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I checked both my oil drain nut, and oil filter, and both are clean. Just noticed it when I parked on a white driveway and left a big stain. Looked under car and noticed a long metal part of the frame covered in oil all the way down to the rear of the car. Any answers?
Its clearly that you got oil leak... here is a solution for you: Could be your rear main seal...how many miles are on the vehicle?
Sounds about right for a 10 year old car if you drive it a lot and the
price sounds about right to fix it. Actually, it's a bit cheap as they
have to pull the engine to replace it...usually...if they do it right,
they do.
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You need to run an engine cleaner through your engine. Drain about 1 quart out and pour in a bottle of cleaner. Let engine run for about 5 minutes and drain oil and change oil filter. You may want to consider doing this with the next 2-3 oil changes to remove all the build-up in the engine. You will tell a big difference. Also, some do this as I am one of them. During the winter months I use a thicker oil and during the summer the recommended oil weight. Just to assure you it's fine, read the owners manual and it should be in there about using a heavier weight. Good Luck
I just had the same problem. I bought a 04 Miata 2 days ago that had just had an oil change. When I checked the oil yesterday and nothing registered on the stick. Then today I noticed some oil on the driveway. I looked at the oil filter with the engine running and saw the leak. There is an oil cooler pick up cylinder is between the oil filter and the block. with the oil filter removed, there is a nut that is not a locking nut which can back off. I took the nut off, cleaned the rubber seal ring between the cylinder and the engine block. I put everthing back together and no more leak. If the seal ring is damaged, it costs $12 ( I Priced one today but didn't need it. This may be the problem you are having.
This car has a catalytic converter, you can't see the smoke of the burned oil with it, it's cleaned. The oil could get in the plugs cavity only if there's a leak at the valve cover. My guess is that the oil seeps out only when there's pressure - the engine is running. To find where it leaks clean your engine thoroughly the start the engine in your driveway for an hour - where the oil will leak you clearly see it. In that case replace the corresponding seal.
Get a drain container to fit under car that will hold more than 4litres of oil. Drain hole is under front of car on bottom of engine on oil pan.
Remove plug, allow to drain, inspect the brass washer and file smooth both sides if necessary or sand it, if a plastic washer inspect and replace if necessary. Be careful not to strip nut upon replacing. Don't overtighten, but a bit more than snug!
5w30 oil typically for all overhead cam engines newer than 1992
Do not mix different oils, eg: 5w30 and 10w30. Do not use synthetic if not a fresh rebuild or not currently used.
** Slick 50 is an oil additive that puts a teflon coating on your engine parts and I swear by it. Do not overfill engine - put 3 litres in and allow to run down and check dipstick. When replacing oil filter be sure rubber seal doesn't stay on engine block. Fill new filter half-full with new oil and put oil on rubber seal and clean surface of engine where oil goes in. After filling engine, start and look for leaks. If you cleaned everything you will notice leak easily. Shouldn't be a problem unless you messed up seal on filter by not following these directions. Check with your manual for proper type of oil but should be 5w30. Good luck.
This is not an easy repair in your driveway, but can be done. 1st thing, have you checked to see if the oil filter is the issue or is it the drain plug? If its the oil filter housing gasket, you will need to remove the filter. The housing is held in place by the threaded bolt assy that the filter screws onto. You will need to remove that bolt, remove the coolant hoses. Clean the engine block surfaces, for the new gasket to mate to, clean the cooling housing surfaces, install the bolt through the housing, and install the gasket onto it. Then install the bolt/housing into the block and tighten the bolt. Install the coolant hoses, oil filter. Fill the cooling system with the coolant that you removed. Fill the engine with oil, start and check for leaks.
Get some cans of brake clean and spray it all off.wipe with rags respray and so on till clean.run it or just get under it after you add oil and look for thr leak. It could be up as high as the valve cover.
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