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Removing intermediate steering shaft by masospaghetti
Started on: 08-21-2015 08:37 AM
Replies: 10 (664 views)
Last post by: 2.5 on 08-26-2015 01:52 PM
masospaghetti
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Report this Post08-21-2015 08:37 AM Click Here to See the Profile for masospaghettiSend a Private Message to masospaghettiEdit/Delete MessageReply w/QuoteDirect Link to This Post
After close inspection I can see my intermediate shaft has some play in it when I rotate the steering wheel.

First - can this be replaced without dropping the column or steering rack? The FSM doesn't make any mention of either.

Second - Is this a typical problem? I see that the Fiero Store has used steering shafts, am I just going to get another stinker?

I really would just like to weld the shaft together but i know it's a safety feature.
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olejoedad
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Report this Post08-21-2015 11:25 AM Click Here to See the Profile for olejoedadSend a Private Message to olejoedadEdit/Delete MessageReply w/QuoteDirect Link to This Post
Pull the front spare tire well.
Remove dash lower trim panel below steering column.
Remove the four 15mm fastners holding the column to the support.
Remove the two 11mm bolts holding the intermediate shaft to the column and the rack.
Pull the column backward (toward seat) to remove the shaft.
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masospaghetti
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Report this Post08-22-2015 01:38 PM Click Here to See the Profile for masospaghettiSend a Private Message to masospaghettiEdit/Delete MessageReply w/QuoteDirect Link to This Post
So the column does need to be lowered to get the shaft out?

Also - I know the telescoping shaft inside the steering column is fixed together with a plastic plug - could something similar be used here to lock the two sections together? I was thinking a nylon bolt so it would still shear in a collision.
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olejoedad
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Report this Post08-22-2015 02:31 PM Click Here to See the Profile for olejoedadSend a Private Message to olejoedadEdit/Delete MessageReply w/QuoteDirect Link to This Post
It doesn't need to be locked together after installation. Both ends are secured, it can't change length.
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masospaghetti
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Report this Post08-23-2015 11:41 AM Click Here to See the Profile for masospaghettiSend a Private Message to masospaghettiEdit/Delete MessageReply w/QuoteDirect Link to This Post
I meant as a way to remove any slop or play in the telescoping joint.
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masospaghetti
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Report this Post08-23-2015 09:00 PM Click Here to See the Profile for masospaghettiSend a Private Message to masospaghettiEdit/Delete MessageReply w/QuoteDirect Link to This Post

masospaghetti

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Member since Dec 2009
I removed the shaft today. Like the shaft inside the steering column, the intermediate shaft has two plastic pins that are presumably supposed to keep the shaft free of slop but still allow it to telescope in a collision. Clearly, since there's movement in my joint, those two plastic pins have failed.

It would be easy to drill a small hole through the assembly and install a low strength bolt as a way to repair. Any comment on whether this is a bad idea?
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olejoedad
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Report this Post08-23-2015 09:02 PM Click Here to See the Profile for olejoedadSend a Private Message to olejoedadEdit/Delete MessageReply w/QuoteDirect Link to This Post
The inner shaft and outer housing of the intermediate shaft fit tightly together with no axial play, as they have a 'double D', or barrel shape.
The nylon locking pin does not reduce slop in any way. Only two reasons for the nylon lock...
1. Ease assembly on the production line
2. Determine if the shaft was involved in a collision

If there is any axial play (the inner shaft rotating in the outer housing), the intermediate shaft is worn out and should be replaced.
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2.5
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Report this Post08-24-2015 09:15 AM Click Here to See the Profile for 2.5Send a Private Message to 2.5Edit/Delete MessageReply w/QuoteDirect Link to This Post
What are your driving symptoms of this having play in it? Also what year is the Fiero?

[This message has been edited by 2.5 (edited 08-24-2015).]

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masospaghetti
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Report this Post08-24-2015 11:06 AM Click Here to See the Profile for masospaghettiSend a Private Message to masospaghettiEdit/Delete MessageReply w/QuoteDirect Link to This Post
It's an 86 GT.

There's a bit of looseness in the steering despite reworking the suspension and steering rack. Holding the intermediate shaft in hand I can feel a small amount of axial and rotational play in the telescoping joint. I assume it should be tight.
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masospaghetti
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Report this Post08-26-2015 09:21 AM Click Here to See the Profile for masospaghettiSend a Private Message to masospaghettiEdit/Delete MessageReply w/QuoteDirect Link to This Post
I ended up putting the shaft in a press and squeezing it to get it tight. No more axial or rotational play. Sprayed some teflon lubricant in there, should have no problem telescoping in a crash.

Just for reference, I got the shaft out by loosening up the steering rack mounting bolts but without disconnecting the tie rod ends. This provides enough room to maneuver the shaft out.
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2.5
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Report this Post08-26-2015 01:52 PM Click Here to See the Profile for 2.5Send a Private Message to 2.5Edit/Delete MessageReply w/QuoteDirect Link to This Post
I may need to check this out on my 88.
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