This tag should be used for anything related to the use of automotive engine oil, or in reference to other parts of the car that also require lubrication using oil.

learn more… | top users | synonyms

5
votes
0answers
37 views

Additives in Engine Oil

As engine oil is been used in the engine, it gets aged and therefore oligomers are formed. Is there a way that we can separate these oligomers without affecting the additives in the oil???
4
votes
0answers
49 views

Are More Recent API Oils always “Better”?

The API ( American Petroleum Institute ) provides certifications for engine oil. Such certifications range from SA for 1930's era vehicles up to the current standard SN. The above linked document ...
3
votes
0answers
25 views

My 05 F150 engine knocking

Drove it - reached destination and started knocking - NO oil on dipstick. Put in 5 quarts of oil - ran fine until reached next destination - started knocking again - oil was present this time - drove ...
3
votes
0answers
17 views
3
votes
0answers
21 views

1998 Plymouth Voyager

The oil pressure cluster light is coming on and the chime sound as well,the oil level seems fine. Wondering what the problem may be? The 1998 voyager has 138,000 miles and next oil change is not due ...
3
votes
0answers
114 views

Hyundai Santa Fe - Engine Oil Pressure Valve

Does anyone know where a 2007 Hyundai Santa Fe CRDI Engine Oil Pressure Valve is?
2
votes
0answers
49 views

Running in oil a for light diesel engine japanese, Toyta 3L?

What would you use as a running in oil for this engine? I have this engine, and it has just been reconditioned, new pistons, conrods, crank and bearings.