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Old Aug 8, 2021 | 11:03 PM
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Default 4l65E sounds like a misquit0...
So My 4l65E (50 miles on it) is making a noise like a seatbelt buzzer that sounds electronic,, could this be a servo chattering?
Still learning the automatic stuff..
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Old Aug 9, 2021 | 07:42 AM
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Recently works with a guy who had a buzzing noise similar to what you describe, It was a faulty Pressure control solenoid ,
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Old Aug 9, 2021 | 12:23 PM
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Originally Posted by performabuilt
Recently works with a guy who had a buzzing noise similar to what you describe, It was a faulty Pressure control solenoid ,
Thanks! that's where I was leaning, the Trans is working fine, but when running I get the noise.. Figured it was either a solenoid or some signal not holding a solenoid in the correct position.
Its not very loud but since they are inside I suspect they would not be..

Cheers!
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Old Aug 9, 2021 | 12:24 PM
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When you put a mechanical gauge on the test port how steady should the needle be? Mine has about a 10 lb "wobble" back and forth.. Just thought of it..
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Old Aug 9, 2021 | 09:04 PM
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That would depend on how steady your idle is. The more steady idle the more steady it will be .
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Old Aug 10, 2021 | 06:53 PM
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Originally Posted by performabuilt
That would depend on how steady your idle is. The more steady idle the more steady it will be .
Hmm interesting, I'm running a L33 with truck manifold, stock L33 cam, it "sounds" very smooth at idle,,
I got to wondering if the noise was causing the gauge to wobble.. or the reverse

Its not an expensive gauge either,, initially I just bought one that would show me if it was badly off recommended pressure for initial run tests.

May just have to put a pressure transducer in and wire it up..
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Old Aug 10, 2021 | 08:34 PM
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I would go with changing the solenoid first .
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Old Aug 11, 2021 | 11:22 PM
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spray some bug off down the dip tube, just in case
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Old Aug 11, 2021 | 11:23 PM
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Originally Posted by truckdoug
spray some bug off down the dip tube, just in case
Is that like using the NOS drink in your fuel tank?
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Old Aug 11, 2021 | 11:27 PM
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Originally Posted by performabuilt
I would go with changing the solenoid first .
Yep.. I just hate to pull that pan off.. I'm wondering if my connector flip over heated the coil..
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