Question about 1994 Mazda MX-5

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I have 94 miata with oil leak in back of the engine looks like it's coming from the right side somewhere

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  • vrn1118 Apr 14, 2009

    what could be leaking?

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Cheak your cam sensor o ring, it's easy to mistake for a leaking rocker cover gasket and only costs penies and takes 20 mins to change.

Posted on Jul 24, 2009

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Look for leaking valve cover.

Posted on Apr 14, 2009

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If I can remember,, check valve cover rubber where it seams with camshaft rubber on rear of cylinder head, the 1/2 moon rubber sits in a concave slot in head itself,usually removed, clean and reuse rubbers with a dab of silicone.

Posted on Apr 14, 2009

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1 Answer

A 94 toyota camrey that had engine rebuild in 2013 and sat a while. there is a oil leak only when the car is running and is coming from the passenger side. Any insight would be greatly appreceated


Clean the engine off really thoroughly. Then monitor it closely looking for the leak as you drive over the next day or so. Oil usually leaks from the valve cover gasket or front main seal on that side of the engine.

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I have a mitsubishi magna 1998, 3.0 and its started leaking heaps of oil.


If your engine is leaking oil.. DO NOT use "stop leak"..it only mask the real issue.. if you are leaking as much as you say... you need to have this looked at by a qualified professional...it WILL save you (and your engine) $$$$$$ in the long run...

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I have a 2003 Mazda Miata sport edition. I checked my oil and nothing registered I just changed it 3 months ago. I don't see any physical evidence of leakage and no black smoke from tail pipe. What could...


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.

Sep 26, 2010 | 2003 Mazda MX-5 Miata

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Have an oil leak from somewhere under the engine. Have already replaced the oil pan gasket, and the valve cover gaskets. Still have oil coming from under engine someplace. What could be possible problem?


check the oil pressure sending unit,clean engine then look to see where it is leaking,could be oil sending unit,dist drive seal or engine rear main.Need to determine wich side of engine.

Mar 31, 2010 | 1995 Dodge Intrepid

1 Answer

Leaking oil from bottom of engine. Looks like it is coming from a rectangular aluminum plate. Perhaps this is the bottom of the engine or oil pan.


There are several places it could be coming from.
The primary one is the oil pan. This would be the pan directly under the engine. It has the oil pan drain plug in it. If you are unfamiliar with the underside of automobiles you need to be sure you are not looking at the transmission oil pan. The first pan will be the oil pan. If you are mechanically inclined and have basic tools you can try and tighten up the oil pan bolts around the circumference of the pan.
Normally if the leak is from the pan it will appear wet all around the bottom. However the leak could also be from the rear main seal at the back of the engine. This can leak down to the pan and appear to come from the oil pan. Most of the time a leak from this will be in one spot of the pan, leaving the front section dry.
The other place is from the valve covers. You can check this by look under the hood at the side of the engine. If it's wet along the sides, that might be where it's from.

The only way you are going to know for sure is to get under it and look for yourself or take it somewhere to have looked at. You should have time to do this as long as you maintain the oil level in the engine.
I hope this helps.

Dec 03, 2009 | 2002 Ford Escape

1 Answer

Oil leak 94 dodge caravan 3.0L


Could it be the rear main seal? Some times oil can be "blown" around in bell housing from fly wheel. If you can pry the inspection plate with a little regular screw driver and oil starts to come out its a good chance its the rear main

Aug 06, 2009 | 1994 Dodge Caravan

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1993 chev. cavalier RS convt. has oil leak somewhere


this being a side mounted 3.1 liter (v6) the front of the engine would be on the right side of the car from the driver's perspective. if the oil is coming from that side cocentrate your pinpointin there, make sure it is not one of the valve cover gaskets and oil is running down from the top (common) and making pinpoiinting the leak difficult because it tends to spreak on its way down. Seals tand to leak more when the engine is running, so you may have to run it while parked for a little while and check for the leak. It may be the crankshaft seal if it is localized to below the crankshaft; Or if it is coming out of the timing cover then it may be the camshaft seal of the lower intake seal. Intake seal leakes are next to valve cover gasket leak the most common on those engine. Update us. Good luck.

Feb 02, 2009 | 1993 Chevrolet Cavalier

1 Answer

Oil Leak


sounds like the oil filter housing gasket is leaking. clean the area up real good with some brake clean and then run vehicle for 15 to 30 min and see if u can see whare its coming from. it may also be coming from valve cover gasket.

Nov 19, 2008 | 1994 Ford Crown Victoria

1 Answer

Coolant leak


Could you post what size engine you have in your car?

Aug 11, 2008 | 1998 Chevrolet Cavalier

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