Question about 2000 Chevrolet Venture

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I drove my van for a week coulld i have damage my engine i have nti frezze in my oil with smoke out of my exhaust little smoke not alot i dont know what to do single mom aking paymts on it bought it for 9,889 still owe 4677 do you think worth repairing head gasket if thats the issue help desparete

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It could be the head gasket, it could be a cracked block, it could be a cracked head. There is no telling until someone opens it and starts looking and checking things out. A head gasket is pretty simple to replace and straight forward. But once you have water in your oil you have to start looking at what actually caused the problem to begin with. Was it just the head gasket or did one of the Cylinder walls crack like it did in mine. A good used replacement motor will run you $800 to $1000 certainly cheaper than the thought of a new vehicle. Putting it in will cost $200 to $300 depending on what your shop charges. I know I'm not giving you any good news and I'm sorry for that but I would rather be honest with you than get your hopes up and have you commit to something that won't work.

Posted on Jul 13, 2010

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Yeah, what he is unfortunately saying is honest and here's the reason's why:

When antifreeze is mixed with oil it becomes corrosive to your bearings down below, as in MAIN bearings. Those are the most important moving parts in the engine block itself.

I've actually done this job before and it is long and complex. If you luck out enough just to have the heads cracked (They need to be checked by a process called Magnafluxing which was $50 per head when I did it, only to find out those parts were toast so I got junkyard ones, had them shave/flattened.) The valve job and all this alone is several hundred dollars, minus labor for doing the new head gasket which NEEDS to be done anytime the head is removed.

So I concur with the reccomendation of looking for a new engine. Maybe you can find one that had a rear end crash, totalled, with low mileage on the engine. That;s the ideal to look for, anyway. The next option is remanufactured motors and you should be able to google them on line. The nice benefit is good companies will offer some warranties, sometimes as much as 3 years/36k miles.

The main lesson you should learn here: Whenever there is antifreeze in your oil STOP using it right away so you don't blow the engine bearings with the corrosive mixture.

My other advice is to buy a dealership mechanic a drink after work. Some of them will moonlight, despite it being against their contract. You get the same mechanic, same high quality work for half the cost. And keep your mouth shut about it -- remember you're protecting THEIR day job. These are not shadetree mechanics, but pros.

Posted on Jul 14, 2010


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