2001 DODGE TOWN AND COUNTRY Engine

CAUTION: Excessive pressure or high RPM (beyond
the recommended speed), can damage the sealing
surfaces. The mild (white, 120 grit) bristle disc is
recommended. If necessary, the medium (yellow, 80
grit) bristle disc may be used on cast iron surfaces
with care.
STANDARD PROCEDURE - HYDROSTATIC
LOCKED ENGINE
When an engine is suspected to be hydrostatically
locked, regardless of what caused the problem, the
following steps should be used.
CAUTION: DO NOT use starter motor to rotate the
engine, severe damage may occur.
(1) Inspect air cleaner, induction system and
intake manifold to insure system is dry and clear of
foreign material.
(2) Remove negative battery cable.
(3) Place a shop towel around the spark plugs
when removing them from the engine. This will catch
any fluid that may possibly be in the cylinder under
pressure.
(4) With all spark plugs removed, rotate engine
crankshaft using a breaker bar and socket.
(5) Identify the fluid in the cylinder(s) (i.e., cool-
ant, fuel, oil or other).
(6) Make sure all fluid has been removed from the
cylinders. Inspect engine for damage (i.e., connecting
rods, pistons, valves, etc.)(7) Repair engine or components as necessary to
prevent this problem from re-occurring.
CAUTION: Squirt approximately one teaspoon of oil
into the cylinders, rotate engine to lubricate the cyl-
inder walls to prevent damage on restart.
(8) Install new spark plugs.
(9) Drain engine oil and remove oil filter.
(10) Install a new oil filter.
(11) Fill engine with specified amount of approved
oil.
(12) Connect negative battery cable.
(13) Start engine and check for any leaks.
STANDARD PROCEDURE - REPAIR OF
DAMAGED OR WORN THREADS
Damaged or worn threads (excluding spark plug
and camshaft bearing cap attaching threads) can be
repaired. Essentially, this repair consists of drilling
out worn or damaged threads, tapping the hole with
a special Heli-Coil Tap, (or equivalent) and installing
an insert into the tapped hole. This brings the hole
back to its original thread size.
CAUTION: Be sure that the tapped holes maintain
the original center line.
Heli-Coil tools and inserts are readily available
from automotive parts jobbers.
STANDARD PROCEDURE - ENGINE CORE AND
OIL GALLERY PLUGS
Using a blunt tool such as a drift and a hammer,
strike the bottom edge of the cup plug. With the cup
plug rotated, grasp firmly with pliers or other suit-
able tool and remove plug (Fig. 5).
CAUTION: Do not drive cup plug into the casting as
restricted cooling can result and cause serious
engine problems.
Thoroughly clean inside of cup plug hole in cylin-
der block or head. Be sure to remove old sealer.
Lightly coat inside of cup plug hole with Mopart
Stud and Bearing Mount. Make certain the new plug
is cleaned of all oil or grease. Using proper drive
plug, drive plug into hole so that the sharp edge of
the plug is at least 0.5 mm (0.020 in.) inside the
lead-in chamfer.
It is not necessary to wait for curing of the sealant.
The cooling system can be refilled and the vehicle
placed in service immediately.
Fig. 4 PROPER TOOL USAGE FOR SURFACE
PREPARATION
1 - ABRASIVE PAD
2 - 3M ROLOCYBRISTLE DISC
3 - PLASTIC/WOOD SCRAPER
RSENGINE 3.3/3.8L9-81
ENGINE 3.3/3.8L (Continued)
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REMOVAL - ENGINE ASSEMBLY
(1) Perform fuel pressure release procedure. (Refer
to 14 - FUEL SYSTEM/FUEL DELIVERY - STAN-
DARD PROCEDURE)
(2) Disconnect the battery.
(3) Remove air cleaner and hoses.
(4) Disconnect the fuel line from fuel rail. (Refer to
14 - FUEL SYSTEM/FUEL DELIVERY/QUICK
CONNECT FITTING - STANDARD PROCEDURE)
(5) Remove the wiper module. (Refer to 8 - ELEC-
TRICAL/WIPERS/WASHERS/WIPER MODULE -
REMOVAL)
(6) Block off heater hoses to the rear heater sys-
tem, if equipped, using pinch-off pliers.
