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Timing chain or gears

Tiny
GFDCAR1
  • MEMBER
  • 2000 GMC JIMMY
  • 6 CYL
  • 2WD
  • AUTOMATIC
Does a 2000 GMC Jimmy 4.3 have timing gears or a chain?
Thursday, February 24th, 2011 AT 1:16 AM

4 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,758 POSTS
It has a chain. It's designed just like a 350.
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Thursday, February 24th, 2011 AT 1:25 AM
Tiny
GFDCAR1
  • MEMBER
  • 4 POSTS
The parts place gave me what appears to be the balance shaft gear and the cam gear, they did no show a chain, any ideas or does the chain run the oil pump in this year model like the 5.3 engine?
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Thursday, February 24th, 2011 AT 1:39 AM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,758 POSTS
It has a timing chain just like the 350 but it also has a balance shaft behind it.

https://www.2carpros.com/images/external/131363446.gif
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Thursday, February 24th, 2011 AT 1:43 AM
Tiny
GFDCAR1
  • MEMBER
  • 4 POSTS
Thanks
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Thursday, February 24th, 2011 AT 1:48 AM

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