SIX
CYLINDER
ENGINE
6-5
SIX
CYLINDER ENGINE
(For Contents of V-8 Engine, See
Page
6-38)
SUBJECT
PAGE
SUBJECT
PAGE
General
Description 6-1
Periodic Service 6-5
Service Operations on Car 6-5
Engine
Insulators - Remove and Replace . . 6-5
Drive
Belts - Adjust 6-7
Engine
- Remove and Install 6-7
Intake
and Exhaust Manifold or Gaskets -
Remove and Replace . . . . . . 6-8
Timing
Belt Top Front Cover - Remove
and
Replace 6-9
Timing
Belt Adjustment . . . 6-9
Camshaft
Sprocket or Seal - Remove
and
Replace 6-10
Rocker
Arm Cover Assembly and Gasket -
Remove and Replace 6-11
Camshaft,
Rocker Arm Cover and/or
Rocker
Arm Cover Core Plug -
Remove and Replace 6-11
Rocker
Arm or Hydraulic Valve
Lash
Adjuster
- Remove and Replace 6-13
Hydraulic
Lash
Adjuster - Recondition ... 6-13
Valve
Springs, Shield or Seal - Remove
and
Replace 6-15
Cylinder
Head or Gasket - Remove
and
Replace . . . .
0
6-16
Cylinder
Head and Valves - Recondition . . 6-17
Fitting
Valve Stems to Guides . . . . . . . . 6-18
Valves and Seats - Recondition 6-18
Harmonic
Balancer - Remove and Replace . 6-19
Lower
Front Timing Belt Cover -
Remove and Replace 6-19
Crankshaft
Timing Belt Sprocket or
Crankshaft
Cover Seal - Remove
and
Replace 6-19
Front
Crankcase Cover and Gasket -
Remove and Replace . . 6-20
Housing Assembly - Oil Pump, Distributor
and
Fuel
Pump 6-21
Pressure
Regulator Valve - Oil Pump -
Remove and Replace 6-21
Oil
Pump - Remove and Replace 6-21
Housing Assembly - Remove and Replace . . 6-22
Oil
Filter
By-Pass Valve - Remove
and
Replace . . 6-22
Shaft and Sprocket Assembly . 6-22
Oil
Pan - Remove and Replace 6-23
Rear
Main Bearing Oil Seal -
Remove and Replace . 6-24
Main
Bearings - Remove and Replace .... 6-25
Connecting Rod Bearings - Remove
and
Replace . . 6-26
Connecting Rod and Piston Assembly
Remove Rod and Piston 6-27
Disassembly Rod and Piston 6-27
Clean
and Inspect 6-28
Piston Pin Fit 6-28
Cylinder
Bores - Inspect 6-28
Honing or Boring 6-29
Piston Fit and Replace . 6-30
Assemble Rod and Piston 6-30
Piston Rings - Replace 6-30
Piston Rings - Install 6-31
Install
Rod and Piston 6-32
Crankshaft
- Remove and Replace 6-32
Fitted
Block Assembly - Replace 6-33
Specifications 6-34
PERIODIC
SERVICE
There
are no periodic services required on the
mechanical portions of the
engine.
Periodic serv-
ices
connected
with the
engine
consist of tune-up,
lubrication,
replacing oil filter, PCV valve, fuel
filter, etc. Procedures and recommendations for
these
services will be found in appropriate
sections
of this
book.
SERVICE
OPERATIONS
ON CAI
ENGINE
INSULATORS-REMOVE
AND
REPLACE
FRONT
INSULATORS
(Fig
c
6-8)
1, Rotate harmonic balancer until timing mark is
at
bottom.
2. Bolt J
22773
(Firebird) or J
22345
(Tempest)
Engine
Support Bracket to front of harmonic bal-
ancer (Fig. 6-10).
3. Remove insulator to bracket bolts.
4. With suitable equipment, raise
engine
at lifting
tool
until insulator clears brackets.
CA
UTION:
Safety
bracket
must be
bolted
to
Fire-
bird
engine
lifting
tool
whenever in use to prevent
engine
from
moving
while
in the
raised
position
(Fig.
6-10).
5„
Raise
engine
approximately 1"
above
front in-
sulators.
6
0
Remove insulators by removing two insulator-
to-block bolts. On manual trans 4 bbl. Overhead
Cam
engine,
remove two
bolts
and two spacers.
7. Install new insulator reversing procedure num-
ber six and
tighten
bolts
to 65 lb. ft.
8
0
Lower front of
engine
into
position and install
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