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Pitman Arm problems

Got an aftermarket pitman arm that wont seat on stearing box!

Pitman Arm problems

Postby gcalledinsick [OP] » Dec 04 2011, 11:51pm

i got an aftermarket pitman arm that wont seat on stearing box. the aftermarket replacement looks like the same dimensions and same tooth count and even calipered the diameter and its the same but it still wont seat all the way. when i turn lock to lock i cant turn fully to the right b/c the tie rod hits the frame. the only difference i notice between the old and new is the joint end is much larger on the old arm.

so is it possible the steering box was swapped with another model or maybe the aftermarket parts do not fit the same way? any help would be greatly appreciated. thanks
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Related Topics  pitman arm idler arm replace   pitman arm   Pitman Arm replacment hell   Bad inner+outer tie rods and pitman arm   A-Arm Problems   Tie rods and ends, ball joints, and pitman arms   Loose control arm   Rocker arm ratio   question on upper control arm   lower control arm stops   Torsion Bar stuck in A Arm   RC 2.5 lift kit upper a arm rubbing   I hate snow! Stripped wiper arm...   Brakes,solution for arm rest latch 
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Re: Pitman Arm problems

Postby ASTE25 » Dec 05 2011, 9:47pm

As far as it not seating all the way, that is not uncommon, because the replacement arm may start it's taper at a different diameter. Just make sure you can get it tightened down to the correct torque. Make sure it doesnt bottom out on the box (as if the hole was too big, and didn't allow for a good press fit). As far as the tie rod hitting the frame, have you added a lift kit? I don't see a reason (by the pictures of the arms) that you should be having geometry issues.
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Re: Pitman Arm problems

Postby daddy0_4 » Dec 06 2011, 1:31am

Kinda sounds like its not "centered" correctly,dont the arms have 1 spline that is larger than the rest and if that spline is not where its supposed to be the arm would not seat and would throw off the "turn to stop" ratio. Just my $.02 :P
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Re: Pitman Arm problems

Postby ASTE25 » Dec 06 2011, 4:45am

I put one on a GMC Sierra last night. They had two different ones to choose from (you had to know what kind your truck had). Apparantly GM made some with 3 master splines and some with 4 master splines. I'm not sure if a 3 master spline pitman arm will fit on a 4 master spline steering box, but a 4 master spline pitman arm will not go on a 3 master spline steering box.
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Re: Pitman Arm problems

Postby daddy0_4 » Dec 19 2011, 12:01pm

So did you get figured out?
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Re: Pitman Arm problems

Postby gcalledinsick [OP] » Dec 19 2011, 12:48pm

oh ya, thanks for the help. it ended up being the idler arm. it was bent up instead of down. just the wrong part. the pitman arm was fine i guess its not meant to seat all the way like the oem one.
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Re: Pitman Arm problems

Postby REM2000 » Sep 09 2014, 7:32pm

If the tie rod is hitting the frame, make sure that the center link where the idler arm and pitman arm are attached is not in upside down.. This will happen if both pitman arm and idler arm are removed and the center link turns around.. This happened to me, took both off and turned center link around and it was now ok.. BUT I am having same issue with the MOOG Pitman Arm not seating completely into the steering box shaft. Checked the spline line up and the 4 line up marks, all ok, but even after taking nut off and checking and trying again, the pitman arm will only go in part of the distance it was with the original one. Showing the splines on the shaft more than it did with the original.
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