Page 1673 of 5267
6. Remove the camshaft position sensor (1).
NOTE: When gripping the camshaft, place the pli-
ers (1) on the tube portion of the camshaft only.
Do not grip the lobes or the sprocket areas.
7. Hold the camshaft with adjustable pliers (1) while
removing the camshaft sprocket bolt (2)and
sprocket (3).
8. Using the pliers (1), gently allow the camshaft to
rotate 45° counter-clockwise until the camshaft is in
the neutral position (no valve load).
Page 1674 of 5267

9. Starting at the outside working inward, loosen the
camshaft bearing cap retaining bolts 1/2 turn at a
time. Repeat until all load is off the bearing caps.
CAUTION: DO NOT STAMP OR STRIKE THE CAM-
SHAFT BEARING CAPS. SEVERE DAMAGE WILL
OCCUR TO THE BEARING CAPS.
NOTE: When the camshaft is removed the rocker
arms may slide downward, mark the rocker arms
before removing camshaft.
10. Remove the camshaft bearing caps and the
camshaft.
INSTALLATION
1. Lubricate camshaft journals with clean engine oil.
NOTE: Position the right side camshaft so that the
camshaft sprocket dowel is near the 10 o’clock
position, This will place the camshaft at the neu-
tral position easing the installation of the camshaft
bearing caps.
2. Position the camshaft into the cylinder head.
3. Install the camshaft bearing caps, hand tighten the
retaining bolts.
4. Working in 1/2 turn increments, tighten the bearing
cap retaining bolts starting with the middle cap
working outward.
5. Torque the camshaft bearing cap retaining bolts to
11 N ꞏm ( 1 0 0 i n . l b s . ) .
Page 1675 of 5267
6. Position the camshaft drive gear into the timing chain aligning the V8 mark (2) between the two marked chain
links (Two links marked during removal).
NOTE: When gripping the camshaft, place the pli-
ers on the tube portion of the camshaft only. Do
not grip the lobes or the sprocket areas.
7. Using the adjustable pliers (1), rotate the camshaft
until the camshaft sprocket dowel (2) is aligned
withtheslotinthecamshaftsprocket(2).Install
the sprocket onto the camshaft.
CAUTION: Remove excess oil from camshaft
sprocket bolt. Failure to do so can cause bolt
over-torque resulting in bolt failure.
8. Remove excess oil from camshaft sprocket bolt,
then install the camshaft sprocket retaining bolt and
hand tighten.
Page 1676 of 5267
9. Remove timing chain wedge special tool 8350 (3).
10. Using Special Tool 6958 spanner wrench with
adapter pins 8346 (2), torque the camshaft
sprocket retaining bolt (4) to 122 Nꞏm (90 ft. lbs.).
Page 1677 of 5267
11. Install the camshaft position sensor.
12. Install the cylinder head cover (1) (Refer to 9 -
ENGINE/CYLINDER HEAD/CYLINDER HEAD
COVER(S) - INSTALLATION).
Page 1678 of 5267

COVER - CYLINDER HEAD
DESCRIPTION
The cylinder head covers are made of injection molded thermo-set plastic,and are not interchangeable from side-
to-side. It is imperativethat nothing rest on the cylinder head covers. Prolonged contact with other items may wear
a hole in the cylinder head cover.
REMOVAL
REMOVAL - RIGHT SIDE
1. Disconnect battery negative cable.
2. Remove air cleaner assembly, resonator assembly and air inlet hose.
3. Drain cooling system (Refer to 7 - COOLING - STANDARD PROCEDURE).
4. Remove accessory drive belt (Refer to 7 - COOLING/ACCESSORY DRIVE/DRIVE BELTS - REMOVAL).
5. Remove air conditioning compressor retaining bolts and move compressortotheleft.
6. Remove heater hoses.
7. Disconnect injector and ignition coil connectors.
8. Disconnect and remove positive crankcase ventilation (PCV) hose.
9. Remove oil fill tube.
10. Un-clip injector and ignition coil harness and move away from cylinderhead cover.
11. Remove right rear breather tube and filter assembly.
12. Remove cylinder head cover retaining bolts.
13. Remove cylinder head cover.
NOTE: The gasket may be used again, provided no cuts, tears, or deformationhas occurred.
REMOVAL - LEFT SIDE
1. Disconnect negative cable from battery.
2. Remove the resonator assemble and air inlet hose.
3. Disconnect injector connectors and un-clip the injector harness.
4. Route injector harness in front of cylinder head cover.
5. Disconnect the left side breather tube and remove the breather tube.
6. Remove the cylinder head cover mounting bolts.
7. Remove cylinder head cover and gasket.
NOTE: The gasket may be used again, provided no cuts, tears, or deformationhas occurred.
CLEANING
Clean cylinder head cover gasket surface.
Clean head rail, if necessary.
Page 1679 of 5267

