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2008 HHR ss engine noise and loss of power

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Old Dec 13, 2024 | 02:18 PM
  #21  
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130K miles. The turbo was replaced a month ago by a shop in Flagstaff AZ, I am sure they dented it up. Yup, I saw that too.
Old Dec 13, 2024 | 02:35 PM
  #22  
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I broke this thing removing it from the intercooler tube. What is the black thing with the number 80571 stamped on it.. Also how do I remove the braided line from the valve cover?




Old Dec 13, 2024 | 05:47 PM
  #23  
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Not "the" PCV valve. It is the check valve for the fresh air inlet to the crankcase. It is part of the PCV system. It is part of the stainless hose, and no longer available. Here is my fix.

https://www.chevyhhr.net/forums/how-...et-hose-66754/

If you need to remove the other braided stainless hose, the one that goes down to the turbo, it cannot be removed with the fuel line tools Oldblue referenced above. You have to carefully cut the fitting off the valve cover. The other end at the turbo, is removable, there is a retaining plate bolted to the turbo. That line can also be replaced with the same size PCV hose that is in the link I gave.

Last edited by RJ_RS_SS_350; Dec 13, 2024 at 06:25 PM.
Old Dec 14, 2024 | 07:50 AM
  #24  
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Post #8

https://www.chevyhhr.net/forums/ss-s...-hhr-ss-47584/
Old Dec 14, 2024 | 10:48 AM
  #25  
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The explanation in that thread is wrong. This check valve(#3 in the diagram) prevents vapors from backfeeding into the fresh air

#4 is just an elbow. .
Old Dec 14, 2024 | 01:00 PM
  #26  
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I am now wondering if the oil that I am seeing on the garage floor and down the back side of the engine came from the bottom of the inter cooler tube (that connects from the turbo to the air cleaner. I found that the bottom worm gear clamp was not snugged up. So if there was oil in the bottom of the inter cooler tube, it may have leaked out when I backed into the garage. I would speculate that there is about 1/8 to 1/4 cup of oil spilled. Also, my driveway is at an incline. Once I get the air check valve replaced, I will do a compression test. Does this amount of oil sound normal and does my analogy make sense or am I being over hopeful?


Old Dec 28, 2024 | 07:44 PM
  #27  
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Oil leak backside of engine

2008 HHR SS

I have a pretty significant oil leak on the back side (nearest firewall) of the engine. A shop recently changed the turbo. Reaching back and wiping the turbo with a paper towel does not show oil. It is really tight back there so I can not find where all the oil is coming from. It is dripping onto the lower control arm and runs down and drips off the ball joint. I’ll jack it up tomorrow and crawl under it tomorrow. Is there any thing in particular that i should look at?

Last edited by guppy; Dec 28, 2024 at 09:41 PM.
Old Dec 29, 2024 | 10:17 AM
  #28  
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Which ball joint ? Passengers side it could be the valve cover, the front cover, the harmonic balancer seal. Maybe the oil pan.
Old Dec 29, 2024 | 10:39 AM
  #29  
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Look at #617(oil return) and #625(oil supply).


Old Dec 29, 2024 | 06:57 PM
  #30  
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I did not sleep well last night, I was about 90% certain that the oil was coming from the head gasket. I know that is weird, but not impossible. No coolant in oil and no oil in coolant. Today I jacked it up, removed the wheel and inner wheel well liner and inspected and hoped it was a front seal, which I have done many times on HHR’s. I actually keep a spare Fel-pro front crank shaft seal. Upon closer inspection the leak appears to be coming from the timing chain tensioner. I retorqued it to 55 ft lbs and the leak appeared to have stopped. Cleaned everything up and I’ll keep an eye on it.
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