DaimlerChrysler SPRINTER2006 Service Manual
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Contents
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HEATING & AIR CONDITIONINGTABLE OF CONTENTSpage pageHEATING & AIR CONDITIONINGDESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . 1OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2DIAGNOSIS AND TESTINGA/C PERFORMANCE . . . . . . . . . . . . . . . . . . . . 3HEATER PERFORMANCE TEST . . . . . . . . . . . 5ATC FUNCTION TEST . . . . . . . . . . . . . . . . . . . 6SPECIFICATIONSHEATING-A/C SYSTEM . . . . . . . . . . . . . . . . . . 6CONTROLS-FRONT . . . . . . . . . . . . . . . . . . . . . . . . 8CONTROLS - REAR . . . . . . . . . . . . . . . . . . . . . . 24DISTRIBUTION - FRONT . . . . . . . . . . . . . . . . . . . 45DISTRIBUTION - REAR . . . . . . . . . . . . . . . . . . . . 52PLUMBING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60CABIN HEATER . . . . . . . . . . . . . . . . . . . . . . . . . 104HEATING & AIR CONDITION-INGDESCRIPTIONAn automatic temperature control (ATC) singlezone type heating-A/C system is standard equipmenton this model.To maintain the performance level of the heating,ventilation and air conditioning (HVAC) system, theengine cooling system must be properly maintained.The use of a bug screen is not recommended. Anyobstructions in front of the radiator or A/C condenserwill reduce the performance of the A/C and enginecooling systems.The engine cooling system includes the radiator,thermostat, radiator hoses and the engine coolantpump. Refer to 7 - Cooling for more informationbefore opening or attempting any service to theengine cooling system.All vehicles are equipped with a common ventila-tion housing (Fig. 1) located in the engine compart-ment which includes:• Blower motor• Blower motor resistor block• Recirculation door and actuatorAll vehicles are also equipped with a commonheater housing (Fig. 2) mounted under the instru-ment panel which includes:• Heater core• Evaporator core• Evaporator temperature sensor• Expansion valve• Air outlet temperature sensor• Mode doorsFig. 1 Ventilation Housing1 - NUT (5)2 - WASHER (5)3 - VENTILATION HOUSING4 - HOUSING COVERVA HEATING & AIR CONDITIONING 24 - 1 |
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