"Service Brake Booster" do i need a check valve?
I am getting a DIC message saying "Service Brake Booster". Do i need to add a check valve inline to the booster?
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What year is your truck?
I had this issue and had to get my cluster reprogrammed. (04 model) But it was not related to the blower. It was a software issue. I believe the brake boosters have a built in check valve. |
2004 and it has that weird thing attached to the booster.
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Yes, you are putting pressure in that line if not.
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Originally Posted by BlackGMC
(Post 5049771)
2004 and it has that weird thing attached to the booster.
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Originally Posted by TrickPerformanceProducts
(Post 5049836)
Is that electric assit if the engine dies.?
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It should already have a check valve which lets air out of the booster but not in. It's the 90 deg black plastic piece that connects the hose right to the booster. Thats what it look like on mine at least ('01 5.3L).
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Originally Posted by Ferocity02
(Post 5049951)
It should already have a check valve which lets air out of the booster but not in. It's the 90 deg black plastic piece that connects the hose right to the booster. Thats what it look like on mine at least ('01 5.3L).
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Yeah, if the truck dies while moving that little thing runs like a vac pump I think to help with the brakes.
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