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kkheitman

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Posts posted by kkheitman


  1. 2 hours ago, Mack Technician said:

    25095125    $3.66

    I leaned on Manders Diesel. Those guys are the best informed Mack parts men I’ve met. They’re a Mack dealership and a salvage yard so the guys at the counter have all the crossover compatibilities in their heads. 

    There was no picture of it in the system. Bill found it listed though as a “qty 1” item on the diff breakdown. 

    Thanks for getting that part number dor me. That explains why the parts guy missed it. 


  2. 54 minutes ago, Mack Technician said:

    Quirky, I didn’t see it on PAI’s diagram either. The catch is the differential is under driveline and the bracket is under suspension. Somewhere in there, in parts limbo, is the spacer. If your willing to wait I’d get that number, stubbornness requires answers to be appeased.

    Otherwise, If you put it on the four studs and it’s a little sloppy and forgiving.......washer time.

    I can wait if you can get the part number, that would be great


  3. On 9/1/2019 at 8:24 PM, Mack Technician said:

    Good call, no washer (and an impact torqued bolt) adds thousands of pounds of additional internal stress to an already severe application. 

    Was at the mack dealer today and they don't show a washer in there


  4. 13 hours ago, R.E.D said:

    Did you try it with a load on ? Some components must be worn enough to be putting stress on those bolts.

    Also does the truck have the thick washer between bracket and banjo housing?

    No there is no washer between the bracket and the housing.


  5. Thanks Mack Technician a wealth of information there. I'm headed to a different mechanic this morning with the info you've provided. Spoke with him last night and he's pretty much on the same page you're on, he also couldn't believe they welded it to the cover. I'll let ya know what the outcome is. 

    • Like 1

  6. 3 hours ago, fjh said:

    How are your trunnion bushings, U bolts are tight?

    In my opinion judging by that pic, if you were to lift that diff out the banjo housing will be cracked LH side!

    What makes you think it would be cracked? 


  7. 2 hours ago, R.E.D said:

    Drive the truck around in a circle  without the torsion arm.if the wheels walk off while turning then ur trunnion or bushing might be extremely worn.therefore while turning loaded that single bracket is taking all the stress of keeping the bogie straight which causes the bolts to break.

    I tried that and get no movement at all 


  8. I have 1994 Mack RB 688 dump truck, the torque rod continuously breaks the mount bolts on the rear axle, we've had it in 3 different chassis shops and no one can figure out why. Any Ideas?

    IMG_22541(2).jpg

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