Problems/Service/Repairs If you have a problem with your HHR, want a tip on repairing or performing a particular service to you HHR here is the place to post!

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Old Sep 24, 2022 | 01:26 PM
  #21  
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https://mufflerexpress.ca/products/c...pair-2006-2010

Easy kit or


https://mufflerexpress.ca/products/c...rter-2005-2007

Five fasteners
Old Sep 24, 2022 | 07:27 PM
  #22  
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So, I guess you are saying the flex pipe is cracked?

New flex pipe part is around $60. Some are made so clamps work, or when you have it out and marked the alignment with a sharpie if you cut it yourself and take it to a welder. Welders around here will do it for a couple of dollars, free if they like you and feel like taking a break.

Or, you can get a new downpipe with a cat for less than $200 on eBay. 5 rusted bolts and a O2 sensor.

BTW, the common reason for it to crack is a bad motor mount. look through the slot on the passenger side wheel well, if you can't see an easily reachable bolt head yours is bad.
Old Sep 24, 2022 | 11:35 PM
  #23  
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Originally Posted by donbrew
So, I guess you are saying the flex pipe is cracked?

New flex pipe part is around $60. Some are made so clamps work, or when you have it out and marked the alignment with a sharpie if you cut it yourself and take it to a welder. Welders around here will do it for a couple of dollars, free if they like you and feel like taking a break.

Or, you can get a new downpipe with a cat for less than $200 on eBay. 5 rusted bolts and a O2 sensor.

BTW, the common reason for it to crack is a bad motor mount. look through the slot on the passenger side wheel well, if you can't see an easily reachable bolt head yours is bad.
Yes, I am sure Now it is about 90% improved Acceleration is almost the same, and the car will go over 60 mph but still can hear it get loud under the hood when I get on it. And still getting the lean and knock code after driving for a while, So the leak is still there but not sucking in as much air, I guess.

Wondering how the slip on pipe would work. After cutting off the flex pipe, could I move the exhaust pipe enough to slide it on, or would I have to remove the entire down pipe and cat? Concerned about the bolts being rusted and frozen on.

By the way, it gets pretty hot I checked with my old Radio Shack heat tester, and clocked the flange at 1800 degrees

Also, thanks for all the replies and guidance




Old Sep 25, 2022 | 09:58 AM
  #24  
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Catalytic converters run at least 1800F. That is why you shouldn't park in high grass, "Fahrenheit 451" and all that.
it's only 5 bolts to R&R, pretty easy to do with jackstands or ramps, you can get to the manifold bolts from the top or bottom with a long extension.
Frozen bolts are easy to replace. Use lots of your favorite penetrating oil.
You might be able to install a slip on piece in situ, with a lot of cursing and busted knuckles.
Old Sep 26, 2022 | 01:26 PM
  #25  
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Thanks. Looks like I might need to removed entire PE just to slip or weld the piece in. But how good is the cat that comes with the $150 part. My shop said that their cost fir the part is $400 without labor.

And how long should it take? They quoted me $800 which seems high
Old Sep 26, 2022 | 02:37 PM
  #26  
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That’s very high, like 4 hours at $100.00 per hour.
you can do it with a few tools and PB Blaster
Old Sep 26, 2022 | 02:58 PM
  #27  
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But searching the internet many of the cat and pipes cost over $1,000 But some on Amazon are $150 That is a huge gap I always thought cats were close to $1,000 alone So how could some be so cheap?

And according to one site labor should be $78

My biggest worry is cracking those bolts, and possibly breaking them
Old Sep 26, 2022 | 05:46 PM
  #28  
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Aren’t NY and Calif. the only 2 states where you have to buy the expensive cat replacement ?
CARB certified or whatever ?
Old Sep 26, 2022 | 07:20 PM
  #29  
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I put that cat I posted a link to on Oldblue it went another 200,000 miles. The cat was a magnaflow, a very well made down pipe. At that price you can change it 5 times for the expensive one.
Old Sep 26, 2022 | 08:03 PM
  #30  
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That's right, NY is a CARB state. The repair part isn't legal either, probably can't even ship tp NY. Stuck with expensive stuff, thanks to tree huggers.

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