BIG problem Went on a test ride this morning. Went 30 miles on straight highway
everything was perfect. Had lunch checked under the hood including oil and water, all was good. Came back 28 miles, about 2 miles from shop and for about 1 1/2 miles at 45 MPH started sounding like fuel ping, we filled the tank before starting and thought the new gas was pinging. This was not loud. Then all of a sudden a big bang and the engine stopped.Coasted into a parking area. The engine was hot. We stopped about 5 miles before this and everything was OK. WE were watching the oil pressure all the time and it was 45 lbs steady. Called AAA and they took it to my main shop. I don't need a lot of guessing as to what the problem is but sounds like a rod or piston. Will tear the engine out later next week and report the problem. Not to Happy. G.M. |
Re: BIG problem Which car?
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Re: BIG problem 1) "Engine was hot"
2) "Sounded like a fuel ping" 3) "Large bang" I have had overheating problems that would result in fuel pre-ignition and if the overheating went on long enough, there could certainly be a big bang. You didn't mention anything about what you saw on the water temp gauge. Pulling a head may certainly answer a lot of questions. Sorry about this new development...it sucks. |
Re: BIG problem sorry, that sucks! let us know what you find!
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Re: BIG problem Could have been a fiber timing gear letting go slowly.
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Re: BIG problem Quote:
show the bottom end where I'm sure the noise came from. Heat gauge was a new reproduced replacement that didn't work good when installed and stopped working completely reading zero. Had the laser thermometer we used and stopped frequently to check temps which were about 160. I don't even want to crank it by hand until I pull the engine. I could drop the pan but that's a pain. I have several other engines that I can drop in if I need one. I just had the radiator out and that's the worst of the engine removal so it won't take long. We had this same ping about a month ago before I did the radiator and adjusted distributor and it stopped. G.M. |
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I only ran it about 2 seconds. I may pull the front gear cover after the radiator is out. G.M. |
Re: BIG problem Sounds like a water pump issue to me;)
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Re: BIG problem ouch.....good luck that it's not serious.....Mike
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Re: BIG problem Now I'm getting inquisitive, will pull engine tomorrow, enough guess work. G.M.
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Re: BIG problem I would have Skip check the distributor first. I had a condenser go bad, caused a big loud backfire and set both K&N air cleaners on fire. Hope it is something simple but this stuff is up to 85 years old.
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Re: BIG problem GM, I'm keeping my fingers crossed for you. Only you know what the "bang" sound sounded like and you've been around long enough to know if it's a catastrophic failure. I had an engine failure in my Maule which, according to the aircraft mechanic, said the wrist pin broke which broke the cam in several places. There was no doubt in my mind that what I was sitting behind was a wind powered metal pulverizer. Pilot seat upholstery needed a little repair on that one too!
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Re: BIG problem Quote:
I like to at least have an idea what might be wrong before I tear into things. I've saved myself a lot of work this way in the past. If a rod let go it will usually damage the block and it will make a lot of noise flopping around in there. A bad bearing should have been knocking as it was shutting down. |
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Re: BIG problem I like the idea of pulling the front cover to see if the cam has slipped a few teeth.
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?????????????????? Sal |
Re: BIG problem Your probably at it today, goodluck, be safe & hope it's not as serious as you think. I agree with your rational on engine removal. If you've got the stuff in front of the engine removed already the engine removal is pretty easy. As your posts indicate everything you need to check is much easier to get to after that.
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Re: BIG problem if i lived closer i would come help you!
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