50 to 55mph shaking HELP! - Ford Powerstroke Diesel Forum
 
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post #1 of 7 Old 08-18-2011, 04:19 PM Thread Starter
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50 to 55mph shaking HELP!

I purchased new tires back in april and thought i've been having major problems having them balanced.

Today i got them road forced balanced and the tires are ballanced and have no defects at all. The bad part is i still have my shaking from 50 to 55mph

Any ideas what to look for? I feel it in the steering wheel and in the seat. It's not violent at all. It just feels like the tires are out of balance.

The tires are BFG AT 285/70/17. They said the tires are in good shape with no problems and all 4 wheels are fine also.

Thanks!

2007 F250 6.0 PSD, Lariat, Automatic
-119,000 miles and counting
-4" duals with Aero 4040 muffler and 5" tips
-Egr Delete
-CAT ELC Coolant
-SCT programmer
-Blue Spring
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-Cooper ST Maxv tires
-Air-Lift 5000 airbags


2006 Polaris Sportsman 700
-3,000lb wench
-27" itp mud tires
-Bags and spare fuel tanks
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post #2 of 7 Old 08-18-2011, 05:35 PM
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Quote:
Originally Posted by Gui272 View Post
I purchased new tires back in april and thought i've been having major problems having them balanced.

Today i got them road forced balanced and the tires are ballanced and have no defects at all. The bad part is i still have my shaking from 50 to 55mph

Any ideas what to look for? I feel it in the steering wheel and in the seat. It's not violent at all. It just feels like the tires are out of balance.

The tires are BFG AT 285/70/17. They said the tires are in good shape with no problems and all 4 wheels are fine also.

Thanks!
I had a that same problem but at 40-45 mph and I checked my tire PSI and it was low (32 ish) so I brought it back to 55 PSI and is has not happened in about 1 month.


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post #3 of 7 Old 08-18-2011, 05:38 PM
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also check tie rods, ball joints, drag link, etc

06 F-250 ccsb King Ranch, 2011 KR interior AC seats, door panels, 3" RC lift, SCT X3, WILDMAN tune, bumpers, Edge CTS, AMSOIL bypass kit, pillar gauges, ARPs, Warren 155s, egr delete, 4" exhaust...the list goes on and on

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post #4 of 7 Old 08-18-2011, 06:08 PM
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Not sure where yours was done but I had tires put on my previous car and had the same issues. Took it to a mechanic later on and turns out the genius at Pep Boys put one tire on backward! May not be your issue but just a thought

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post #5 of 7 Old 08-19-2011, 01:37 AM Thread Starter
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Tires are good and on right. I just had them re balanced yesterday. Im sure its something with the truck. I guess check out all the front end stuff and see if something is loose.

Any other ideas?

2007 F250 6.0 PSD, Lariat, Automatic
-119,000 miles and counting
-4" duals with Aero 4040 muffler and 5" tips
-Egr Delete
-CAT ELC Coolant
-SCT programmer
-Blue Spring
-STC Fitting and all the other little parts and pieces
-Coolant Filter
-DC Power 185 amp Alternator
-torza top cover
-Edge CTS
-Cooper ST Maxv tires
-Air-Lift 5000 airbags


2006 Polaris Sportsman 700
-3,000lb wench
-27" itp mud tires
-Bags and spare fuel tanks
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post #6 of 7 Old 08-19-2011, 02:27 AM
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I bought my 06 with 82K miles in April 2010. When I bought the truck, it seemed to drive fine, but it needed tires. I had the original tires (18" Continentals) replaced by my local dealer and immediately noticed a slight shake at highway speeds after picking it up. Took the truck back to the dealer, who rebalanced the tires, but the problem persisted. I took it back to the dealer again, who felt that the carrier bearing wasn’t shimmed properly and was to blame. Again, this did nothing and I gave up on them. I took the truck to my buddy’s shop for a full brake job and while he was doing the rears, he found that one of the parking brake shoes had rotted so badly that it came off its pivot mount and was rubbing the backside of the wheel studs, which would cause a vibration. Well, following the brake job, the problem persisted so I took the truck to a local tire installer and had the tires road force balanced. The tech. found that one of the wheels was slightly bent and blamed the shake on the wheel. I have yet to replace the wheel because I plan on putting 20s on. If that solves the issue great, but something tells me it won't.

2006 F350 Lariat CC/SB 6.0/Auto 4x4. Stock everything.
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post #7 of 7 Old 08-19-2011, 07:32 AM
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Check ball joints and drag link I had the same issue about 6 months ago with mine

2005 Ford F250 CCSB 6.0 XLT 4x4

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-35" General Grabber AT2s

Best track time: 14.1 @ 96MPH
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