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Code P0455, large EVAP leak

Tiny
SGTKELLOGG
  • MEMBER
  • 2006 HUMMER H3
  • 125,000 MILES
I found the leak, broken exhaust manifold rear bolt. How hard is it to change and what is the average repair cost? How hard is it to replace a exhaust manifold bolt that is broken off and how much does this repair normally cost to repair? Have a p0455 large EVAP leak code so that made me start looking around my engine.
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Tuesday, February 7th, 2012 AT 3:42 AM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
If the bolts are not rusted into place, it is not hard to do. As far as the cost, if you can, get a good manifold from a salvage yard. If you get it new, expect to pay around $200.00 for it. Then, labor will be around two hours.
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Tuesday, February 7th, 2012 AT 3:43 AM
Tiny
H3O
  • MEMBER
  • 1 POST
Did you solve the problem and what is it? I do have same code and I replaced the fuel cap but code still there. I will try to replace my vapor canister purge valve. Hoping that is the one! If not, I will go check also with the exhaust manifold. Appreciate if you can response, Thanks!
Or if there is anybody here has same problem, please let me know. It is my first time posting here.
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Tuesday, August 21st, 2018 AT 9:50 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,643 POSTS
Hello,

I have seen this problem before we have a video on how to fix it.

https://youtu.be/iH92vcUWJzs

Please let us know what happens.

Cheers, Ken
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Saturday, August 25th, 2018 AT 2:09 PM

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