[Rovernet] play in 3500s differential

Dermot Harvey roverman2 at verizon.net
Wed Apr 27 13:36:17 EDT 2016


Agreed! The BW65 is a little better, but still tends to clunk a bit.

   Dermot Harvey

On Apr 26, 2016, at 7:48 PM, LANCE LA CERTE PSY D via Rovernet wrote:

> Peter, since I just completed the exact job you're undertaking, I  
> can 2nd Vern's response that the 'play' you have is acceptable.  I  
> had a really bad 'clunk' but it was only at slow speeds, usually  
> when the car was coming to a stop.  Turned out it indeed was a bad  
> u-joint.   The bad news; the other 'clunk' from engaging the  
> transmission never went away.   I remember we've had this  
> conversation several times on Rovernet, and apparently that clunk  
> is almost a badge of honor with that atrocious BW35.  I've never  
> been able to eliminate it, even after having the tranny completely  
> rebuilt and then replacing all of the u-joints along the entire  
> drive line.
> Best wishes,   Lance
>
> Lance La Certe, Psy.D.
> Outside of a dog, a person's best friend is a book.  Inside of a  
> dog it's too dark to read.
>
>
>
>
>> Date: Mon, 25 Apr 2016 21:31:43 -0400
>> To: rovernet at rovernet.org
>> Subject: [Rovernet] play in 3500s differential
>> From: rovernet at rovernet.org
>> CC: peter at king-co.com
>>
>> Hi all,
>>
>> I’m in the middle of replacing half shaft u-joints in the 3500s,  
>> and replacing seals and gaiter on the Dedion tube, and I noticed  
>> that there is a lot of free play in the differential when I rotate  
>> the road wheel back and forth. A “blank space” before engaging.  
>> How much play is normal, and what’s the best way to measure this?  
>> I made a set of marks on the outer edge of the brake disc, and  
>> measured 3/4” of “blank space” when I move the wheel back and  
>> forth. I have no idea if that’s a meaningful measurement, but it’s  
>> a place to start the conversation.
>>
>> Any thoughts on this?
>>
>> thanks,
>>
>> Peter
>>
>>
>>
>>
>>
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