2001 DODGE TOWN AND COUNTRY Service Manual

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Page 1353 of 2321

DODGE TOWN AND COUNTRY 2001 Service Manual cylinder bore. Check gap with feeler gauge (Fig. 49).
Top compression ring gap .30 to .45mm (.0118 to
.0177 in.). Second compression ring gap .30 to .45mm
(.0118 to .0177 in.). Oil control ring gap .2

cylinder bore. Check gap with feeler gauge (Fig. 49).
Top compression ring gap .30 to .45mm (.0118 to
.0177 in.). Second compression ring gap .30 to .45mm
(.0118 to .0177 in.). Oil control ring gap .25 to .50mm
(.0098 to .0196 in.).
(2) If ring gaps exceed dimension given, new rings
or cylinder liners must be fitted. Keep piston rings in
piston sets.
(3) Check piston ring to groove clearance (Fig. 50).
Top compression ring gap .080 to .130mm (.0031 to
.0051 in.). Second compression ring gap .070 to
.110mm (.0027 to .0043 in.). Oil control ring gap .040
to .080mm (.0015 to .0031 in.).REMOVAL
(1) Disconnect negative battery cable.
(2) Remove cylinder head (Refer to 9 - ENGINE/
CYLINDER HEAD - REMOVAL).
(3) Raise vehicle on hoist.
(4) Remove oil pan (Refer to 9 - ENGINE/LUBRI-
CATION/OIL PAN - REMOVAL).
(5) Remove oil pump pickup tube.(Refer to 9 -
ENGINE/LUBRICATION/OIL PUMP - REMOVAL)
(6) Remove balance shaft assembly (Refer to 9 -
ENGINE/VALVE TIMING/BALANCE SHAFT -
REMOVAL).
(7) Remove top ridge of cylinder bores with a ridge
reamer before removing pistons from cylinder block.
Be sure to keep top of pistons covered during
this operation.
(8) Piston and connecting rods must be removed
from top of cylinder block. Rotate crankshaft so that
each connecting rod is centered in cylinder bore.
NOTE: Be careful not to nick or scratch crankshaft
journals
(9) After removal, install bearing cap on the mat-
ing rod and mark pistons with matching cylinder
number when removed from engine block.
PISTON PIN - REMOVAL
(1) Secure connecting rods in a soft jawed vice.
(2) Remove 2 snap rings securing piston pin (Fig.
51).
(3) Push piston pin out of piston and connecting
rod (Fig. 51).
PISTON RING - REMOVAL
(1) ID mark on face of top and second piston rings
must point toward piston crown.
(2) Using a suitable ring expander, remove top and
second piston rings (Fig. 52).
(3) Remove upper oil ring side rail, lower oil ring
side rail and then the oil expander from piston.
(4) Carefully clean carbon from piston crowns,
skirts and ring grooves ensuring the 4 oil holes in
the oil control ring groove are clear.
INSPECTION
PISTONS
(1) Piston Diameter: Size: 91.912-91.928mm
(3.6185-3.6192 in.) Maximum wear limit .05mm
(.0019 in.).
(2) Check piston pin bores in piston for roundness.
Make 3 checks at 120É intervals. Maximum out of
roundness .05mm (.0019in.).
(3) The piston diameter should be measured
approximately 15 mm (.590 in.) up from the base.
Fig. 49 RING END GAP MEASUREMENT
1 - FEELER GAUGE
Fig. 50 PISTON RING TO GROOVE CLEARANCE
9a - 38 ENGINE 2.5L TURBO DIESELRG
PISTON & CONNECTING ROD (Continued)
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Page 1354 of 2321

DODGE TOWN AND COUNTRY 2001 Service Manual (4) Skirt wear should not exceed 0.1 mm (.00039
in.).
(5) The clearance between the cylinder liner and
piston should not exceed 0.065-0.083 mm
(.0025-.0032 in.).
(6) Make sure the weight of the piston

Page 1355 of 2321

DODGE TOWN AND COUNTRY 2001 Service Manual PISTON PINS
(1) Measure the diameter of piston pin in the cen-
ter and both ends.
(2) Piston pin diameter is 29.992 to 29.996mm
(1.1807 to 1.1809 in.).
INSTALLATION
PISTON PIN INSTALLATION
(1) Secure

