Car overheated, now it won't start
So, my 84 XJ6 overheated pretty badly the other day. Now it won't start, and when I try coolant pours out of the over flow tube, and seems to be leaking from the left side of the block.
My first impression is maybe the water pump is dead and I lost a soft plug. Any other ideas of how badly I damaged my kitty? Thanks... |
Sounds like a head gasket,or maybe a warped head.
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I had thought that too, except there's no water in the oil...
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If it won't start after overheating either the engine is really hurt or coolant soaked something in the ignition and/or fuel injection system.
Since coolant comes out when you crank the engine it sounds like compression is being pumped into the cooling system. Not good. A compression test might be a good place to start. Cheers DD |
See, these are things I didn't want to hear. . . ;-)
Thanks, guys. I'm trying to find a local mechanic who can handle it to take a look. This may go to the back of the 'garage' as a project, though . . . Bummer. |
Ben a simple compression check would tell you a lot about the condition of the cylinders. I am placing money that you have a bad head gasket/warped heads that is causing the compression to be lost. But then, depending on how bad and how long the engine was run with it overheated, you may have caused a lot of other damage (worn rings, cutting of the head due to gas blowing through, etc).
I hope it is nothing more than a set of new head gaskets and all is good. But there is a reason why they say to park the car and let it cool once you start to overheat the motor. Now, there are instances where sacrificing the motor to get out of a bad situation is required. |
Does anyone have an idea of what a standard cost to have a was gasket replaced might be?
What kind of risk would I be taking to do it myself? I have novice-intermediate mechanic skills (I've rebuilt carbs, replaced water pumps, and assisted with a head gasket on a smaller, simpler engine) |
I'm guessing $1000-$1200 for head gasket replacement.
You can probably DIY. Get a manual and read up on the dealing with the cam gears and chains. It's not really difficult but it's something you don't want to mess up on. An helper with DOHC experience looking over your should would be a big boon. The head is usually very difficult to remove...takes time and bottle jacks to push it off. Or removal of all the studs. Cheers DD |
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