2002 DODGE RAM Service Repair Manual

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Page 1201 of 2255

DODGE RAM 2002 Service Repair Manual (8) Connect the engine harness connector and
ground cable to the PDC.
(9) Connect the vacuum pump supply hose.
(10) Connect the APPS connector (Fig. 5).
(11) Install the APPS assembly bracket to the c

(8) Connect the engine harness connector and
ground cable to the PDC.
(9) Connect the vacuum pump supply hose.
(10) Connect the APPS connector (Fig. 5).
(11) Install the APPS assembly bracket to the cyl-
inder head bracket.
(12) Install the throttle linkage cover.
(13) Connect the power steering pressure and
return lines.
(14) Connect the passenger battery ground cable to
the engine block. Tighten the bolt to 77 N´m (57 ft.
lbs.) torque.
(15) Connect the engine block heater connector.
(16) Connect the a/c compressor electrical connec-
tors.
(17) Install the charge air cooler and a/c condenser
(if a/c equipped). Install and tighten the charge air
cooler mounting bolts to 2 N´m (17 in. lbs.) torque.
(18) Connect the charge air cooler piping. Torque
all clamps to 8 N´m (72 in. lbs.) torque.
(19) Connect the a/c refrigerant lines to the a/c
condenser (if equipped).
(20) Install the front bumper (Refer to 13 -
FRAMES & BUMPERS/BUMPERS/FRONT
BUMPER - INSTALLATION).(21) Install the radiator upper support panel.
(22) Install the radiator (Refer to 7 - COOLING/
ENGINE/RADIATOR - INSTALLATION).
(23) Connect the transmission quick-connect oil
cooler lines to the radiator. Push together until an
audible ªclickº is heard. Verify connection by pulling
apart.
(24) Raise vehicle.
(25) Connect a/c compressor suction/discharge hose
(if a/c equipped).
(26) Install the radiator lower hose and clamps.
(27) Install the starter motor (Refer to 8 - ELEC-
TRICAL/STARTING/STARTER MOTOR - INSTAL-
LATION).
(28) Install the transmission and transfer case (if
equipped).
(29) Connect the exhaust pipe to the turbocharger
elbow (Fig. 3). Torque the bolts to 34 N´m (25 ft. lbs.)
torque.
(30) Connect the transmission auxiliary oil cooler
lines (if equipped).
(31) Lower the vehicle
(32) Connect the heater core supply and return
hoses.
(33) Install the cooling fan and shroud at the same
time (Refer to 7 - COOLING/ENGINE/RADIATOR
FAN - INSTALLATION).
(34) Install the coolant recovery bottle to the fan
shroud (Fig. 2) and connect the hose to the radiator
filler neck.
(35) Install the windshield washer bottle to the fan
shroud and connect the pump supply hose and elec-
trical connections.
(36) Install the radiator upper hose and clamps.
(37) Change oil filter and install new engine oil.
(38) Fill cooling system with coolant (Refer to 7 -
COOLING - STANDARD PROCEDURE).
(39) Connect battery negative cables.
(40) Perform the fuel line air bleed procedure
(Refer to 14 - FUEL SYSTEM/FUEL DELIVERY -
STANDARD PROCEDURE).
(41) Start engine and inspect for engine oil, cool-
ant, and fuel leaks.
INSTALLATIONÐCRANKCASE BREATHER
VAPOR CANISTER
(1) Position vapor canister with strap over stud on
engine front cover. Install retaining nut. Tighten nut
10 N´m ( 89 in. lbs.).
(2) If removed, position hose onto crankcase
breather, then position clamp.
(3) Position lower portion of hose into vapor canis-
ter, then install and tighten cap.
Fig. 9 Crankcase Breather Vapor Canister
1 - ENGINE FRONT COVER STUD
2 - STRAP
3 - VAPOR CANISTER
4 - NUT
5 - CAP
6 - CRANKCASE BREATHER
7 - CLAMP
8 - HOSE
9 - 126 ENGINE 5.9L DIESELBR/BE
ENGINE 5.9L DIESEL (Continued)

