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Agr Steering Box - Read!!

Eric M.

Eric M.

1/2 ton status
Joined
Dec 10, 2001
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Location
Oakland, CA
I have a 2 month old AGR steering box. The 4 bolts on the top cover loosened up and did so quick in about a day. I lost all my fluid in one shot, no power steering and no brakes (I have hydroboost). I tightened all 4 bolts up and everything seemed good. I decided to give AGR a call since it really seemed odd that the bolts would loosen up like that ... and i didn't want to experiece this again!

It turned out AGR got a batch of bolts with the incorrect pitch in the threads which caused them to loosen like that. About 50 boxes went out before they noticed it. They are sending me new bolts.

Just a heads up. If you have a fairly new AGR box and your cover bolts loosen, give them a call and they'll send you new ones.

Eric M.
 
It turned out AGR got a batch of bolts with the incorrect pitch
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If these bolts had the wrong thread pitch, then how did they get them to screw into the box in the first place (force them in)? Anybody that has a little experiance screwing a bolt in, can usually tell if a bolt is the wrong pitch imidietly just by the feel of how the bolt srews in. I have heard some not so good things about AGR in the past.
 
It could very well be that arg's su[[lier made a mistake while manufacturing the bolts. if the tooling isnt setup right they may be slightly off allowing for such a thing to happen... it wasnt noticable cause it was close but it could still cause problems.
 
If any of you guys are "bolt experts", I'll send the bad ones off to you to measure / check out.

Eric M.
 
It could very well be that arg's su[[lier made a mistake while manufacturing the bolts. if the tooling isnt setup right they may be slightly off allowing for such a thing to happen... it wasnt noticable cause it was close but it could still cause problems.
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When thread pitch is incorrect, at some piont (probably no more than 1/2" depth) the bolt will bind. One machining problem I have seen with bolts is the thread pitch is correct, but when the bolt threads where machined, it cut too deep, and the bolt was cut just slightly undersized...causing it to not sit flush when threaded in. I had that problem with a tie rod end one time.
 
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M8 and 5/16" are so close both will thread into the wrong hole to their full depth...even though the thread pitch is slightly different.

I'd guess that may be the size and the problem.

Rene
 
1-ton said:
When thread pitch is incorrect, at some piont (probably no more than 1/2" depth) the bolt will bind. One machining problem I have seen with bolts is the is thread pitch is correct, but when the bolt threads where machined, it cut too deep, and the bolt was cut just slightly undersized...causing it to not sit flush when threaded in. I had that problem with a tie rod end one time.
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That could very well have been th problem but the said th pitch was wrong to clarify the problem rather than having to go into detail.
 
dont get me started on thread pitch and machining threads, it will be a long night :D .
 
rdn2blazer said:
dont get me started on thread pitch and machining threads, it will be a long night :D .
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[/cracks beer]
[/sits in comfy chair]

Why? Do you happen to know something about machining? :D :bow:


:usaflag:
 
If the pitch was bad on the bolts I wonder if they messed up the threads in holes when they installed them , you might have proplems later!!
 
and when you do have problems, they have record of sending you bolts... so they knew there was a problem. you should be covered.
 
beater_k20 said:
and when you do have problems, they have record of sending you bolts... so they knew there was a problem. you should be covered.
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Man ... I don't want problems and I don't want to have to deal with pointing fingers and trying to get money for a bad box or a wrecked truck in the future.

I need another box for a different truck. Who can you guys recommend?

Thanbks,

Eric M.
 
tRustyK5 said:
http://www.pscmotorsports.com/

Rene
Click to expand...


Now we're talkin'!

Anyone use one of these? Feedback? I don't see any sort of write up like AGR does on their boxes, you know, boasting about special berings, heavy duty parts and bolts with correctly pitched threads. Are these boxes beefed up at all or just stock rebuilds?

Thanks,

Eric M.
 
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