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  #1  
Old 10-06-2010, 09:30 PM
Tom Evans
 
Join Date: Jan 2007
Posts: 180
To Add Grease Or Not

I was going to replace my aging upper ball joints on my 126 with Uro parts. I had to remove the boot and discovered that there wasn't much grease under the boot. My question is whether I should add some grease or not. I've heard of some folks adding grease to lower ball joints when replacing them.

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Tom Evans
69 280SE 91K (wish I still had it)
73 220D 98K
78 300D 134K
78 300D 185K
81 300SD 301K (still have)
82 300SD 321K (still have)
84 300D 268K
84 6.2 Diesel GMC Suburban 225K (a whole different story!)
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  #2  
Old 10-06-2010, 10:50 PM
layback40's Avatar
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Location: Victoria Australia - down under!!
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Probably I will get flamed for this!!
When I got my old 300D (see below), it had about 10,000 miles on it. I went over every possible joint that had grease in it or could have grease put in it, especially anything that appeared to be "sealed for life" and put moly grease in them. At 800k miles, much on bad roads, none of the steering/ball joints had failed. I now always do this when replacing things.
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I no longer question authority, I annoy authority. More effect, less effort....

1967 230-6 auto parts car. rust bucket.
1980 300D now parts car 800k miles
1984 300D 500k miles
1987 250td 160k miles English import
2001 jeep turbo diesel 130k miles
1998 jeep tdi ~ followed me home. Needs a turbo.
1968 Ford F750 truck. 6-354 diesel conversion.
Other toys ~J.D.,Cat & GM ~ mainly earth moving
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  #3  
Old 10-07-2010, 12:21 AM
Diesel911's Avatar
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Location: Long Beach,CA
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Why should you get flamed for that?

The Boot comes of so there is no negative issue to adding Grease.

And, since you can buy the Boots separately one would assume that if you change the Boots you would be expected to add Grease.
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84 300D, 82 Volvo 244Gl Diesel
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  #4  
Old 10-07-2010, 01:13 AM
moon161's Avatar
Formerly of Car Hell
 
Join Date: Mar 2008
Location: Buffalo NY
Posts: 1,994
Grease should be compatible with the boot. Some greases may deteriorate it.
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82 Benz 240 D, Kuan Yin
12 Ford Escape 4wd

You're four times
It's hard to
more likely to
concentrate on
have an accident
two things
when you're on
at the same time.
a cell phone.


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  #5  
Old 10-07-2010, 05:24 AM
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Join Date: Jan 2000
Location: PA
Posts: 5,440
Diesel911,

Where do U buy boots separately? I went into dealer for new ones and parts guy tried to sell complete ball joint to me. He said boots were not available separately.

I grease ball joints and tie rod ends with a hypodermic type device with a zerk fitting on the end (available at AutoZone) every 25,000 miles and have never had to replace any joints on a 300,000 mile 300SD.

P E H

Last edited by P.E.Haiges; 10-07-2010 at 05:25 AM. Reason: typo
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  #6  
Old 10-07-2010, 08:46 AM
fruitcakesa's Avatar
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Join Date: Jun 2008
Location: Vermont
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Quote:
Originally Posted by P.E.Haiges View Post
Diesel911,

Where do U buy boots separately? I went into dealer for new ones and parts guy tried to sell complete ball joint to me. He said boots were not available separately.

I grease ball joints and tie rod ends with a hypodermic type device with a zerk fitting on the end (available at AutoZone) every 25,000 miles and have never had to replace any joints on a 300,000 mile 300SD.

P E H
I bought tie rod end boots from Phil [now retired] for my 123, maybe they have other boots available.
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  #7  
Old 10-07-2010, 09:01 AM
moon161's Avatar
Formerly of Car Hell
 
Join Date: Mar 2008
Location: Buffalo NY
Posts: 1,994
Keep an eye on the URO boots. I was looking into URO parts, but passed based on some people experiences.
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CC: NSA

All things are burning, know this and be released.

82 Benz 240 D, Kuan Yin
12 Ford Escape 4wd

You're four times
It's hard to
more likely to
concentrate on
have an accident
two things
when you're on
at the same time.
a cell phone.


www.kiva.org It's not like there's anything wrong with feeling good, is there?
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  #8  
Old 10-07-2010, 09:08 AM
Registered User
 
Join Date: Sep 2004
Posts: 8,748
Quote:
Originally Posted by P.E.Haiges View Post

Where do U buy boots separately? I went into dealer for new ones and parts guy tried to sell complete ball joint to me. He said boots were not available separately.
I think that is what is known as "upselling." I have personally obtained new ball joint grease boots from a MB dealer. But it wasn't recently.
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  #9  
Old 10-07-2010, 09:42 AM
layback40's Avatar
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Location: Victoria Australia - down under!!
Posts: 4,023
911,
The car was still under warranty and moly grease is not the recommended MB product.
__________________
Grumpy Old Diesel Owners Club group

I no longer question authority, I annoy authority. More effect, less effort....

1967 230-6 auto parts car. rust bucket.
1980 300D now parts car 800k miles
1984 300D 500k miles
1987 250td 160k miles English import
2001 jeep turbo diesel 130k miles
1998 jeep tdi ~ followed me home. Needs a turbo.
1968 Ford F750 truck. 6-354 diesel conversion.
Other toys ~J.D.,Cat & GM ~ mainly earth moving
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  #10  
Old 10-08-2010, 01:53 PM
Tom Evans
 
Join Date: Jan 2007
Posts: 180
I got upper ball joint boots from my dealer two days ago. They have them, but they may have to order them from the NJ or FL parts depots.

I plan to keep an eye on the Uro boots. I once had all four tie rod boots fail at one time and they were TRW (I did not add any grease here - it was all TRW grease).
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Tom Evans
69 280SE 91K (wish I still had it)
73 220D 98K
78 300D 134K
78 300D 185K
81 300SD 301K (still have)
82 300SD 321K (still have)
84 300D 268K
84 6.2 Diesel GMC Suburban 225K (a whole different story!)
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  #11  
Old 10-08-2010, 02:16 PM
Diesel911's Avatar
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Join Date: Sep 2007
Location: Long Beach,CA
Posts: 37,401
Quote:
Originally Posted by layback40 View Post
911,
The car was still under warranty and moly grease is not the recommended MB product.
Evidently it worked. Any, Grease is better than a dry Joint.

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84 300D, 82 Volvo 244Gl Diesel
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