INSTALLATION
INSTALLATION - RIGHT SIDE
CAUTION: Do not use harsh cleaners to clean the
cylinder head covers. Severe damage to covers
may occur.
1. Clean cylinder head cover and both sealing sur-
faces. Inspect and replace gasket as necessary.
2. Install cylinder head cover and hand start all fas-
teners (1). Verify that all double ended studs are in
the correct location shown in.
3. Tighten cylinder head cover bolts and double
ended studs to 12 Nꞏm (105 in. lbs).
4. Install right rear breather tube and filter assembly.
5. Connect injector, ignition coil electrical connectors and harness retaining clips.
6. Install the oil fill tube.
7. Install PCV hose.
8. Install heater hoses.
9. Install air conditioning compressor retaining bolts.
10. Install accessory drive belt (Refer to 7 - COOLING/ACCESSORY DRIVE/DRIVE BELTS - INSTALLATION).
11. Fill Cooling system (Refer to 7 - COOLING - STANDARD PROCEDURE).
12. Install air cleaner assembly, resonator assembly and air inlet hose.
13. Connect battery negative cable.
INSTALLATION - LEFT SIDE
CAUTION: Do not use harsh cleaners to clean the
cylinder head covers. Severe damage to covers
may occur.
1. Clean cylinder head cover and both sealing sur-
faces. Inspect and replace gasket as necessary.
2. Install cylinder head cover and hand start all fas-
teners. Verify that all studs are in the correct loca-
tion shown in.
3. Tighten cylinder head cover bolts (1) and double
ended studs to 12 Nꞏm (105 in. lbs.).
4. Install left side breather and connect breather tube.
5. Connect injector electrical connectors and injector
harness retaining clips.
6. Install the resonator and air inlet hose.
7. Connect negative cable to battery.
Page 1680 of 5267

VALVES & SEATS - INTAKE/EXHAUST
DESCRIPTION
The valves are made of heat resistant steel and have chrome plated stems to prevent scuffing. Each valve is actu-
ated by a roller rocker arm which pivots on a stationary lash adjuster. All valves use three bead lock keepers to
retain the springs and promote valve rotation.
REMOVAL
NOTE: The cylinder heads must be removed in
order to perform this procedure.
1. Remove rocker arms and lash adjusters (Refer to 9
- ENGINE/CYLINDER HEAD/ROCKER ARM /
ADJUSTER ASSY - REMOVAL).
2. Remove the camshaft bearing caps and the cam-
shaft.
NOTE: All valve springs and valves are removed in
the same manner; this procedure only covers one
valve and valve spring.
3. Using Special Tool C-3422–B or C-3422–C Valve
Spring Compressor and Special tool 8519 Adapter,
compress the valve spring.
NOTE: It may be necessary to tap the top of the
valve spring to loosen the spring retainers locks
enough to be removed.
4. Remove the two spring retainer lock halves.
NOTE: the valve spring is under tension use care when releasing the valve spring compressor.
5. Remove the valve spring compressor.
6. Remove the spring retainer, and the spring.
NOTE: Check for sharp edges on the keeper grooves. Remove any burrs from thevalvestembeforeremov-
ing the valve from the cylinder head.
7. Remove the valve from the cylinder head.
NOTE: The valve stem seals are common between intake and exhaust.
8. Remove the valve stem seal. Mark the valve for proper installation.