My 94 ford Taurus 3.8 engine with 47,000 miles has been setting for about a year. about 5 months ago I had the oil changed and it looked fine, now I checked the oil and find it chocolatey in color and my radiator has a slow leak near head(?)gasket. my friend told me just put sealant in the radiator and that should fix it. What do I do?
Cars hate to sit. They are machines and need to have their many fluids, belts, pulleys, parts and pieces move on a regular basis. If they sit too long they rust and seize up and start to fall apart.
Cars need to be "stored" if it is going to sit still for a period of time. It needs to be "stored" in a garage or barn, and there is a list of things you need to do to the car before you park it and walk away.
For the average car driven everyday, the oil needs to be changed every 3,000 miles or every 3 months - which ever comes first. So if your car is just sitting outside I*m not surprised that the oil looks so bad.
If it was sitting outside, the brakes could be rusted together, and suspension and steering parts could also not be working correctly. You really need to have it looked over by a professional auto technician to make sure it*s safe to drive.
Impossible to say if "stop-leak" will fix your coolant leak without seeing the car. You need a auto technician to look over your vehicle and give you some advice.
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〉 Answered on May 29th, 2009 by Amy Mattinat, Owner and Author at Auto Craftsmen Ltd
I would not use sealant in this case. That chocolate milk look to the oil is from coolant and oil mixing. This can happen when you have a bad head gasket. I would definitly not drive the vehicle until you have this resolved as it will cause more damage to keep running it. Have a certified technician check it out. Be prepared though - this in not an inexpensive job. The whole top of the engine has to come apart.
〉 Answered on May 29th, 2009 by Bogi Lateiner, Owner and Technician at 180 Degrees Automotive
Its possible you have oil and coolant mixing if it has a chocolaty or milky as some call it appearance. This could be evidence of head gasket failure and definitely needs to be checked. Also, be careful with sealant in your radiator. Its job is to seal a leak but since it binds together and this can occasionally stop up areas in the cooling system and not allow the coolant to flow properly which can lead to an overheating problems. Hope this helps!
〉 Answered on May 29th, 2009 by Karen Davis, Service Manager at Smith Stokes