Dodge 2001 Ram 1500 Owner's Manual page 1380

BR/BE
ENGINE 5.9L DIESEL (Continued)
CONDITION
COMPRESSION KNOCKS
EXCESSIVE VIBRATION
EXCESSIVE ENGINE
NOISES
POSSIBLE CAUSES
4. Oil cooler leak
5. High blow-by forcing oil out the
breather.
6. Turbocharger leaking oil to the air
intake.
7. Piston rings not sealing (oil being
consumed by the engine).
1. Air in the fuel system.
2. Poor quality fuel or water/gasoline
contaminated fuel.
3. Engine overloaded.
4. Incorrect injection pump timing.
5. Improperly operating injectors.
1. Loose or broken engine mounts.
2. Damaged fan or improperly
operating accessories.
3. Improperly operating vibration
damper
4. Improperly operating viscous fan
drive.
5. Worn or damaged generator
bearing.
6. Flywheel housing misaligned.
7. Loose or broken power
component.
8. Worn or unbalanced driveline
components.
1. Drive belt squeal, insufficient
tension or abnormally high loading.
2. Intake air or exhaust leaks.
3. Excessive valve lash.
ENGINE 5.9L DIESEL
CORRECTION
4. Check and replace the oil cooler.
5. Check the breather tube area for signs of
oil loss. Perform the required repairs.
6. Inspect the air ducts for evidence of oil
transfer. Repair as required.
7. Perform blow-by check. Repair as
required.
1. Bleed the fuel system (Refer to 14 -
FUEL SYSTEM/FUEL DELIVERY -
STANDARD PROCEDURE).
2. Verify by operating from a temporary
tank with good fuel. Clean and flush the
fuel tank. Replace fuel/water separator filter.
3. Verify the engine load rating is not being
exceeded.
4. Check injection pump for proper
installation.
5. Check and replace inoperative injectors.
1. Replace engine mounts.
2. Check and replace the vibrating
components.
3. Inspect/replace vibration damper.
4. Inspect/replace fan drive.
5. Check/replace generator.
6. Check/correct flywheel alignment.
7. Inspect the crankshaft and rods for
damage that causes an unbalance
condition. Repair/replace as required.
8. Check/repair driveline components.
1. Check the automatic tensioner and
inspect the drive belt. Make sure water
pump, tensioner pulley, fan hub and
generator turn freely.
2. Refer to Excessive Exhaust Smoke
(Refer to 9 - ENGINE - DIAGNOSIS AND
TESTING).
3. Adjust valves. Make sure the push rods
are not bent and rocker arms, adjusting
screws, crossheads, are not severely worn.
Replace bent or severely worn components.
9 - 233