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  1. C

    Cat 980H Won't go into gear

    Good evening, Working on a Cat 980H s/n JMS02203 It will not go into gear, forward or reverse. Checked with ET and all the electronics appear to be working as far as operator inputs, park brake switch, etc. the thing that is odd to me is, when you select forward or reverse you get a status flag...
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    Cat D400E data link/ ECM problems.

    Working on a Cat D400E articulated dump truck. Having wiring / electrical issues with the data link, code 030 248.02 is active. ET will not communicate with the truck now. I did get my laptop to connect once and It's telling me that the power train ECM is "unavailable". Was still getting data...
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    CS563E starting issues

    Having a no start issue on a Cat CS563E smooth drum roller. Machine ran fine, operator shut it off and came back an hour or so later and it wouldn't start. Checked fuel system and found the lines without fuel. Primed it up and got it to run. The next day it again would not start. Primed it again...
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    Cat 740 transfer case oil in front diff

    Hey Guys, hoping someone could point me in the right direction. Working on a Caterpillar 740 ADT S/N AXM00773 with approximately 13k hours on it. Oil is leaking from the breather for the front axle housing. I'm guessing the Oil is coming from the transfer case and getting in the front axle when...
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    325B Water in hydraulic system

    Working on a 325B excavator with swing problems. Removed the hose from top of the swing motor and noticed the oil is milky looking, of course that means it has water in it. Pulled a sample from the tank and it too is very milky. My question is what would be the best way to go about cleaning out...
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    336E A/C question

    Hello, I'm working on the air conditioner on a Cat 336E excavator, S/N FJH00662. I don't currently have access to my laptop and SIS but need to know the refrigerant capacity. Trying to recharge the system. Thanks
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    973C calibration problems

    Working on a Cat 973C track loader S/N 3RZ00740. Having one heck of a time getting the track speeds calibrated/synchronized properly. My question has to do with the max track speed calibration in submode 17, the monitor/ecm will not let me lower max track speed below 10.9 kph. Book says to lower...
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