2001 DODGE RAM Service Repair Manual

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Page 1449 of 2889

DODGE RAM 2001 Service Repair Manual 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

Page 1450 of 2889

DODGE RAM 2001 Service Repair Manual (5) Using two (2) new gaskets, install the intake
air grid heater and air inlet housing (Fig. 168). Posi-
tion the ground cable and install and tighten the
bolts to 24 N´m (18 ft. lbs.) torque.
(6) I

Page 1451 of 2889

DODGE RAM 2001 Service Repair Manual (10) Remove the exhaust manifold-to-cylinder head
bolts and spacers (Fig. 173).
(11) Remove the exhaust manifold and gaskets
(Fig. 173).
CLEANING
Clean the cylinder head and exhaust manifold seal-
ing

(10) Remove the exhaust manifold-to-cylinder head
bolts and spacers (Fig. 173).
(11) Remove the exhaust manifold and gaskets
(Fig. 173).
CLEANING
Clean the cylinder head and exhaust manifold seal-
ing surfaces with a suitable scraper. Use a Scotch-
BriteŸ pad or equivalent.
INSPECTION
Inspect the exhaust manifold for cracks. Measure
the exhaust manifold for flatness. Place a ruler over
all of the exhaust ports and insert a feeler gauge
between the port flange and the ruler.
INSTALLATION
(1) Using new gaskets, install the exhaust mani-
fold and gaskets. Install the bolts and spacers and
tighten the bolts in the sequence shown in (Fig. 173)
to 43 N´m (32 ft. lbs.) torque.
(2) Install the cab heater return hose to the man-
ifold bolt stud. Tighten the nut to 24 N´m (18 ft. lbs.)
torque.
(3) Install the turbocharger. Apply anti-seize to the
studs and then tighten the turbocharger mounting
nuts to 32 N´m (24 ft. lbs.) torque.(4) Install the oil drain tube and oil supply line to
the turbocharger. Tighten the drain tube bolts to 24
N´m (18 ft. lbs.) torque.
(5)Pre-lube the turbocharger.Pour 50 to 60 cc
(2 to 3 oz.) clean engine oil in the oil supply line fit-
ting. Rotate the turbocharger impeller by hand to
distrubute the oil thoroughly.
(6) Install and tighten the oil supply line fitting
nut to 20 N´m (133 in. lbs.) torque.
(7) Position the charge air cooler inlet pipe to the
turbocharger. With the clamp in position, tighten the
clamp nut to 8 N´m (72 in. lbs.) torque.
(8) Position the air inlet hose to the turbocharger
(Fig. 171). Tighten the clamp to 8 N´m (72 in. lbs.)
torque.
(9) Raise vehicle on hoist.
(10) Connect the exhaust pipe to the turbocharger
(Fig. 170) and tighten the bolts to 34 N´m (25 ft. lbs.)
torque.
(11) Lower the vehicle.
(12) Connect the battery negative cables.
(13) Start the engine to check for leaks.
GEAR HOUSING
REMOVAL
(1) Disconnect the battery negative cables.
(2) Raise vehicle on hoist.
(3) Remove the oil pan and suction tube (Refer to 9
- ENGINE/LUBRICATION/OIL PAN - REMOVAL).
(4) Partially drain engine coolant into container
suitable for re-use (Refer to 7 - COOLING - STAN-
DARD PROCEDURE).
(5) Lower vehicle.
(6) Remove radiator upper hose.
(7) Disconnect coolant recovery bottle hose from
radiator filler neck and lift bottle off of fan shroud.
(8) Disconnect windshield washer pump supply
hose and electrical connections and lift washer bottle
off of fan shroud.
(9) Remove the fan shroud-to-radiator mounting
bolts.
(10) Remove viscous fan/drive assembly (Refer to 7
- COOLING/ENGINE/RADIATOR FAN - REMOVAL).
(11) Remove the accessory drive belt (Refer to 7 -
COOLING/ACCESSORY DRIVE/DRIVE BELTS -
REMOVAL).
(12) Remove the cooling fan support/hub from the
front of the engine (Fig. 174).
(13) Raise the vehicle on hoist.
(14) Remove the crankshaft damper (Fig. 175)
(Refer to 9 - ENGINE/ENGINE BLOCK/VIBRATION
DAMPER - REMOVAL).
(15) Lower the vehicle.
Fig. 173 Exhaust Manifold and Gaskets
9 - 304 ENGINE 5.9L DIESELBR/BE
EXHAUST MANIFOLD (Continued)

