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dieselfuel007

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Posts posted by dieselfuel007

  1. I’m working on an 07 granite dump truck with a 370 engine it’s low miles at 210k and it’s got a miss when taking off at low rpm also when pulling a hill but it’s intermittent our Mack dealer has put all new injectors ,lines, eups ,and adjusted the valves before we did this work it had some injector codes that would come on from time to time now it doesn’t there not sure what to do now they said run it till it gets worse

  2. I removed the whole shaft but didn’t disassemble the lower shaft carrier bearing etc I can move it probably a spline each way and still get the staking bolt in should I try to get them out of phase as much as possible . It just seemed odd that one u joint was shot and the others were tight wondering if the weld on the short shaft was some repair done that cause the first u joint the bind a wear prematurely i’m I think my next move is going remove the short shaft and carrier from the other truck and try it also going to verify that all the lines are installed the same as the other truck I’m out of other ideas

  3. I don’t think I could have put anything back different than it was it had staking bolts at the gear box at the top of the short shaft and up at where the shaft comes down from the column and the steering wheel is back where it was the only thing I’ve noticed is the yokes on the short shaft aren’t parallel there off just a bit probably if one’s at 12:00 the other is at 1:00 on our other truck they are in line .the mount on the steering box is a little different or I would try to swap it to.the weld that holds the short shaft into the bottom yoke at the steering box  doesn’t look quite factory is it possible that the slack in the wore out u joint kept it from binding from someone welding the shaft in the bottom yoke a little out of phase if that makes sense to anyone 

  4. Yes it has staking bolts in the shaft I removed and the other end has  four splines I have the three joint steering shaft with the carrier bearing i replaced the middle joint in that shaft everything thing else on the shaft seemed to be good the reason I swapped the steering shaft with one off the other truck was I thought I might have bent a ear on the yoke installing the u joint I even installed the steering shaft I was working on in the other truck and it steered fine 

  5. I’m working on our 03 granite this winter and I resealed the input shaft on the steering box put all new lines on it except for the pressure line and one new u joint on the steering shaft and now the steering is easy and then hard the whole time you steer it back and forth so I swapped the part of the shaft that I replaced the u joint out with one off another truck didn’t help so I put on a reman steering box still didn’t help also change the filter I’m out of ideas other than kingpins also the last guy that drove it before it come in the shop said it was fine before we worked on it 

  6. well the more we dig into it seems we would have been better off with no information than the bad information we got from the service manager cause the shop we got it into said the radiator that was suppost to be brand new was plugged full of dirt and the thermostat didn't seem right

  7. Well it appears that the service manager at the county shop We bought it from gave us some bad info the brand new inter cooler He said they just put on looked old and plugged and when I called him to ask for service records he said he put an oil cooler on it which is what he told me though needed to be done when we first talked about it his story keeps changing every time we talk fan seems weak gonna try one of those and see if it helps 

  8. i have a feeling the gauge is right cause it will push out water if you let it get hot enough and the engine fan runs i haven't been around this truck much but the fan doesn't seem as noisey as some of the other granites we have is there a way to manuelly lock up the fan cause it kind of seems like a airflow issue cause if the truck is sitting the ac gets kind of warm but as soon as you get going it gets cold can the fan slip and not fully engauge?

  9. got a 2003  granite e7 427 dump truck just bought it with a known overheating issue it gets hot when loaded it has a new radiator,intercooler ,water pump ,and a thermostat when we got it home we replaced the oil cooler . it was drove home a thousand miles and only heated up in the mountains . its doesn't push out water unless you get it hot no oil in water or water in oil i can hear the fan kicking in and it stays in when it heats up the truck only has 350000 thousand miles on it  the truck doesn't have a boost gauge it seems to run alittle high on the pyro it runs about 850 to 900 running down the road at highway speed up small grades but it doesn't smoke eccessively what direction do i need to head next 

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