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Is this what I think it is??

 
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  #1 (permalink)  
Old 23 Jun 2012, 02:37 am
JenneK's Avatar
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Default Is this what I think it is??

Removed radiator cap and had wife crank cold engine of my 01 w/91k. It pushed coolant out of the opening.

Car w/n start...most of the time. When it does it runs fine but overheats quickly.
I recently flushed the coolant and noticed black flecks of something in the water when I was flushing the block w/hose. Wondering if previous owner tried fix something with some of the "fix head gasket leaks" in a bottle.

Car has new radiator, thermostat and cap. No coolant leaks. No coolant in oil.


I suspect a bad head gasket. What say you?
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Old 23 Jun 2012, 06:47 am
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Default Re: Is this what I think it is??

Ken,

Don't worry about pushing water out of the hole where the radiator cap is, all cars will do that.

Can't say about the black specks but overheating is a major problem on the PT and most of the time it's because of the radiator fan. Other questions: Are you loosing any coolant, any leaks? Whoops, you already said NO to that one. When filling with coolant, are you getting all the air out of the system? Any white smoke out of the tailpipe?

Back to the fan. On a cool morning. Open the hood and use a flashlight to look for your radiator fan. Hard to see without a light. Now start the engine and turn on the A/C. Go to the front and (be careful) look for the fan, it should be running (some say high speed, some say low), either way it should be moving. Whenever the A/C is ON, the fan should be ON. If not, like many others, the fan motor is partially burn out and needs to be replaced.
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Old 23 Jun 2012, 07:03 am
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Default Re: Is this what I think it is??

I rarely disagree w/Crewzin - but I do think Head gasket - I do not get coolant pushing out of radiator when I take off cap and start it cold. Can't hurt to check fan first, but doesn't sound good....
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Old 23 Jun 2012, 07:53 am
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Default Re: Is this what I think it is??

If cams were stuck the motor wouldn't turn over. If you don't have cam rock, witch is when cam is teatering end to end when cam is in the head. Then you could mill the head. Has the magnet for sensor been looked at? Should test fire before putting cover back on.
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Old 23 Jun 2012, 08:02 am
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Default Re: Is this what I think it is??

Quote:
Originally Posted by Busted_PT View Post
If cams were stuck the motor wouldn't turn over. If you don't have cam rock, witch is when cam is teatering end to end when cam is in the head. Then you could mill the head. Has the magnet for sensor been looked at? Should test fire before putting cover back on.
I think you're replying to another thread - where mechanics said cams were stuck after timing belt broke
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Old 23 Jun 2012, 10:06 am
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Default Re: Is this what I think it is??

I hate to say it, but it does sound like a blown head gasket. If it's pushing coolant out when cold. If revving the engine also blows the coolant out, then I'd say not good. One way to be sure it to get a combustion gas tester for the radiator. I'm not sure if they are sold in auto parts stores, but I got one online and it immediately told me that there were combustion gasses in the coolant hoses. After replacing the HG, the test came back negative, so I know it worked, and I no longer had overheating issues, bubbling coolant, etc...

Although, of course, I had to replace the radiator fan too, so definitely look at that.
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Old 23 Jun 2012, 10:38 am
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Default Re: Is this what I think it is??

Quote:
Originally Posted by quicksilverdon View Post
I think you're replying to another thread - where mechanics said cams were stuck after timing belt broke
Quote:
Originally Posted by Busted_PT View Post
If cams were stuck the motor wouldn't turn over. If you don't have cam rock, witch is when cam is teatering end to end when cam is in the head. Then you could mill the head. Has the magnet for sensor been looked at? Should test fire before putting cover back on.
Yep you'r right. Must have had a brain fart!
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