Dodge Ram Truck 1500-2500-3500. Manual — part 1366

PISTON RING SPECIFICATION CHART

Ring Position

Ring/Groove

Maximum

Side Clearance

Clearance

Upper Ring

0.02-0.07mm

0.11mm

(0.0008- 0.0028 in.)

(0.004 in.)

Intermediate Ring

0.02-0.06 mm

0.10mm

(0.0008-0.0023 in.)

(0.004 in.)

Ring Position

Ring Gap

Wear Limit

Upper Ring

0.23-0.38mm

0.43mm

(0.0090-0.0149 in.)

(0.017 in.)

Intermediate Ring

0.35-0.60mm

0.74mm

(0.0137-0.0236 in.)

(0.029 in.)

Oil Control Ring

0.015-0.66mm

0.76mm

(Steel Rail)

(0.0059- 0.0259 in.)

(0.030 in.)

7. The No. 1 and No. 2 piston rings have a different cross section. Ensure No. 2 ring is installed with manufacturers

I.D. mark (Dot) facing up, towards top of the piston.

NOTE: Piston rings are installed in the following order:

•

Oil ring expander.

•

Lower oil ring side rail.

•

Upper oil ring side rail.

•

No. 2 Intermediate piston ring.

•

No. 1 Upper piston ring.

8. Install the oil ring expander.

9. Install upper side rail by placing one end between

the piston ring groove and the expander ring. Hold
end firmly and press down the portion to be
installed until side rail is in position. Repeat this
step for the lower side rail.

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ENGINE - 5.7L - SERVICE INFORMATION

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10. Install No. 2 intermediate piston ring using a pis-

ton ring installer.

11. Install No. 1 upper piston ring using a piston ring

installer.

12. Position piston ring end gaps as shown in. It is

important that expander ring gap is at least 45°
from the side rail gaps, but not on the piston pin
center or on the thrust direction.

DAMPER - CRANKSHAFT

REMOVAL

1. Disconnect negative cable from battery.

2. Remove accessory drive belt (Refer to 7 - COOLING/ACCESSORY DRIVE/DRIVE BELTS - REMOVAL).

3. Drain cooling system (Refer to 7 - COOLING - STANDARD PROCEDURE).

4. Remove radiator upper hose.

5. Remove fan shroud (Refer to 7 - COOLING/ENGINE/RADIATOR FAN - REMOVAL).

6. Remove crankshaft damper bolt.

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ENGINE - 5.7L - SERVICE INFORMATION

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7. Remove damper using Special Tools 8513A Insert

and 1023 Three Jaw Puller.

INSTALLATION

CAUTION: To prevent severe damage to the Crank-
shaft, Damper or Special Tool 8512–A, thoroughly
clean the damper bore and the crankshaft nose
before installing Damper.

1. Slide damper onto crankshaft slightly.

CAUTION: Special Tool 8512–A, is assembled in a
specific sequence. Failure to assemble this tool in
this sequence can result in tool failure and severe
damage to either the tool or the crankshaft.

2. Assemble Special Tool 8512–A as follows, The nut

is threaded onto the shaft first (2). Then the roller
bearing (1) is placed onto the threaded rod (3) The
hardened bearing surface of the bearing (1) MUST
face the nut (2). Then the hardened washer (5)
slides onto the threaded rod (3). Once assembled coat the threaded rod’s threads with Mopar

T

Nickel Anti-Seize

or (Loctite No. 771).

3. Using Special Tool 8512–A, press damper onto crankshaft.

4. Install then tighten crankshaft damper bolt to 176 N·m (129 ft. lbs.).

5. Install radiator upper hose.

6. Install accessory drive belt (Refer to 7 - COOLING/ACCESSORY DRIVE/DRIVE BELTS - INSTALLATION).

7. Refill cooling system (Refer to 7 - COOLING - STANDARD PROCEDURE).

8. Connect negative cable to battery.

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ENGINE - 5.7L - SERVICE INFORMATION

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COVER - STRUCTURAL

DESCRIPTION

The structural dust cover is made of die cast aluminum and joins the lower half of the transmission bell housing to
the engine.

OPERATION

The structural cover provides additional powertrain stiffness and reduces noise and vibration.

REMOVAL

1. Raise vehicle on hoist.

CAUTION: On manual transmission vehicles, the
7/16 inch engine block to clutch housing bolts
must be loosened before removal of the structural
dust cover (1). Clutch housing distortion will occur
if this procedure is not followed.

2. Remove the bolts retaining structural cover (1,2).

3. Remove the structural cover.

INSTALLATION

AUTOMATIC TRANSMISSION

CAUTION: The structural cover must be installed
as described in the following steps. Failure to do
so will cause severe damage to the cover.

1. Position the structural cover in the vehicle.

2. Install all four bolts retaining the cover-to-engine.

DO NOT tighten the bolts at this time.

3. Install the four cover-to-transmission bolts. Do NOT

tighten at this time.

CAUTION: The structural cover must be held
tightly against both the engine and the transmission bell housing during tightening sequence. Failure to do
so may cause damage to the cover.

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ENGINE - 5.7L - SERVICE INFORMATION

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