7" lift late 99 7.3 steering wheel vibration - Ford Powerstroke Diesel Forum
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post #1 of 5 Old 04-13-2012, 09:02 AM Thread Starter
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7" lift late 99 7.3 steering wheel vibration

I have a late model 99 7.3 with a 9" OUO rear traction block and traction bar set up with all Icon in front 3" hanger with 4" leaf springs. I just had this all installed and have a little vibration when starting out in 1st thru 3rd gear. I have no idea what its from and its not bad, but it wasnt there before when I had the 4.5" Icon hanger kit. I am still runnning 35/12.50/20 wheel and tires on truck also. Any info would be appreciated.

99.5 F-350 CC 7.3 Superduty LB
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35/12.50 20 Nitto Trail's
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post #2 of 5 Old 04-13-2012, 01:18 PM
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Do you have a 4-6 inch dropped pitman arm AND the matching track bar relocation bracket? If so, make sure the track bar drop bracket and upper track bar are tight. I had these come loose on my 6" lift once.

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post #3 of 5 Old 04-13-2012, 01:29 PM
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Did they rotate the tires when you had this done? Check balance of all tires especially the rears. Also measure height in wheel wells on all four corners while on level ground to be sure something isn't off causing the drivetrain to be tweaked a little. Sounds like the driveshaft angle is off.

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post #4 of 5 Old 04-14-2012, 08:37 AM Thread Starter
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Quote:
Originally Posted by Karls03 View Post
Do you have a 4-6 inch dropped pitman arm AND the matching track bar relocation bracket? If so, make sure the track bar drop bracket and upper track bar are tight. I had these come loose on my 6" lift once.
Yeah , I have all that and its good en tight...looking into the angle of the OUO rear block possibly or its just the drive shaft angel. It really isnt bad at all but I just want to make sure nothings going to fall apart when driving...

99.5 F-350 CC 7.3 Superduty LB
Tymar Intake
Hypermax H2e
Hypermax Tapercore
Adrenaline HPOP
T. Wildman Tunes
5" Exhaust to 6" Tip
Industrial Injection Stage 2 Injectors
Icon 4.5 Hanger Kit
35/12.50 20 Nitto Trail's
20" Fuel Hostage
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post #5 of 5 Old 04-14-2012, 08:40 AM Thread Starter
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I did not get the tires balanced or rotated after this just a few days ago because they just did that about a month ago before the lift. I put my summer wheel and tires on a nd they did that.
I am thinking its the drive shaft angel also, but Im gonna take er in next wheel and have the tire shop rotate and balance I thik just to be sure...thanks for the advice also!

99.5 F-350 CC 7.3 Superduty LB
Tymar Intake
Hypermax H2e
Hypermax Tapercore
Adrenaline HPOP
T. Wildman Tunes
5" Exhaust to 6" Tip
Industrial Injection Stage 2 Injectors
Icon 4.5 Hanger Kit
35/12.50 20 Nitto Trail's
20" Fuel Hostage
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