Mercedes Benz Truck R 320 BLUETEC Technical LI83-00_P-047480 Date: 090729 A/C - No Or Insufficient Cooling Output NO OR INSUFFICIENT COOLING OUTPUT, PERMANENTLY OR OCCASIONALLY/DEFECTIVE REFRIGERANT LINE
Mercedes Benz Truck R 320 BLUETEC Technical LI83-00_P-047480 Date: 090729 A/C - No Or Insufficient Cooling Output NO OR INSUFFICIENT COOLING OUTPUT, PERMANENTLY OR OCCASIONALLY/DEFECTIVE REFRIGERANT LINE Topic Number LI83.00-P-047480 Version 1 Design Group 83.00 general Date 07-29-2009 Validity Passenger car model series with air conditioning Reason for change Reason for block COMPLAINT: No or insufficient cooling output, permanently or occasionally/defective refrigerant line. CAUSE: Refrigerant line (engine-side low-pressure line, from compressor to connecting point upstream of expansion valve) whose inner coating comes loose in the flexible section of the hose, causing constriction. Attachments REMEDY: Air conditioning system may not be evacuated before test steps 1. - 3., this could affect the test result. 1. Start engine, activate air conditioning on control panel (max. cold, blower setting 3), medium engine speed. 2. Connect pressure gauge to high and low-pres...