2001 DODGE RAM Service Repair Manual

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Page 1257 of 2889

DODGE RAM 2001 Service Repair Manual DIAGNOSIS AND TESTINGÐINTAKE
MANIFOLD LEAKAGE
An intake manifold air leak is characterized by
lower than normal manifold vacuum. Also, one or
more cylinders may not be functioning.
WARNING: USE EXTRE

DIAGNOSIS AND TESTINGÐINTAKE
MANIFOLD LEAKAGE
An intake manifold air leak is characterized by
lower than normal manifold vacuum. Also, one or
more cylinders may not be functioning.
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 THE FAN.
DO NOT WEAR LOOSE CLOTHING.
(1) Start the engine.
(2) Spray a small stream of water at the suspected
leak area.
(3) If a change in RPMs, the area of the suspected
leak has been found.
(4) Repair as required.
REMOVAL
(1) Disconnect the negative cable from the battery.
(2) Drain the cooling system (Refer to 7 - COOL-
ING - STANDARD PROCEDURE).
(3) Remove the A/C compressor (Refer to 24 -
HEATING & AIR CONDITIONING/PLUMBING/A/C
COMPRESSOR - REMOVAL).
(4) Remove the generator (Refer to 8 - ELECTRI-
CAL/CHARGING/GENERATOR - REMOVAL).
(5) Remove the accessory drive bracket.
(6) Remove the air cleaner.
(7) Perform the Fuel System Pressure release pro-
cedure (Refer to 14 - FUEL SYSTEM/FUEL DELIV-
ERY - STANDARD PROCEDURE). Disconnect the
fuel lines (Refer to 14 - FUEL SYSTEM/FUEL
DELIVERY/QUICK CONNECT FITTING - STAN-
DARD PROCEDURE).
(8) Disconnect the accelerator linkage (Refer to 14
- FUEL SYSTEM/FUEL INJECTION/THROTTLE
CONTROL CABLE - REMOVAL) and if so equipped,
the speed control and transmission kickdown cables.
(9) Remove the return spring.
(10) Remove the distributor cap and wires.
(11) Disconnect the coil wires.
(12) Disconnect the heat indicator sending unit
wire.
(13) Disconnect the heater hoses and bypass hose.
(14) Remove the closed crankcase ventilation and
evaporation control systems.(15) Remove intake manifold bolts.
(16) Lift the intake manifold and throttle body out
of the engine compartment as an assembly.
(17) Remove and discard the flange side gaskets
and the front and rear cross-over gaskets.
(18) Remove the throttle body bolts and lift the
throttle body off the intake manifold (Fig. 65). Dis-
card the gasket.
(19) If required, remove the plenum pan and gas-
ket. Discard gasket.
CLEANING
Clean manifold in solvent and blow dry with com-
pressed air.
Clean cylinder block front and rear gasket surfaces
using a suitable solvent.
The plenum pan rail must be clean and dry (free of
all foreign material).
INSPECTION
Inspect manifold for cracks.
Inspect mating surfaces of manifold for flatness
with a straightedge.
Fig. 65 Throttle Body Assembly
1 - FUEL RAIL ASSEMBLY
2 - FUEL RAIL MOUNTING BOLTS
3 - FUEL RAIL CONNECTING HOSES
9 - 110 ENGINE 5.2LBR/BE
INTAKE MANIFOLD (Continued)

Page 1258 of 2889

DODGE RAM 2001 Service Repair Manual INSTALLATION
(1) If removed, position new plenum gasket and
install plenum pan (Fig. 66).
(2) Tighten plenum pan mounting bolts as follows:
²Step 1. Tighten bolts to 5.4 N´m (48 in. lbs.)
²Step 2.

Page 1259 of 2889

DODGE RAM 2001 Service Repair Manual (8) Install the intake manifold bolts and tighten as
follows (Fig. 69):
²Step 1. Tighten bolts 1 through 4 to 8 N´m (72
in. lbs.) Tighten in alternating steps 1.4 N´m (12 in.
lbs.) at a time
²Step

