Annoying vibration that i cant find... - Ford Powerstroke Diesel Forum
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post #1 of 4 Old 01-01-2012, 07:01 PM Thread Starter
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Annoying vibration that i cant find...

Im new on here so here we go. I have a 2000 7.3 PSD Crew Cab Short bed, it has a 3" lift kit that has a small leaf pack in the front and blocks in the back. Im not sure if it started after i put the lift on but theres a vibration 30mph up, it seems to kind of go away when i accelerate but comes right back at cruising speeds.

Really annoyed by it, looking for help please!
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post #2 of 4 Old 01-01-2012, 08:27 PM
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Check bearing carrier angle. When you lift the rear you will need to shim your bearing carrier. This is done by inserting shims where the carrier mounts to the truck. It drops the bearing cariier down decreasing the drive shaft angle. If you look at several post down you will see others having these same issues.

2010 F-250 Lariat w/ FX4 and Utimate Package
7" ICON
22's with 37x13.5 Toyo's
Billet Inserts (eventually FX4 grill)
PTM Mirrors, Keypad and Tailgate Handle
Smoked Tails, 3rd Brake and Mirrors lense
Color Matched Inner and Over Lays
5% Tint
Stock Motor
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post #3 of 4 Old 01-01-2012, 08:36 PM Thread Starter
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Okay all have to add some shims when i get a chance. For a 3" lift how much shim do you think would be needed?

2000 F250 7.3 PSD Crew Cab Shorty, 6 position custom tune, 3" Lift Kit with 305 bfg all terrains, S&B Intake, 6 Autometer gauges "Boost, Pyro, Trans Temp, Oil Temp, Water Temp, and Oil Pressure", 5" Dual Mitercut Stacks, Dieselsite Coolant Filter Kit.



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post #4 of 4 Old 01-01-2012, 08:40 PM
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That I am uncertain. I was told that the figure to go by is one shim for every one inch of lift. Have a couple of shims on hand. Add one at a time and see what happens.

2010 F-250 Lariat w/ FX4 and Utimate Package
7" ICON
22's with 37x13.5 Toyo's
Billet Inserts (eventually FX4 grill)
PTM Mirrors, Keypad and Tailgate Handle
Smoked Tails, 3rd Brake and Mirrors lense
Color Matched Inner and Over Lays
5% Tint
Stock Motor
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