Page 1202 of 2255

DODGE RAM 2002 Service Repair Manual SPECIFICATIONS
5.9L DIESEL
DESCRIPTION SPECIFICATION
Engine Type In-Line 6 Cyl. Turbo
Diesel
Bore and Stroke 102.0 X 120.0 mm
(4.02 X 4.72 in.)
Displacement 5.9L (359 cu. in.)
Compression Ratio
245 H.

SPECIFICATIONS
5.9L DIESEL
DESCRIPTION SPECIFICATION
Engine Type In-Line 6 Cyl. Turbo
Diesel
Bore and Stroke 102.0 X 120.0 mm
(4.02 X 4.72 in.)
Displacement 5.9L (359 cu. in.)
Compression Ratio
245 H.P. Version 17.0:1
235 H.P. Version 16.3:1
Horsepower (A/T and 5
Speed M/T)235 @ 2700 rpm
Horsepower (6 Speed M/T
Only)245 @ 2700 rpm
Torque Rating (A/T and 5
Speed M/T)460 ft. lbs. @ 1600 rpm
Torque Rating (6 Speed
M/T Only)505 ft. lbs. @ 1600 rpm
Firing Order 1-5-3-6-2-4
Lubrication System Pressure Feed-Full Flow
With Bypass Valve
Cylinder Block Cast Iron
Crankshaft Induction Hardened
Forged Steel
Cylinder Head Cast Iron With Valve
Seat Inserts
Combustion Chambers High Swirl Bowl
Camshaft Chilled Ductile Iron
Pistons Cast Aluminum
Connecting Rods Cross Rolled Micro Alloy
PISTONS AND CONNECTING RODS
Piston
Skirt Diameter 101.864 ± 101.88 mm
(4.0104 ± 4.011 in.)
Ring Groove Clearance
Intermediate (Max.) 0.095 mm (0.0037 in.)
Oil Control (Max.) 0.085 mm (0.0033 in.)
Piston Pins
Pin Diameter (Min.) 39.990 mm (1.5744 in.)
Bore Diameter (Max.) 40.025 mm (1.5758 in.)
Piston Ring End Gap
DESCRIPTION SPECIFICATION
Top Ring 0.35 ± 0.45 mm
(0.014 ± 0.0177 in.)
Intermediate 0.85 ± 1.15 mm
(0.0334 ± 0.0452 in.)
Oil Control 0.250 ± 0.550 mm
(0.010 ± 0.0215 in.)
Connecting Rods
Pin Bore Diameter (Max.) 40.042 mm (1.5764 in.)
Side Clearance 0.100 ± 0.330 mm
(0.004 ± 0.013 in.)
CYLINDER HEAD
Overall Flatness End to
End (Max.)0.30 mm (0.012 in.)
Overall Flatness Side to
Side (Max.)0.076 mm (0.003 in.)
Intake Valve Seat Angle 30É
Exhaust Valve Seat Angle 45É
Valve Seat Width
(Min.) 1.49 mm (0.059 in.)
(Max.) 1.80 mm (0.071 in.)
Valve Margin (Min.) 0.72 mm (0.031 in.)
OIL PRESSURE
At Idle 69 kPa (10 psi)
At 2,500 rpm 207 kPa (30 psi)
Regulating Valve Opening
Pressure448 kPa (65 psi)
Oil Filter Bypass Pressure
Setting344.75 kPa (50 psi)
TORQUE
TORQUE CHART 5.9L DIESEL ENGINE
DESCRIPTION N´m In. Ft.
Lbs. Lbs.
Connecting RodÐBolts
Step 1 35 Ð 26
Step 2 70 Ð 51
Step 3 100 Ð 73
Cylinder HeadÐBolts
Step 1 80 Ð 59
Step 2 105 Ð 77
Step 3 Verify 105 Ð 77
BR/BEENGINE 5.9L DIESEL 9 - 127
ENGINE 5.9L DIESEL (Continued)