Page 1452 of 2889

DODGE RAM 2001 Service Repair Manual (16) Remove the gear cover-to-housing bolts and
gently pry the cover away from the housing (Fig.
176), taking care not to mar the gasket surfaces.
(17) Remove the fuel injection pump (Refer to 14 -
FU

Page 1453 of 2889

DODGE RAM 2001 Service Repair Manual (3) Install the injection pump (Refer to 14 - FUEL
SYSTEM/FUEL DELIVERY/FUEL INJECTION
PUMP - INSTALLATION).
(4) Install the camshaft (Refer to 9 - ENGINE/EN-
GINE BLOCK/CAMSHAFT & BEARINGS (IN
BLOCK)

(3) Install the injection pump (Refer to 14 - FUEL
SYSTEM/FUEL DELIVERY/FUEL INJECTION
PUMP - INSTALLATION).
(4) Install the camshaft (Refer to 9 - ENGINE/EN-
GINE BLOCK/CAMSHAFT & BEARINGS (IN
BLOCK) - INSTALLATION). Align the crankshaft,
camshaft, and injection pump gear marks as shown
in (Fig. 178).
(5) If a new housing is installed, the camshaft
position sensor must be transferred to the new hous-
ing.
(6) Obtain a seal pilot/installation tool from a
crankshaft front seal service kit and install the pilot
into the crankshaft front oil seal.
(7) Apply a bead of MopartSilicone Rubber Adhe-
sive Sealant or equivalent to the gear housing cover.
Be sure to surround all through holes.
(8) Using the seal pilot to align the cover (Fig.
179), install the cover to the housing and install the
bolts. Tighten the bolts to 24 N´m (18 ft. lbs.) torque.
(9) Remove the seal pilot.
(10) Raise the vehicle.
(11) Trim any excess gear housing gasket to make
it flush with the oil pan rail.
(12) Using a new gasket, install the oil pan and
suction tube (Refer to 9 - ENGINE/LUBRICATION/
OIL PAN - INSTALLATION).
(13) Install the crankshaft damper (Fig. 175)
(Refer to 9 - ENGINE/ENGINE BLOCK/VIBRATION
DAMPER - INSTALLATION).
(14) Lower vehicle.
(15) Install the fan support/hub assembly (Fig.
174) and tighten bolts to 24 N´m (18 ft. lbs.) torque.(16) Install the accessory drive belt (Refer to 7 -
COOLING/ACCESSORY DRIVE/DRIVE BELTS -
INSTALLATION).
(17) Install the cooling fan and shroud together
(Refer to 7 - COOLING/ENGINE/RADIATOR FAN -
INSTALLATION).
(18) Install the windshield washer reservoir to the
fan shroud and connect the washer pump supply
hose and electrical connection.
(19) Install the coolant recovery bottle to the fan
shroud and connect the hose to the radiator filler
neck.
(20) Install the radiator upper hose and clamps.
(21) Add engine oil.
(22) Add coolant (Refer to 7 - COOLING - STAN-
DARD PROCEDURE).
(23) Connect the battery cables.
(24) Start engine and inspect for leaks.
GEAR HOUSING COVER
REMOVAL
(1) Disconnect both battery negative cables.
(2) Raise vehicle on hoist.
(3) Partially drain engine coolant into container
suitable for re-use (Refer to 7 - COOLING - STAN-
DARD PROCEDURE).
(4) Lower vehicle.
(5) Remove radiator upper hose.
(6) Disconnect coolant recovery bottle hose from
radiator filler neck and lift bottle off of fan shroud.
(7) Disconnect windshield washer pump supply
hose and electrical connections and lift washer bottle
off of fan shroud.
(8) Remove viscous fan/drive assembly (Refer to 7 -
COOLING/ENGINE/RADIATOR FAN - REMOVAL).
Fig. 178 Camshaft/Crankshaft Gear Alignment
Fig. 179 Installing Cover with Seal Pilot
1 - SEAL PILOT
9 - 306 ENGINE 5.9L DIESELBR/BE
GEAR HOUSING (Continued)

