Pontiac tempest 1968 Service Manual page 222

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SIX C Y L I N D E R E N G I N E
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
. . .
. . .
6-8
6-9
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 -
6-11
6-13
Hydraulic Lash Adjuster - Recondition
. . .
6-13
6-15
. . . .
0
6-16
. .
6-17
6-18
6-18
.
6-19
6-19
6-19
. .
6-20
and Fuel Pump
6-21
6-21
Oil Pump - Remove and Replace
6-21
6-22
Oil Filter By-Pass Valve - Remove
. .
6-22
6-22
6-23
Rear Main Bearing Oil Seal -
.
6-24
Main Bearings - Remove and Replace . . . .
6-25
and Replace
.
.
6-26
Remove Rod and Piston
6-27
Disassembly Rod and Piston
6-27
6-28
6-28
6-28
6-29
6-30
Assemble Rod and Piston
6-30
6-30
6-31
Install Rod and Piston
6-32
6-32
6-33
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 C A I
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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