Driveline / Carrier Bearing / Lift Kit Help - Ford Powerstroke Diesel Forum
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post #1 of 4 Old 05-02-2011, 04:43 PM Thread Starter
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Driveline / Carrier Bearing / Lift Kit Help

Ever since I swapped out my 4" rear blocks for 5.5" ones, I've been getting a noticeable vibration under moderate acceleration from 8-12mph. I currently have two 1/4" shims on the carrier.

The Ford dealership told me they think my pinion angle is off, and I have the wrong lift blocks. I got the angled ones (installed facing correctly).

Got home and put a magnetic protractor to each piece of the two piece driveline and saw they were approx 2* apart. So I put another 1/4" shim in, which brought em within .5* apart. Took it for a drive, and I'm still having a vibration around 10mph. Not as bad as before, but still there. Any advice?

06 F250 FX4 Lariat, 35" Nitto Terra Grapplers, 6" Lift Leveled w/Bilsteins, 4" MBRP TB Exhaust w/Cat Delete, Edge Insight w/EGT Probe & Dash Pod, SCT X3 w/SRL Tune From Matt @ Gearhead, Powerslot Rotors, Hawk Pads, Upgraded Oil Cooler Screen, Upgraded Turbo Drain Tube, Upgraded STC Fitting, Upgraded FPR Spring, CAT ELC Coolant, ARP Head Studs, Opti-Lube XPD, Coolant Filter, 45K Miles
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post #2 of 4 Old 05-02-2011, 05:02 PM
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how much play do u have in ur carrier bearing? i have a good amount and i have the same issue. i know that thats the issue just havent got around to switching it out. also do u have a carrier bearing drop kit?

2003 F-350 CCLB 7.3L XLT Sport FX4


7.5" Custom Superlift, 37" Toyo M/T, 20x10 Black Fuel Hostage, 4"-5"-6" Black Aussies, 20% Tint, 05 Harley Headlights, Recon Lighting, Dixie Horns, 08 Mirrors and Taillights, 05 Emblems, Custom Audio/Video System, Billet Grill, HID's, 2 Yellow Top Optimas, N-fab Black Nerf Bars, DIY 6637 Intake, Foil Delete, & TGC Dual steering stabilizer, Wicked Wheel, Isspros & DP-Tuner.

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post #3 of 4 Old 05-02-2011, 05:27 PM Thread Starter
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It's a brand new carrier bearing, and it's shimmed/dropped about 7/8" now.

06 F250 FX4 Lariat, 35" Nitto Terra Grapplers, 6" Lift Leveled w/Bilsteins, 4" MBRP TB Exhaust w/Cat Delete, Edge Insight w/EGT Probe & Dash Pod, SCT X3 w/SRL Tune From Matt @ Gearhead, Powerslot Rotors, Hawk Pads, Upgraded Oil Cooler Screen, Upgraded Turbo Drain Tube, Upgraded STC Fitting, Upgraded FPR Spring, CAT ELC Coolant, ARP Head Studs, Opti-Lube XPD, Coolant Filter, 45K Miles
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post #4 of 4 Old 05-02-2011, 05:45 PM
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hmm maybe a bad universal joint. idk u got me...

2003 F-350 CCLB 7.3L XLT Sport FX4


7.5" Custom Superlift, 37" Toyo M/T, 20x10 Black Fuel Hostage, 4"-5"-6" Black Aussies, 20% Tint, 05 Harley Headlights, Recon Lighting, Dixie Horns, 08 Mirrors and Taillights, 05 Emblems, Custom Audio/Video System, Billet Grill, HID's, 2 Yellow Top Optimas, N-fab Black Nerf Bars, DIY 6637 Intake, Foil Delete, & TGC Dual steering stabilizer, Wicked Wheel, Isspros & DP-Tuner.

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