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09-14-2022, 07:13 PM | #1 |
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Join Date: Feb 2019
Location: Atlanta, GA
Posts: 304
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Running fine, horrible noise, pop, running fine
After work today I took my roadster for a quick spin around the neighborhood. Everything was going great. Then out of nowhere a horrible noise started coming from the engine/transmission area. To me it sounded like the time the pilot bearing came apart in my old Ford Ranger. It sounded like a piece of something small was rattling around and scraping against things randomly.
I pulled back into my driveway and opened the hood. I wasn't having much luck tracing down the source of the noise. Clutch in and out, engine rev and idle. Nothing made a change to the noise. I took a quick video then walked into the garage to dig out my auto stethoscope. About that time I heard a loud pop and the noise stopped. I got back in my roadster and tested the clutch and all gears, revved the engine, adjusted the timing a little. Everything was back to normal. I took it for another spin around the neighborhood and everything was back to normal. I really don't like it when things break and then fix themselves before you figure out what the heck happened. Who's to know it won't come back. Any ideas what the heck might have happened? I'll try to upload the video that caught the noise. |
09-14-2022, 07:24 PM | #2 |
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Join Date: Feb 2019
Location: Atlanta, GA
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Re: Running fine, horrible noise, pop, running fine
I'm not sure if this will work for the videos.
https://drive.google.com/file/d/1KVv...ew?usp=sharing https://drive.google.com/file/d/19qL...ew?usp=sharing |
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09-14-2022, 07:58 PM | #3 |
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Join Date: May 2010
Location: So Cal
Posts: 8,757
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Re: Running fine, horrible noise, pop, running fine
maybe an old starter spring bolt finally found its way into the flywheel.
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09-14-2022, 09:17 PM | #4 |
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Join Date: Aug 2022
Location: Naples, FL
Posts: 58
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Re: Running fine, horrible noise, pop, running fine
"I really don't like it when things break and then fix themselves ..."
Hilarious ... need to have that printed on my next Ford shirt immediately. |
09-14-2022, 10:02 PM | #5 |
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Join Date: Feb 2019
Location: Atlanta, GA
Posts: 304
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Re: Running fine, horrible noise, pop, running fine
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09-14-2022, 10:16 PM | #6 |
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Re: Running fine, horrible noise, pop, running fine
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09-15-2022, 07:24 AM | #7 |
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Join Date: Mar 2015
Location: Greenville, SC
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Re: Running fine, horrible noise, pop, running fine
FTW. When I removed my trans. I filled a baby food bottle almost 1/2 inch deep with broken spring parts, busted washers, cracked nuts, bolt heads, flywheel teeth and various other metallic parts. Never heard a noise but not speaking for previous owners. Neat display on my odd stuff shelf.
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09-15-2022, 07:52 AM | #8 | |
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Join Date: Feb 2019
Location: Atlanta, GA
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Re: Running fine, horrible noise, pop, running fine
Quote:
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09-15-2022, 08:03 AM | #9 |
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Join Date: Jan 2012
Location: Western North Carolina
Posts: 3,904
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Re: Running fine, horrible noise, pop, running fine
It also sounds to me like something rattling around in the flywheel housing. Take your starter out and fish around with a bore scope. Look at the teeth on the flywheel for signs that something hit it. Turn the engine over by hand to examine all the teeth.
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A is for apple, green as the sky. Step on the gas, for tomorrow I die. Forget the brakes, they really don't work. The clutch always sticks, and starts with a jerk. My car grows red hair, and flies through the air. Driving's a blast, a blast from the past. |
09-15-2022, 08:30 AM | #10 |
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Join Date: Jul 2019
Location: Cary, NC
Posts: 9
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Re: Running fine, horrible noise, pop, running fine
I had a similar issue with a noise that went away when one of the clutch springs came loose and fell out, but I didn't know what it was at the time. A few months later another let go and I had to replace the clutch disk. I took the advice I found here on the Barn and used the better disk with "keepers".
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09-15-2022, 08:45 AM | #11 |
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Join Date: May 2010
Location: Plano, Texas
Posts: 850
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Re: Running fine, horrible noise, pop, running fine
Remove the inspection plate on top of the bell housing and see if you can see anything when you rotate the engine.
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09-15-2022, 12:19 PM | #12 | |
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Join Date: Feb 2019
Location: Atlanta, GA
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Re: Running fine, horrible noise, pop, running fine
Quote:
Sadly it will be Monday evening before I can squeeze in any garage time. I'm going to be driving myself crazy thinking about what it could be in the meantime. |
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09-15-2022, 12:44 PM | #13 |
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Location: SouthWest Michigan
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Re: Running fine, horrible noise, pop, running fine
Be sure to check the ring gear on the flywheel all the way around that it has worked it’s way forward
Had that once drove me nuts until i found it after pulling the motor Then i was grateful that’s all it was Sent from my iPhone using Tapatalk |
09-18-2022, 03:25 PM | #14 |
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Join Date: Feb 2019
Location: Atlanta, GA
Posts: 304
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Re: Running fine, horrible noise, pop, running fine
I think I found it. Pretty sure this bolt is supposed to have a head on it. Fished around with my magnet on a stick, but no luck yet finding the broken off piece. I'll try my luck with a reverse drill bit and bolt extractor.
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09-19-2022, 10:29 AM | #15 |
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Location: Red Deer, Alberta
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Re: Running fine, horrible noise, pop, running fine
Might not hurt to check and/or replace the rest of the bolts holding the clutch on.
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