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HDNitehawk

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Everything posted by HDNitehawk

  1. HDNitehawk
    Yes and no. The crappy stock shocks / struts on the High Country are Bilstiens. There are no after markets released yet.
  2. HDNitehawk
    Just some advice, take it for what is worth which may not be much. If they are still willing to work on it and think it is the drive line, let them keep trying and complain here. Maybe they will get it fixed before they give up. At least he didn't get out of the truck and say they were done. That day may come.
  3. HDNitehawk
    My screen shows 100 pages. I think you missed a few. This thread is as much about getting GM to take ownership of the warranty problem as it is about the vibration itself. If they took care of the problems quickly and efficiently there wouldn't be 20 pages and no complaints. By the time you convince GM you have a problem a person is already PO. It is a very negative relationship.
  4. HDNitehawk
    Same story been there and this is what you have to do. You have to ride with the tech on a road you already tested. Tell him to hold the wheel and feel here, go down this path this direction. You have to hold his hand and rub his nose in the crap. Then you might get results. If you let them do the test drive they find nothing. Then they might admit to it.
  5. HDNitehawk
    I think that is part of it. The new electric power steering is less forgiving. It is like letting air out of the tires, that in itself does nothing for the vibration but the softer tires help absorb some of the vibration before it makes it to your hands. I have test drove more 2014 vehicles than I have ever driven any year model. After you drive yours for a while you start questioning is this normal road vibration because it is so slight. It is just enough to be annoying. Every time I got in another vehicle it just made me harder in my resolve to get it fixed because it really is there.
  6. HDNitehawk
    On mine the following seemed to be the issues; Seat vibration was a tire issue. High Speed steering wheel only was a rear end issue. Low speed vibration at set speeds was a drive shaft issue. A bit of vibration at all speeds was a tire issue. The GM rep told me the Engineer recommended Continental tires. He said that the Goodyear tires get knocked out of balance very easily and cause problems. You may luck out and tires fix your issue.
  7. HDNitehawk
    Buddy at work has a new Ford. His transmission is vibrating the truck bad. The Ford service department told him to drive it till it goes out, it has plenty of warranty. His advice to me is don't buy a Ford. I think the thing to do is shop for a dealer with a good service department that honors the warranty first, truck second.
  8. HDNitehawk
    Exhaust, I could see how it could cause vibration. But lets say the truck isn't moving or you kick it in neutral and coast. If you do that and pump up the RPM's wouldn't the vibration change according to the Engines output? It looks like if you put your truck in manual shift 1st gear and ran down the road at a higher RPM you would notice it even more. It shouldn't be speed related at all. While some may have vibration from Exhaust I can't see how it would relate to those of us that have had vibration at certain speeds.
  9. HDNitehawk
    The new rear end fixed my vibration at high speeds. The 41-45 mph vibration on mine started at that speed exactly every time, regardless of whether you coast in to that speed, slow in to it or accelerate in to it. It was a drive shaft issue. The two clamps are for balancing the drive shaft. The Engineer came out to do that on mine. They should have included the readings they took when they tested your drive shaft. Before and after, mine had the readings on the ticket when I picked it up Here is the deal for the Engineer, they didn't call in the Engineer until I told them I wanted them to take it back. They said they would check in to it. A few hours later they call and tell me the Engineer was going to look at it. Then a bit later the local GM rep calls explaining he is going to have the Engineer look at it and then proceeds to tell me they can't buy it back. My response was this to him, "You just told me in the same breath you wanted an Engineer to look at it and that you wouldn't buy it back. The Engineer is coming to protect GM from a buy back claim, when he looks at it he is going to say it is in spec to cover GM". The rep was a bit speechless when I said that. But in reality that is exactly what happened, although the Engineer did find things to fix when he arrived as soon as he left they were washing their hands of it. It sounds to me you are going to be stonewalled now. They have their Engineers report that says it is in spec now and they will hang their hat on it. Your only option will be to go to Level 3 of the warranty process and file for mediation.
  10. HDNitehawk
    I am betting he gets the same results as mine. Two clamps and a phone call from GM telling him they are closing the case because his truck is now in spec. Of course there is the off chance his problem is something else. Something that may take baling wire and duct tape to fix. Side Note: I called the professional balance shops in town. It is less than $100 to balance the shaft. I may take mine over and just have them check the shaft with the so called fix GM put on.
  11. HDNitehawk
    Mine was felt in the steering wheel. If it isn't smooth go to the next vehicle and drive it. Another thing to watch for, look at the back door on the crew cabs. At the lower corner where it closes toward the back you will notice some trucks the lines do not flush up. From the back some look like the door is a bit ajar. Going over the dealers lot about 30% of the trucks had this problem to some extent. The warranty fix for this is major.
  12. HDNitehawk
    And let us know what kind of clamps they use to balance. Make sure they are GM approved.
  13. HDNitehawk
    One of the more common things that those that have vibration is that they have short beds. This could be one of the reasons the 2500 crowd is not having problems, they can not get the short bed
  14. HDNitehawk
    Follow Up; PIPE CLAMPS FOR DRIVE SHAFT BALANCE I was just told by the GM rep after he discussed the pipe clamp concern with the Engineer that the recommended way GM balances drive shafts is to use pipe clamps. They no longer use welded weights and the reason is the light weight thin aluminum shell of the shaft would be difficult to weld on. This is GM's permanent fix.
  15. HDNitehawk
