[Rovernet] play in 3500s differential [SEC=UNOFFICIAL]
Vern Klukas
vern at inkspotco.com
Thu Apr 28 10:56:33 EDT 2016
Good to know, thanks Michael.
Yours
Vern
> On Apr 27, 2016, at 6:36 PM, Coombs, Michael MR via Rovernet <rovernet at rovernet.org> wrote:
>
> UNOFFICIAL
>
> UNOFFICIAL
>
>
> Barry and Vern,
> There was a major change in the Crown wheel mounting bolts from Diff
> number Suffix D onwards Essentially the later ones have 12 x 3/8 UNF
> bolts the early have two fitted bolts and 10 standard, loose fit in
> wheel, 5/16 UNF bolts. Both require Thread locking compound and high
> tensile washers of the correct thickness. Obviously this is also
> important if you are buying a new gear set as the thread is in the crown
> wheel.
> Michael
>
>
>
> ------------------------------------------------------------------------
> ----------------
> Mr Michael Coombs
> Headquarters Branch
>
> HQ FORCOMD
> Victoria Barracks
> PADDINGTON NSW 2021
> Tel: 612 8335 5058
> Fax: 612 8335 6648
> Email: michael.coombs at defence.gov.au
>
> http://intranet.defence.gov.au/armyweb/Sites/ForcesComd/comweb.asp?page=
> 201735&Title=Home
>
> ------------------------------------------------------------------------
> ----------------
>
>
> -----Original Message-----
> From: Rovernet [mailto:rovernet-bounces at rovernet.org] On Behalf Of
> rovernet-request at rovernet.org
> Sent: Thursday, 28 April 2016 02:00
> To: rovernet at rovernet.org
> Subject: Rovernet Digest, Vol 35, Issue 7
>
>
>
>
>
> Today's Topics:
>
> 1. Re: play in 3500s differential (Barry Lafbery)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Wed, 27 Apr 2016 08:29:08 -0700
> From: Barry Lafbery <lafbery at shaw.ca>
> To: Rovernet <rovernet at rovernet.org>
> Subject: Re: [Rovernet] play in 3500s differential
> Message-ID: <0CAB4FE5-FC89-4604-8DFD-E193FC20C30C at shaw.ca>
> Content-Type: text/plain; charset=windows-1252
>
>
> I seem to remember it was clunk as i pulled away, when it finally broke
> the case it stopped the car I was only a few blocks from home and had a
> hell of a job getting it home as it did not want to move. it had split
> the casing about 6 inches long.
>
> Barry
>
>>
>> I?ve had Barry?s experience except in a 4cyl car. I wasn?t driving it,
> but the person who was said she did vaguely hear a ?tick, tick, tick?
> from the back. The amazing thing was she probably drove the car 500
> miles before I found the hole. The piece that had come out was fairly
> high, so some oil was retained and I guess it was just enough.
>>
>> Yours
>> Vern
>>
>>> On Apr 27, 2016, at 7:25 AM, peter king via Rovernet
> <rovernet at rovernet.org> wrote:
>>>
>>> Thank you, Barry. It sounds like you would have heard a repeated
> sound or grinding as the bolt was coming in contact with the casing. Was
> that the case, or did it just clunk when you put it in gear?
>>>
>>>
>>>> On Apr 26, 2016, at 6:35 PM, Barry Lafbery via Rovernet
> <rovernet at rovernet.org> wrote:
>>>>
>>>> if it?s any help, the clunk i had in my last 3500s turned out to be
> a loose crown wheel i did not catch it in time and it broke the casing.
>>>> including mine i have heard of 3 3500s with the crown wheel coming
> loose. One bolt only has to undo 1/2 a turn and they hit the casing if
> you keep driving it breaks the casing. It?s really worth checking. When
> i repaired it i drilled the bolt heads wired the bolts and also used
> loktite on the threads.
>>>>
>>>> Barry
>>>>>
>>>>>
>>>>> 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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>>>
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>> inkspotco.com ? 250 864 5619 ? in at inkspotco.com
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