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thomastractorsvc

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Posts posted by thomastractorsvc

  1. I think it is the high coolant temp sensor.  It only comes on when I am pulling heavy and hard and the temp works it way towards 200.  I watched it yesterday and when it was just above 195 degree mark the light came on.  It stays on even after the temp settles back down.

    My jake quit working again so I am going to pull the valve covers today and check the valves myself and the jake wires.  I am glad I spent so much money at Westfall Mack in Kansas City to get this issue fixed.  I check my miles less than 1200 and since they put there hands on it been one thing after another.

     

  2. Been working " Big Ugly " a lot and had it in to the Mack dealer as they were doing overhead specials for$475.   While it was there I had them check the "jake" as it was starting to cut out and do a service.

    With in 700 miles of having it in I had started losing power and EGT went up to about 1000.  I pressure tested system found leak at the air compressor inlet separator/filter valve.  Got that fixed and installed a boost gauge.  Hard pull 90 to 100K I am getting 30 psi boost egt is 900 to 950 no smoke, temp gauge shows about 190.  If I let up and baby it egt about 850 to 900 boost about the same temp stays around 185.  Oil pressure around 60psi both ways hard or babying.

    If I baby it the shut down light does not come on, if I pull hard it will.

    the lighting bolt does not come on, truck does not lose power, does not shut off.  If i turn truck off it will reset.

    I have checked coolant as Superdog thought they may be the issue, I checked wiring to the sensors and unplugged the pin plug on the pump and checked the wires all seem good same with the ecovance.

    What other sensors would make the light come on without shutting the truck off or throwing a code?

  3. 3 hours ago, BC Mack said:

    is this the bracket you are talking about? can get better pics if you need..

    I have a pair of crd92/93 4:35 but I'm on the left coast.. shipping's a bitch.

    BC Mack

    IMG_2095.JPG

    IMG_2106.JPG

    IMG_2110.JPG

    That's the one.  On mine only the rear crd93 has the transverse rod.

    We're those on air ride?  My 85 on neway has the rods on both rears

  4. 5 hours ago, terry said:

    What are the ratio of the old rears? i have seen guys drill the rears without holes for the transverse rod and use it.But always seen them use studs in the housings. You can mate an old end to a new end by cutting and putting in a sleeve and welding, but you have to be real close on length.   terry:thumb:

    The parts truck with old style housings are 4.64

    I have 4.42 now that one is bad for sure, the other the breather was missing and it was full of dirt so 

  5. On my new acquisition R it has the bracket with transverse rod that on the rear carrier mounts to the frame and uses the dog bone style torque rod that mounts to the cross member.  I have found a set of 4.64s but they are without the holes for the mounting bracket for the transverse rod and it uses the old style torque rod.  I have been looking for a new style cut off but in my area slim pickings,  or the ratios are to high or low.  I have checked on rebuilding or remans but cant justify the costs yet.

    Has anyone drilled the housings and used bolts for the bracket?  I don't want to run the old style as I would probably make it the rears feel loose with a 16ft box grossing 80k.  

  6. On 1/8/2016 at 8:56 PM, Superdog said:

    I'd guess side plate,he just needs to run the pump for his 2 line wet kit.

    What did you get?  I am going to need one for my 98 R with 12 speed.  

     

    On 1/9/2016 at 7:15 AM, fullfuel01 said:

    Best way Mike is thr mack rear mounted pto. It connect on a countershaft on the back of the transmission

    Where do you find that style?

  7. On Tuesday, August 16, 2016 at 7:50 PM, Cmburks said:

    Going to sell my mack,.  Not going to use it,                selling all or parts

    Engine still runs strong,  freshly rebuilt rto14613, haven't put in truck yet.

    new 3rd member on front drive,    4.17 ratio

    western star sleeper, it seems like a dance floor back there,   red interior in the sleeper,  blue in the cab.  

    he whole truck is there, don't have a fancy phone or camera to take pictures. I could probably take one with this computer, let me know, not around truck at the moment. .        

    In west texas ,    let me know what you want, we can haggle.

    clyde.

    Where is it located how much pm me

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