[Shotimes] Vibration or picky...again (update)

Dave Kegel d.kegel@comcast.net
Tue, 12 Apr 2005 16:00:04 -0500


I think it's the CV joints.

Dave

-----Original Message-----
From: shotimes-admin@autox.team.net [mailto:shotimes-admin@autox.team.net]
On Behalf Of cmichaelo@optonline.net
Sent: Tuesday, April 12, 2005 3:17 PM
To: Hartberger, Jason M. AT3 (AW); shotimes
Subject: Re: RE: RE: [Shotimes] Vibration or picky...again (update)


Jason,

I replaced the following componenets a few years ago:
- strut bearings,
- inner and outer tie rods,
- lower control arms.

The steering restriction was there before AND after.

Michael
94MTX,green,BOS+,Koni/Intrax,Baer,Corbeau
SHO items for sale: http://hometown.aol.com/cmichaelo/for_sale.html

----- Original Message -----
From: "Hartberger, Jason M.  AT3 (AW)" <hartbejm@roosevelt.navy.mil>
Date: Tuesday, April 12, 2005 2:50 pm
Subject: RE: RE: [Shotimes] Vibration or picky...again (update)

> I'm almost tempted to say check the strut bearings for the steering 
> toughness. Does the steering try to 'fight' back at you when you turn 
> the wheel? cos that's a classic sign of worn strut bearings. I know
> it's a long
> shot, but that seems to be what we're reduced to at this point. 
> It's easy to
> take the struts and springs out as a single unit (just don't 
> unscrew the top
> crown nut in the middle) to check the bearings; they're like a $10 
> part, and
> you should get new mounts while you're at it (like $14? [I can't 
> remember]at AAP).
> 
> Jason
> 
> 
> 
> -----Original Message-----
> From: cmichaelo@optonline.net [cmichaelo@optonline.net]
> Sent: Tuesday, April 12, 2005 10:55 AM
> To: Tom Smith; shotimes; David Rosicke; Bill Strobel
> Subject: Re: RE: [Shotimes] Vibration or picky...again (update)
> 
> 
> And the saga continues...(update).
> 
> Tom, I checked for bearing grease on the inside of the knuckle (i.e., 
> looking into the knuckle from the engine side.) No grease to be seen. 
> Totally dry in there.
> 
> Checked the seating of the rotor against the front right hub. The
> was a
> minor wobbling. Turned the rotor 72deg and it went away.
> 
> Checked the axle nuts all around.  All were at least 200 lbft.
> 
> Checked all other suspension bolts (strut pinch bolt, control arm
> bolts,tension strut nuts)...everything is fine.
> 
> I checked rotor lateral runout again with a dial indicator.  Rears are 
> <0.001". So they are good.
> 
> CV joints:
> ------------
> I did not check the CV joints yet.  They were checked 20k ago and
> were found
> in good condition by the mechanic. Bill, how do I check if CV 
> joints are ok,
> or should I just replace them since they have 130k on them at this 
> point?
> Carrier bearing:
> --------------------
> Nor did I check the carrier bearing for the intermediate drive-shaft.
> 
> Dave, if this bearing is worn out, I should be able to measure
> that with a
> dial indicator, no?  Do you know what the spec is?  And I suppose 
> it's a lot
> of work to replace that bearing, no?
> 
> Other clues:
> ---------------
> 
> Here's two new clues to as what may be wrong. Hope you guys can
> help here:
> 
> 1st clue - front right lateral rotor runout:
> 
> Let's say the dial indicator initially shows 50 (for 50/1000 of an
> inch).Then on the first single 360deg revolution the runout will 
> typically stay
> within 49 and 51. But as I continue turning the rotor on the 
> second 360deg
> revolution, it jumps to 52 or 53 and then stays between 51 and 52 
> (or 53)
> for the revolution. Then on the third revolution it returns to the 
> 49 to 51
> of the first revolution.
> 
> So this is so weird. You'd think that the fluctuation within a
> single 360deg
> revolution would be reapeted in the next revolution and in the next
> revolution etc. But it doesn't.
> 
> Whether I turn the rotor by hand or let the engine turn it in 1st
> gear makes
> no difference (though it is kind of hard to track the dial 
> indicator at
> 800rpm in reverse.)
> 
> 2nd clue - turning resistance.
> 
> When driving, and especially right after start-up, there is a
> resistance in
> the steering wheel when reaching a specific point when turning 
> left.  You
> sort of have to turn harder to overcome the resistance.  Once it's 
> overcomeyou can continue turning normal. 
> 
> It almost feels like the steering wheel is locked at this
> particular spot.
> And it's impossible to steer "finely" when at this particular spot.
> 
> This problem appeared suddenly about 4 years ago.  Could this be
> due to CV
> joints? Or is steering rack more likely culprit?
> 
> 
> Michael
> 94MTX,green,BOS+,Koni/Intrax,Baer,Corbeau
> SHO items for sale: http://hometown.aol.com/cmichaelo/for_sale.html
> _______________________________________________
> Shotimes mailing list
> Shotimes@autox.team.net http://www.team.net/mailman/listinfo/shotimes
> _______________________________________________
> Shotimes mailing list
> Shotimes@autox.team.net
> http://www.team.net/mailman/listinfo/shotimes
_______________________________________________
Shotimes mailing list
Shotimes@autox.team.net http://www.team.net/mailman/listinfo/shotimes