Vibration at 60mph +
#41
TECH Fanatic
Thread Starter
iTrader: (7)
Join Date: Dec 2003
Location: Las Vegas, from Crystal Lake IL
Posts: 1,305
Likes: 0
Received 0 Likes
on
0 Posts
It is worth mentioning that a wheel and tire balance does not check for wheel tracking - if your wheel is bent but balanced the machine will pass it, but you will have vibration. When balancing the wheel you have to verify the tire tread tracks true - if the tire track is not true the wheel itself is bent but the tire will be balanced on the machine just fine.
Held a straight edge to the inside barrel of the wheels, while spinning, all looked good.
#42
TECH Fanatic
Thread Starter
iTrader: (7)
Join Date: Dec 2003
Location: Las Vegas, from Crystal Lake IL
Posts: 1,305
Likes: 0
Received 0 Likes
on
0 Posts
removed and inspected:
-rear axles, roller sleaves, wheel bearings, diff.
Everything looked perfect, good, and not bent
Ring and pinion backlash was with-in spec
no metal flakes or debris.
Today i spoke with Jim at Strange Eng, today. He was extremely helpful.
His thought is the preload in the diff. (eaton truetrac) is out of whack or worn from not being set properly.
So now I pull the diff, "USPS if it fits it ships" and ship it to strange.
His reasoning for this, is because if I tap the brakes the vibration goes away This means the brakes equalize the issue inside the diff.
Plus this will give them a chance to inspect why the diff has howled/whined since day one. I have a few other friends with the same rear set up, and its quiet.
-rear axles, roller sleaves, wheel bearings, diff.
Everything looked perfect, good, and not bent
Ring and pinion backlash was with-in spec
no metal flakes or debris.
Today i spoke with Jim at Strange Eng, today. He was extremely helpful.
His thought is the preload in the diff. (eaton truetrac) is out of whack or worn from not being set properly.
So now I pull the diff, "USPS if it fits it ships" and ship it to strange.
His reasoning for this, is because if I tap the brakes the vibration goes away This means the brakes equalize the issue inside the diff.
Plus this will give them a chance to inspect why the diff has howled/whined since day one. I have a few other friends with the same rear set up, and its quiet.
Last edited by ibanez7; 08-31-2012 at 01:27 PM. Reason: wrong name type in. Jim, not Bill
#43
TECH Apprentice
iTrader: (5)
Join Date: Jan 2006
Location: Cincinnati
Posts: 332
Likes: 0
Received 0 Likes
on
0 Posts
removed and inspected:
-rear axles, roller sleaves, wheel bearings, diff.
Everything looked perfect, good, and not bent
Ring and pinion backlash was with-in spec
no metal flakes or debris.
Today i spoke with Bill at Strange Eng, today. He was extremely helpful.
His thought is the preload in the diff. (eaton truetrac) is out of whack or worn from not being set properly.
So now I pull the diff, "USPS if it fits it ships" and ship it to strange.
His reasoning for this, is because if I tap the brakes the vibration goes away This means the brakes equalize the issue inside the diff.
Plus this will give them a chance to inspect why the diff has howled/whined since day one. I have a few other friends with the same rear set up, and its quiet.
-rear axles, roller sleaves, wheel bearings, diff.
Everything looked perfect, good, and not bent
Ring and pinion backlash was with-in spec
no metal flakes or debris.
Today i spoke with Bill at Strange Eng, today. He was extremely helpful.
His thought is the preload in the diff. (eaton truetrac) is out of whack or worn from not being set properly.
So now I pull the diff, "USPS if it fits it ships" and ship it to strange.
His reasoning for this, is because if I tap the brakes the vibration goes away This means the brakes equalize the issue inside the diff.
Plus this will give them a chance to inspect why the diff has howled/whined since day one. I have a few other friends with the same rear set up, and its quiet.
#45
TECH Fanatic
Thread Starter
iTrader: (7)
Join Date: Dec 2003
Location: Las Vegas, from Crystal Lake IL
Posts: 1,305
Likes: 0
Received 0 Likes
on
0 Posts
even though Strange is willing to assist with this.
I will be contacting EATON first before I send the TrueTrac to Strange.
I would like Eatons opinion first. Sadly their tech support guys were out of the office on holiday.
To bad I can not chalk this up as new DRs being out of round and throw on a new set.
Tires would be my conclusion if the vibration didnt go away when tapping the brakes.
I will be contacting EATON first before I send the TrueTrac to Strange.
I would like Eatons opinion first. Sadly their tech support guys were out of the office on holiday.
To bad I can not chalk this up as new DRs being out of round and throw on a new set.
Tires would be my conclusion if the vibration didnt go away when tapping the brakes.
#46
TECH Regular
iTrader: (3)
I've been having a similar issue, I haven't tracked it to my axle but I think my car does the same as yours- when I hit the brakes at higher speeds the vibes will die down.
However I'm getting a light grinding noise at very low speeds, I need to go through all the possible culprits before blaming the newish strange 12 bolt though.
I just bought the car a month ago, and I'm already about going through the entire car trying to track this down.
However I'm getting a light grinding noise at very low speeds, I need to go through all the possible culprits before blaming the newish strange 12 bolt though.
I just bought the car a month ago, and I'm already about going through the entire car trying to track this down.
#47
TECH Fanatic
Thread Starter
iTrader: (7)
Join Date: Dec 2003
Location: Las Vegas, from Crystal Lake IL
Posts: 1,305
Likes: 0
Received 0 Likes
on
0 Posts
I've been having a similar issue, I haven't tracked it to my axle but I think my car does the same as yours- when I hit the brakes at higher speeds the vibes will die down.
However I'm getting a light grinding noise at very low speeds, I need to go through all the possible culprits before blaming the newish strange 12 bolt though.
I just bought the car a month ago, and I'm already about going through the entire car trying to track this down.
However I'm getting a light grinding noise at very low speeds, I need to go through all the possible culprits before blaming the newish strange 12 bolt though.
I just bought the car a month ago, and I'm already about going through the entire car trying to track this down.
i'm hoping its something stupid like internal tire issue that you cant see from the outside, or even a bent torque arm or crapped out T/A bushings...i checked it once already, time for a double check... ARGH...
I still have not sent my diff back to strange or eaton, as I'm still not sold on the idea the diff has issues. Those things are bullet proof at my RWHP
#49
12 Second Club
iTrader: (22)
Join Date: Dec 2011
Location: Pittsburgh, PA
Posts: 826
Likes: 0
Received 0 Likes
on
0 Posts
ive had this same issue i discovered my problem was tht the universals were bad....mine never clunked or anything but i figured for thirty dollars why not try and change them...tht was more than half the vibration tht went away