Onyx610
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Everything posted by Onyx610
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What do these trucks sound like deleted? I’d love to hear one…
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Yea believe or not these deletes cause nothing but headaches. Way to much unknown here. FJH, MackPro, VMac3 and a few others might be able to help you out.
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That test doesn’t look bad
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I wonder if the vgt actuator/turbo is going out. I believe there is a test for that.
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In Sandals and with a adjustable wrench, hammer, and pry bar. Also in the dirtiest environment.
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Yea if you want info you need to give info. The more the better….
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That’s cool, did you deal a lot with that cummins pressure time? Didn’t some of those pumps have something called mechanical valve timing? Used fuel pressure and air to move the cam follwers?
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Pretty cool that dealerships had a pump room back then. Now it seems they just send it out. I think a lot of spring work is sent out too or customer is referred to a place.
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That’s the best part of this site. Nobody knows everything…idk if this is your style pump, but I posted this a little while ago. It has some good info in it and it might help point you in the right direction.
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Can you not see emojis?
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☝️ this guy knows…
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You will pry get a little more help if you move this to the engine/transmission section. Other then that the code is for a VGT Actuator and they are prone to failure/very expensive. That’s all I can tell you right now.
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Also to add to jojo, these trucks run worst and are more prone to catastrophic failure with deletes. Not just Mack. They are programmed and engineered to run as efficiently as possible with all the shit bolted to them. Believe it or not…. -
Speedometer calibration RD688
Onyx610 replied to Jimmy825's topic in Electrical, Electronics and Lighting
Ok, ill see If I can find anything. -
Speedometer calibration RD688
Onyx610 replied to Jimmy825's topic in Electrical, Electronics and Lighting
This looks similar to the one you have. Calibration is closer to the bottom. https://www.vdo-gauges.com/media/instructions/0 515 012 051 -- Programmable Speedometer(c).pdf -
Ughhh oh VGT actuator….💸
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Pumping until the old grease is out and new grease shows was suggested by bendix. If the seals are working correctly it should never go towards the brake shoes.
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Yup, and until the dirty shit comes out and it’s all clean grease.
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I heard that the metal bushings are better for like dump trucks and the plastic are fine for highway trucks. As the dumps are mostly stop and go and lots of brake applications….
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2000 rd688 e7 Eaton fuller 8 speed help
Onyx610 replied to Moparmike's topic in Engine and Transmission
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2000 rd688 e7 Eaton fuller 8 speed help
Onyx610 replied to Moparmike's topic in Engine and Transmission
I believe this guy was looking for something like that in the past and said he would pay good money/travel for good service. Something along those lines…. -
That will do it, maybe replace the dryer cartridge too.
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There’s a good possibility, someone that knows more then me on this will pry comment soon. The fact that your code has to do with vehicle security kind of says something.
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No, a starter would not activate a CEL. What makes you think the starter is bad? You said it cranked over until it didn’t anymore. Batteries dead? Or did the starter die in the process of cranking it over? I’d suggest checking out the harness/connector on the TCM.
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ALLISON AT Code (DTC) U1146 SCP (J1850) Invalid or Missing Data for Vehicle Security
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