so i just bought an 04 Pete with the Acert BXS motor ... I'm only seeing 20psi manifold pressure and it like laggggggs bad .... any thoughts?
btw: turbos are spinning![]()
BXS Prob
Discussion in 'Trucks [ Eighteen Wheelers ]' started by Azzitude, Oct 5, 2010.
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You didnt mention any codes so, sounds like its not getting fuel. on an Acert the fuel system must be perfect (sucking air.restriction and volume ) I would start there.
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Cat just replaced filters ( fuel and air) gonna replace the boots tomorrow I think and see if that helps, or take it to peterbilt ( cause I have gobs of money to waste , ha ha) and see if they can nail it down
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Get a site glass on it first. unless boots are damaged I would leave them till later. CAC clamps first. the old style clamp ( 1/2 in dia spring ) would hardly hold an Acerts high boost when new. new clamp has 1 in dia spring or theres one with thicker gauge
spring thats also 1/2 dia. fuel system first .... REALLY.. -
i dont think my first post went through so here i go again check the air to air cooler for leaks if it original ill bet that is your problem.
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Check for an exhaust leak at the manifold. On mine (mxs) the exp. joints were leaking so bad that it would not boost up very well.
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Had a c13 that was the same way. Ended up being one of the metal bellows between the chargers. You could hear the boost leaking on a hard pull but if the truck has external air cleaners you probably can't hear it because of the whistle.
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What Jfaulk99 said, seen it a couple times.....
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Amazing how gutless they are without boost pressure.
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goin to CAT in the morning
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