Section 10.1 Miscalibrated Dipstick

Section 10.1
Miscalibrated Dipstick

To determine if an overfilled crankcase is causing the excessive blue smoke, perform the following:‪

  1. Ensure the vehicle is parked on level ground.
  2. Drain the oil pan. Refill oil pan to the proper capacity, refer to MBE 4000 Service Manual (6SE420), Chapter 1, “Preventive Maintenanc”.
    1. If a calibration check indicates that the oil level is off by more than 2 mm (0.079 in.), contact Detroit Diesel Customer Support Center at 313-592-5800.
    2. Verify that the correct oil level has eliminated the excessive blue smoke concern; refer to "10.1.1 Test the Engine with the Correct Oil Level" .

Section 10.1.1
Test the Engine with the Correct Oil Level

Perform the following to determine if the correct oil level resolved the excessive blue smoke condition:‪



To avoid injury before starting and running the engine, ensure the vehicle is parked on a level surface, parking brake is set, and the wheels are blocked.‪

  1. Start and run the engine.
  2. Run the engine at idle under no-load conditions for approximately five minutes, allowing the engine coolant to reach normal operating range, approximately 88-96°C (190-205°F).
  3. Visually inspect exhaust for excessive blue smoke.
    1. If the engine smoke emission appears normal, no further troubleshooting is required. Shut down the engine.
    2. If the engine exhaust smoke is excessively blue, shut down the engine. Refer to "10.2 Improper Grade of Lubricating Oil" .

EPA07 MBE 4000 DDEC VI Troubleshooting Guide - 6SE568
Generated on 10-13-2008

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