Page 1203 of 2255

DODGE RAM 2002 Service Repair Manual DESCRIPTION N´m In. Ft.
Step 4 Rotate All Bolts 1/4
Turn
Cylinder Head CoverÐBolts 24 18 Ð
Fuel Delivery Lines (High
Pressure)
At Pump 24 Ð 18
At Cylinder Head 38 Ð 28
Fuel Drain LineÐBanjo 24 �

Page 1204 of 2255

DODGE RAM 2002 Service Repair Manual ENGINE DATA PLATE
DESCRIPTION
The engine data plate contains specific information
that is helpful to servicing and obtaining parts for
the engine. The data plate is located on the left side
of the eng

ENGINE DATA PLATE
DESCRIPTION
The engine data plate contains specific information
that is helpful to servicing and obtaining parts for
the engine. The data plate is located on the left side
of the engine, affixed to the gear housing. Informa-
tion that can be found on the data plate includes:
²Date of Engine Manufacture
²Engine Serial Number
²Control Parts List (CPL)
²Engine Rated Horsepower
²Engine Firing Order
²Engine Displacement
²Valve Lash Reset Specifications
If the engine data plate is missing or not legible,
the engine serial number is used for engine identifi-
cation. The engine serial number is stamped on the
right side of the block, on top of the oil cooler cavity
(Fig. 10) .
AIR CLEANER ELEMENT
REMOVAL
Testing Air Cleaner Element using Filter Minder
Do not attempt to unnecessarily remove the
top of the air cleaner housing for air cleaner
element inspection on diesel engines.
The air cleaner (filter) housing is equipped with an
air Filter MinderŸ gauge (Fig. 11). This air flowrestriction gauge will determine when the air cleaner
element is restricted and should be replaced.
The Filter MinderŸ consists of a diaphragm and
calibrated spring sealed inside of a plastic housing
(Fig. 12). A yellow colored disc attached to the dia-
phragm moves along a graduated scale on the side of
the Filter Minder. After the engine has been shut off,
a ratcheting device located within the Filter Minder
will hold the yellow disc at the highest restriction
that the air cleaner element has experienced. A drop
in air pressure due to an air cleaner element restric-
tion moves the diaphragm and the yellow disc will
indicate the size of the air drop.
TEST PLUG - 8442
ADAPTER - 8462
Fig. 10 Engine Serial Number Location
Fig. 11 Filter MinderŸÐLocationÐDiesel Engine
1 - AIR FILTER HOUSING COVER
2 - TURBOCHARGER
3 - AIR INLET TUBE
4 - HOSE CLAMP
5 - HINGE TABS
6 - FILTER MINDER
7 - CLIPS (4)
8 - TUBE ALIGNMENT NOTCHES
BR/BEENGINE 5.9L DIESEL 9 - 129
ENGINE 5.9L DIESEL (Continued)

Page 1205 of 2255

DODGE RAM 2002 Service Repair Manual CAUTION: Certain engine degreasers or cleaners
may discolor or damage the plastic housing of the
Filter Minder. Cover and tape the Filter Minder if any
engine degreasers or cleaners are to be used.
To

