FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Home >> Freightliner Truck >> 2009 >> Sprinter 3500 V6-3.0L DSL Turbo >> Repair and Diagnosis >> Heating and Air Conditioning >> Hose/Line HVAC >> Service and Repair >> A/C Interior Lines - Installation >> Rear Interior Discharge Line

Rear Interior Discharge Line






REAR INTERIOR DISCHARGE LINE

CAUTION: Be certain to adjust the refrigerant oil level when servicing the A/C refrigerant system . Failure to properly adjust the refrigerant oil level will prevent the A/C system from operating as designed and can cause serious A/C compressor damage.

NOTE: When replacing multiple A/C system components, refer to the Refrigerant Oil Capacities chart to determine how much oil should be added to the refrigerant system .

NOTE: Replacement of the refrigerant line O-ring seals is required anytime a refrigerant line is disconnected. Failure to replace the rubber O-ring seals may result in a refrigerant system leak.

NOTE: The interior discharge line for the rear A/C system is serviced in two sections.





1. Remove the tape or plugs from the opened refrigerant line fittings.
2. Lubricate new rubber O-ring seals with clean refrigerant oil and install them onto the refrigerant line fittings. Use only the specified O-rings as they are made of a special material for the R-134a system. Use only refrigerant oil of the type recommended for the A/C compressor in the vehicle.
3. Position the rear interior discharge line (3) into the vehicle.
4. Install the two screws (4) that secure the rear interior discharge line to the roof braces. Tighten the screws to 3 Nm (26 in. lbs.).
5. Engage the rear interior discharge line to the two retaining brackets (7).
6. Connect the rear interior discharge line to the front interior discharge line (5) and install the retaining bolt (6). Tighten the bolt to 8 Nm (70 in. lbs.).
7. Connect the rear interior discharge line to the rear exterior discharge line (2) at the roof panel and install the retaining bolt (1). Tighten the bolt to 8 Nm (70 in. lbs.).
8. Install the center and front headliner panels .
9. Install the right side B-pillar trim panel .
10. Install the rear roof ducts .
11. Reconnect the negative battery cable.
12. Evacuate the rear refrigerant system .
13. Adjust the refrigerant oil level .
14. Charge the rear refrigerant system .

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