PISTON PINS
(1) Measure the diameter of piston pin in the cen-
ter and both ends.
(2) Piston pin diameter is 29.992 to 29.996mm
(1.1807 to 1.1809 in.).
INSTALLATION
PISTON PIN INSTALLATION
(1) Secure connecting rod in soft jawed vice.
(2) Lubricate piston pin and piston with clean
engine oil.
(3) Position piston on connecting rod (Fig. 53).
CAUTION: Ensure arrow on piston crown and the
bearing cap numbers on the connecting rod are on
the opposite side.
(4) Install piston pin (Fig. 53).
(5) Install clips in piston to retain piston pin (Fig.
53).
(6) Remove connecting rod from vice.
PISTON RINGS - INSTALLATION
(1) Install rings on the pistons using a suitable
ring expander (Fig. 54).
(2) Top compression ring is tapered and chromium
plated. The second ring is of the scraper type and
must be installed with scraping edge facing bottom of
the piston. The third is an oil control ring. Ring gaps
must be positioned, before inserting piston into the
liners, as follows.
(3) Top ring gap must be positioned at the #3 posi-
tion (looking at the piston crown from above) (Fig.
55).
(4) Second piston ring gap should be positioned at
the #1 position (Fig. 55).
(5) Oil control ring gap should be positioned at the
#2 position (Fig. 55).
(6) When assembling pistons check that compo-
nents are installed in the same position as before dis-
assembly, determined by the numbers stamped on
the crown of individual pistons. Engine cylinders are
numbered starting from gear train end of the engine.
Face arrow on top of piston toward front of
engine. Therefore, the numbers stamped on connect-
ing rod big end should face toward the injection
pump side of engine. To insert piston into cylinder
use a ring compressor as shown in (Fig. 56).
INSTALLATION
(1) Before installing pistons, and connecting rod
assemblies into the bore, be sure that compression
ring gaps are staggered so that neither is in line with
oil ring rail gap (Fig. 55).
Fig. 53 PISTON AND CONNECTING ROD ASSEMBLY
1 - PISTON PIN
2 - PISTON
3 - SNAP RING
4 - CONNECTING ROD ALIGNMENT NUMBERS
5 - CONNECTING ROD BOLT
6 - CONNECTING ROD BEARING
7 - CONNECTING ROD
8 - SNAP RING
9a - 40 ENGINE 2.5L TURBO DIESELRG
PISTON & CONNECTING ROD (Continued)
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Page 1356 of 2321

DODGE TOWN AND COUNTRY 2001 Service Manual (2) Before installing the ring compressor, make
sure the oil ring expander ends are butted together.
(3) Immerse the piston head and rings in clean
engine oil, slide the ring compressor, over the pist

Page 1357 of 2321

DODGE TOWN AND COUNTRY 2001 Service Manual (8) Install cylinder head (Refer to 9 - ENGINE/
CYLINDER HEAD - INSTALLATION).
(9) Install balance shaft assembly (Refer to 9 -
ENGINE/VALVE TIMING/BALANCE SHAFT -
INSTALLATION).
(10) Install oil pump

