2006 MERCEDES-BENZ SPRINTER Service Manual

battery replacement odometer engine coolant homelink clock fuses

Page 2089 of 2305

MERCEDES-BENZ SPRINTER 2006 Service Manual DISTRIBUTION - REAR
TABLE OF CONTENTS
page page
A/C CONDENSER COVER
REMOVAL.............................52
INSTALLATION.........................52
A/C CONDENSER HOUSING
REMOVAL........................

DISTRIBUTION - REAR
TABLE OF CONTENTS
page page
A/C CONDENSER COVER
REMOVAL.............................52
INSTALLATION.........................52
A/C CONDENSER HOUSING
REMOVAL.............................52
INSTALLATION.........................54
A/C EVAPORATOR COVER
REMOVAL.............................55
INSTALLATION.........................55A/C EVAPORATOR HOUSING
REMOVAL.............................55
INSTALLATION.........................57
AIR FILTER
REMOVAL.............................58
INSTALLATION.........................58
BLOWER MOTOR
REMOVAL.............................58
INSTALLATION.........................59
A / C CONDENSER COVER
REMOVAL
(1) Unlock the six quick-release fasteners by turn-
ing them 90 degrees in either direction (Fig. 1).
(2) Remove the rear A/C condenser cover from the
rear A/C condenser housing.
INSTALLATION
(1) Inspect the six rubber damping washers for
correct sealing. Replace the washers as required.
(2) Position the rear A/C condenser cover over the
rear A/C condenser housing.
(3) Lock the six quick-release fasteners by turning
them 90 degrees in either direction.
A / C CONDENSER HOUSING
REMOVAL
WARNING: Refer to the applicable warnings and
cautions for this system before performing the fol-
lowing operation (Refer to 24 - HEATING & AIR
CONDITIONING/PLUMBING - WARNINGS) and (Refer
to 24 - HEATING & AIR CONDITIONING/PLUMBING -
CAUTIONS). Failure to follow the warnings and cau-
tions could result in possible personal injury or
death.
(1) Disconnect and isolate the negative battery
cable.
(2) Remove the air filter from the rear A/C evapo-
rator housing (Refer to 24 - HEATING & AIR CON-
DITIONING/DISTRIBUTION - REAR/AIR FILTER -
REMOVAL).
(3) Recover the refrigerant from the rear refriger-
ant system (Refer to 24 - HEATING & AIR CONDI-
TIONING/PLUMBING - STANDARD PROCEDURE -
REFRIGERANT RECOVERY).
(4) Remove the cover from the rear A/C condenser
housing (Refer to 24 - HEATING & AIR CONDI-
TIONING/DISTRIBUTION - REAR/A/C CON-
DENSER COVER - REMOVAL).
(5) Disconnect the rear A/C wire harness from the
rear blower motor suppression filter and the rear A/C
high pressure switch (Fig. 2).
(6) Remove the retaining straps that secure the
rear A/C wire harness to the rear liquid line and
position the wire harness out of the way.
(7) Remove the screw and bracket that secures the
rear discharge line to the right side of the rear con-
denser housing.
(8) Disconnect the rear discharge line from the
rear A/C condenser and remove and discard the
O-ring seal.
Fig. 1 Rear A/C Condenser Cover
1 - QUICK-RELEASE FASTENER AND WASHER (6)
2 - RUBBER DAMPING WASHER (6)
3 - REAR CONDENSER COVER
4 - REAR A/C CONDENSER HOUSING
24 - 52 DISTRIBUTION - REARVA

Page 2090 of 2305

MERCEDES-BENZ SPRINTER 2006 Service Manual (9) Disconnect the rear liquid line from the rear
refrigerant reservoir outlet and remove and discard
the O-ring seal.
(10) Install plugs into, or tape over the rear refrig-
erant line fittings and co

Page 2091 of 2305

MERCEDES-BENZ SPRINTER 2006 Service Manual INSTALLATION
NOTE: Be certain to add refrigerant oil if the rear
A/C condenser is being replaced. The refrigerant oil
must be drained from the old condenser and mea-
sured to determine the amount of r

