Chrysler RAM TRUCK 2500 1994 Service Manual page 765

9 - 44 S.2L ENGINE
5.2L E N G I N E S E R V I C E P R O C E D U R E S
INOEX
page
Camshaft 56
Crankshaft 61
Crankshaft Main Bearings 62
Crankshaft Rear Oil Seals 63
Cylinder Block 64
Cylinder Head Cover 47
Cylinder Heads . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Distributor 57
Engine Assembly 46
Engine Front Mounts 44
Engine Rear Mount . . . . . . . . . . . . . . . . . . . . . . . . 45
Front Crankshaft Oil Seal Replacement . . . . . . . . . 56
page
General Information . 44
Hydraulic Tappets 52
Oil Pan . . . . . . . . . . . . 58
Oil Pump 59
Piston / Connecting Rod Assembly 59
Rocker Arms 48
Specifications—5.2L Engine 67
Timing Chain Cover 54
Valve Stem Shield / Spring Replacement 52
Valve Timing 53
Valves / Valve Springs 50
Vibration Damper . . . . . . . . . . . . . . . . . . . . . . . . . 53
GENERAL INFORMATION
The 5.2 Liter (318 CID) eight-cylinder engine is a
V-Type lightweight, single cam, overhead valve en­
gine with hydraulic roller tappets (Fig. 1).
Eng it* Type.... .90° V-8 OHV
Bore and Stroke 99.3 x 84.0 mm (3.91 x 3.31 in.)
Displacement
.....5.21
(318 cu. in.)
Compression Ratio 9.1:1
Torque
.....407 N®m (300 ft. lb.) © 3,200 rpm
Firing Oder
.1-8-4-3-6-5-7-2
Lubrication Pressure Feed - Full Flow Filtration
Engine Oil Capacity 4.7L (5.0 Qts) with Filter
Cooling System ....Liquid Cooled - Forced Circulation
Ceding Capacity.
16.1 L (17.0 Qts)
Cylinder Block Cast Iron
Crankshaft .....Nodular Iron
Cylinder Head ..Cast Iron
Combustion Chambers Wedge-High Swirl Valve Shrouding
Camshaft Nodular Cast Iron
Pistons.... ...Aluminum Alloy w/Strut
Connecting Rods ....Forged Steel
J9409-10
Fig. 1 Engine Description
This engine is designed for unleaded fuel.
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. 2).
The engine serial number is stamped into a ma­
chined pad located on the left, front corner of the cyl­
inder block. When component part replacement is
necessary, use the engine type and serial number for
reference (Fig. 3).
J908D-49
Fig. 2 Firing Order
X M 5 J L T XXXX XXXXXXXX
X = Last Digit of Model Year
M = Plant - M Mound Road
S Saltillo
T Trenton
K Toluca
5.2L = Engine Displacement
T = Usage - T Truck
XXXX = Month/Day
XXXXXXXX « Serial Code - Last 8 Digits of VIN No.
J9209-73
Fig. 3 Engine Identification Number
ENGINE FRONT MOUNTS
REMOVAL
(1) Disconnect the negative cable from the battery.