Stock Problems/Issues Discussions related to warranty related issues and repairs, or other problems with the OEM parts and software for MINI Cooper (R50), Cabrio (R52), and Cooper S (R53) MINIs.

There are two ball-joints per control arm, why do online parts houses only list one?

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Old Sep 30, 2005 | 08:25 PM
  #1  
barnhillld's Avatar
barnhillld
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There are two ball-joints per control arm, why do online parts houses only list one?

During removal of my sub-frame to do a clutch replacement, I damaged the rubber boot on one of the left front ball joints. Been surfing online parts suppliers for a couple hours now and every one of them lists "the other" ball joint, but not the one that connects the end of the control arm to the spindle.

The part everyone lists looks like this:
And it's item #12 on the diagram at this URL

What I need however, is the other ball joint on the end of the control arm where it attaches to the spindle, as shown in item #10 at this URL

No matter where I look, a "ball joint" for this car turns up ONLY the item 12 shown in the picture posted here.

Anyone know where I can "the other ball-joint" online? My dealer is 50 miles away and I really don't have time to drive up there during business hours.

Thanks
Lloyd
 
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Old Sep 30, 2005 | 09:04 PM
  #2  
Nitro22's Avatar
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From: California
Originally Posted by barnhillld
During removal of my sub-frame to do a clutch replacement, I damaged the rubber boot on one of the left front ball joints. Been surfing online parts suppliers for a couple hours now and every one of them lists "the other" ball joint, but not the one that connects the end of the control arm to the spindle.

The part everyone lists looks like this:
And it's item #12 on the diagram at this URL

What I need however, is the other ball joint on the end of the control arm where it attaches to the spindle, as shown in item #10 at this URL

No matter where I look, a "ball joint" for this car turns up ONLY the item 12 shown in the picture posted here.

Anyone know where I can "the other ball-joint" online? My dealer is 50 miles away and I really don't have time to drive up there during business hours.

Thanks
Lloyd
You should be able to call your closests BMW/MINI dealership and order the part over the phone. It should be possible for them to ship it to your doorstep.

Good Luck!
 
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Old Sep 30, 2005 | 09:19 PM
  #3  
zrwon's Avatar
zrwon
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If you only need the boot and have the size of the shaft and the dimension of the seat, I have a bunch of Energy suspension dust boot here, if I have one of that size, I'll ship it to you.

I just measured a couple here, the shaft opening is 9/16" but can stretch to 5/8" to fit snug and the seat is 1 3/8" and again it needs to stretch in order to fit snug.
One of them is 1 5/16" tall and others are 1" tall, let me know the size you need, I have a few other ones downstairs.
 
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Old Oct 1, 2005 | 07:18 AM
  #4  
barnhillld's Avatar
barnhillld
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Just ordered the ball joint from the Mini dealer in Hartford. Seems so obvious now, but I'm internet addicted and spent two hours looking online for someplace else to get it first. :impatient

Didn't ask how much since there seems to be no where else to get it.

Now, back to trying to find out how to replace the passenger side seal in the steering rack. https://www.northamericanmotoring.co...768#post657768

Cheers,
Lloyd
 
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Old Oct 3, 2005 | 07:34 PM
  #5  
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How do you get that ball joint off?

Ok, new ball joint will be here tomorrow... but how in the heck do you get the old one off?

I removed the two bolts that attach it to the bottom of the spindle, but this baby is pressed tight into that hole...

Anyone have a trick? or a particular tool that I might be able to get at the Auto parts store?
 
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Old Oct 3, 2005 | 08:12 PM
  #6  
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leave the stem of the ball joint attached to the control am so you can pry between the control arm and spindle. mine came right out, both sides.
 
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Old Oct 4, 2005 | 01:37 AM
  #7  
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Problem ball joint

Originally Posted by jlm
leave the stem of the ball joint attached to the control am so you can pry between the control arm and spindle.
The flat plate that the two bolts went through DOES come off with the ball joint doesn't it? If so, what did you pry against? Control arm on the bottom, but to pry off of anything, it seems I would have only that flat plate to pry against and I assumed this needs to come down with the ball joint?

I can put the control arm back on the cener bolt, but I don't see any way of prying between that and the spindle.


I suppose I can pry below the control arm by leveraging off the nut... is this what you meant?

Thanks,
Lloyd
 

Last edited by barnhillld; Oct 4, 2005 at 06:22 AM. Reason: Added the photo
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Old Oct 4, 2005 | 01:15 PM
  #8  
deerharb's Avatar
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Removing the ball joint from the bottom of the spindle

I suggest carefully tapping a thin blade like a putty knife into the joint between the spindle and the ball joint. They are not a press fit. There may be some rust or dirt or some dings to the fit between these two parts that occurred prior to when they were last assembled.

Separating ball joints from control arms, etc are difficult because of lack of places to pry against. The alternative is to use a soft drift or block of metal (not steel) to place against the partially loosened ball joint nut and strike it sharply to "pop" the taper lose.
 
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Old Oct 4, 2005 | 01:20 PM
  #9  
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mine came out pretty easily; maybe a bit o' the mallet on the control arm; definitely easier with the taper left fitted to the ca.
 
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Old Oct 4, 2005 | 05:22 PM
  #10  
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Petrich
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From: Sammamish, WA
Barnhilld,

I do the same as John (jlm) has suggested. A piece of cake and much easier than trying to pop the taper. The fit is pretty loose. A combination of a gentle push up on the spindle and a push down on the "A" arm seperates the two.

John Petrich in Seattle
 
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Old Oct 4, 2005 | 08:19 PM
  #11  
barnhillld's Avatar
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Got it! The thin blade proposal of DeerHarb worked although it was rusted in place and pretty dang tight. This was the reason I dropped the control arm from the center bolt, because this connection didn't want to come loose. Of course in the process of doing things that way, I damaged the ball joint resulting in the need for this extra hassle

But it's out now and once again...... the people on this forum are an irreplaceable source of help. Thanks!!

New ball joint and steering rack are some where on the road. OEM clutch and transmission are installed and the SPEC clutch is on it's way back to their quarters in Alabama for evaluation.

Cheers,
Lloyd
 
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Old Nov 1, 2007 | 09:53 AM
  #12  
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skiman747
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From: Prescott, AZ
I am replacing the same ball joint on a 04 MCS. It came loose where the 2 bolts go in, but the center bolt does not want to come loose. Is it pressed on or is it just stuck?
 
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