which one is my catalytic converter

2006 HUMMER H3
5 CYL • 4WD • AUTOMATIC
Avatar
CHUYARM
  • MEMBER
  • 5 POSTS
i need my catalytic converter replaced but they show two converters 1 is a manifold and 2nd one is a rear converter which one is the right one
Aug 20, 2011 at 1:45 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
Advertisement
Avatar
SATURNTECH9
  • CAR REPAIR CONTRIBUTOR
  • 30,869 POSTS
What are you trying to ask?The one on the manifold is your pre or pup cat.Which one is bad?
Aug 20, 2011 at 1:47 AM
Advertisement
Avatar
CHUYARM
  • MEMBER
  • 5 POSTS
gm dealer scanned car and got p0420 code catalyst low efficiency bank 1 recommended converter replacement so i dont really know which one to replace
Aug 20, 2011 at 2:06 AM
Avatar
SATURNTECH9
  • CAR REPAIR CONTRIBUTOR
  • 30,869 POSTS
That would be the rear cat not the manifold one.
Aug 20, 2011 at 2:15 AM
Avatar
CHUYARM
  • MEMBER
  • 5 POSTS
thank you for your help
Aug 20, 2011 at 2:28 AM
Avatar
SATURNTECH9
  • CAR REPAIR CONTRIBUTOR
  • 30,869 POSTS
Your welcome thats what were here for.
Aug 20, 2011 at 3:35 AM