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8-2
PART
8·1
GENERAL ENGINE SERVICE
Section
1
Diagnosis and Testing
Diagnosis Guide
....
Cam shaft Lobe Lift
Compression Test
....
Manifold Vacuum Test
Hydraulic Valve Lifte,· Tests
Positive Crankcase Ventilation System Test
Crankshaft End Play
Flywheel Runout-Automatic Transmission
Flywheel Ring Gear Runout
Camshaft End Play
Timing Chain Deflection
.
..
.
2
Common
Adjustments and Repairs
Valve
Clearance-Hydraulic
Valve Lifters,
Six
cylinder engines
Valve
Clearance-Hydraulic
Valve Lifters
V
-8
engines
..
Valve Rocker Arm· and
/
or Shaft Assembly
Push Rods
Valves
Camshaft
Crankshaft
Pistons, Pins and Rings
This part covers engine diagnosis,
tests and adjustment and repair pro-
cedures. In addition, the cleaning and
ir>spection procedure'> are
covered.
For engine removal, disassembly,
assembly, installation and major re-
pair procedures, refer to the perti-
nent part of this group.
Pace
8-2
8-3
8-
8
8-8
8-9
8-9
8-10
B-10
8-11
8-11
8-11
8-11
8-11
8 -11
8-12
8-12
8-13
8-13
8-13
8
-
14
8-
14
Section
Cylinder Block
Flywheel Ring Gear-Manual Shift
Transmission
3
Cleaning and Inspection
Intake Manifold
...
.
Exhaust Manifold
.
..
.
Valve Rocker Arm and/or Shaft Assembly
Push Rods
....
Cylinder Heads
Hydraulic Valve
Lift~rs
Timing Chain and Sprockets
Camshaft
Crankshaft Vib1·ation Damper and Sleeve
Crankshaft
Flywheel-Manual Shift Transmission
Flywheel-Automatic Transmission
Connecting Rods
...
.
Pistons, Pins and Rings
....
Main and Connecting Rod Bearings
Cylinder
Block
Oil Pan
Oil Pump
Positive Crankcase Ventilation System
Pa1•
8-15
8-15
8-15
8-15
8-1
5
8
-
5
8-15
8·16
8- 17
8-17
8-17
8-17
8-17
8-.8
8-18
8-18
8-18
8-1
8
8-1
9
8-19
8-19
8-20
MODEL
YEAR
CHANGE LEVEL
MONTH OF ENGINE
PRODUCTION
ENGINE
On 351 CID 4V engines only.
An identification tag is attached to
the
engine.
The symbol
code (Fig.
1)
identifies this engine
for
determining
parts usage; i.e., engine
cubic
inch
displacement and model year. The
change level and engine
code
number
determine if parts are peculiar to a
specific engine.
FIG. 1.-Engine Identification Tag
351 CID 4V only- Typical
D
DIAGNOSIS AND TESTING
Engine performance complaints
usually fall under one of the basic
headings listed in the Diagnosis
Guide. When a particular trouble
can not be traced to a definite cause
by a simple check, the possible items
that could be at fault are listed in the
order of their probable occurrence.
Check the items in the order listed.
For example, under Poor Accelera-
tion, the ignition system is listed as
a probable cause of the trouble. All
the conventional ignition system items
that affect acceleration are listed.
Ch~k
all these items before proceed-
ing to the next probable cause.
For diaposls proceclures of
~pi
don system malfancdons, refer to
Group 9.
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