(7) Drain the cooling system. (Refer to 7 - COOL-
ING - STANDARD PROCEDURE)
(8) Disconnect the heater hoses.
(9) Remove the radiator upper support crossmem-
ber. (Refer to 23 - BODY/EXTERIOR/GRILLE OPEN-
ING REINFORCEMENT - REMOVAL)
(10) Remove the radiator fans. (Refer to 7 - COOL-
ING/ENGINE/RADIATOR FAN - REMOVAL)
(11) Disconnect the throttle cables from the throt-
tle body.
(12) Disconnect the MAP, IAC, and TPS electrical
connectors.
(13) Disconnect the EGR transducer electrical con-
nector.
(14) Disconnect the vacuum hoses from throttle
body.
(15) Disconnect the brake booster and speed con-
trol vacuum hoses.(16) Disengage wire harness clip from the right
side engine mount.
(17) Remove the power steering reservoir from
mounting position and set aside. Do not disconnect
hose.
(18) Disconnect ground strap from rear of cylinder
head.
(19) Disconnect engine coolant temperature (ECT)
sensor and ignition coil electrical connectors.
(20) Disconnect the fuel injector electrical harness
connector and disengage clip from support bracket.
(21) Disconnect crank sensor connector.
(22) Disconnect camshaft sensor connector.
(23) Evacuate air conditioning system.
(24) Disconnect A/C compressor electrical connec-
tor.
(25) Disconnect the A/C lines from compressor.
Cover and seal all openings of hoses and compressor.
(26) Remove the radiator upper hose.
(27) Disengage electrical harness clip at transaxle
dipstick tube.
(28) Remove transaxle dipstick tube. Seal opening
using a suitable plug.
(29) Disconnect cooler hoses from transaxle.
(30) Disconnect transaxle shift linkage and electri-
cal connectors.
(31) Raise vehicle on hoist and drain the engine
oil.
(32) Remove the axle shafts. (Refer to 3 - DIFFER-
ENTIAL & DRIVELINE/HALF SHAFT - REMOVAL)
(33) Remove crossmember cradle plate (Fig. 6).
(34)AWD equipped:Remove the power transfer
unit (PTU).
(35) Disconnect exhaust pipe from the manifold
(Fig. 7).
Fig. 5 CORE HOLE PLUG REMOVAL
1 - CYLINDER BLOCK
2 - REMOVE PLUG WITH PLIERS
3 - STRIKE HERE WITH HAMMER
4 - DRIFT PUNCH
5 - CUP PLUG
Fig. 6 Crossmember Cradle Plate
1 - CRADLE PLATE
9 - 82 ENGINE 3.3/3.8LRS
ENGINE 3.3/3.8L (Continued)
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(36) Remove front engine mount and bracket as an
assembly.
(37) Remove the engine rear mount bracket.
(38) Remove the engine to transaxle struts (Fig. 8).
(39) Remove transaxle case cover (Fig. 8).
(40) Remove flex plate to torque converter bolts.
(41) Remove the power steering pressure hose sup-
port clip attaching bolt.
(42) Disconnect the knock sensor electrical connec-
tor (3.8L only).
(43) Disconnect the engine block heater electrical
connector, if equipped.
(44) Remove the accessory belt splash shield.
(45) Remove accessory drive belt. (Refer to 7 -
COOLING/ACCESSORY DRIVE/DRIVE BELTS -
REMOVAL)
(46) Disconnect the radiator lower hose.
(47) Remove air conditioning compressor from
engine.
(48) Remove the generator. (Refer to 8 - ELECTRI-
CAL/CHARGING/GENERATOR - REMOVAL)
(49) Remove the water pump pulley attaching
bolts and position pulley between pump hub and
housing.
(50) Disconnect the oil pressure switch electrical
connector.
