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At how many miles should I replace the timing chain?

Tiny
AVIATORLT1
  • MEMBER
  • 2004 GMC ENVOY
  • 5.3L
  • V8
  • 4WD
  • AUTOMATIC
  • 197,000 MILES
Not a issue yet but I'm wondering how long until I need to do it? Runs great and all and has been cared for regularly.
I'm old school and 100,000 mile timing chain?
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Sunday, May 23rd, 2021 AT 3:04 AM

1 Reply

Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
Due to this being a chain, it is not required to be changed until there is an issue or a reason to change it.

Timing belts are what require to be changed at certain intervals.

I am including the process below in case you just want to do it anyway or need to do it in the future.

Please let us know if you have other questions. Thanks
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Sunday, May 23rd, 2021 AT 6:03 PM

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