Section 7.2 External Oil Leaks

Section 7.2
External Oil Leaks

To determine if oil leaks are causing excessive oil consumption, perform the following:‪

  1. Steam clean the engine.
    warning

    PERSONAL INJURY

    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.‪

  2. Start and run the engine to operating temperature: 88° C (190°F).
  3. Check for leaks at oil lines, connections, mating joints, seals, and gaskets.
    1. If no oil leaks are found, shut down the engine and check for a leaking oil cooler core; refer to "7.3 Leaking Oil Cooler Element" .
    2. If oil leaks are found, shut down the engine.
  4. Repair or replace components leaking oil; refer to MBE 4000 Service Manual (6SE420), Chapter 3, “Lubrication System”.
  5. Verify repairs made to correct oil leaks; refer to "7.2.1 Test Engine with Repairs Made to Correct Oil Leaks" .

Section 7.2.1
Test Engine with Repairs Made to Correct Oil Leaks

Perform the following steps to determine if the repairs resolved the oil leaks:‪

warning

PERSONAL INJURY

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 to operating temperature: 88° C (190° F).
  2. Shut down the engine.
  3. Check the engine for oil leaks.
    1. If no oil leaks are observed, check for a leaking oil heat exchanger; refer to "7.3 Leaking Oil Cooler Element" .
    2. If external oil leaks are present, refer to "7.2 External Oil Leaks" and repeat.


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

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