(51) Disconnect wiring harness support clip from
dipstick tube.(52) Install Special Tools 6912 and 8444 Adapters
on the right side (rear) of engine block (Fig. 9).
Fig. 7 Catalytic Converter to Exhaust Manifold
1 - FLAG NUT
2 - GASKET
3 - BOLT
4 - CATALYTIC CONVERTER
Fig. 8 POWERTRAIN SUPPORTS AND DUST COVER
1 - BRACKET - ENGINE REAR MOUNT
2 - BOLT - TRANSAXLE CASE COVER
3 - STRUT - TRANSAXLE TO ENGINE HORIZONTAL
4 - BOLT - HORIZONTAL STRUT
5 - BOLT - STRUT TO TRANSAXLE
6 - COVER - TRANSAXLE CASE LOWER
7 - STRUT - TRANSAXLE TO ENGINE
8 - BOLT - STRUT TO ENGINE
9 - BOLT - ENGINE REAR MOUNT BRACKET
Fig. 9 ADAPTER TOOLS MOUNTED ON BLOCK
1 - SPECIAL TOOL 6912
2 - SPECIAL TOOL 8444
RSENGINE 3.3/3.8L9-83
ENGINE 3.3/3.8L (Continued)
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(53) Lower the vehicle.
(54) Remove the power steering pump and set
aside.
(55) Raise vehicle enough to allow engine dolly
Special Tool 6135 and cradle Special Tool 6710 with
post Special Tool 6848 and adaptor Special Tool 6909
to be installed under vehicle (Fig. 10).
(56) Loosen cradle engine mounts to allow move-
ment for positioning onto engine locating holes on the
engine. Lower vehicle and position cradle mounts
until the engine is resting on mounts. Tighten
mounts to cradle frame. This will keep mounts from
moving when removing or installing engine and
transmission.
(57) Lower vehicle so the weight ofONLY THE
ENGINE AND TRANSMISSIONis on the cradle.
(58) Install and secure the safety straps to the cra-
dle fixture and around the engine.(59) Remove the engine right side mount to engine
attaching bolts (Fig. 11).
(60) Remove the left mount through bolt (Fig. 12).
(61) Raise vehicle slowly. It is necessary to move
the engine/transmission assembly on the cradle to
allow for removal around body flanges.
INSTALLATION - ENGINE ASSEMBLY
(1) Position engine and transmission assembly
under vehicle. Slowly lower the vehicle down over the
engine and transmission. It may be necessary to
move the engine/transmission assembly with the cra-
dle for clearance around body flanges.
(2) Align engine and transmission mounts to
attaching points. Install mounting bolts at the right
engine (Fig. 11) and left transmission mount (Fig.
12).
(3) Remove the safety straps from around engine.
Fig. 10 Positioning Engine Cradle Support Post Mounts
1 - SPECIAL TOOL 8444 4 - SPECIAL TOOLS 6135 & 6710
2 - SPECIAL TOOLS 6848 5 - SPECIAL TOOLS 6848
3 - SPECIAL TOOL 6912 6 - SAFETY STRAPS
9 - 84 ENGINE 3.3/3.8LRS
ENGINE 3.3/3.8L (Continued)
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(4) Slowly raise vehicle enough to remove the
engine dolly and cradle Special Tools 6135, 6710,
6848 and 6909 (Fig. 10).
(5) Remove Special Tools 6912 and 8444.
(6) Lower the vehicle.
(7) Install power steering pump and pressure line
support.(8) Install the generator and wiring harness.
(Refer to 8 - ELECTRICAL/CHARGING/GENERA-
TOR - INSTALLATION)
(9) Raise vehicle.
(10) Attach wiring harness support clip to the dip-
stick tube.
(11) Connect oil pressure switch electrical connec-
tor.
(12) Install the A/C compressor.
(13) Install the water pump pulley.
(14) Connect the radiator lower hose.
(15) Install the accessory drive belt and splash
shield. (Refer to 7 - COOLING/ACCESSORY DRIVE/
DRIVE BELTS - INSTALLATION)
(16) Connect the engine block heater electrical con-
nector, if equipped.
