Dodge Ram Truck 1500-2500-3500. Manual — part 1300

12. Lower the front axle.

13. Remove the 6 through bolts

14. Raise the engine far enough to be able to remove the left (4) and right (8) engine mounts.

15. Remove the mounts.

16. Remove the engine mount brackets (2).

INSTALLATION

2WD

NOTE: For mount to engine block and left engine
bracket to front axle bolts, apply Mopar

T

Lock and

Seal Adhesive, Medium Strength Threadlocker.

1. Install the right and left side engine mounts to the

engine block with (8) bolts. Torque bolts to 54 N·m
(40 ft. lbs.).

2. Insert the (2) through bolts into the right and left

side engine mounts and loose assemble the two
nuts onto the through bolts.

3. Lower the engine until the through bolts rest onto

the slots in the frame brackets.

4. Tighten the through bolt nuts to 94 N·m (70 ft. lbs.).

5. Install the oil drain trough.

6. Install the engine oil filter.

7. Lower the vehicle.

8. Install the viscous fan (Refer to 7 - COOLING/ENGINE/FAN DRIVE VISCOUS CLUTCH - REMOVAL).

9. Reconnect the negative battery cable.

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ENGINE - 3.7L - SERVICE INFORMATION

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4WD

NOTE: For mount to engine block and left engine bracket to front axle bolts, apply Mopar

T

Lock and Seal

Adhesive, Medium Strength Threadlocker.

1. Install the right and left side engine mounts (4,8)to the front axle. Torque nuts to 94 N·m (70 ft. lbs.).

2. Raise the front axle into the frame and install the left and right side through bolts. Torque nuts to 94 N·m (70 ft.

lbs.).

3. Insert the two upper through bolts into the right and left side engine mounts and loose assemble the two nuts

onto the through bolts.

4. Lower the engine until the left and right side engine brackets rest on the through bolts, and the lower engine

bracket through holes align with the engine mounts, and the left engine bracket holes align with the front axle
slots.

5. Loose assemble the 3 bolts that attach the front axle to the left engine bracket.

6. Loose assemble the lower through bolts.

7. Torque the nuts for the 4 through bolts to 101 N·m (75 ft. lbs.).

8. Torque the 3 bolts that attach the front axle to the left engine bracket to 101 N·m (75 ft. lbs.).

9. Install the oil drain trough.

10. Install the engine oil filter.

11. Install the front crossmember.

12. Install the skid plate.

13. Lower the vehicle.

14. Install the viscous fan (Refer to 7 - COOLING/ENGINE/FAN DRIVE VISCOUS CLUTCH - REMOVAL).

15. Reconnect the negative battery cable.

DR/DH

ENGINE - 3.7L - SERVICE INFORMATION

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MOUNT - REAR

REMOVAL

1. Raise the vehicle on a hoist.

2. Using a suitable jack, support transmission.

3. Remove the nuts from the transmission mount (1).

4. Remove the two bolts that attach the transmission

mount to the engine bracket.

5. Raise the transmission enough to remove the

mount from the crossmember (2).

6. Remove the mount (1).

INSTALLATION

NOTE: Threadlocking compound must be applied to the bolts before installation.

1. Install the two bolts that attach the transmission mount to the transmission bracket.

2. Torque the bolts to 61N·m (45 ft.lbs.) torque.

3. Lower the transmission so the transmission mount rests on the crossmember, and the studs of the transmission

mount are aligned in the slots in the crossmember.

4. Install the nuts onto the transmission mount studs through the crossmember access slot.

5. Torque the nuts to 54N·m (40 ft. lbs.).

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ENGINE - 3.7L - SERVICE INFORMATION

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LUBRICATION

DESCRIPTION

The lubrication system is a full flow filtration pressure feed type.

OPERATION

Engine Lubrication Flow Chart - Block: Table 1

FROM

TO

Oil Pickup Tube

Oil Pump

Oil Pump

Oil Filter

Oil Filter

Block Main Oil Gallery

Block Main Oil Gallery

1. Crankshaft Main Journal

2. Left Cylinder Head*

3. Right Cylinder Head*

4. Counterbalance Shaft Rear Journal

Crankshaft Main Journals

Crankshaft Rod Journals

Crankshaft Number One Main Journal

1. Front Timing Chain Idler Shaft

2. Counterbalance Shaft - Front Journal

3. Both Secondary Chain Tensioners

Left Cylinder Head

Refer to Engine Lubrication Flow Chart - Cylinder
Heads: Table 2

Right Cylinder Head

Refer to Engine Lubrication Flow Chart - Cylinder
Heads: Table 2

* The cylinder head gaskets have an oil restricter to control oil flow to the cylinder heads

Engine Lubrication Flow Chart - Cylinder Heads: Table 2

FROM

TO

Cylinder Head Oil Port (in bolt hole)

Diagonal Cross Drilling to Main Oil Gallery

Main Oil Gallery (drilled through head from rear to front)

1. Base of Camshaft Towers

2. Lash Adjuster Towers

Base of Camshaft Towers

Vertical Drilling Through Tower to Camshaft Bearings**

Lash Adjuster Towers

Diagonal Drillings to Hydraulic Lash Adjuster Pockets

** The number three camshaft bearing journal feeds oil into the hollow camshaft tubes. Oil is routed to the intake
lobes, which have oil passages drilled into them to lubricate the rocker arms.

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ENGINE - 3.7L - SERVICE INFORMATION

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