    Not sure how far they have went with yours but on mine after the rear end was changed and when some vibration was left the dealer called in the GM Engineer. The dealer has new equipment to measure pinpoint vibration, but the dealer tells me the Engineer has equipment even more sensitive. I would push to have an Engineer come and check if you haven't yet. You never know, you may have drawn another bad rear end.
  16. HDNitehawk
    My tire pressure monitor is off a few points above 40psi At psi in the 30's it is accurate. I use my own gauge, they overfill every time.
  17. HDNitehawk
    Same here, every time I took it to the dealer it came back at 42psi. Can they read the recommendation on the door? I lower the pressure to 34 and the ride is much better. I am thinking about putting Nitrogen in, my Terra Grapplers heat up and vary by 4 or 5 psi when driving. I want the Bilstein's I am not sure they have a 2014 version yet.
  18. HDNitehawk
    Final Conclusion Followup; Short of the vibration returning, I am going to say it has been resolved at this point. I just finished a 300 mile trip, drove the truck all weekend and while the ride isn't a perfect ride I think the vibration is acceptable now. To recap again this is what it took to fix the truck, each of these items corrected some of the vibration. It took the correction of all to eliminate the vibration. Road forced and balanced the tires, make sure there are no bad tires. Eliminated seat and console vibrations. Changed the Drive shaft eliminated some of the mid range vibration. Changed the rear end, this eliminated the high speed vibration. After the rear end, balanced the replacement drive shaft,this eliminated the 40mph vibration. Aligned the front end, eliminated the drag in the front end. Some comments; The vibration issue is a compound issue. If you only have one type great for you it will be a an easy fix. If it has multiple sources you are not so lucky. It took 4 1/2 months to get to this point. There are still issues I am working through. One is the repair and balance on the drive shaft, you can see my pervious posts. At least I know the drive shaft fixes the last vibration issue. The High Country rides rough, more so than a Z71. I have been told this is the nature of the truck. At my expense I am going to upgrade the shocks. If I find the stock shocks are defective I will be going back to GM and asking for them to pay for the upgrade. It took me over 2 months before the dealer to take notice. I had to file a complaint with GM to get them to move. Even then they wouldn't acknowledge the problem until I demonstrated it to them. Once I was able to convince them that it was a problem they did stay with the problem until resolution. If you have this issue be prepared for a long drawn out resolution. Be prepared to document and show your issue. I have been a Chevy man for over 50 years. After the 2014's I have now I should evaluate if I should let my Chevy Loyalty die with GM's 2009 bankruptcy filing. The new GM isn't the old GM I grew up loving. I am beyond disappointed.
  19. HDNitehawk
    So far they seemed to have solved the 42/43 mph vibration issue. I am debating whether to call the dealer and demand a new drive shaft, and tell them they have to send it to a shop and have the balance checked and corrected properly before installing it. This clamped driveshaft establishes that the mid range vibration was the drive shaft. Another properly balanced drive shaft should perform equally as well. I am trying decide now if the repairs are acceptable.
  20. HDNitehawk
    See Photo
  21. HDNitehawk
    Just now had time to look under the truck. The GM Engineer's way of balancing the drive shaft is the DIY method of using two clamps. Thoughts anyone?
  22. HDNitehawk
    FIXED?? MAYBE?? Update on mine for those following. Today the GM Engineer looked the truck over. The dealer has equipment to measure vibration but I was told the Engineer had equipment more sensitive. He found the drive shaft was causing the 43 mph vibration issue. They balanced the drive shaft and so far I have driven about 30 miles and do not feel it. I believe it may be gone. Also it has always felt like the truck drug and pushed back. I made them check alignment and it was indeed out. While it didn't cause the vibration I believe that it amplified it. I have the larger Nitto's on the truck and I know that if you have larger tires it magnifies the vibration as well. The problems were compound and here were the fixes; Tire balancing fixed this. Vibration in the seats and center console. Vibration in the back seats. New rear end fixed this. Highway Speed Vibration 70+. Properly balanced drive shaft fixed this. 42 mph vibration. Alignment corrected this. Front end feeling like it drags. My other issue the Rough Ride of the High Country, I was told that is just the way it is. It rides rougher than the Z71, but ask a salesman if the High Country rides smoother than a Z71 and you will get a $54K BS sales pitch. I have a 300 mile trip this weekend, if the vibration is really gone after the trip I am changing the shocks to smooth the ride. After this weekend if the fixes do not hold up / or do hold up I will post.
  23. HDNitehawk
    To many memories growing up of dodges just falling apart after a few years. Before I would go that route I would put a 6" lift on the truck and run Nitto Mud Grapplers. Then I would just embrace the vibration in my big bad truck.
  24. HDNitehawk
    Going in to the fifth month messing with the vibration issue I found out a few things. Yes the vibration increases with the temp, your tires have greater air pressure. It is a tire thing. Higher the pressure it telegraphs the vibration more. Same if it is real cold, the tires are hard and once they heat up you do not notice it as much. Tire size and ply matters as we'll, wider tires transmit more of the vibration. Harder heavier ply tires do to. A few things I found that helps: Run your tires at the suggested pressure on the drivers door, not at the 40 psi the dealer puts in. You can adjust your steering wheel in and out up an down if equipped. There is a sweet spot that the vibration is not as noticeable.
  25. HDNitehawk
    I had the dealer put Nitto Terra Grapplers on as part of the deal. Yes they try and point at the tires first to get out of doing anything. You have to push the issue to get them past it, make them prove your tires are bad. So we switched my tires to a borrowed truck. That truck drove super smooth. After much investigation they put a new rear end in. I still have a vibration that starts about 43 mph. We put a borrowed set of tires and rims, the vibration is there regardless of tires. The vibration at 40-50 mph isn't a tire issue.

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