Sprinter 3500 V6-3.0L DSL Turbo VIN 45 (2007)
1. Disconnect and isolate the negative battery cable.
2. Recover the refrigerant from the rear refrigerant system.
3. Remove the rear roof ducts.
4. Remove the front and center headliner panels.
5. Remove the nut that secures the interior liquid line (2) to the rear expansion valve (5).
6. Disconnect the interior liquid line from the rear expansion valve and remove and discard the O-ring seal.
7. Remove the bolt (4) that secures the interior liquid line to the exterior liquid line (3) at the roof panel.
8. Disconnect the interior liquid line from the exterior line and remove and discard the O-ring seal.
9. Remove the screw (1) that secures the interior liquid line to the roof brace and remove the interior liquid line from the vehicle.
10. Install plugs in, or tape over the opened interior liquid line fittings and the rear expansion valve port.
Front Interior Lines
FRONT INTERIOR LINES
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 refrigerant lines for the rear A/C system are serviced in two sections.
NOTE: Rear A/C suction line (driver side) shown. Rear A/C discharge line (passenger side) similar.
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 front interior refrigerant line (3) being service into the vehicle and engage the grommet into the floor panel.
4. Install the front interior refrigerant line to the B-pillar (5) and install the retaining screws (4). Tighten the screws to 3 Nm (26 in. lbs.).
5. Connect the rear interior refrigerant line (1) to the front interior refrigerant line and install the retaining bolt (2). Tighten the bolt to 8 Nm (70 in.
lbs.).
6. Raise and support vehicle.
7. Connect the underbody refrigerant line to the front interior refrigerant line being serviced.
8. Lower the vehicle.
9. Install the B-pillar trim panel.
