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3 5 0 AND 4 0 3 ENGINE
6A4-19
MEASURING NO
4
CYL
t
A T T D C
T D C
Fig.
6A4-47
Checking Valve Timing
DARKENED AREA
AROUND OUTER
CIRCUMFERENCE
REPRESENTS THE
CHAMFERED AREA.
THE DOWEL P I N
IS I N THE 12 O'CLOCK
POSITION.
350 C.I.D. A N D 403 (ONE
CHAMFER FROM 4 TO 8 O'CLOCK
3675
Fig.
6A4-48
Camshaft Identification
Installation
Coat camshaft and bearings liberally with No. 105 1396
or equivalent before installing. Camshaft gear and crankshaft
gear must be aligned as shown in Fig. 6A4-45. Before
installing distributor, refer to ENGINE ELECTRICAL
Section.
Timing indicator attaching stud must be installed and
properly torqued before installing power steering pump
bracket. Start engine, recharge A/C system, check for
possible leaks.
CAMSHAFT BEARINGS
The camshaft bearings must be replaced in complete sets.
All bearings must be removed before any can be installed. No.
1 bearing must be removed first, then No. 2, then 3, 4, and
5. When installing the bearings, No. 5 must be installed first,
then 4, 3, 2 and 1.
Camshaft Bearing Remover and Installer Set BT-6409
is an available tool.
This set can be used to remove cam bearings with the
engine either in or out of the car. To replace bearings with
engine in car, proceed as follows:
Removal
3. Remove No. 3 and 4 bearings in the same manner,
using BT-6409-3 and BT-6409-4 removers.
4. To remove No. 5 bearing with engine in chassis, use
Puller BT 6409-8.
Installation
NOTE: To aid aligning bearings with oil passages, place
each bearing in the front bore with tapered edge toward
block and align the oil hole in the bearing with the center
of the oil slot in the bore. Mark top of bearing. When
Installing the bearings the mark will act as a guide.
1. Place new No. 5 bearing on BT-6409-5 and drive
bearing in until the last white line on the driver is flush with
the front face of the pilot. (Fig. 6A4-49)
Fig.
6A4-49
Installing Rear Cam Bearing
2. Use BT-6409-9 to check oil hole opening as shown in
Fig. 6A4-50.
3. Remove BT-6409-5 Installer and install BT-6409-4.
Place No. 4 bearing on installer and drive in until the next
to last white line on driver is flush with pilot.
4. Follow the same procedure to install No. 3 and No.2.
5. Install Tool BT-4609-1 on Handle 5-9092 and place
No. 1 bearing on installer. Drive Bearing in until white line
on Installer BT-6409 is flush with front face of block. (Fig.
6A4-5 1)
1. Install No. 1 Cam Bearing Remover and Installer BT-
6409-1 on Handle 5-8092 and drive out front cam bearing.
2. Place Pilot BT-6409-6 on Driver BT-6409-7 and
install No. 2 Cam Bearing Tool BT-6409-2 on driver and
drive out No. 2 bearing.
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