What did I just break?
07-30-2012, 04:46 PM
#1
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Join Date: Feb 2006
Location: King of Prussia, PA
Posts: 928
What did I just break?
I was tightening one of the bolts under the hood for the passenger side strut and I slipped off the wrench and punched this thing and broke it. When it broke it let out a hissing noise like it was pressurized or something. Looks cheap but I don't know what the heck to ask for at the store, or what it even does.
Looks like some sorta valve. Its located right by the PCM. 95 Lt1 Trans am if that makes a difference
Looks like some sorta valve. Its located right by the PCM. 95 Lt1 Trans am if that makes a difference
07-30-2012, 05:22 PM
#2
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Join Date: Nov 1998
Location: Hell was full so they sent me to NJ
Posts: 70,646
Re: What did I just break?
HVAC vacuum check valve. That routes vacuum to the HVAC control panel in the dash, and connects to the vacuum reservoir in the passenger front fender. Should be a fairly cheap part.
Shoebox always has the answer:
http://shbox.com/1/vac_check_valve.jpg
Shoebox always has the answer:
http://shbox.com/1/vac_check_valve.jpg
07-31-2012, 04:09 PM
#3
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Join Date: Dec 1969
Location: Little Rock, AR
Posts: 27,709
Re: What did I just break?
One good thing that you found out is that your vacuum lines and reserve tank are holding up. 
It would not have hissed if they weren't.
A new check valve may not look exactly like the old one, but it will work the same.
It would not have hissed if they weren't.A new check valve may not look exactly like the old one, but it will work the same.
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