2004 CHRYSLER VOYAGER Service Manual

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Page 1465 of 2585

CHRYSLER VOYAGER 2004 Service Manual ENGINE 3.3/3.8L SUPPLEMENT
TABLE OF CONTENTS
page page
ENGINE 3.3/3.8L SUPPLEMENT
SPECIFICATIONS
3.3/3.8L ENGINE......................11
CYLINDER HEAD
DESCRIPTION.........................16
DIAGNOSIS

Page 1466 of 2585

CHRYSLER VOYAGER 2004 Service Manual ENGINE 3.3/3.8L
SUPPLEMENT
SPECIFICATIONS
3.3/3.8L ENGINE
GENERAL DESCRIPTION
DESCRIPTION SPECIFICATION
Metric Standard
Engine Type 60É V-6 Engine
Number of
Cylinders6
Displacement
3.3L3.3Liters 201

Page 1467 of 2585

CHRYSLER VOYAGER 2004 Service Manual CONNECTING RODS
DESCRIPTION SPECIFICATION
Metric Standard
Bearing
Clearance0.019-0.065
mm.0.017-0.020 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

Page 1468 of 2585

CHRYSLER VOYAGER 2004 Service Manual DESCRIPTION SPECIFICATION
Metric Standard
Ring End Gap
Ring Width-2nd
Compression
Ring 3.3L and
3.8L1.46-1.49 mm 0.0575-0.058 in.
Ring Width-Oil
Ring (Steel
Rails) 3.3L0.435-0.490
mm-.017-0.019 in.
Ri

Page 1469 of 2585

CHRYSLER VOYAGER 2004 Service Manual CYLINDER HEAD
DESCRIPTION SPECIFICATION
Metric Standard
Gasket
Thickness
(Compressed)0.65-0.75 mm 0.0007-0.0024
in.
VALVES
DESCRIPTION SPECIFICATION
Metric Standard
Face Angle-
Intake- 45-45.5É
Face

Page 1470 of 2585

CHRYSLER VOYAGER 2004 Service Manual VALVE STEM TO GUIDE CLEARANCE
DESCRIPTION SPECIFICATION
Metric Standard
Intake 0.025-0.065
mm0.001-0.0025 in.
Exhaust 0.059-0.094
mm0.002-0.0037 in.
Max Allowable-
Intake (Rocking
Method)0.247 mm 0.01

Page 1471 of 2585

CHRYSLER VOYAGER 2004 Service Manual CYLINDER HEAD
DESCRIPTION
The aluminum cylinder heads (Fig. 1) are designed
to create high flow combustion chambers to improve
performance, while minimizing the change to the
burn rate in the chamber.

Page 1472 of 2585

CHRYSLER VOYAGER 2004 Service Manual CYLINDER-TO-WATER JACKET LEAKAGE TEST
WARNING: USE EXTREME CAUTION WHEN THE
ENGINE IS OPERATING WITH COOLANT PRES-
SURE CAP REMOVED.
VISUAL TEST METHOD
With the engine cool, remove the coolant pressur

CYLINDER-TO-WATER JACKET LEAKAGE TEST
WARNING: USE EXTREME CAUTION WHEN THE
ENGINE IS OPERATING WITH COOLANT PRES-
SURE CAP REMOVED.
VISUAL TEST METHOD
With the engine cool, remove the coolant pressure
cap. Start the engine and allow it to warm up until
thermostat opens.
If a large combustion/compression pressure leak
exists, bubbles will be visible in the coolant.
COOLING SYSTEM TESTER METHOD
WARNING: WITH COOLING SYSTEM TESTER IN
PLACE, PRESSURE WILL BUILD UP FAST. EXCES-
SIVE PRESSURE BUILT UP, BY CONTINUOUS
ENGINE OPERATION, MUST BE RELEASED TO A
SAFE PRESSURE POINT. NEVER PERMIT PRES-
SURE TO EXCEED 138 kPa (20 psi).
Install Cooling System Tester 7700 or equivalent to
pressure cap neck. Start the engine and observe the
tester's pressure gauge. If gauge pulsates with every
power stroke of a cylinder a combustion pressure
leak is evident.
CHEMICAL TEST METHOD
Combustion leaks into the cooling system can also
be checked by using Bloc-Chek Kit C-3685-A or
equivalent. Perform test following the procedures
supplied with the tool kit.
REMOVAL - CYLINDER HEAD
(1) Drain the cooling system. (Refer to 7 - COOL-
ING - STANDARD PROCEDURE)
(2) Disconnect negative cable from battery.
(3) Remove upper and lower intake manifolds.
(Refer to 9 - ENGINE/MANIFOLDS/INTAKE MANI-
FOLD - REMOVAL)
WARNING: INTAKE MANIFOLD GASKET IS MADE
OF VERY THIN METAL AND MAY CAUSE PER-
SONAL INJURY, HANDLE WITH CARE.
(4) Remove the cylinder head covers. (Refer to 9 -
ENGINE/CYLINDER HEAD/CYLINDER HEAD
COVER(S) - REMOVAL)
(5) Remove the spark plugs from cylinder head.
(6) Remove the dipstick and tube (Fig. 2).
(7) Remove exhaust manifold(s). (Refer to 9 -
ENGINE/MANIFOLDS/EXHAUST MANIFOLD -
REMOVAL)
(8) Remove rocker arm and shaft assemblies.(Refer
to 9 - ENGINE/CYLINDER HEAD/ROCKER ARMS -REMOVAL) Remove push rods andmark positions
to ensure installation in original locations.
(9) Remove the eight head bolts from each cylinder
head and remove cylinder heads (Fig. 6).
CLEANING
To ensure engine gasket sealing, proper surface
preparation must be performed, especially with the
use of aluminum engine components and multi-layer
steel cylinder head gaskets.
NOTE: Multi-Layer Steel (MLS) head gaskets require
a scratch free sealing surface.
Remove all gasket material from cylinder head and
block (Refer to 9 - ENGINE - STANDARD PROCE-
DURE). Be careful not to gouge or scratch the alumi-
num head sealing surface.
Clean all engine oil passages.
INSPECTION
(1) Before cleaning, check for leaks, damage and
cracks.
(2) Clean cylinder head and oil passages.
(3) Check cylinder head for flatness (Fig. 3).
(4) Cylinder head must be flat within:
Fig. 2 DIPSTICK & TUBE
1 - DIPSTICK
2 - BOLT
3 - TUBE
RSENGINE 3.3/3.8L SUPPLEMENT9s-17
CYLINDER HEAD (Continued)

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