Q. For many years, I have changed oil at 3,000 miles, even though the manufacturers have stated intervals of from 5,000 to 7,500 as being adequate. I've never had a major engine problem, and am now wondering if I could have put the $20.00 or $30.00 in some better place (maybe the local pub) and gone with the extended interval.
Or, has it been "cheap" insurance all these years? What is the consensus recommendation these days?
A. Over the life time of an engine it will need such things as alternators, water pumps and timing belts. These things will not really affect the life span of the engine. Things like bearings and rings do, so by changing the oil every 3,000 miles you are doing the very best thing you can to keep those parts in the best condition possible.
If you read the owner’s manual it does recommend oil and filter changes every 7,500 miles but more often under "severe" conditions. Well according to their definition of severe any time you take your car out of the driveway, you're operating under severe conditions.
Every mechanic I do know of still advocates oil and filter changes every 3,000 miles and it is cheap insurance for keeping your engine healthy and alive. Think how much less money you would have for the pub in case you need to replace your engine. The only exception to this schedule was with the GM 350 diesel engines. At the Oldsmobile dealership they recommend changing the oil and filter every 3,000 miles and the engine every 30,000 miles.
tags: waste oil extractor, oil changers, oil filled machine
http://www.chinapuli.com/Lubrication-Equipments-Tank-Series/
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