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Howdy From North East Pa!


CowboyCustoms
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Hey ya'll! New to the Forum, and I am very happy to find BMT! I work for a small operation in northeast PA worin for the quarries mainly working for the gas drilling operations up here. We run a 10 truck fleet, consisting of 3 Pete's, 1 Superliner, a 94 R-model, and 5 Granite's. (i'll learn the model lingo soon i promise!) My truck is an '04 Granite Tri-axle with an 18 speed. The rest of the Granites I believe are 8LL... along with the 94, and the Superliner is a 13.

So far I think I may have figured out a couple issues were having with the trucks, like the throttle peddle (spelling?) I hope I will be able to contribute to the forum, I am no stranger to Forums, and have a couple Tech articles on other Forums in regards to the 5.9L Cummins. :rmod_dump:

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Hey ya'll! New to the Forum, and I am very happy to find BMT! I work for a small operation in northeast PA worin for the quarries mainly working for the gas drilling operations up here. We run a 10 truck fleet, consisting of 3 Pete's, 1 Superliner, a 94 R-model, and 5 Granite's. (i'll learn the model lingo soon i promise!) My truck is an '04 Granite Tri-axle with an 18 speed. The rest of the Granites I believe are 8LL... along with the 94, and the Superliner is a 13.

So far I think I may have figured out a couple issues were having with the trucks, like the throttle peddle (spelling?) I hope I will be able to contribute to the forum, I am no stranger to Forums, and have a couple Tech articles on other Forums in regards to the 5.9L Cummins. :rmod_dump:

welcome

whats going on with throttle pedel??????

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well the 94 has an issue once in a while, well, a bit really. The engine just dies at times, but for a split second, when it does it the tach freaks out, it drops to nothing then flys back to where it should be. Circumstances doesnt matter, smooth road, rough road, part throttle, full throttle higher RPM's pulling a hill fully loaded....

The engine just cuts out entirely then comes right back, the worst times its fully loaded pulling a big hill, boost up around 30-35 psi (not good on the turbo when it does that!) i notice that i cant get back to 30 psi unless you get off the throttle then back on again after that. Also the engine surges, will go from 25psi to 35psi for a bit then back to 25....

have a granite that will do the same cutting out deal just not as often, and way worse. once it cuts out (alot of times in a low gear pulling a hill) you have no choice but to start in low all over again because it defuels the engine so bad and doesnt pick back up where it was before. My first day on the job i was riding along in this truck, fully loaded, on a very hard climb, it cut out and the jake came on... (switch was on)

My 04 Granite (no boost gauge) I can listen to the turbo and know when im getting full fuel. A lot of times the turbo dies off at 1500 RPM (engine defueling) but sometime the turbo keeps on goin untill less than 1400. (it doesnt just die off, kind of like going from 30psi to 15 or 20 psi) I can tell when its defueling just by listening to the turbo, let alone feel it. However unlike the others, I dont lose power entirely.

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well the 94 has an issue once in a while, well, a bit really. The engine just dies at times, but for a split second, when it does it the tach freaks out, it drops to nothing then flys back to where it should be. Circumstances doesnt matter, smooth road, rough road, part throttle, full throttle higher RPM's pulling a hill fully loaded....

The engine just cuts out entirely then comes right back, the worst times its fully loaded pulling a big hill, boost up around 30-35 psi (not good on the turbo when it does that!) i notice that i cant get back to 30 psi unless you get off the throttle then back on again after that. Also the engine surges, will go from 25psi to 35psi for a bit then back to 25....

have a granite that will do the same cutting out deal just not as often, and way worse. once it cuts out (alot of times in a low gear pulling a hill) you have no choice but to start in low all over again because it defuels the engine so bad and doesnt pick back up where it was before. My first day on the job i was riding along in this truck, fully loaded, on a very hard climb, it cut out and the jake came on... (switch was on)

My 04 Granite (no boost gauge) I can listen to the turbo and know when im getting full fuel. A lot of times the turbo dies off at 1500 RPM (engine defueling) but sometime the turbo keeps on goin untill less than 1400. (it doesnt just die off, kind of like going from 30psi to 15 or 20 psi) I can tell when its defueling just by listening to the turbo, let alone feel it. However unlike the others, I dont lose power entirely.

i worked for a company that had about 30 of them, we found useing a air hose to blow the floor out was blowing grit into the servo on the pedal. also found you could disasemble servo and use brake cleaner and air to get the grit out.

if you take the servo off the pedal, and turn it with a small screwdriver you can hear the grit, it only took one grain of sand to make them do that.

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Yea thats what I have read thus far, so at some point over the next week, im going to be gettin out the tools and electrical contact cleaner (forget brake clean!) and gonna see if I can come up with something to help with the dirt and debris and JUNK getting into the servo's on these things. There must be a way to seal it up "better".

Im kind of the internet and diesel guru of the company can ya tell? lol

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