Quote:
Originally Posted by beatr911
If the car uses a quart every 1000-1200 miles why do you change the oil at all? Even with a 5 quart capacity, you're changing the oil within the recommended change range.
Is it burning the oil or leaking it, or both? If it leaks would fixing the leaks reduce consumption significantly?
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I know the car is basically changing it's own oil, but the filter has to be changed occasionally so if the car is already a quart low by the time some leaks out while changing the filter and what is in the filter it's going to need about 2 quarts added to it anyway so I'd rather just do a complete oil change and know everything in clean.
As for the burning/leaking question, it's doing some of both, but even though the car smokes very little I think that most of it is being burned, because I've replaced the valve cover gasket, oil pan gasket, crankshaft seal, and camshaft seal all in the past few years.