Brake Booster Stopped working after Paxton install

[Jasmo123]

You can put a check valve pointing to the brake booster but it’s really not necessary in my opinion. The brake booster has a check valve mounted on it that prevents positive air flow only vacuum.

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[cookymunster_gt]

I really appreciate the help guys!

You can put a check valve pointing to the brake booster but it’s really not necessary in my opinion. The brake booster has a check valve mounted on it that prevents positive air flow only vacuum.

You can put a check valve pointing to the brake booster but it’s really not necessary in my opinion. The brake booster has a check valve mounted on it that prevents positive air flow only vacuum.

 

[s550_kratos]

Uhm I'm getting the p0556 code after a vortech install, is this similar I should look into all this vacuum stuff? I need help for those more inclined lol really appreciate any tips

 

[Jasmo123]

So I assume your brakes are hard and difficult to press? My issue was that I didn't have the vacuum plumbed correctly. The best advice I can give is to get rid of that 4 port aspirator thing. It has a bunch of check valves that are sometimes hard to figure out which way to connect. You can use one of the two vacuum ports off the manifold and split it using some nice brass fittings that I got at Lowes. The plastic ones will break sooner or later. Just block off any vacuum ports on the CAI. That gets you the best amount of vacuum to the brake booster and the Blow Off Valve. The BOV needs a good sized hose and good vacuum source to work correctly. Don't worry about the brake booster it has its own check valve. So you won't get too much vacuum to it anyway. I hope this helps,

 

[s550_kratos]

I believe I may have identified the issue when I switched to a "vortech" plug and play catch can setup and didnt know what to do with the brakebooster and whatnot lol, im going to add photos tomorrow

Please do help lolol

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