant AH83.30-N-0003-01A 
1 Remove A/C housing   AR83.30-P-5200GH 
2 Remove heat exchanger (1) from heater housing   AR83.20-P-3400GH 
3 Remove air mixture flap actuator (M16/8)   AR83.30-P-2010GH 
4 Unscrew screws (2) from upper section of A/C housing (3)    
5 Remove upper section of A/C housing (3) IMPORTANT Replace gasket between firewall and A/C housing  
6 Remove dust filter (7) from bottom section of A/C housing (5)    
7 Remove evaporator (6)   AR83.30-P-5540GH 
8 Remove evaporator temperature sensor (B10/4)   AR83.30-P-8085GH 
9 Remove blower motor (M2)   AR83.30-P-5560GH 
10 Reinstall in opposite order