(17) Connect the knock sensor electrical connector
(3.8L only).
(18) Install the torque converter to flex plate bolts.
(19) Install the transaxle case cover (Fig. 8).
(20) Install the powertrain struts (Fig. 8).
(21) Install the engine rear mount bracket.
(22) Install the engine front mount and bracket
assembly.
(23)AWD equipped;Install the power transfer
unit (PTU).
(24) Install the axle shafts. (Refer to 3 - DIFFER-
ENTIAL & DRIVELINE/HALF SHAFT - INSTALLA-
TION)
(25) Connect exhaust pipe to manifold (Fig. 7).
(26) Install crossmember cradle plate (Fig. 6).
(27) Lower vehicle.
(28) Connect transaxle shift linkage.
(29) Connect transaxle electrical connectors.
(30) Connect transaxle cooler hoses.
(31) Install transaxle dipstick tube and attach
electrical harness clip.
(32) Connect the radiator upper hose.
(33) Connect the A/C lines to compressor.
(34) Connect the A/C compressor electrical connec-
tor.
(35) Evacuate and recharge A/C system.
(36) Connect crankshaft and camshaft position
sensors.
(37) Connect the fuel injector electrical harness
connector and engage clip to support bracket.
(38) Connect engine coolant temperature (ECT)
sensor and ignition coil electrical connectors.
(39) Connect the ground strap to rear of cylinder
head.
(40) Install power steering reservoir.
(41) Engage wire harness clip to engine right side
mount.
(42) Connect the brake booster and speed control
vacuum hoses.
Fig. 11 Right Mount to Engine
1 - BOLT
2 - MOUNT BRACKET
3 - ENGINE RIGHT MOUNT ASSEMBLY
Fig. 12 LEFT MOUNT TO FRAME BRACKET
1 - FRAME BRACKET
2 - FRAME RAIL - LEFT
3 - BOLT
4 - TRANSAXLE MOUNT
RSENGINE 3.3/3.8L9-85
ENGINE 3.3/3.8L (Continued)
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(43) Connect the vacuum hoses to the throttle
body.
(44) Connect the EGR transducer electrical connec-
tor.
(45) Connect the TPS, IAC, and MAP sensor elec-
trical connectors.
(46) Connect throttle cables to throttle body.
(47) Install the radiator fans. (Refer to 7 - COOL-
ING/ENGINE/RADIATOR FAN - INSTALLATION)
(48) Connect the radiator upper hose.
(49) Connect the heater hoses. Remove pinch-off
pliers from the rear heater hoses, if equipped.
(50) Install the radiator upper support crossmem-
ber. (Refer to 23 - BODY/EXTERIOR/GRILLE OPEN-
ING REINFORCEMENT - INSTALLATION)
(51) Install the wiper module. (Refer to 8 - ELEC-
TRICAL/WIPERS/WASHERS/WIPER MODULE -
INSTALLATION)
(52) Connect the fuel line to fuel rail. (Refer to 14
- FUEL SYSTEM/FUEL DELIVERY/FUEL LINES -
STANDARD PROCEDURE)
(53) Install the air cleaner and hoses.
(54) Install new oil filter. Fill engine crankcase
with proper oil to correct level.
(55) Connect negative cable to battery.
(56) Fill the cooling system. (Refer to 7 - COOL-
ING - STANDARD PROCEDURE)
(57) Start engine and run until operating temper-
ature is reached.
(58) Adjust transmission linkage, if necessary.
SPECIFICATIONS
3.3/3.8L ENGINE
DESCRIPTION SPECIFICATION
General Specification
Type 60É V-6 Engine
Number of Cylinders 6
Displacement
Ð3.3L 3.3 Liters
(201 cu. in.)
Ð3.8L 3.8 Liters
(231 cu. in.)
Bore
Ð3.3L 93.0 mm
(3.66 in.)
Ð3.8L 96.0 mm
(3.779 in.)
DESCRIPTION SPECIFICATION
Stroke
Ð3.3L 81.0 mm
(3.188 in.)
