Mercedes-Benz Sprinter / Dodge Sprinter. Manual — part 402
INSTALLATION
CAUTION: Care must be taken to closley inspect
the gasket area around the time case cover to cyl-
inder head gasket coolant port. If damage is found,
replace the cylinder head gasket. Failure to do so
may result in engine damage.
NOTE: Thoroughly clean all mating surfaces with
the appropriate solvents to assure that no grease or
oil is present during assembly.
(1) Inspect cylinder head gasket and oil pan gas-
ket. If damaged, replace.
(2) Replace the front crankshaft seal (Refer to 9 -
ENGINE/ENGINE
BLOCK/CRANKSHAFT
OIL
SEAL - FRONT - INSTALLATION).
(3) Install ancillary components to timing case
cover.
(4) Apply sealant to the marked surfaces with a
bead thickness of 1.5 ± 0.5 mm (Fig. 74).
NOTE: Install timing cover within 10 minutes after
applying sealant. Do not spread sealant bead.
NOTE: Do not seal pressurized oil galleries to the
crankcase.
Sealant
applied
at
these
points
is
entrained by the oil flow and blocks the oil supply
passages.
(5) Position and install timing case cover. Tighten
bolts to 20 N·m (177 lbs in) (Fig. 73).
(6) Install the M8 bolts of cylinder head on timing
case cover. Tighten bolts to 20 N·m (177 lbs in) (Fig.
73).
(7) Install timing chain tensioner with new seal
(Refer to 9 - ENGINE/VALVE TIMING/TMNG BELT/
CHAIN TENSIONER&PULLEY - INSTALLATION).
(8) Position and install the oil pan. Tighten M6
bolts to 9 N·m (80 lbs in) and M8 bolts to 20 N·m
(177 lbs in).
(9) Install belt /pulley vibration damper. Tighten
M8.8 bolt in two stages, 200N·m (147 lbs ft.) then
90°, M10.9 bolt 325N·m (240 lbs ft) then 90°.
(10) Remove the engine support fixture.
(11) Install generator (Refer to 8 - ELECTRICAL/
CHARGING/GENERATOR - INSTALLATION).
(12) Install the air conditioning compressor.
(13) Install the power steering pump.
(14) Install water pump (Refer to 7 - COOLING/
ENGINE/WATER PUMP - INSTALLATION).
(15) Connect
coolant
hose
to
oil-water
heat
exchanger.
(16) Install high pressure fuel pump (Refer to 14 -
FUEL SYSTEM/FUEL DELIVERY/FUEL PUMP -
INSTALLATION).
(17) Apply sealant to lower portion of, and install,
front cover to cylinder block. Tighten bolts to 20N·m
(177 lbs in) (Refer to 9 - ENGINE/CYLINDER HEAD
- INSTALLATION).
(18) Remove retaining lock for crankshaft/starter
ring gear.
(19) Tighten the oil drain plug to 30N·m (265 lbs
in).
(20) Install a new oil filter. tighten screw cap for
filter to 25N·m (221 lbs. in.).
(21) Install the accessory drive belt.
(22) Install the radiator assembly (Refer to 7 -
COOLING/ENGINE/RADIATOR - INSTALLATION).
(23) Install air intake hose.
(24) Fill coolant to the proper level, with the
proper coolant (Refer to 7 - COOLING/ENGINE/
COOLANT - STANDARD PROCEDURE).
(25) Fill the crankcase with the correct oil, to the
proper level. Refer to owners manual for specifica-
tions.
(26) Connect the negative battery cable.
WARNING: USE EXTREME CAUTION WHEN THE
ENGINE IS OPERATING. DO NOT STAND IN A
DIRECT LINE WITH THE FAN. DO NOT PUT YOUR
HANDS NEAR THE PULLEYS, BELTS OR FAN. DO
NOT WEAR LOOSE CLOTHES.
CAUTION: DO NOT pressure test cooling system
until the engine reaches operating temperature.
Fig. 74 TIMING CHAIN COVER SEALING SURFACE
1 - TIMING CHAIN COVER
2 - SEALANT BEAD
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ENGINE
9 - 71
(27) Start engine and inspect for leaks. care must
be taken to observe the fuel system warning (Refer to
14 - FUEL SYSTEM - WARNING).
TIMING CHAIN AND SPROCK-
ETS
REMOVAL
REMOVAL - TENSIONING AND SLIDE RAILS
NOTE: If it necessary to replace the tensioning rail,
slide rail or tensioning arm, they are always
replaced together.
(1) Disconnect negative battery cable.
(2) Remove cylinder head (Refer to 9 - ENGINE/
CYLINDER HEAD - REMOVAL).
