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The no compression engine

 
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Old 01 Apr 2011, 10:45 am
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Default The no compression engine

My wife's PT Cruiser was making noises like no oil was getting to the top of the engine. So she went to the oil change place and had synthetic oil put in. The next day the car was running good, no more lifter tapping noises then all of a sudden while driving down the freeway on a hot day the engine turns off. I checked the compression and all cylinders showed little or no compression. I checked the timing belt which was replaced a year ago and it was not broken and the camshafts are turning but one of them looks to be dry. Barely any oil on it at all. Do you think that it temporarily seized up and the timing belt slipped? Then engine never overheated. I am debating whether to spend the time to take the head off or just junk the car? Any suggestions?
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Old 01 Apr 2011, 10:49 am
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Default Re: The no compression engine

You need to investigate further.

Pull a few cam caps off, you'll see how badly it was oil-starved
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Old 01 Apr 2011, 09:15 pm
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Default Re: The no compression engine

That's funny ... my neighbors wife never had a PT .... but she did this to a Taurus and a Nice extended Cab 04 F150. Must be a female thing .... not checking the oil or getting it changed every 30 or so thousand miles.

I agree with UptownSport ... investigate further, but I would believe a head pull might be in the future for it, you could be right about the cam slip, but it could be the valves are stuck open due to oil starvation and metal swelling in the guides. My same neighbor's wife's husband did the same with his boat motor, wore the top of the valve pushrod off due to clogged oil passages through the rod.

BTW, what year and model and how many miles are on it.
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