Ð3.8L 87.0 mm
(3.425 in.)
Compression Ratio
Ð3.3L 9.35:1
Ð3.8L 9.6:1
Firing Order 1-2-3-4-5-6
Cylinder Number (Front
to Rear)
ÐFront Bank 2,4,6
ÐRear Bank 1,3,5
Compression PressureÐ
Minimum689.5 kPa
(100 psi)
Max. Variation Between
Cylinders25%
Cylinder Block
Cylinder Bore Diameter
(Standard)
Ð3.3L 92.993±93.007 mm
(3.661±3.6617 in.)
Ð3.8L 95.993±96.007 mm
(3.7792±3.780 in.)
Out-of-Round (Service
Limits)0.076 mm
(0.003 in.)
Taper (Service Limits) 0.051 mm
(0.002 in.)
Lifter Bore Diameter 22.980±23.010 mm
(0.905±0.906 in.)
Deck Surface Flatness
(Max.)0.1 mm
(0.004 in.)
Pistons
Piston Diameter
Ð3.3L ÐMeasured 39.8
mm (1.567 in.) from
piston top92.968±92.998 mm
(3.660±3.661 in.)
Ð3.8L ÐMeasured 33.01
mm (1.30 in.) from piston
top95.968±95.998 mm
(3.778±3.779 in.)
Clearance in Bore @
Size Location (New)-0.005±0.039 mm
(-0.0002±0.0015 in.)
9 - 86 ENGINE 3.3/3.8LRS
ENGINE 3.3/3.8L (Continued)
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DESCRIPTION SPECIFICATION
Weight
Ð3.3L 36265 grams
(12.7760.1764 oz.)
Ð3.8L 42665 grams
(15.0360.1764 oz.)
Piston Pins
Type Press Fit in Rod
(Serviced as an
Assembly)
Clearance in Piston @
21É C (70É F)0.006±0.019 mm
(0.0002±0.0007 in.)
Clearance in Connecting
Rod(Interference Fit)
Diameter 22.87±22.88 mm
(0.9007±0.9009 in.)
Length
Ð3.3L 67.25±67.75 mm
(2.648±2.667 in.)
Ð3.8L 71.25±71.75
(2.805±2.824 in.)
Piston Rings
Ring End GapÐTop
Compression Ring0.18±0.38 mm
(0.007±0.015 in.)
Wear Limit 1.0 mm
(0.039 in.)
Ring End GapÐ2nd
Compression Ring0.28±0.57 mm
(0.011±0.022 in.)
Wear Limit 1.0 mm
(0.039 in.)
Ring End GapÐOil
Control Steel Rails0.23±0.78 mm
(0.009±0.030 in.)
Wear Limit 1.88 mm
(0.074 in.)
Ring Side ClearanceÐ
Top Compression Ring
Ð3.3L 0.030±0.080 mm
(0.0012±0.0031 in.)
Ð3.8L 0.030±0.069 mm
(0.0012±0.0027 in.)
Wear Limit 0.10 mm
(0.004 in.)DESCRIPTION SPECIFICATION
Ring Side ClearanceÐ
2nd Compression Ring
Ð3.3L 0.030±0.095 mm
(0.0012±0.0037 in.)
Ð3.8L 0.041±0.085 mm
(0.0016±0.0033 in.)
Wear Limit 0.13 mm
(0.005 in.)
Ring Side ClearanceÐOil
Ring Pack0.039±0.200 mm
(0.0015±0.0078 in.)
Wear Limit 0.266 mm
(0.009 in.)
Ring WidthÐTop
Compression Ring
Ð3.3L 1.46±1.49 mm
(0.0575±0.058 in.)
Ð3.8L 1.175±1.190 mm
(0.0462±0.0468 in.)
Ring WidthÐ2nd
Compression Ring
Ð3.3/3.8L1.46±1.49 mm
(0.0575±0.058 in.)
Ring WidthÐOil Ring
(Steel Rails)
Ð3.3L 0.435±0.490 mm
(0.017±0.019 in.)
