heavy Vib at 70mph and up
#1
07-21-2007, 08:40 PM
heavy Vib at 70mph and up
Hi, im new here i found this forum in search for a problem im having with my 00' Dakota. at 70 mph and up i get a massive drive line high freq vib. its releivte to speed. I just did a clutch replacement. so i'm thinking i jacked some thing up some how but i dont know where to start looking. so i figured i would ask around and see if any one else has had this problem.
I did a few test and found that its not in the transmission. i also tried puting the X-case in N at speed and the vibe is still consitent.
when i climb under neith The U-joints all feel good. but there seams to be some excssive rotational play in the shaft. im not sure if its the diff or or the X-case. any one had a problem like this?
thanks for your help
I did a few test and found that its not in the transmission. i also tried puting the X-case in N at speed and the vibe is still consitent.
when i climb under neith The U-joints all feel good. but there seams to be some excssive rotational play in the shaft. im not sure if its the diff or or the X-case. any one had a problem like this?
thanks for your help
#2
07-22-2007, 12:13 PM
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RE: heavy Vib at 70mph and up
Welcome! Did you rule out tires (balancing, wear, mud, etc) and breaks? Where does it feel like the problem is at? I only ask because I had a bad front hub, bad breaks, old shocks and bad tire wear that would cause the same thing. After I got all that fixed, it all went away.
Now that I think about it, it did it in a variety of situations, not just at 70+MPH. Never know though. Just throwing it out there
Now that I think about it, it did it in a variety of situations, not just at 70+MPH. Never know though. Just throwing it out there
#3
07-22-2007, 06:55 PM
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#5
07-23-2007, 08:56 PM
RE: heavy Vib at 70mph and up
thanks guys for the fast reply.
i dont think its the tries as it has come on gradualy. i did the clutch then pulled my boat 1600 miles (23 deck boat)
i also dont think it is the drive shaft... i never took it apart no new joints they all felt good.... unless your talking that it has to be matched to the diff. at a the right point
i climbed under the other day and yanked and yanked on my drive shaft... nothing no play nothing. how ever i have noticed a good about of ATF "like" oil on the bottom of the X-case. but i cant feel any thing. i also have an idea to put the truck up on jacks and rotate the wheels and spin the DS. see if i hear any thing knocking around in the case... hope i didnt screw any thing up in the x-case.... any other ideas
i dont think its the tries as it has come on gradualy. i did the clutch then pulled my boat 1600 miles (23 deck boat)
i also dont think it is the drive shaft... i never took it apart no new joints they all felt good.... unless your talking that it has to be matched to the diff. at a the right point
i climbed under the other day and yanked and yanked on my drive shaft... nothing no play nothing. how ever i have noticed a good about of ATF "like" oil on the bottom of the X-case. but i cant feel any thing. i also have an idea to put the truck up on jacks and rotate the wheels and spin the DS. see if i hear any thing knocking around in the case... hope i didnt screw any thing up in the x-case.... any other ideas
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07-24-2007, 11:02 PM
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#7
07-25-2007, 02:49 AM
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RE: heavy Vib at 70mph and up
ORIGINAL: dieseltwitch
Hi, im new here i found this forum in search for a problem im having with my 00' Dakota. at 70 mph and up i get a massive drive line high freq vib. its releivte to speed. I just did a clutch replacement. so i'm thinking i jacked some thing up some how but i dont know where to start looking. so i figured i would ask around and see if any one else has had this problem.
I did a few test and found that its not in the transmission. i also tried puting the X-case in N at speed and the vibe is still consitent.
when i climb under neith The U-joints all feel good. but there seams to be some excssive rotational play in the shaft. im not sure if its the diff or or the X-case. any one had a problem like this?
thanks for your help
Hi, im new here i found this forum in search for a problem im having with my 00' Dakota. at 70 mph and up i get a massive drive line high freq vib. its releivte to speed. I just did a clutch replacement. so i'm thinking i jacked some thing up some how but i dont know where to start looking. so i figured i would ask around and see if any one else has had this problem.
I did a few test and found that its not in the transmission. i also tried puting the X-case in N at speed and the vibe is still consitent.
when i climb under neith The U-joints all feel good. but there seams to be some excssive rotational play in the shaft. im not sure if its the diff or or the X-case. any one had a problem like this?
thanks for your help
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#8
07-25-2007, 03:59 PM
RE: heavy Vib at 70mph and up
I second the tire check. I don't know how many times I've slapped myself upside the head for living with a vibration that was nothing more than a unpronounced tread failure.
I have had more tires than not fail long before the tread was worn out. I need to start buying better tires. Either 4 tires for 99 dollars is just too good to pass up or Im a cheap ***.
I have had more tires than not fail long before the tread was worn out. I need to start buying better tires. Either 4 tires for 99 dollars is just too good to pass up or Im a cheap ***.