Wild vent workaround
#1
Wild vent workaround
I figured out a way to stabilize the wild vents. Total cost, $24.00 Total time 20 min. Non invasive, no heavy wrenching required. I took pics, and as soon as I can get them on my computer I will post.
This is not a fix for the root cause(intake) but I figured it out to get my vents working correctly until I have time to tear down the truck, which, with my schedule, will be a while. I even have the part numbers!
Upside. This can stay on, even when you fix the intake leak.
This is not a fix for the root cause(intake) but I figured it out to get my vents working correctly until I have time to tear down the truck, which, with my schedule, will be a while. I even have the part numbers!
Upside. This can stay on, even when you fix the intake leak.
#2
I got it from NAPA, because my wife works there...google GM vacuum reservoir.
This is the part. The large nipple goes to Vac source. It has a built in check valve. Bonus!
Two different sized vac line. The large goes to source. I forgot what sizes they were. However, I should have got the next size smaller in the smaller hose. I had adapters, so it wasn't a problem.
#7
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#8
Drove it last night. Vents staying stable when I give it the gas. I suspect that if I was towing, on a long incline, eventually the reservoir would deplete. But, so far, I'm happy to have the cold air blowing where I want it. And it was cheap, and fast.
Pricing reflected was an average. I actually spent 14.00 bucks total. I had some adapters already, I needed 1. And I have a box of self tapping screws. Did I mention my wife works for NAPA? Employee discount baby!!
Pricing reflected was an average. I actually spent 14.00 bucks total. I had some adapters already, I needed 1. And I have a box of self tapping screws. Did I mention my wife works for NAPA? Employee discount baby!!
#10
My problem isn't the check valves, it's the intake. All vacuum valves leak, some more than others. So you need a constant vac source, even with a check valve. When your source is intermittent, like mine, and many others, the blend doors go nuts. This gives you a reservoir of vacuum, for those times when you are hard on it, and your vac source disappears. Think of it as a car battery. Power in, power out, but when the power in stops, you still have a reserve of power out.
Last edited by V65Ozzie; 05-25-2018 at 12:37 PM.