TROUBLESHOOTING

1953-1960 Classic Car Engines Troubleshooting Guide: Low Oil Pressure

1. Oil pressure gauge inaccurate.
2. Pipe to pressure gauge restricted.
3. Oil too thin due to dilution, poor quality, or too light a grade used.
4. Oil pressure relief valve adjustment too light.
5. Relief valve spring weak.
6. Oil pump gears worn.
7. Oil pump cover worn.
8. Oil pump body or cover loose.
9. Oil pump gasket damaged, improperly installed or too thick.
10. Air leak in oil intake pipe (if oil level is low).
11. Air leak in top of floating screen (if used).
12. Oil intake pipe or screen clogged with water, sludge, gummy oil, dirt or ice.
13. Oil leak in discharge pipe.
14. Loose connections in oil lines.
15. Worn main, rod or camshaft bearings.

The Complete Guide to Troubleshooting 1953-1960 Era American Classic Car Engines