CAUTION: Certain engine degreasers or cleaners
may discolor or damage the plastic housing of the
Filter Minder. Cover and tape the Filter Minder if any
engine degreasers or cleaners are to be used.
To test, turn the engine off. If the yellow disc (Fig.
12) has reached the red colored zone on the gradu-
ated scale, the air cleaner element should be
replaced. Refer to the proceeding removal/installation
paragraphs.
Resetting the Filter Minder:After the air
cleaner (filter) element has been replaced, press the
rubber button on the top of the Filter Minder (Fig.
12). This will allow the yellow colored disc to reset.
After the button has been pressed, the yellow disc
should spring back to the UP position.
If the Filter Minder gauge has reached the red col-
ored zone, and after an examination of the air
cleaner (filter) element, the element appears to be
clean, the high reading may be due to a temporary
condition such as snow build-up at the air intake.
Temporary high restrictions may also occur if the air
cleaner (filter) element has gotten wet such as during
a heavy rain or snow. If this occurs, allow the ele-
ment to dry out during normal engine operation.
Reset the rubber button on the top of the Filter
Minder and retest after the element has dried.Removal
(1) Loosen air inlet tube clamp at air cleaner hous-
ing inlet (Fig. 11). Remove this tube at air cleaner
housing cover.
(2) The housing cover is equipped with four (4)
spring clips (Fig. 11) and is hinged at front with plas-
tic tabs. Unlatch clips from top of air cleaner housing
and tilt housing cover up and forward for cover
removal.
(3) Remove air cleaner element from air cleaner
housing.
INSTALLATION
(1) Before installing a new air cleaner element,
clean inside of air cleaner housing.
(2) Position air cleaner cover to tabs on front of air
cleaner housing. Latch four spring clips to seal cover
to housing.
(3) Install air inlet tube at air cleaner housing
inlet. Note hose alignment notches at both inlet hose
and air cleaner cover (Fig. 11).
(4) Position tube clamp to inlet tube and tighten to
3 N´m (25 in. lbs.) torque.
CYLINDER HEAD
DESCRIPTION
The cylinder head (Fig. 13) is constructed of cast
iron and is a one piece cross flow design with four
valves per cylinder. The arrangement of two intake
and two exhaust valves per cylinder allows for a cen-
trally located injector. The cylinder head also
includes an integral intake manifold, an integral
thermostat housing, and a longitudal fuel return
rifle, which exits at the rear of the head. The 24
valve design also includes integrally cast valve
guides and hardened intake and exhaust valve seat
inserts.
REMOVAL
(1) Disconnect battery negative cables.
(2) Raise vehicle on hoist.
(3) Drain engine coolant.
(4) Disconnect exhaust pipe from turbocharger
elbow (Fig. 14).
(5) Lower vehicle.
(6) Remove air cleaner housing and snorkel from
the vehicle. Cap off turbocharger air inlet to prevent
intrusion of dirt or foreign material.
(7) Disconnect cab heater core supply and return
hoses from the cylinder head and heater pipe.
(8) Disconnect turbocharger oil drain tube at rub-
ber hose connection. Cap off open ports to prevent
intrusion of dirt or foreign material.
Fig. 12 Filter MinderŸÐDiesel Engine
1 - PRESS BUTTON TO RESET
2 - YELLOW DISC
3 - RED ZONE
4 - TO AIR FILTER HOUSING
5 - FILTER MINDER
9 - 130 ENGINE 5.9L DIESELBR/BE
AIR CLEANER ELEMENT (Continued)

Page 1206 of 2255

DODGE RAM 2002 Service Repair Manual (9) Disconnect turbocharger oil supply line at the
turbocharger end. Cap off open ports to prevent
intrusion of dirt or foreign material.
(10) Remove exhaust manifold-to-cylinder head
bolts and spacer

Page 1207 of 2255

DODGE RAM 2002 Service Repair Manual (21) Remove the charge air cooler-to-air inlet hous-
ing pipe.
(22) Remove the air inlet housing and intake grid
heater from the intake manifold cover.(23) Remove the engine lift bracket from the rear

Page 1208 of 2255

DODGE RAM 2002 Service Repair Manual (e) Loosen the #3, 5, and 6 cylinder high pres-
sure lines at the injection pump.
(f) Loosen the #3, 5, and 6 cylinder high pres-
sure lines at the cylinder head.
(g) Remove the #3, 5, and 6 cylinder

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