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truck pulling to one side

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Old Oct 13, 2009 | 10:10 AM
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truck pulling to one side

I was playing around last week and did a 4 wheel boosted launch now it pulls to the right alot.Installed a leveling kit about 4months ago but everything looks good under the front end.What should i check,how do i aligned the front tires?
 
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Old Oct 13, 2009 | 11:14 AM
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when you hit the brakes, does it pull the other way?
 
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Old Oct 13, 2009 | 11:31 AM
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Mine pulled to the left when my caliper pin seized on the driver's side. Did you get some wheel hop during your launch? A washboard dirt road caused my caliper pin to seize. I performed the upgrade to both sides and haven't had any issues since. Have you checked your ball joints and steering joints? To get an alignment, go into a reputable tire shop and have them perform one.
 
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Old Oct 13, 2009 | 12:20 PM
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Just as a dummy check...have you made sure your track bar is working okay?
 
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Old Oct 14, 2009 | 10:32 AM
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How do i know if my track bar is working or not?
 
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Old Oct 14, 2009 | 10:34 AM
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From: OAHU,KANEOHE HAWAII
Originally Posted by just another truck
when you hit the brakes, does it pull the other way?
It pulls the same way when i hit the brakes
 
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Old Oct 14, 2009 | 10:39 AM
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Have you verified your hubs are unlocked?
 
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Old Oct 14, 2009 | 11:25 AM
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Have you performed the caliper pin upgrade? If not, whatever side you're pulling to while driving and braking could have a seized pin. Mine pulled to the left while driving and even harder in that same direction while braking.
 
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Old Oct 14, 2009 | 12:06 PM
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From: OAHU,KANEOHE HAWAII
Originally Posted by just another truck
Have you verified your hubs are unlocked?
Yep it's unlocked
 
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Old Oct 14, 2009 | 12:11 PM
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From: OAHU,KANEOHE HAWAII
[QUOTE=mechelement;8033918]Have you performed the caliper pin upgrade? If not, whatever side you're pulling to while driving and braking could have a seized pin. Mine pulled to the left while driving and even harder in that same direction while braking.[/QUOTE
I changed all the brakes six months ago and lubes all the caliper pin but how would that make it pull from a 4wheel lounch
 
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Old Oct 14, 2009 | 12:34 PM
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Seizd pin location

I guess I'm a little slow where is this "seized pin" located? I did a brake job 1 year ago and it has been pulling to the left (driver side). I also noticed there is more brake dust on the driver side than the passenger side. I thought the passenger brake line got damaged so I replaced it and bled the line. Any input would be great. Thanks!
 
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Old Oct 14, 2009 | 02:20 PM
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I think vibrations cause the caliper pins to stick due to the stock design. Ford came out with a new design w/ a rubber grommet on two of the four pins which is better for vibrations I guess.

Maybe coincidentally the pin seized during your launch. Did you notice any wheel hop? Were you offroad or on a dirt road that was bumpy?

I did a brake job, including lubing the stock caliper slide pins, 7 months before my caliper pin seized on a dirt road. One big bump seized it. I noticed it had been sticking a bit because of the slight pull to the left and more so during braking. When it seized, there was a loud screeching while braking and it pulled wildly out of control. So yours could just be sticking. Did you bend a spring, shackle or part of your suspension?
 
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Old Oct 14, 2009 | 05:28 PM
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Originally Posted by kupaa
How do i know if my track bar is working or not?
It's a bar that mounts on the axle and the frame to make sure that the axle stays centered under the truck. If either mount is off or loose, the axle could "walk" to one side under a hard launch with the front driving too.
 
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Old Oct 14, 2009 | 08:19 PM
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In addition i would make sure you didn't shift a spring up front. If during the launch, if it was hard enough, can put lateral stress on the springs through the track bar. This can shift the front end and cause the truck to "pull".

Is it actually pulling, or is the wheel off center?

Likewise the same thing could happen in the rear, and that would cause the truck to constantly push to one side.

Measure your wheel base accurately. This will tell you if anything shifted. An alignment check won't necessarily show that kind of problem.
 
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