Dodge Ram Truck 1500-2500-3500. Manual — part 1322

2. Set engine to TDC cylinder #1, camshaft sprocket V8 marks at the 12 o’clock position.

3. Mark one link on the secondary timing chain on both sides of the V8 mark on the camshaft sprocket (2) to aid

in installation.

CAUTION: Do not hold or pry on the camshaft tar-
get wheel for any reason, Severe damage will
occur to the target wheel. A damaged target wheel
could cause a vehicle no start condition.

4. Loosen but DO NOT remove the camshaft sprocket

retaining bolt (2). Leave bolt snug against sprocket
(3).

NOTE: The timing chain tensioners must be secured prior to removing the camshaft sprockets. Failure to
secure tensioners will allow the tensioners to extend, requiring timing chain cover removal in order to reset
tensioners.

CAUTION: Do not force wedge (3) past the narrowest point between the chain strands. Damage to the ten-
sioners may occur.

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ENGINE - 4.7L - SERVICE INFORMATION

DR/DH

5. Position Special Tool 8350 timing chain wedge (3) between the timing chain strands. Tap the tool to securely

wedge the timing chain against the tensioner arm and guide.

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).

DR/DH

ENGINE - 4.7L - SERVICE INFORMATION

9 - 2211

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·m (100 in. lbs.).

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ENGINE - 4.7L - SERVICE INFORMATION

DR/DH

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
with the slot in the camshaft sprocket (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.

DR/DH

ENGINE - 4.7L - SERVICE INFORMATION

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Политика конфиденциальности