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JC84

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Everything posted by JC84

  1. JC84
    Here u go
  2. JC84
    Bought a undercover flex only leaking by the tailgate going to but a tailgate seal. Installed 1/8 below the bed rail
  3. JC84
    We had a big temp drop and my truck is vibrating pretty bad until it warms up. Kind of curious if it's just the wrong type of fluids in the tranny
  4. JC84
    What if gm bought horrible balancing machine and this was the cause the whole time
  5. JC84
    They make a sierra kit now
  6. JC84
    . Thought I read somewhere stating some people having troubles with the 15s vibrating
  7. JC84
    they have a bad batch of some part to be hit and miss on the wiggle or vibration of these trucks.on a side not. I had my side mirror focusing on the bed of the truck and I can see the bed go side to side alittle. Has anyone checked the bolts of there bed to see if there loosen? Does anyone know the torque specs? I know my body mounts are tightened right checked those already when I installed the nerf bar steps
  8. JC84
    . http://www.duramaxforum.com/forum/2011-up-non-powertrain/498954-30-light-bar-installed-2015-denali-3.html
  9. JC84
    Just read on another forum someone doing a wireless connector and using one of his home link buttons to turn on and off the led light bar
  10. JC84
    Like I said in pervious post I have the random 75-78mph wiggle and never been faster then that. Now I have the 40-42mph wiggle that's there all the time now truck only has 2k miles. I thought about buying hptuners again to see if I can tune it out. I used to tune LS motor cars from 2003 and stopped in 2012 when I sold my camaro SS. I have tuned 50plus vehicle that have been stock all the way to being a full out race car and fixed a lot of other tune people couldn't get right. I still believe it's the tranny tune mixed with a little of the fuel mapping not being as smooth.
  11. JC84
    Maybe a bad flexplate
  12. JC84
    Could be as easy as the tune they have for the tranny. Used to tune LS series cars and recently stopped 2 years ago. My buddy that had a similar problem with his 08 vette that was supercharged. He had vibrations only at 40mph. The issue was the line pressure and the fuel mapping. Any trucks that have been tuned having any issues?
  13. JC84
    When people post can you please give us more info on the truck like make, model, type ( crew cab etc), 2wd or 4wd, rim size and brand of tire, month and year it was built. maybe we can narrow down which style is more of a issue or maybe it's just hit and miss on all styles
  14. JC84
    I still don't believe it's a alignment thing because mine does it randomly at 75to77mph
  15. JC84
    suspension broken in finally and isn't so stiff maybe?
  16. JC84
    I still think it's the tune they have for the tranny
  17. JC84
    I wonder if the folks that don't feel it are in the older generation and don't feel it at all. Also Aren't some of the guys with lifted or lowered trucks that swapped out the factory or rancho shocks having the same issue?
  18. JC84
    I have a 14 sierra crew cab z71 short bed 5.3 (build date 2/14) with Goodyear rsa 20s. I have a little wiggle (vibration) In my seat randomly at 75mph on all road at all conditions from 8v to 4v. I can be traveling at 75mph and feel the wiggle and I'll back down to 70 then speed back up to 75 and it's gone and sometimes it stays and I have to do it again. The wiggle feels like a weak message chair low on batteries. Had all tires fb and rotated no change. So I don't believe it's the tires, rims, or driveshaft because it would do it all the time not randomly.
  19. JC84
    Installed raptor 6inch oval SS body mount nerf bars today so far love them
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