INSTALLATION
NOTE: Be certain to add refrigerant oil if the rear
A/C condenser is being replaced. The refrigerant oil
must be drained from the old condenser and mea-
sured to determine the amount of refrigerant oil to
add to the new condenser. Use only refrigerant oil
of the type recommended for the rear A/C compres-
sor in the vehicle.
(1) If the rear A/C condenser is being replaced,
install the correct amount and type of refrigerant oil
into the new rear A/C condenser. Drain the old con-
denser and measure the refrigerant oil. Fill the new
condenser with the same amount of new refrigerant
oil that was drained out of the old condenser.
(2) Install new body sealant and any removed
shims onto the top of the roof panel.
(3) With help from an assistant, position the rear
A/C condenser housing onto the top of the roof panel.
(4) Install the eight nuts and washers that secure
the rear A/C condenser housing to the roof panel.
Tighten the nuts to 25 N´m (18 ft. lbs.).
(5) Remove the tape or plugs from the rear liquid
line fitting and rear refrigerant reservoir port.
(6) Lubricate a new O-ring seal with clean refrig-
erant oil and install it onto the rear liquid line fit-
ting. Use only the specified O-ring seal as it is madeof a special material for the R-134a system. Use only
refrigerant oil of the type recommended for the rear
A/C compressor in the vehicle.
(7) Connect the rear liquid line to the rear refrig-
erant reservoir outlet. Tighten the liquid line nut to
35 N´m (26 ft. lbs.).
(8) Remove the tape or plugs from the rear dis-
charge line fitting and rear condenser port.
(9) Lubricate a new O-ring seal with clean refrig-
erant oil and install it onto the rear discharge line
fitting. Use only the specified O-ring seal as it is
made of a special material for the R-134a system.
Use only refrigerant oil of the type recommended for
the rear A/C compressor in the vehicle.
(10) Connect the rear discharge line to the rear
A/C condenser. Tighten the discharge line nut to 35
N´m (26 ft. lbs.).
(11) Install the bracket and screw that secures the
rear discharge line to the right side of the rear con-
denser housing. Tighten the screw securely.
(12) Connect the rear A/C wire harness to the rear
blower motor suppression filter and to the rear A/C
high pressure switch.
(13) Install new retaining straps to secure the rear
A/C wire harness to the rear liquid line.
(14) Install a new rear receiver/drier (Refer to 24 -
HEATING & AIR CONDITIONING/PLUMBING/
REAR RECEIVER/DRIER - INSTALLATION).
Fig. 2 Rear A/C Condenser Housing
1 - REAR A/C CONDENSER HOUSING
2 - LIQUID LINE
3 - REAR REFRIGERANT RESERVOIR
4 - REAR A/C HIGH PRESSURE SWITCH
5 - REAR CONDENSER OUTLET TUBE6 - SUCTION LINE
7 - NUT AND WASHER (8)
8 - REAR A/C WIRE HARNESS
9 - REAR BLOWER MOTOR SUPPRESSION FILTER
24 - 54 DISTRIBUTION - REARVA

Page 2092 of 2305

MERCEDES-BENZ SPRINTER 2006 Service Manual (15) Reconnect the negative battery cable.
(16) Evacuate the rear refrigerant system (Refer to
24 - HEATING & AIR CONDITIONING/PLUMBING
- STANDARD PROCEDURE - REFRIGERANT SYS-
TEM EVACUATE).
(17) Char

