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ok - an Oldsmobile Sillouette van - I just had a radiator put in it - then it was still overheating - picked it up Saturday - barely made it home - they had to come and get it - and now they think they will have to refund my money from the intake manifold gasket they put in on Friday because they said it looks like the head gasket is blown and they are going to have to send me to another shop to get it fixed - but if they refund my money $700 - then I should have the money to pay for the correct thing to be fixed
Post by spookymonster on May 16, 2007 13:22:52 GMT -5
Picture 2 halves of a clamshell. When you fit them together, it isn't air-tight; there are still gaps between the two halves. If you cut a piece of rubber foam in the shape of the shell lips and placed them between the shells and pressed together, you'd have a perfect seal. A gasket is that piece of rubber, and in your case, it sits between the main body of your engine, and the part that connects to the air filter. Hope this helps.
The head gasket seals the cylinder head to the cylinder body. The engine runs by exploding gasoline in the cylinders, moving the pistons and turning the wheels (overly simplified, of course). When the gasket "blows" the pressure from the explosion leaks out (no power, runs bad) and allows coolant to leak out (Overheats) and Coolant to leak into cylinder (bad lubrication, can lock up engine) Obviously you cannot run with a blown head gasket.
To fix it they must remove everything above the cylinders and replace the gasket. (Look at where the spark plugs are. That's the cylinder) Depending what type of car and where it's fixed $500 min and over $1000 I'd look around.)
Last Edit: May 16, 2007 13:44:40 GMT -5 by troo - Back to Top
I realize there are some females who know all of this - but I wanna know why it is easier for males to understand this stuff then women - but Troo - you just explained what I needed to know - which was what it is - why it is important and why it would cost what everyone says it will cost.
I just called Boz - who is slightly mechanically inclined (being a male) but only to the point that he knows what it is, what a pain it would be to replace and that he will not even attempt to do it himself.
It really depends on the type of car and engine as to if he should do it. If he is only slightly mechanically inclined I say NO. Older engines (1970's) have less to deal with but with fuel injection, vacuum hoses, front wheel drive you most likely will be dealing with removing/reassembling major components and technically delicate areas (timing belt, camshafts)
Digging deep into the engine can be tricky. It is best to be left to professionals unless you're fairly sure you know what you're doing. Of course, for money reasons I've had to dive into things I shouldn't (with mixed results) but only as a last resort.
BTW, like the new pic!
Last Edit: May 16, 2007 13:55:11 GMT -5 by troo - Back to Top
Yeah, spooky monster's got a better description of a modern intake manifold gasket, troo's closer on the head gasket which is metal rather than rubber.