(8) Install cylinder head (Refer to 9 - ENGINE/
CYLINDER HEAD - INSTALLATION).
(9) Install balance shaft assembly (Refer to 9 -
ENGINE/VALVE TIMING/BALANCE SHAFT -
INSTALLATION).
(10) Install oil pump pickup tube (Refer to 9 -
ENGINE/LUBRICATION/OIL PUMP - INSTALLA-
TION).
(11) Install oil pan (Refer to 9 - ENGINE/LUBRI-
CATION/OIL PAN - INSTALLATION).
(12) Connect negative battery cable.
CRANKSHAFT OIL SEAL -
FRONT
REMOVAL
(1) Disconnect negative battery cable.
(2) Remove air cleaner housing.
(3) Support engine and remove right engine mount
(Refer to 9 - ENGINE/ENGINE MOUNTING/RIGHT
MOUNT - REMOVAL).
(4) Remove power steering belt (Refer to 7 -
COOLING/ACCESSORY DRIVE/DRIVE BELTS -
REMOVAL).
(5) Remove accessory drive belt (Refer to 7 -
COOLING/ACCESSORY DRIVE/DRIVE BELTS -
REMOVAL).
(6) Remove vibration damper/crankshaft pulley
(Refer to 9 - ENGINE/ENGINE BLOCK/VIBRATION
DAMPER - REMOVAL).
(7) Remove outer timing belt cover (Refer to 9 -
ENGINE/VALVE TIMING/TIMING BELT / CHAIN
COVER(S) - REMOVAL).
(8) Remove timing belt (Refer to 9 - ENGINE/
VALVE TIMING/TIMING BELT/CHAIN AND
SPROCKETS - REMOVAL).
(9) Remove timing belt inner cover (Refer to 9 -
ENGINE/VALVE TIMING/TIMING BELT / CHAIN
COVER(S) - REMOVAL).
NOTE: Crankshaft hub retaining bolt has LHD
thread.
(10) Remove crankshaft hub.
(11) Remove front engine cover (Fig. 58) (Refer to
9 - ENGINE/ENGINE BLOCK/ENGINE COVER -
REMOVAL).
(12) With cover on work bench, pry out old seal.
INSTALLATION
(1) Clean engine block and front engine cover seal-
ing surfaces.
(2) Install crankshaft oil seal on VM.1061 (Fig.
59).(3) Place sleeve for VM.1061 on workbench as
shown (Fig. 59).
(4) Using hammer, install new seal into front
engine cover (Fig. 60).
(5) Install front engine cover (Refer to 9 -
ENGINE/ENGINE BLOCK/ENGINE COVER -
INSTALLATION).
(6) Install crankshaft hub and retaining bolt.
Torque bolt to 304N´m.
(7) Install timing belt inner cover (Refer to 9 -
ENGINE/VALVE TIMING/TIMING BELT / CHAIN
COVER(S) - INSTALLATION).
(8) Install timing belt (Refer to 9 - ENGINE/
VALVE TIMING/TIMING BELT/CHAIN AND
SPROCKETS - INSTALLATION) .
(9) Install timing belt outer cover (Refer to 9 -
ENGINE/VALVE TIMING/TIMING BELT / CHAIN
COVER(S) - INSTALLATION).
(10) Install vibration damper/crankshaft pulley
(Refer to 9 - ENGINE/ENGINE BLOCK/VIBRATION
DAMPER - INSTALLATION).
Fig. 58 ENGINE COVER - FRONT
1 - CRANKSHAFT HUB RETAINING BOLT
2 - FRONT ENGINE COVER RETAINING BOLTS
3 - ENGINE BLOCK
4 - FRONT ENGINE COVER ALIGNMENT DOWELS
5 - FRONT ENGINE COVER
6 - CRANKSHAFT HUB
9a - 42 ENGINE 2.5L TURBO DIESELRG
PISTON & CONNECTING ROD (Continued)
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Page 1358 of 2321

DODGE TOWN AND COUNTRY 2001 Service Manual (11) Install accessory drive belt (Refer to 7 -
COOLING/ACCESSORY DRIVE/DRIVE BELTS -
INSTALLATION).
(12) Install power steering belt (Refer to 7 -
COOLING/ACCESSORY DRIVE/DRIVE BELTS -
INSTALLATION).

Page 1359 of 2321

DODGE TOWN AND COUNTRY 2001 Service Manual INSTALLATION
(1) Install vibration damper and retaining bolts
(Fig. 61). Torque bolts to 27.5N´m.
(2) Install accessory drive belt (Refer to 7 - COOL-
ING/ACCESSORY DRIVE/DRIVE BELTS - INSTAL-
LATION

Page 1360 of 2321

DODGE TOWN AND COUNTRY 2001 Service Manual INSTALLATION
(1) Clean engine block and front engine cover seal-
ing surfaces.
(2) Apply a continous 3mm bead of Silicone Sealer
to cover, install within 10 minutes (Fig. 62). Torque
bolts to 11.8N´m

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