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  #1  
Old 06-13-2016, 07:36 PM
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300d rear left axle moves in and out?

MY sons 82 300d with about 430,000mi it aint pretty but it runs. started to make a clanking noise when he would make a turn. Any ideas as to what could be broken.
thanks
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  #2  
Old 06-13-2016, 07:55 PM
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It is possible for it to be an Axle but I think it is a good idea to also check the end Ply on the Rear Hub.
You should not be able to feel any in and out end play or side play for that matter.

Are there any ripped boots or leaks (factory axles are filled with liquid lube)?

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  #3  
Old 06-13-2016, 09:09 PM
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The boots are old but not cracked. I can slide the axle in and out about 1/2 an inch from the differential to the hub. is that normal? I tried to move the right axle and there was no play at all.
thanks
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Old 06-13-2016, 09:31 PM
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Quote:
Originally Posted by Marshall42 View Post
The boots are old but not cracked. I can slide the axle in and out about 1/2 an inch from the differential to the hub. is that normal? I tried to move the right axle and there was no play at all.
thanks
No, not normal. The clip inside the diff has come out. You will need to remove the diff cover and replace the clip (it may just be in the bottom of the diff), and possibly the shaft seal. You might as well do both while the cover is off.......Rich
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  #5  
Old 06-13-2016, 09:50 PM
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if there is actually play of 1/2" from the diff face to the axle stub... yeah that's bad.

hopefully, you can simply pop the diff cover off, (catch the 2 quarts of gear oil) fish around in the bottom with a magnet, and put the clip back on... but I've never seen one pop out on it's own.
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My drivers:
1987 190D 2.5Turbo
1987 190D 2.5Turbo
1987 190D 2.5-5SPEED!!!

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Old 06-13-2016, 09:51 PM
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if there is actually play of 1/2" from the diff face to the axle stub... yeah that's bad.

hopefully, you can simply pop the diff cover off, (catch the 2 quarts of gear oil) fish around in the bottom with a magnet, and put the clip back on... but I've never seen one pop out on it's own.
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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread
"as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do!

My drivers:
1987 190D 2.5Turbo
1987 190D 2.5Turbo
1987 190D 2.5-5SPEED!!!

1987 300TD
1987 300TD
1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!
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  #7  
Old 06-13-2016, 11:01 PM
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thanks Ill pull the diff cover off tomorrow and see if i can find the clip. I dont drive his car very often except when he says dad its not stopping or the engine wont shut off. Then I spend a few days fixing the beast. He really loves the car,I just taught him how to adjust the valves he did ok.
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  #8  
Old 06-13-2016, 11:14 PM
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Remember to remove the fill plug (the top one) BEFORE YOU REMOVE THE COVER PLATE!!!


It's pretty hard to put the oil back in
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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread
"as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do!

My drivers:
1987 190D 2.5Turbo
1987 190D 2.5Turbo
1987 190D 2.5-5SPEED!!!

1987 300TD
1987 300TD
1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!
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  #9  
Old 06-14-2016, 02:02 PM
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Quote:
Originally Posted by Marshall42 View Post
MY sons 82 300d with about 430,000mi it aint pretty but it runs. started to make a clanking noise when he would make a turn. Any ideas as to what could be broken.
thanks

I disagree with other statements, others may be misunderstanding what you are saying.

Your entire 'axle' is not sliding .5 inches. it is just the shaft that is sliding while the housings on the ends where the business happens is staying in place. Is this correct?

This does not suggest you have lost any clips.

More so, it suggests your axles are a bit worn. It will cause a tapping or hammering sound while the wheels are spinning. the rubber boots acting like a spring for each end of each axle.

The axle may work indefinitely, it is not a real cause for concern, but be prepared with reman axles if you plan to conquer it.
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  #10  
Old 06-15-2016, 05:36 PM
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Thanks I have come to the same conclusion. I pulled the diff cover off and the clips are fine, that left me with the only other possibility that the axle is worn in the boot. I ordered a new axle from the auto supply shop here and Ill have it tomorrow.

Thank you for all your help
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