(8) Install the intake manifold bolts and tighten as
follows (Fig. 69):
²Step 1. Tighten bolts 1 through 4 to 8 N´m (72
in. lbs.) Tighten in alternating steps 1.4 N´m (12 in.
lbs.) at a time
²Step 2. Tighten bolts 5 through 12 to 8 N´m (72
in. lbs.)
²Step 3. Check all bolts are torqued to 8 N´m (72
in. lbs.)
²Step 4. Tighten all bolts in sequence to 16 N´m
(12 ft. lbs.)
²Step 5. Check all bolts are torqued to 16 N´m
(12 ft. lbs.)
(9) Install closed crankcase ventilation and evapo-
ration control systems.
(10) Connect the coil wires.
(11) Connect the heat indicator sending unit wire.
(12) Connect the heater hoses and bypass hose.
(13) Install distributor cap and wires.
(14) Hook up the return spring.
(15) Connect the accelerator linkage (Refer to 14 -
FUEL SYSTEM/FUEL INJECTION/THROTTLE
CONTROL CABLE - INSTALLATION) and if so
equipped, the speed control and transmission kick-
down cables.
(16) Install the fuel lines (Refer to 14 - FUEL SYS-
TEM/FUEL DELIVERY/QUICK CONNECT FIT-
TING - STANDARD PROCEDURE).
(17) Install the accessory drive bracket and A/C
compressor (Refer to 24 - HEATING & AIR CONDI-
TIONING/PLUMBING/A/C COMPRESSOR -
INSTALLATION).
(18) Install the generator and drive belt (Refer to 7
- COOLING/ACCESSORY DRIVE/DRIVE BELTS -
INSTALLATION). Tighten generator mounting bolt
to 41 N´m (30 ft. lbs.) torque.
(19) Install the air cleaner.
(20) Fill cooling system (Refer to 7 - COOLING -
STANDARD PROCEDURE).
(21) Connect the negative cable to the battery.EXHAUST MANIFOLD
DESCRIPTION
The exhaust manifolds (Fig. 70) are constructed of
cast iron and are LOG type with balanced flow. One
exhaust manifold is attached to each cylinder head.
OPERATION
The exhaust manifolds collect the engine exhaust
exiting the combustion chambers, then channels the
exhaust gases to the exhaust pipes attached to the
manifolds.
REMOVAL
(1) Disconnect the negative cable from the battery.
(2) Raise and support the vehicle.
(3) Remove the bolts and nuts attaching the
exhaust pipe to the engine exhaust manifold.
(4) Lower the vehicle.
(5) Remove the exhaust heat shields.
(6) Remove bolts, nuts and washers attaching
manifold to cylinder head.
(7) Remove manifold from the cylinder head.
CLEANING
Clean mating surfaces on cylinder head and mani-
fold. Wash with solvent and blow dry with com-
pressed air.
INSPECTION
Inspect manifold for cracks.
Fig. 69 Intake Manifold Bolt Tightening Sequence
Fig. 70 Exhaust ManifoldsÐV-8 Gas Engines Typical
1 - EXHAUST MANIFOLD (LEFT)
2 - BOLTS & WASHERS
3 - NUTS & WASHERS
4 - EXHAUST MANIFOLD (RIGHT)
5 - BOLTS & WASHERS
9 - 112 ENGINE 5.2LBR/BE
INTAKE MANIFOLD (Continued)

Page 1260 of 2889

DODGE RAM 2001 Service Repair Manual Inspect mating surfaces of manifold for flatness
with a straight edge. Gasket surfaces must be flat
within 0.2 mm per 300 mm (0.008 inch per foot).
INSTALLATION
CAUTION: If the studs came out with the

