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Old 02-12-2008, 10:45 PM
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VW Jetta Cylinder Head

Hi guys,

I have a 95 Volkswagen Jetta VR6. To make a long story short, I overheated it a while back and think I cracked the head. The motor sounded like it was knocking, but it was full of oil. I assume its the head cuz it was burning antifreeze and blowing white smoke before it quit. Is there some type of test I could do on it to make sure its the head that's cracked and nothing else? If it turns out to be just the head, I can buy a used one for pretty cheap. However, before I have my mechanic tear into it and charge me labor only to find out something more serious is wrong, I would like to find out if it is just the head. Any suggestions?

Chevy 21

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Old 02-13-2008, 05:55 AM
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The white smoke is an indication that you're burning anti-freeze so no matter what the head has to come off. From there it could be just the head gasket or a cracked or warped head. Detecting whether or not the head is damaged and then fixing it is going to cost you some dough. If it was me and I could get another head cheap (depending on what cheap is)I would go with the replacement head and be done with it. As far as any knocking going on that would mean a trip into the oil pan to check the bearings unless the knocking is just noise coming from valves.
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Old 02-13-2008, 09:04 AM
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VW Jetta Cylinder Head

if it's leaking bad your trying to compress a liquid .
it don't compress .
you can bend a rod or may just wear out the bearing on the rod .
is the radiator swelling or cap releasing excessive pressure out ?
you can cause the exhaust converter to clog with that antifreeze
hitting the hot guts of the converter .
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