Maintenance and Upkeep Discussion HHR maintenance tips ranging from oil change intervals to brake pads and everything in between.

Catalytic convertor replacement, is it welded to the Resonator pipe???

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Old May 1, 2021 | 07:20 AM
  #11  
Oldblue's Avatar
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Joined: 10-13-2011
Posts: 40,097
From: Welland,Ont Canada
Those nuts are to be removed and the O2 sensors installed, maybe you sons car has the front one in the exhaust manifold.
Glad to see you got it fixed!
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