Transmission noise - torque converter?

Tiny
SHOOTER88
  • MEMBER
  • 2016 FORD F-150
  • 5.0L
  • V8
  • 4WD
  • AUTOMATIC
  • 99,000 MILES
Hi,

My torque converter went out about 10,000 miles ago and I had it replaced. Transmission tech checked everything out while he was in there and said everything looked good. He replaced the fluid and filter also. Now, I've got the 5-3 "Squawk" happening. The first time it did it was shortly after the repair. Currently, just about every time it shifts from 5 to 3 it squawks. I have seen two places online where ford has said to add the additive if all the fluid is replaced. The first was for a 2015 Mustang and the other is a 2014 F150. I just ordered a tube of the XL-16 6R ATF Additive. In your experience, is the additive going to fix the squawk for good.
Sunday, June 27th, 2021 AT 1:02 PM

4 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good afternoon,

It sounds like there is dirt or debris in the valve body causing this issue. The additive is for the valve body which tells me the converter put more debris in the transmission than thought.

I would have rebuilt the transmission if it was me. These are the type of issues you get when you replace just a single part with 100,000 on the rest of the transmission.

Add the additive and see if it works. If it does, that is great. If it does not then the valve body will need to come down and gone through.

Roy
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Sunday, June 27th, 2021 AT 2:12 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,495 POSTS
Can you please shoot a quick video with your phone so we can hear the noise? That would be great. You can upload it here with your response.
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Monday, June 28th, 2021 AT 12:28 PM
Tiny
SHOOTER88
  • MEMBER
  • 2 POSTS
Here ya go.
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Monday, June 28th, 2021 AT 1:38 PM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
That noise sounds like the torque converter itself. I would have it confirmed by someone. There may be debris in the converter from the original replacement.

Roy I attached below the procedure for replacing the converter itself.

Let us know if you have any other questions.

Roy
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Monday, June 28th, 2021 AT 6:02 PM

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