(15) Reconnect the negative battery cable.
(16) Evacuate the rear refrigerant system (Refer to
24 - HEATING & AIR CONDITIONING/PLUMBING
- STANDARD PROCEDURE - REFRIGERANT SYS-
TEM EVACUATE).
(17) Charge the rear refrigerant system (Refer to
24 - HEATING & AIR CONDITIONING/PLUMBING
- STANDARD PROCEDURE - REFRIGERANT SYS-
TEM CHARGE).
(18) Install the rear air filter (Refer to 24 - HEAT-
ING & AIR CONDITIONING/DISTRIBUTION -
REAR/AIR FILTER - INSTALLATION).
(19) Install the cover onto the rear A/C condenser
housing (Refer to 24 - HEATING & AIR CONDI-
TIONING/DISTRIBUTION - REAR/A/C CON-
DENSER COVER - INSTALLATION).
A/CEVAPORATOR COVER
REMOVAL
(1) Disconnect and isolate the negative battery
cable.
(2) Remove the rear dome lamps from the center
and rear roof duct panels (Fig. 3).
(3) Remove the push-pin fasteners that secure the
center and rear roof duct panels to the roof duct and
remove the panels.
(4) Disconnect the dome light wire harness connec-
tor and remove the dome light wire harness from the
roof duct.
(5) Remove the six screws that secure the rear A/C
evaporator cover to the front of the rear A/C evapo-
rator housing.
(6) Remove the three push-pin fasteners that
secure the rear A/C evaporator cover to the rear of
the evaporator housing and remove the cover.
INSTALLATION
(1) Position the rear A/C evaporator cover to the
rear A/C evaporator housing.
(2) Install the three push-pin fasteners that secure
the rear A/C evaporator cover to the rear of the evap-
orator housing.
(3) Install the six screws that secure the rear A/C
evaporator cover to the front of the evaporator hous-
ing. Tighten the screws to 2.2 N´m (21 in. lbs.).
(4) Install the dome light wire harness to the roof
duct and reconnect the harness.
(5) Position the center and rear roof duct panels to
the roof duct and install the push-pin fasteners.
(6) Install the rear dome lamps into the center and
rear roof duct panels.
(7) Reconnect the negative battery cable.
A/CEVAPORATOR HOUSING
REMOVAL
WARNING: Refer to the applicable warnings and
cautions for this system before performing the fol-
lowing operation (Refer to 24 - HEATING & AIR
CONDITIONING/PLUMBING - WARNINGS) and (Refer
to 24 - HEATING & AIR CONDITIONING/PLUMBING -
CAUTIONS). Failure to follow the warnings and cau-
tions could result in possible personal injury or
death.
Fig. 3 Rear A/C Evaporator Cover
1 - REAR A/C EVAPORATOR COVER
2 - DOME LAMP WIRE HARNESS
3 - SCREW (6)
4 - REAR DOME LAMPS
5 - PUSH-PIN FASTENER (22)
6 - CENTER ROOF DUCT PANEL
7 - REAR ROOF DUCT PANEL
VADISTRIBUTION - REAR 24 - 55

Page 2093 of 2305

MERCEDES-BENZ SPRINTER 2006 Service Manual (1) Disconnect and isolate the negative battery
cable.
(2) Remove the cover from the rear A/C evaporator
housing (Refer to 24 - HEATING & AIR CONDI-
TIONING/DISTRIBUTION - REAR/A/C EVAPORA-
TOR COVER-

(1) Disconnect and isolate the negative battery
cable.
(2) Remove the cover from the rear A/C evaporator
housing (Refer to 24 - HEATING & AIR CONDI-
TIONING/DISTRIBUTION - REAR/A/C EVAPORA-
TOR COVER-REAR - REMOVAL).
(3) Recover the refrigerant from the rear refriger-
ant system (Refer to 24 - HEATING & AIR CONDI-
TIONING/PLUMBING - STANDARD PROCEDURE -
REFRIGERANT RECOVERY).
(4) Remove the cover from the rear A/C condenser
housing (Refer to 24 - HEATING & AIR CONDI-
TIONING/DISTRIBUTION - REAR/A/C CON-
DENSER COVER - REMOVAL).
(5) Disconnect the rear A/C wire harness from the
rear condenser fan suppression filter and the rear
A/C high pressure switch and remove the retaining
straps that secure the wire harness to the rear liquid
line (Fig. 4).
(6) Disengage the rear A/C wire harness grommet
from the roof panel and pull the wire harness down
into the vehicle (Fig. 5).
(7) Disconnect the rear body wire harness connec-
tor from the rear A/C wire harness.
(8) Remove the retaining straps that secure the
rear dome lamp harness to the rear A/C evaporator
housing and position the rear dome lamp harness out
of the way.
(9) Remove the nut that secures the positive wire
lead to the rear A/C system terminal block and posi-
tion the wire lead out of the way.
(10) Remove the insulating tape from around the
rear evaporator connections.(11) Disconnect the rear liquid line from the rear
A/C expansion valve and remove and discard the
O-ring seal.
(12) Disconnect the rear suction line from the rear
evaporator outlet tube and remove and discard the
O-ring seal.
(13) Install plugs into, or tape over the opened
refrigerant line fittings and rear expansion valve and
evaporator tube ports.
(14) Disconnect and install plugs into the two rear
evaporator drain hoses.
(15) Support the rear A/C evaporator housing and
remove the nine screws, four bolts and washers and
four damping washers that secure the rear A/C evap-
orator housing to the roof panel.
(16) With help from an assistant, remove the rear
A/C evaporator housing from the vehicle.
(17) If required, remove the rear A/C evaporator
from the rear A/C evaporator housing (Refer to 24 -
HEATING & AIR CONDITIONING/PLUMBING/
REAR A/C EVAPORATOR - REMOVAL).
Fig. 4 Rear A/C Wire Harness - Condenser Side
1 - REAR CONDERSER FAN SUPPRESSION FILTER
2 - REAR A/C HIGH PRESSURE SWITCH
3 - REAR A/C WIRE HARNESS
4 - GROMMET
5 - RETAINING STRAPS
24 - 56 DISTRIBUTION - REARVA

