Oil leaked after Winter storage - 66 Mustang conv.
Car leaked little oil during summer. Stored in garage on tarp in Connecticut in October 08, wheels on thick carpet with mothballs located around car etc.and removed battery.
When I reconnected battery this weekend, car started well but after running for 3-4 minutes lot of oil on the tarp and mild smoke up through gear shift. Why, as my daughter would say "what happen" and what to do now?
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check what colour the oil is firstly--- red --transmission oil==black --engine oil===dark brown --gear/diff oil. Next check the position of the oil between the front wheels - red -transmission cooler lines leak /power steering leak
black between the front wheels-- front crank seal. If you have a front drive car then you will have to be careful but the colour will tell you what is leaking and where.
Clean the filter and pan with a spray cleaner, run engine for a few miutes.
recheck oil leak.
Probably is rear main seal leaking, very common trouble.
If not leaking much, keep drip pan under car to keep floor clean and drive on.
Most cars do leak after they age a little. The black line in the middle of the road is oil leaking from cars. Very common.
with 159k on the clock you should be using 5/40 in winter and 20/50 in summer,non synthetic,as it is more expensive than normal oil.(winter grade is for temperatures less than 0c,helps cold starts)
most modern cars use/burn about a pint every 1000 and that is exceptable,when it uses more than a pint every 250 miles then think about a rebuild....please do not use stop leak unless you are using it to sell the car on or as a temperary measure.
use an engine flush(de gunkes the internals) when you next change the oil and add molyslip.
5w 30 or 10w 30 during the winter. After an oil change... check your oil after 200-300 miles of use. Is the level the same? If so your weight is fine. If it drops, it's to light of an oil and your engine is now "drinking it" like fuel, move to a heavier weight. As far as Changing between winter and summer. Changing Oil weights is not bad for your motor so if the winter you go with 5w 30 and it works, great, shoot for the same during the summer. If it seems to "drink it" during the summer using this weight, go up to the next (10w 30)
That being said. Changing from natural oil, to synthetic, back to naturual , or vice versa... swapping back and forth between these KINDS of oil has been known to cause damage. so whatever weight you decide on, stick with one "type", natural or synthetic.
Hopefully you used a good fuel stabilizer before storage. Check your oil and coolant levels. If the car didn't smoke before storage, then you should be ok with starting it. If it did, you may want to spray a little dab of wd-40 or some other type of lubricant into each plug, or just remove airfilter and spray just a tad while starting, not really necessary, but can give you a little piece of mind. You should change your oil and filter at your first convenience, and when you do start it, run it for a good 20 minutes to burn off any impurities in the engine. Before driving, check your tires and air pressure. I would recommend changing tires if you see any signs of dryrot or cracking in the sidewalls before driving very fast(above 70). The rubber in tires will degrade over time, it is harder on them in storage than driving them.
Well did you use 10w - 30 if so then switch to the 5w-30 the reason the car needs a lighter oil in the cold weather. i usually use 10w during the summer helps keep the engine a little cooler on longer runs but during the winter u need the lighter oil so it don't have to work so hard to keep going.
Fuel is meant to be used not stored over extended periods of time .. yes put some additives in it there are several and most can be picked up at your local auto parts store for relatively cheap. it would also be a good idea to start it up and have it run for about 5 - 15 min each month just to keep everything free flowing and running. also it would not be a bad idea to put a cover (one made for your car or a tarp) just to keep the dust off and any animals that may share your garage this will help prevent any cratching or fading of the paint