NOTE: Remove timing case cover carefully. Care
must be taken not to damage oil pan gasket.
(3) Remove
timing
case
cover
(Refer
to
9
-
ENGINE/VALVE TIMING/TIMING BELT / CHAIN
COVER(S) - REMOVAL).
(4) Pull the tensioning rail off of the bearing pins
(Fig. 75).
(5) Release the spring at the slide rail and take it
off of the tensioning arm (Fig. 75).
9 - 72
ENGINE
VA
REMOVAL - INTERMEDIATE GEAR
(1) Disconnect negative battery cable.
(2) Remove engine cover (Refer to 9 - ENGINE -
REMOVAL).
WARNING: NO FIRE, FLAMES OR SMOKING. RISK
OF POISONING FROM INHALING OR SWALLOWING
FUEL. RISK OF INJURY TO EYES AND SKIN FROM
CONTACT WITH FUEL. POUR FUELS ONLY INTO
SUITABLE AND APPROPRIATELY MARKED CON-
TAINERS. WEAR PROTECTIVE CLOTHING.
(3) Remove
fuel
high
pressure
lines
injectors
(Refer to 14 - FUEL SYSTEM/FUEL INJECTION/
FUEL INJECTOR - REMOVAL).
(4) Clean injectors and recesses (Refer to 14 -
FUEL SYSTEM/FUEL INJECTION/FUEL INJEC-
TOR - STANDARD PROCEDURE).
(5) Remove cylinder head cover (Refer to 9 -
ENGINE/CYLINDER
HEAD/CYLINDER
HEAD
COVER(S) - REMOVAL).
(6) Insert locking pin through first camshaft bear-
ing cap into hole in inlet camshaft sprocket to lock
inlet camshaft.
(7) Remove timing chain tensioner (Refer to 9 -
ENGINE/VALVE
TIMING/TIMING
BELT/CHAIN
AND SPROCKETS - REMOVAL).
(8) Remove high pressure pump (Refer to 14 -
FUEL SYSTEM/FUEL DELIVERY/FUEL INJEC-
TION PUMP - REMOVAL).
(9) Remove cylinder head front cover (Refer to 9 -
ENGINE/CYLINDER HEAD - REMOVAL).
(10) Remove top slide rail (Refer to 9 - ENGINE/
CYLINDER HEAD - REMOVAL).
NOTE: Note position of dowel pin for camshaft
sprocket alignment during reassembly.
(11) Unbolt
exhaust
camshaft
sprocket
and
remove.
Fig. 75 TENSIONING AND SLIDE RAILS
1 - TENSIONING RAIL
5 - TENSIONING CLAMP
2 - BEARING PIN
6 - BEARING PIN
3 - SLIDE RAIL
7 - SPRING
4 - BEARING PIN
8 - OIL PUMP
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ENGINE
9 - 73
(12) Remove the intake camshaft (Refer to 9 -
ENGINE/CYLINDER
HEAD/CAMSHAFT(S)
-
REMOVAL).
(13) Remove intermediate gear and bushing (Fig.
76).
REMOVAL - TIMING CHAIN TENSIONING RAIL
(1) Disconnect negative battery cable.
(2) Remove cylinder head (Refer to 9 - ENGINE/
CYLINDER HEAD - REMOVAL).
NOTE: Remove timing case cover carefully. Care
must be taken not to damage oil pan gasket.
(3) Remove timing chain cover (Refer to 9 -
ENGINE/VALVE TIMING/TIMING BELT / CHAIN
COVER(S) - REMOVAL).
(4) Remove tensioning rail from bearing pin (Fig.
77).
REMOVAL - TIMING CHAIN
(1) Remove cylinder head cover (Refer to 9 -
ENGINE/CYLINDER
HEAD/CYLINDER
HEAD
COVER(S) - REMOVAL).
NOTE: Cover the timing chain area. Care must be
taken not to drop any repair debris or pieces into
the engine when separating the timing chain links.
(2) Install special tool # 9525 using two of the cyl-
inder head cover bolts (Fig. 78).
Fig. 76 HIGH RESSURE PUMP INTERMEDIATE
GEAR
1 - CAMSHAFT SPROCKET BOLTS
2 - INTAKE CAMSHAFT
3 - DOWEL PIN
4 - INTERMEDIATE GEAR BUSHING
5 - INTERMEDIATE GEAR
6 - CAMSHAFT LOCKING PIN #8929
7 - INTAKE CAMSHAFT SPROCKET
Fig. 77 TIMING CHAIN TENSIONING RAIL
1 - TIMING CHAIN COVER
2 - TENSIONING RAIL
3 - BEARING PIN
4 - OIL PAN
9 - 74
ENGINE
VA
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