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Suspension Tech General discussion of suspension for the Ford Ranger.

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Old 10-25-2010
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tbar numbers

im sure this is someplace on here... but how do i find out what bars i have ?
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Old 10-25-2010
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Look on the Cert label on the driver door jamb under "spring" and you will see a 2- or 4-digit code. Depending on year, the first 1 or 2 numbers in box are the t-bars or coils. The second 1 or 2 are the leafs.
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Old 10-25-2010
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i have #1 Bars
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Old 10-25-2010
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i thought #1s came on Fx4 lvl2s?
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Old 10-25-2010
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i looked and couldnt find it on mine, 01 mazda, but i got a question about them tbars, mine are slightly cranked but seem to slowly relax, is that the bolt backing out or is it something else?
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Old 10-25-2010
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Quote:
Originally Posted by djfllmn View Post
i thought #1s came on Fx4 lvl2s?
Yes and #1's are also used on some other Ranger 4x4's and on some Explorers, especially 5.0's. Spring rate is computer selected based on option content of the individual vehicle.



Quote:
Originally Posted by lifted_Mazda01 View Post
i looked and couldnt find it on mine
If you have a micrometer or caliper, you can measure the bar diameter and cross reference it to these bar codes:

Code 1 / highest rate / 1.09" diameter
Code B / medium rate / 1.06" diameter
Code F / lowest rate / 1.03" diameter



Quote:
Originally Posted by lifted_Mazda01 View Post
mine are slightly cranked but seem to slowly relax, is that the bolt backing out or is it something else?
Torsion bars and other springs under load tend to deform over time and the greater the deflection, the faster that deformation can occur. Cranking the torsion bar preload causes greater deflection at full jounce travel and accelerates the sagging process.
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Old 10-25-2010
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so time for new t-bars?
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