Page 2094 of 2305

MERCEDES-BENZ SPRINTER 2006 Service Manual INSTALLATION
NOTE: Be certain to add refrigerant oil if the rear
A/C evaporator is being replaced. The refrigerant oil
must be drained from the old evaporator and mea-
sured to determine the amount of

INSTALLATION
NOTE: Be certain to add refrigerant oil if the rear
A/C evaporator is being replaced. The refrigerant oil
must be drained from the old evaporator and mea-
sured to determine the amount of refrigerant oil to
add to the new evaporator. Use only refrigerant oil
of the type recommended for the rear A/C compres-
sor in the vehicle.
(1) If the rear A/C evaporator is being replaced,
install the correct amount and type of refrigerant oil
into the new rear A/C evaporator. Drain the old evap-
orator and measure the refrigerant oil. Fill the new
evaporator with the same amount of new refrigerant
oil that was drained out of the old evaporator.
(2) With help from an assistant, position and sup-
port the rear A/C evaporator housing into the vehicle.
(3) Inspect the four rubber damping washers for
correct sealing. Replace the washers as required.
CAUTION: Be sure to install the rear A/C system
ground lead with one of the rear evaporator hous-
ing retaining bolts. Failure to correctly install theground lead could result in improper operation or
possible damage to the rear A/C system.
(4) Position the ground lead to the rear A/C evap-
orator housing and install the four bolts and washers
and four damping washers that secure the evapora-
tor housing to the roof panel. Tighten the bolts to 25
N´m (18 ft. lbs.).
(5) Install the nine screws that secure the rear A/C
evaporator housing to the roof panel. Tighten the
screws to 5 N´m (45 in. lbs.).
(6) Unplug and connect the two rear evaporator
drain hoses.
(7) Remove the tape or plugs from the refrigerant
line fittings and the rear expansion valve and evap-
orator tube ports.
(8) Lubricate a new O-ring seal with clean refrig-
erant oil and install it onto the rear liquid line fit-
ting. Use only the specified O-ring seal as it is made
of a special material for the R-134a system. Use only
refrigerant oil of the type recommended for the rear
A/C compressor in the vehicle.
(9) Connect the rear liquid line to the rear A/C
expansion valve. Tighten the liquid line nut to 35
N´m (26 ft. lbs.).
Fig. 5 Rear A/C Evaporator Housing
1 - REAR A/C EVAPORATOR HOUSING
2 - REAR A/C WIRE HARNESS
3 - REAR BODY WIRE HARNESS
4 - NUT
5 - POSITIVE WIRE LEAD
6 - GROUND LEAD
7 - GROMMET
8 - SEALING WASHER (4)
9 - BOLT AND WASHER (4)10 - REAR EVAPORATOR DRAIN HOSES
11 - SCREW (9)
12 - REAR DOME LAMP HARNESS
13 - REAR A/C EVAPANSION VALVE
14 - REAR LIQUID LINE FITTING
15 - REAR A/C EVAPORATOR OUTLET TUBE
16 - REAR SUCTION LINE FITTING
17 - INSULATING TAPE
VADISTRIBUTION - REAR 24 - 57

