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Do I have to replace the whole radiator

Tiny
GERSON FACUNDO
  • MEMBER
  • 2011 CHEVROLET SILVERADO
  • 5.3L
  • V8
  • 4WD
  • AUTOMATIC
  • 120,000 MILES
Where can I get o ring replacements for the transmission cooling lines the ones that go to the radiator. I purchased a box at AutoZone with many standard sizes but they are too thick. It seems the old o ring is kind of flat on the OD. Any body know anything about it or do I have to replace the whole radiator which will probably come with the o rings?
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Thursday, November 26th, 2020 AT 12:01 AM

3 Replies

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

Here is a guide to help you step by step with instructions in the diagrams below to show you how on your car.

https://www.2carpros.com/articles/how-to-replace-a-car-radiator

Go to a GM dealer parts department and they will give you the correct O rings. You cannot use the universal ones as they will fail when installing. Is this the seal you are referring to? I attached a picture for you. Check out the diagrams (Below). Please let us know if you need anything else to get the problem fixed.
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Thursday, November 26th, 2020 AT 2:33 AM
Tiny
GERSON FACUNDO
  • MEMBER
  • 2 POSTS
Yes, I believe is the same of your diagram and thanks. I will be going to the dealership then. Thank you for the info.
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Thursday, November 26th, 2020 AT 9:08 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
You are welcome.

Let us know if you have any other questions.

Always glad to help.

Roy
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Thursday, October 14th, 2021 AT 4:36 AM

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