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SERIES 50 EXTERNAL OIL LEAKS

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

  1. Steam clean the engine.
  2. Start and run the engine to operating temperature 88C (190F).
  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 Section .
    2. If oil leaks are found, shut down the engine; refer to Section .

Engine Oil Leak Repair

Perform the following steps, as necessary, to resolve engine oil leaks: ‪

  1. Repair or replace components leaking oil; refer to Section .
  2. Verify repairs made to correct oil leaks; refer to Section .
Test Engine with Repairs Made to Correct Oil Leaks

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

  1. Start and run the engine to operating temperature 88C (190F).
  2. Shut down the engine.
  3. Check the engine for oil leaks.
    1. If no oil leaks are observed, check for a leaking oil cooler core; refer to Section .
    2. If leaking; repeat Section .