Page 2095 of 2305

MERCEDES-BENZ SPRINTER 2006 Service Manual (10) Lubricate a new O-ring seal with clean refrig-
erant oil and install it onto the rear suction line fit-
ting. Use only the specified O-ring seal as it is made
of a special material for the R-134a

(10) Lubricate a new O-ring seal with clean refrig-
erant oil and install it onto the rear suction line fit-
ting. Use only the specified O-ring seal as it is made
of a special material for the R-134a system. Use only
refrigerant oil of the type recommended for the rear
A/C compressor in the vehicle.
(11) Connect the rear suction line to the rear evap-
orator outlet tube. Tighten the suction line nut to 35
N´m (26 ft. lbs.).
(12) Install new insulating tape around the rear
evaporator connections.
(13) Install the positive wire lead onto the rear
A/C system terminal block and install the retaining
nut. Tighten the nut securely.
(14) Reposition the rear dome lamp harness and
install the retaining straps that secure the harness
to the rear A/C evaporator housing.
(15) Connect the rear A/C wire harness connector
to the rear body wire harness.
(16) Route the rear A/C wire harness up through
the roof panel and install the grommet.
(17) Connect the rear A/C wire harness to the rear
condenser fan suppression filter and the rear A/C
high pressure switch and install the retaining straps
that secure the wire harness to the rear liquid line.
(18) Reconnect the negative battery cable.
(19) Evacuate the rear refrigerant system (Refer to
24 - HEATING & AIR CONDITIONING/PLUMBING
- STANDARD PROCEDURE - REFRIGERANT SYS-
TEM EVACUATE).
(20) Charge the rear refrigerant system (Refer to
24 - HEATING & AIR CONDITIONING/PLUMBING
- STANDARD PROCEDURE - REFRIGERANT SYS-
TEM CHARGE).
(21) Install the cover onto the rear A/C evaporator
housing (Refer to 24 - HEATING & AIR CONDI-
TIONING/DISTRIBUTION - REAR/A/C EVAPORA-
TOR COVER-REAR - INSTALLATION).
(22) Install the cover onto the rear A/C condenser
housing (Refer to 24 - HEATING & AIR CONDI-
TIONING/DISTRIBUTION - REAR/A/C CON-
DENSER COVER - INSTALLATION).
AIR FILTER
REMOVAL
(1) Unlock the eight quick-release fasteners by
turning them 90 degrees counter clockwise (Fig. 6).
(2) Remove the rear air inlet grate from the rear
A/C evaporator cover.
(3) Remove the rear particulate air filter by disen-
gaging the velcro-type retainers.
(4) Carefully clean the rear particulate air filter
using compressed air.
INSTALLATION
NOTE: Replace the rear particulate air filter if it is
heavily soiled or damaged.
(1) Position the rear particulate air filter and
engage the velcro-type retainers.
(2) Install the rear air inlet grate onto the rear
A/C evaporator cover.
(3) Lock the eight quick-release fasteners by turn-
ing them 90 degrees clockwise.
BLOWER MOTOR
REMOVAL
(1) Disconnect and isolate the negative battery
cable.
(2) Remove the cover from the rear A/C evaporator
housing (Refer to 24 - HEATING & AIR CONDI-
TIONING/DISTRIBUTION - REAR/A/C EVAPORA-
TOR COVER-REAR - REMOVAL).
(3) Disconnect the wire harness connectors from
the rear blower motor suppression filter and from the
rear blower motor being serviced and remove the
suppression filter (Fig. 7).
(4) Remove the body sealer from around the rear
blower motor area being serviced.
(5) Remove the screws that secure each rear
blower motor to the rear evaporator housing and
remove blower motor.
Fig. 6 Rear Particulate Air Filter
1 - QUICK-RELEASE FASTENER (8)
2 - REAR A/C EVAPORATOR COVER
3 - REAR PARTICULATE AIR FILTER
4 - REAR AIR INLET GRATE
24 - 58 DISTRIBUTION - REARVA

Page 2096 of 2305

MERCEDES-BENZ SPRINTER 2006 Service Manual INSTALLATION
(1) Position the rear blower motor being serviced
to the rear A/C evaporator housing.
(2) Install the screws that secure each rear blower
motor to the rear A/C evaporator housing. Tighten

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