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Transfer case to transmission upper nuts will not come loose?

Tiny
CHEVY1234
  • MEMBER
  • 2003 DODGE RAM
  • 5.7L
  • V8
  • 4WD
  • AUTOMATIC
  • 133,000 MILES
So, I am helping a friend pull a transmission. The upper two nuts that hold the transfer case to the transmission absolutely will not move. Other ones did. And there is not much leverage up there either. I do have flex head wrenches but the things are on there. Sprayed a lot of PB on them. I wish I could use heat, but I'm scared to with how close to other components they are. Another pain in the butt is this truck is not too high off the ground.
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Saturday, August 5th, 2023 AT 10:01 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Hi,

I understand your concerns about using heat. Are you able to use an impact gun to see if that would break them loose?

Also, there is a product I've used in the past called Freeze Off. It's manufactured by CRC. I attached a pic below showing what I'm referring to. When you spray it on a specific bolt, it causes the temperature to drop on the item and causes it to contract. It's worked for me under some crazy situations. It may be worth a try.

Let me know.

Joe

See pic below.
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Sunday, August 6th, 2023 AT 11:09 PM

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