FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Excessive Engine Oil Consumption




Excessive engine oil consumption

Diagnostic Procedure:

1. Verify the engine oil filler cap, the oil drain bolt, and the oil filter are tight.

2. Check for oil leaks.

3. Check for worn valve guide(s):

4. J35Z6 engine Valve Stem-to-Guide Clearance Inspection

5. J37A4 engine Valve Stem-to-Guide Clearance Inspection

6. or worn stem seal(s):

7. J35Z6 engine Valve Inspection

8. J37A4 engine Valve Inspection

9. Check for damaged or worn piston ring(s). Service and Repair

10. Check for damaged or worn engine internal parts (cylinder wall, pistons, etc).. Testing and Inspection

Also check for:

- Check the maintenance records, worn out engine oil will burn off at a higher rate