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Username Post: 4L60E noise        (Topic#361233)
opus 
Member
Posts: 272
opus
Loc: Montana
Reg: 10-20-04
06-02-20 07:54 AM - Post#2795461    

I had an alternator fry a while back. The grommet with the main power wire melted causing it to ground out. A subsequent noise developed in the transmission.

Not the easiest to figure out on video but it seems to be an electronic type noise. You cant feel it on the shifter or transmission.

Any ideas? https://youtu.be/LjEGqnhTp4c



 
someotherguy 
Senior Moderator
Posts: 29180
someotherguy
Age: 50
Loc: Texas
Reg: 08-01-03
06-02-20 09:51 AM - Post#2795467    
    In response to opus

Definitely hard to tell long distance, but it seems a little bit similar to a noise my '94 2500 made after the transmission blew up and got swapped with a rebuilt unit. If I recall, the fuel hard lines were buzzing against the transmission case. That one can be hard to spot; I spent a lot of time under the truck with a bright light trying to isolate it.

Hopefully that's all it is. Odd noises are generally a bad sign with any transmission, but particularly with 700R4/4L60/4L60E's...

Richard

06 Silverado ISS / 06 Silverado SS / 06 300C SRT8


 
opus 
Member
Posts: 272
opus
Loc: Montana
Reg: 10-20-04
06-02-20 01:43 PM - Post#2795487    
    In response to someotherguy

Its been a year plus, nothing grenaded yet. Everything works, no codes flashing either.



 
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