TM 10-3930-669-34 3. EXCESSIVE ENGINE OIL CONSUMPTION AND/OR BLUE SMOKE (CONT). KNOWN INFO TEST OPTIONS Missing oil plugs. Visual inspection. Cylinder head components OK. Piston oil control rings OK. REASON FOR QUESTION POSSIBLE PROBLEMS If front and/or rear oil seal(s) is faulty, oil leakage will result in Front and/or rear oil seal(s) excessive engine oil faulty. consumption. KNOWN INFO TEST OPTIONS Missing oil plugs. Verify repair. Cylinder head components OK. Piston oil control rings OK. REASON FOR QUESTION Front and rear oil seals OK. If engine oil consumption is POSSIBLE PROBLEMS normal, fault has been corrected. 2-36 Replace rear oil seal (Para 3-14).  Go to Step 5 of this Fault