Page 1454 of 2889

DODGE RAM 2001 Service Repair Manual (9) Remove the accessory drive belt (Refer to 7 -
COOLING/ACCESSORY DRIVE/DRIVE BELTS -
REMOVAL).
(10) Remove the cooling fan support/hub from the
front of the engine (Fig. 180).
(11) Raise the vehicl

Page 1455 of 2889

DODGE RAM 2001 Service Repair Manual (8) Install the fan support/hub assy. (Fig. 180) and
tighten bolts to 24 N´m (18 ft. lbs.) torque.
(9) Install the accessory drive belt (Refer to 7 -
COOLING/ACCESSORY DRIVE/DRIVE BELTS -
INSTALLATIO

Page 1456 of 2889

DODGE RAM 2001 Service Repair Manual EXHAUST SYSTEM
TABLE OF CONTENTS
page page
EXHAUST SYSTEM
DESCRIPTION............................1
DIAGNOSIS AND TESTING..................4
GAS ENGINE...........................4
DIESEL ENGINE........

EXHAUST SYSTEM
TABLE OF CONTENTS
page page
EXHAUST SYSTEM
DESCRIPTION............................1
DIAGNOSIS AND TESTING..................4
GAS ENGINE...........................4
DIESEL ENGINE........................4
SPECIFICATIONS.........................5
CATALYTIC CONVERTER - 3.9L/5.2L/5.9L
DESCRIPTION............................5
OPERATION.............................5
REMOVAL...............................5
INSPECTION.............................5
INSTALLATION............................5
CATALYTIC CONVERTER - 5.9L HEAVY
DUTY/8.0L
DESCRIPTION............................6
OPERATION.............................6
REMOVAL...............................6
INSPECTION.............................7
INSTALLATION............................7
EXHAUST PIPE - 3.9L/5.2L/5.9L
REMOVAL...............................7
INSPECTION.............................7
INSTALLATION............................7
EXHAUST PIPE - 5.9L HEAVY DUTY/8.0L
REMOVAL...............................8
INSPECTION.............................9
INSTALLATION............................9
EXHAUST PIPE - 5.9L DIESEL
REMOVAL...............................9
INSPECTION.............................9
INSTALLATION...........................10
HEAT SHIELDS
DESCRIPTION...........................10
REMOVAL..............................10
INSTALLATION...........................10MUFFLER - 3.9L/5.2L/5.9L/8.0L
REMOVAL..............................10
INSTALLATION...........................11
MUFFLER - 5.9L DIESEL
REMOVAL..............................11
INSTALLATION...........................11
TAILPIPE - 3.9L/5.2L/5.9L
REMOVAL..............................11
INSPECTION............................11
INSTALLATION...........................12
TAILPIPE - 5.9L HEAVY DUTY/8.0L
REMOVAL..............................12
INSPECTION............................12
INSTALLATION...........................12
TAILPIPE - 5.9L DIESEL
REMOVAL..............................12
INSPECTION............................12
INSTALLATION...........................12
RESONATOR
REMOVAL..............................13
INSTALLATION...........................13
TURBOCHARGER
DESCRIPTION...........................13
OPERATION.............................13
REMOVAL..............................15
CLEANING..............................16
INSPECTION............................16
INSTALLATION...........................16
CHARGE AIR COOLER AND PLUMBING
DESCRIPTION...........................17
OPERATION.............................17
REMOVAL..............................17
CLEANING..............................18
INSPECTION............................18
INSTALLATION...........................18
EXHAUST SYSTEM
DESCRIPTIONÐ3.9L/5.2L/5.9/8.0L
CAUTION: Avoid application of rust prevention com-
pounds or undercoating materials to exhaust sys-tem floor pan exhaust heat shields. Light overspray
near the edges is permitted. Application of coating
will result in excessive floor pan temperatures and
objectionable fumes.
BR/BEEXHAUST SYSTEM 11 - 1

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