03-018-99
Engine,
4.6L (2V)
03-01 8-99
DISASSEMBLY AND ASSEMBLY (Continued)
5. Further compress valve spring and remove valve
spring retainer keys (6518), valve spring retainer
and valve spring.
Part
Item
Number
Description
1
6507
Intake Valve
2
6505
Exhaust Valve
3
657 1
Valve Stem Seal
4
65 13
Valve Spring
5
6514
Valve Spring Retainer
6
6518
Valve Spring Retainer Key
6. Remove valve stem seal (657 1) using locking
pliers and remove intake valve (6507) and
exhaust valves (6505).
7. Remove 1 4 bolts retaining camshaft bearing caps
(68280) to cylinder head (6049).
8.
Tap upward on camshaft bearing caps to
gradually lift camshaft bearing caps from cylinder
head. Remove camshaft.
Part
Item
Number
1
6B280
2
N807352
3
6B280
4
6250
5
6564
6
6500
7
6049
8
N806070
A
-
Assembly
NOTE: VALVE TAPPET MUST
BE PUMPED UP BEFORE
INSTALLAOON
NOTE: LH SHOWN
RH SIMILAR
Description
A14818-C
Front Camshaft Bearing Cap
Bolt (2 Req'd)
Rear Camshaft Bearing Cap
Camshaft
Rocker Arm (8 Req' d)
Valve Tappet (8 Req'd)
Cylinder Head (LH)
Bolt ( 1 2 Req'd)
Tighten to 8·12 N·m (7 1-106
Lb-ln)
1 . Position camshaft on cylinder head. Apply oil to
journals and lobes of camshaft.
2. Install and seat camshaft bearing cap. Hand-start
1 4 bolts.
3.
NOTE: Each camshaft bearing cap is tightened
individually.
lighten camshaft bearing cap retaining bolts in
sequence to 8-1 2 N·m (7 1-1 06 1b-ln).
1997 Thunderbird, Cougar July 1996