Timing chain broke without prior symptoms?
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Junior Member
Joined: Mar 2024
Posts: 8
I haven't had one done yet
My guy was supposed to come out yesterday, but it started raining. I will get back to you once I get the diagnosis. I know that nothing showed up on the code reader other than my AC having low pressure
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Junior Member
Joined: Mar 2024
Posts: 8
But did the chain slip while you were driving it?
I bought one 2.2 with low compression on all cylinders. 40-50 psi, the chain had stretched and slipped on the sprockets. Since I had no cylinders at 0, I lined up the sprockets and got compression back to above 150. I replaced the necessary chain, sprockets and guides and flushed the sludge out of the engine. This engine looked like it had missed many oil changes and was full of sludge. After flushing it clean it came back to life. I changed the oil at 500 miles a couple times and it finally cleaned up and did not burn oil. I ran this car for a year before selling it. It is still around town. This has been four years now.
Super Moderator
Joined: Jul 2005
Posts: 12,316
From: Slightly off center
If The engine jumped time by a tooth, it depends on the engine weather it would run exceptionally poorly or bend valves / self-destruct.
Since your vehicle does not run any longer, that is likely not a possibility here, unfortunately. Emphasis on likely.
Since your vehicle does not run any longer, that is likely not a possibility here, unfortunately. Emphasis on likely.
Super Moderator
Joined: Jul 2005
Posts: 12,316
From: Slightly off center
As I stated earlier, a timing chain can break for a multitude of reasons.
I understand your frustration, but in life, **** happens. If the rest of the car is in nice condition, sell it as a parts car.
- You can't see any of them coming (without partial disassembly)
- If you're lucky, you may hear a stretched chain making noise at the front of the engine. But you simply don't always get that heads up.
I understand your frustration, but in life, **** happens. If the rest of the car is in nice condition, sell it as a parts car.
Senior Member
Joined: Jul 2011
Posts: 5,544
From: Anniston, AL
One of my brothers had a 73 Dodge Polara that I gave him. It was running great one day. He stopped at a market to go in and buy beer. He came out and car wouldn't start. He called me, I had him crank it and it spun rather freely. I told him it was the timing chain. Sure enough, we pulled the front of the engine off and the timing chain was broken. A new timing set and a couple of hours time, it was purring like a kitten again. Like stated before, there's NO WAY to predict when a chain will break. They just do.
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