Inspect mating surfaces of manifold for flatness
with a straight edge. Gasket surfaces must be flat
within 0.2 mm per 300 mm (0.008 inch per foot).
INSTALLATION
CAUTION: If the studs came out with the nuts when
removing the engine exhaust manifold, install new
studs. Apply sealer on the coarse thread ends.
Water leaks may develop at the studs if this precau-
tion is not taken.
(1) Position the engine exhaust manifolds on the
two studs located on the cylinder head. Install coni-
cal washers and nuts on these studs (Fig. 71).
(2) Install two bolts and conical washers at the
inner ends of the engine exhaust manifold outboard
arms. Install two bolts WITHOUT washers on the
center arm of engine exhaust manifold (Fig. 71).
Starting at the center arm and working outward,
tighten the bolts and nuts to 34 N´m (25 ft. lbs.)
torque.
(3) Install the exhaust heat shields.
(4) Raise and support the vehicle.
(5) Assemble exhaust pipe to manifold and secure
with bolts, nuts and retainers. Tighten the bolts and
nuts to 34 N´m (25 ft. lbs.) torque.
(6) Lower the vehicle.
(7) Connect the negative cable to the battery.
TIMING BELT / CHAIN
COVER(S)
REMOVAL
(1) Disconnect the negative cable from the battery.
(2) Remove water pump (Refer to 7 - COOLING/
ENGINE/WATER PUMP - REMOVAL).
(3) Remove power steering pump (Refer to 19 -
STEERING/PUMP - REMOVAL).
(4) Remove vibration damper (Refer to 9 -
ENGINE/ENGINE BLOCK/VIBRATION DAMPER -
REMOVAL).
(5) Loosen oil pan bolts and remove the front bolt
at each side.
(6) Remove the cover bolts.
(7) Remove chain case cover and gasket using
extreme caution to avoid damaging oil pan gasket.
INSTALLATION
(1) Be sure mating surfaces of chain case cover
and cylinder block are clean and free from burrs.
(2) The water pump mounting surface must be
cleaned.
(3) Using a new cover gasket, carefully install
chain case cover to avoid damaging oil pan gasket.
Use a small amount of MopartSilicone Rubber Adhe-
sive Sealant, or equivalent, at the joint between tim-
ing chain cover gasket and the oil pan gasket. Finger
tighten the timing chain cover bolts at this time.
NOTE: Special Tool 6635 must be used to align the
front cover and seal with the crankshaft.
(4) Position the special tool 6635 onto the crank-
shaft (Fig. 72).
(5) Tighten chain case cover bolts to 41 N´m (30
ft.lbs.) torque. Tighten oil pan bolts to 24 N´m (215
in. lbs.) torque.
(6) Remove special tool 6635.
(7) Inspect the seal flange on the vibration
damper.
(8) Install vibration damper (Refer to 9 - ENGINE/
ENGINE BLOCK/VIBRATION DAMPER - INSTAL-
LATION).
(9) Install water pump and housing assembly
using new gaskets (Refer to 7 - COOLING/ENGINE/
WATER PUMP - INSTALLATION).
(10) Install power steering pump (Refer to 19 -
STEERING/PUMP - INSTALLATION).
(11) Install the serpentine belt (Refer to 7 - COOL-
ING/ACCESSORY DRIVE/DRIVE BELTS - INSTAL-
LATION).
(12) Install the cooling system fan (Refer to 7 -
COOLING/ENGINE/RADIATOR FAN - INSTALLA-
TION).
Fig. 71 Engine Exhaust Manifold InstallationÐ5.2L/
5.9L Engines
1 - EXHAUST MANIFOLD (LEFT)
2 - BOLTS & WASHERS
3 - NUTS & WASHERS
4 - EXHAUST MANIFOLD (RIGHT)
5 - BOLTS & WASHERS
BR/BEENGINE 5.2L 9 - 113
EXHAUST MANIFOLD (Continued)

Page 1261 of 2889

DODGE RAM 2001 Service Repair Manual (13) Position the fan shroud and install the bolts.
Tighten the bolts to 11 N´m (95 in. lbs.) torque.
(14) Fill cooling system (Refer to 7 - COOLING -
STANDARD PROCEDURE).
(15) Connect the negative c

Page 1262 of 2889

DODGE RAM 2001 Service Repair Manual INSTALLATION
(1) Place both camshaft sprocket and crankshaft
sprocket on the bench with timing marks on exact
imaginary center line through both camshaft and
crankshaft bores.
(2) Place timing chain a

Page 1263 of 2889

DODGE RAM 2001 Service Repair Manual ENGINE 5.9L
TABLE OF CONTENTS
page page
ENGINE 5.9L
DESCRIPTION..........................117
DIAGNOSIS AND TESTING................118
ENGINE DIAGNOSIS - INTRODUCTION.....118
PERFORMANCE...............

