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Old Nov 1, 2025 | 01:14 PM
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5.8 engine noise

I have a 95 Bronco with a Jasper 5.8 long block engine that has around 5000 miles on the new engine. The other day it developed a clacking noise that turns into a kind of whirring noise when you rev it up. I thought it might be a broke valve spring so I took off the valve cover on the left bank and checked rocker movement but they all look to move correctly. I just had a new torque converter installed and trans and transfer case rebuilt and drove it 150 miles home. It ran great. Turned it off in Walmart parking lot and when I started it that’s when I heard the noise. Does anyone have any ideas where I should go next? Does this sound familiar to anyone. Engine has a slight shudder at idle. Can’t find any exhaust leaks. Engine seams to run fine other than the noise. Any ideas and insights? Thanx in advance for any and all help.
 
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Old Nov 2, 2025 | 09:29 AM
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Originally Posted by Not OJs Bronco
I just had a new torque converter installed and trans and transfer case rebuilt and drove it 150 miles home..
This noise happened after this?
Who installed the torque converter, you or a shop?
 
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Old Nov 2, 2025 | 01:06 PM
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Originally Posted by wwhite
This noise happened after this?
Who installed the torque converter, you or a shop?
transmission shop
 
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Old Nov 3, 2025 | 10:52 AM
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So, 150 miles of driving after a new torque converter, now a noise.

You need to pinpoint, either engine or transmission for noise.

Is the fluid at the correct level?
Engine codes?
 
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