Ð3.8L 0.435±0.510 mm
(0.017±0.020 in.)
Connecting Rod
Bearing Clearance 0.019±0.065 mm
(0.0008±0.0026 in.)
Wear Limit 0.074 mm
(0.003 in.)
Side Clearance 0.13±0.32 mm
(0.005±0.013 in.)
Wear Limit 0.38 mm
(0.015 in.)
Crankshaft
Material Nodular Iron
Connecting Rod Journal
Diameter57.979±58.005 mm
(2.2827±2.2837 in.)
Main Bearing Journal
Diameter63.993±64.013 mm
(2.5194±2.5202 in.)
RSENGINE 3.3/3.8L9-87
SPECIFICATIONS (Continued)
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DESCRIPTION SPECIFICATION
Journal Out-of-Round
(Max.)0.025 mm
(0.001 in.)
Journal Taper (Max.) 0.025 mm
(0.001 in.)
End Play 0.09±0.24 mm
(0.0036±0.0095 in.)
Wear Limit 0.381 mm
(0.015 in.)
Main Bearing Diametrical
Clearance
ÐNo. 1, 2, 3, 4 0.011±0.055 mm
(0.0005±0.0022 in.)
Wear Limit 0.076 mm
(0.003 in.)
Camshaft
Journal Diameter
No.1 50.724±50.775 mm
(1.997±1.999 in.)
No.2 50.317±50.368 mm
(1.9809±1.9829 in.)
No.3 49.936±49.987 mm
(1.9659±1.9679 in.)
No.4 49.530±49.581 mm
(1.9499±1.9520 in.)
Bearing ClearanceÐ
Diametrical0.025±0.101 mm
(0.001±0.004 in.)
Bearing Clearance (Max.
allowable)0.127 mm
(0.005 in.)
End Play 0.254±0.508 mm
(0.010±0.020 in.)
(Max. allowable) 0.304 mm
(0.012 in.)
Camshaft Bearing
Diameter
No. 1 50.800±50.825 mm
(1.9999±2.0009 in.)
No. 2 50.393±50.419 mm
(1.9839±1.9849 in.)
No. 3 50.013±50.038 mm
(1.9690±1.9699 in.)
No. 4 49.606±49.632 mm
(1.9529±1.954 in.)DESCRIPTION SPECIFICATION
Exhaust Valve Timing
ClosesÐ3.3L (ATDC) 13É
ClosesÐ3.8L (ATDC) 18É
OpensÐ3.3L (BBDC) 43É
OpensÐ3.8L (BBDC) 46É
DurationÐ3.3L 236É
DurationÐ3.8L 244É
Intake Valve Timing
ClosesÐ3.3L (ABDC 52É
ClosesÐ3.8L (ABDC 63É
OpensÐ3.3L (ATDC) 6É
OpensÐ3.8L (ATDC) 1É
DurationÐ3.3L 226É
DurationÐ3.8L 242É
Valve OverlapÐ3.3L 7É
Valve OverlapÐ3.8L 17É
Lifters
Type Hydraulic Roller
Diameter O.D. 22.949±22.962 mm
(0.903±0.904 in.)
Clearance In Block 0.020±0.061 mm
0.0007±0.0024 in.)
Cylinder Head
Gasket Thickness
(Compressed)0.65±0.75 mm
(0.025±0.029 in.)
Valve Seat
Angle 44.5±45É
Valve Seat Runout
(Service Limits)0.0762 mm
(0.003 in.)
Valve Seat WidthÐIntake
& Exhaust1.50±2.00 mm
(0.057±0.078 in.)
Valve Guide
Guide Bore Diameter
(Std.)6.975±7.00 mm
(0.274±0.275 in.)
Valves
Valve Lift (Zero
Lash)ÐIntake & Exhaust
Ð3.3L 9.80 mm
(0.385 in.)
Ð3.8L 11.0 mm
(0.433 in.)
9 - 88 ENGINE 3.3/3.8LRS
SPECIFICATIONS (Continued)
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