ENGINE 5.9L
TABLE OF CONTENTS
page page
ENGINE 5.9L
DESCRIPTION..........................117
DIAGNOSIS AND TESTING................118
ENGINE DIAGNOSIS - INTRODUCTION.....118
PERFORMANCE.......................118
MECHANICAL.........................120
LUBRICATION........................123
CYLINDER COMPRESSION PRESSURE....124
CYLINDER COMBUSTION PRESSURE
LEAKAGE............................124
STANDARD PROCEDURE.................125
FORM-IN-PLACE GASKETS AND SEALERS . . 125
REPAIR DAMAGED OR WORN THREADS . . . 125
HYDROSTATIC LOCK...................125
CYLINDER BORE HONING...............126
REMOVAL.............................126
INSTALLATION..........................127
SPECIFICATIONS........................129
SPECIAL TOOLS........................134
CYLINDER HEAD
DESCRIPTION..........................136
OPERATION............................136
DIAGNOSIS AND TESTING................136
CYLINDER HEAD GASKET FAILURE.......136
REMOVAL.............................137
CLEANING.............................137
INSPECTION...........................137
INSTALLATION..........................137
CYLINDER HEAD COVER(S)
REMOVAL.............................138
CLEANING.............................138
INSPECTION...........................138
INSTALLATION..........................138
INTAKE/EXHAUST VALVES & SEATS
DESCRIPTION..........................138
STANDARD PROCEDURE.................138
VALVES, GUIDES AND SPRINGS..........138
REMOVAL.............................140
CLEANING.............................140
INSPECTION...........................141
INSTALLATION..........................141
ROCKER ARM / ADJUSTER ASSY
REMOVAL.............................142
INSTALLATION..........................142
ENGINE BLOCK
CLEANING.............................142
INSPECTION...........................142
CAMSHAFT & BEARINGS (IN BLOCK)
REMOVAL.............................143INSTALLATION..........................144
CONNECTING ROD BEARINGS
STANDARD PROCEDURE.................144
CONNECTING ROD BEARING FITTING.....144
CRANKSHAFT
DESCRIPTION..........................145
OPERATION............................145
REMOVAL.............................145
INSTALLATION..........................145
CRANKSHAFT MAIN BEARINGS
DESCRIPTION..........................146
OPERATION............................146
STANDARD PROCEDURE.................146
CRANKSHAFT MAIN BEARING FITTING....146
REMOVAL.............................147
INSTALLATION..........................147
CRANKSHAFT OIL SEAL - FRONT
DESCRIPTION..........................147
OPERATION............................147
REMOVAL.............................147
INSTALLATION..........................148
CRANKSHAFT OIL SEAL - REAR
DESCRIPTION..........................148
OPERATION............................148
REMOVAL.............................149
INSTALLATION..........................149
DISTRIBUTOR BUSHING
REMOVAL.............................150
INSTALLATION..........................150
HYDRAULIC LIFTERS
DIAGNOSIS AND TESTING................151
HYDRAULIC TAPPETS..................151
REMOVAL.............................152
CLEANING.............................152
INSTALLATION..........................152
PISTON & CONNECTING ROD
DESCRIPTION..........................153
STANDARD PROCEDURE.................153
PISTON FITTING......................153
REMOVAL.............................154
CLEANING.............................154
INSPECTION...........................154
INSTALLATION..........................154
PISTON RINGS
STANDARD PROCEDURE.................154
PISTON RING FITTING..................154
VIBRATION DAMPER
REMOVAL.............................155
INSTALLATION..........................156
9 - 116 ENGINE 5.9LBR/BE

Page 1264 of 2889

DODGE RAM 2001 Service Repair Manual FRONT MOUNT
REMOVAL.............................156
INSTALLATION..........................156
REAR MOUNT
REMOVAL.............................157
INSTALLATION..........................158
LUBRICATION
D

FRONT MOUNT
REMOVAL.............................156
INSTALLATION..........................156
REAR MOUNT
REMOVAL.............................157
INSTALLATION..........................158
LUBRICATION
DESCRIPTION..........................158
OPERATION............................158
DIAGNOSIS AND TESTING................160
ENGINE OIL LEAKS....................160
ENGINE OIL PRESSURE................160
OIL
STANDARD PROCEDURE.................160
ENGINE OIL..........................160
OIL FILTER
REMOVAL.............................161
INSTALLATION..........................161
OIL PAN
REMOVAL.............................161
CLEANING.............................162
INSPECTION...........................162
INSTALLATION..........................162
OIL PUMP
REMOVAL.............................162
DISASSEMBLY..........................163INSPECTION...........................163
ASSEMBLY............................165
INSTALLATION..........................165
INTAKE MANIFOLD
DESCRIPTION..........................165
OPERATION............................165
DIAGNOSIS AND TESTING................165
INTAKE MANIFOLD LEAKAGE............165
REMOVAL.............................166
CLEANING.............................166
INSPECTION...........................166
INSTALLATION..........................166
EXHAUST MANIFOLD
DESCRIPTION..........................168
OPERATION............................168
REMOVAL.............................168
CLEANING.............................168
INSPECTION...........................168
INSTALLATION..........................168
TIMING BELT / CHAIN COVER(S)
REMOVAL.............................169
INSTALLATION..........................169
TIMING BELT/CHAIN AND SPROCKETS
REMOVAL.............................170
INSPECTION...........................170
INSTALLATION..........................170
ENGINE 5.9L
DESCRIPTION
The 5.9 Liter (360 CID) eight-cylinder engine is a
V-Type lightweight, single cam, overhead valve
engine with hydraulic roller tappets. This engine is
designed for unleaded fuel.
The engine lubrication system consists of a rotor
type oil pump and a full flow oil filter.
The cylinders are numbered from front to rear; 1,
3, 5, 7 on the left bank and 2, 4, 6, 8 on the right
bank. The firing order is 1-8-4-3-6-5-7-2 (Fig. 1).The engine serial number is stamped into a
machined pad located on the left, front corner of the
cylinder block. When component part replacement is
necessary, use the engine type and serial number for
reference (Fig. 2).
Fig. 1 Firing Order
Fig. 2 Engine Identification Number
BR/BEENGINE 5.9L 9 - 117

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