Mackpro
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Everything posted by Mackpro
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Yep , see it all the time on the early ETECHs . Works great at first cold start up when oil is cool and thick and as soon as the oil get up to temp/hot and thins out then the engine brake doesn't work at all or barely makes noise . There are lots up upgrade kits for this issue but cam bearings are often over looked for this problem.
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We have 10 or 12 common rail engines running around here for over a year and still have not had any problems that a software update couldnt cure. So far so good!
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It's not that thoses Mack motors we're bad it's just there's no replacement for cubic displacement.
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Yep , I tell people to buy a new Peterbilt cause the never break down !
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Fixed that for ya
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If your used to big bore Cummings and Cats, you won't like the small displacement Mack.
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2004 Mack Granite CV 713 turns over but wont start
Mackpro replied to joel cravo's question in Mack Truck Q & A
Can you read the engine hours on your display? If not your engine ecm is not powering up. If you can view it then start with fuel related checks. There is a fuse for the engine ecm on the LH firewall in the fuse box -
The electric viscous fan never fully disengages. This is normal. The only other option on a Mack now is the Horton 2 speed air fan clutch. And even it still spins pretty good when disengaged. On the electric viscous fan, the tech can view fan speed and turn fan on and off with Tech Tool. Your truck is to new for the problematic Borg Warner electric viscous fan. The Behr fan that you have is very trouble free.
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Working on a MP engine is like driving across Texas! You go at it for days and still feel you have gotten nowhere.
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Would you pay 30k for this truck?
Mackpro replied to cowhater's topic in Modern Mack Truck General Discussion
I need to edit my reply as I see these trucks go closer to $50,000 here with a steel bed . So that's a good price actually -
Would you pay 30k for this truck?
Mackpro replied to cowhater's topic in Modern Mack Truck General Discussion
It's a little high but....... have it bumped to 460XT then smile and wave to your other buddies who are stuck in 5mph de-rate while you go make $$$$$ -
Does the sensor screw directly into the radiator or is it in a surge tank up on the fire wall? Also does the sensor have a plug in harness or eyelet and nut style harness
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http://www.premiumtechtool.com/purchase/ The PTT software is $600 for either Mack or Volvo. For both its $800. Then $200 a year for updates if you want them. Plus you can actually get dealer software programming if you want but its quite a bit more. The adapter/interface is where they get you. However the VOCOM II adapter is cheaper than the orignal VOCOM that we use here
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The 5-672 manual is the closest I could find
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2015 Mack Granite Power steering Problem
Mackpro replied to F & S TRUCKING's question in Mack Truck Q & A
Most of the time you jack front axle off the ground and start engine and turn steering wheel lock to lock. This should get air out of system. If you are having hard steering or wandering issue then there is a know issue of GU/CHU built after November 2014 . -
Our oldest engine manual here at our dealership is for the E6 4 valve head. We sometimes have extras for the older manuals but not in this case.
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https://macktrucks.vg-emedia.com/InformationListing.aspx?GroupId=536 Is this the engine ? If so Mack still list the manual. I hope the link comes through
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What year model would that engine be? I might have what you need
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You got the dreaded 4-5 code which can be a pain to fix. 37 psi is up there . Usually 33-35 max. A turbo calibration on the laptop might show what's wrong.
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Ive been meaning to give you a hollar about your XT file. I've finally returned back to work after a long extended vacation.
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The part # is says on my tube is 22618326 and it says Volvo all over it.
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I'll look when I get to work but it is the Volvo pink stuff. We actually cant order it for some reason as it seems it's a Volvo only part number and we're Mack only. Our other dealership is a dual dealer and they get it for us. Don't forget the loctie activator that you spray on first.
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Depending on emissions year model you can program injectors under " calibrations". However all models you can do it under Programing then parameters
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If it has the double U-joints on top of the gear box. Loosen the bearing retaining plate between the U-joints a little and drive it around the yard and see if that helps. The Bearing might be bound up on the shaft.
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If you have the hard start problem but engine run fine , the sealing surface on the injectors sealing surface to the cup could be pitted to the point that it wont reseal with just a new cup. Mack has guide lines on this. Pretty much , if the sealing surface is pitted you replace the injector.
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