Airbox replacement mounting grommets - Page 3 - Chevy HHR Network


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Old 10-31-2016, 01:44 AM   #21  
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I need:

#5, front left
#12
#17 x 2
#6 x 2

Anyone who is parting a HHR out should have them.


The rear ones say #5 as well, so they're probably all the same, which is fine. I
will remove one and test it at the #5 that goes to the front left.
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Old 10-31-2016, 09:46 AM   #22  
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The one question mark I see is why you use two #5 grommets on the rear airbox, and One #5 on the front left, when the mounting studs are different.
The 2 on the airbox show #17 and the front left shows #11

I assume #13 is the airbox bumper pad.

SF
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Old 10-31-2016, 10:12 AM   #23  
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# 11 and #17 are different in the threads to their mounting holes not the grommet diameter
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Old 10-31-2016, 11:41 AM   #24  
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While we are on the subject my 2010 Owners manual shows the recommended Air filter change @ 50,000 miles under normal conditions.
I have 25,000 miles and since I am a Pro active guy I decided to go ahead and change the filter anyway since I do not know what the conditions were during the first 14,000 miles before I owned this HHR. I had changed the cabin filter then and It really needed changing.
The air filter in my opinion needed changing now as it was pretty full.
Everything went fine in the process and I lubed the grommets and the bumper but the Oil Fill Tube started making a vibration noise against the air box and I had to put a short piece of self stick neoprene foam rubber on the airbox to stop the noise.
I tried repositioning the tube but it did not last and went back to making noise.
It won't do that now.

SF

Last edited by Silverfox; 10-31-2016 at 03:32 PM.
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Old 10-31-2016, 01:35 PM   #25  
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There is a gasket that fits on the lower end of the filler tube that tends to get degraded with oil contact. Why they used the type of rubber they did is a mystery.
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Old 03-17-2017, 02:51 AM   #26  
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Installing new insulators on my SS got me to thinking about this thread. It would be nice to know for sure what insulators are needed for the 2.2/2.4, if there are any differences between years, etc.

The insulator that OP said he needed does not look like the ones for the SS, so we can rule that out. Although... just because it looks different doesn't mean it wouldn't work.

Anybody who's going to be removing their airbox/engine cover, have a look. Maybe someone will measure the diameter of both the hole in the airbox, as well as the diameter of the stud. I can measure the dimensions on my SS, maybe they are the same.
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Old 11-19-2017, 10:11 AM   #27  
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Quote:
Originally Posted by Silverfox View Post
The one question mark I see is why you use two #5 grommets on the rear airbox, and One #5 on the front left, when the mounting studs are different.
The 2 on the airbox show #17 and the front left shows #11

I assume #13 is the airbox bumper pad.

SF
Quote:
Originally Posted by Oldblue View Post
# 11 and #17 are different in the threads to their mounting holes not the grommet diameter
Actually, #11 and #17 are the same part number. I'm still interested in solving this. If any body will be removing their airbox, please measure the diameter of the rear holes, thickness of the plastic of the airbox, diameter of the bolt, and height of the recess of the bolt(overall thickness of insulator).
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Old 11-19-2017, 10:51 AM   #28  
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Found this, looks very promising. 1997-2004 Corvette GM P/N 25346092



OP's pic, for comparison




Another view of the Corvette part




Looks like the General put this on many vehicles.
https://www.wholesalegmpartsonline.c.../25346092.html (Hint: scroll down a bit, click on "what this fits" and then click on "show more")

If anybody has one of these vehicles, please check it out. Or if anybody feels like going to an auto parts recycling yard, let us know what you find about this insulator. Thanks for helping the community with this research project!!
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Old 11-19-2017, 12:19 PM   #29  
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Quote:
Originally Posted by RJ_RS_SS_350 View Post
Found this, looks very promising. 1997-2004 Corvette GM P/N 25346092
Warning, warning Will Robinson! Doing so will make your car go light speed!
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Old 11-19-2017, 12:47 PM   #30  
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FWIW.....

My 2.4L 2010 and my2011 both have the 2 larger insulators in the rear air box.

The smaller one is on the front left side looking from the front of the HHR.

I am wondering if when they went to the VVT in 2009 they might have made a slight change in the air box mounting design ???

The single front one is the easiest to damage during removal and replacement.
I had a very difficult time removing the front on my 2011 but it did not show any damage when I got it off.

Now I put just a dab of white lithium grease on both sides and so far it works ok.

Silverfox
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