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Author Topic: Rebuild OEM rear shock  (Read 8948 times)

Offline Silversuzzie

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Rebuild OEM rear shock
« on: April 18, 2015, 01:45:22 AM »
Hi
Does anyone have tips on installing new damper unit into old bmw rear shock?
Any info much appreciated
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Offline johnny

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Re: Rebuild OEM rear shock
« Reply #1 on: April 18, 2015, 08:15:57 AM »
greetings silversuzzie...

welcome to motobrick.com...

since we dont know whats you gotts... moto or shock... the answer is... nope...



j o
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  • :johnny i parks my 96 eleven hundert rs motobrick in dodge county cheezconsin  :johnny

Offline Silversuzzie

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Re: Rebuild OEM rear shock
« Reply #2 on: April 18, 2015, 05:10:40 PM »
Hi Johnny
Moto is k75rt 96,  shock is standard bmw.
Bought new damper unit. Now all i need is guidance on how to put it on the spring. Oh and how to remove the old one.
Many thanks
Joe
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Offline johnny

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Re: Rebuild OEM rear shock
« Reply #3 on: April 18, 2015, 05:34:49 PM »
greetings silversuzzie...

dont see a 96 k75rt on the fiche... whats your vin...

whats the part number of the new damper unit...

do you have access to a shock press...

how about some photos...

j o
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  • :johnny i parks my 96 eleven hundert rs motobrick in dodge county cheezconsin  :johnny

Offline Silversuzzie

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Re: Rebuild OEM rear shock
« Reply #4 on: April 19, 2015, 06:31:00 AM »
Hi Johnny
Thanks for getting back.
My vin is 0375325 made in 03/96.
The old damper unit has part no 3353-1450851 stamped on it.
The new unit arrives tomorrow and all I know it's a Bilstein piece.
I do not have a shock press.
Regards
Joe
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Offline johnny

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Re: Rebuild OEM rear shock
« Reply #5 on: April 19, 2015, 07:53:35 AM »
greetings...

i see now... not really cause no photos posted... butts i understand now... its a euro model... woulda been nice if you woulda said that in the 1st post...

j o
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  • :johnny i parks my 96 eleven hundert rs motobrick in dodge county cheezconsin  :johnny

Offline Silversuzzie

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Re: Rebuild OEM rear shock
« Reply #6 on: April 19, 2015, 08:36:24 AM »
Hi Johnny
Apologies not not saying it was euro.
Can it be done without a shock press?
Regards
Joe
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Offline johnny

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Re: Rebuild OEM rear shock
« Reply #7 on: April 19, 2015, 08:57:25 AM »
greetings...

needs to see some photos of whats you gotts... too many shocks out there to say for sure...  some can be spun apart with any kinda press... some not...

j o
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  • :johnny i parks my 96 eleven hundert rs motobrick in dodge county cheezconsin  :johnny

Offline Silversuzzie

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Re: Rebuild OEM rear shock
« Reply #8 on: April 19, 2015, 12:34:59 PM »
Hi Johnny
Here are some images of the shock. The damper has the black eye at one end and ends with the silver piston which screws into the larger silver eye.
Hope this helps.
Regards
Joe
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Offline Silversuzzie

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Re: Rebuild OEM rear shock
« Reply #9 on: April 19, 2015, 12:37:05 PM »
Hi
Here's another at black end
Regards
Joe
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Offline Silversuzzie

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Re: Rebuild OEM rear shock
« Reply #10 on: April 19, 2015, 12:41:59 PM »
Hi Johnny
Image of new damper unit
Regards
Joe
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Offline Inge K.

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Re: Rebuild OEM rear shock
« Reply #11 on: April 19, 2015, 04:44:06 PM »
The end of the piston rod have 9mm threads, which is secured with Loctite in the alu eyelet.
You need a spring compressor, a plier to counterhold the rod (protect the piston rod),
heat the rod end and the alu eye to melt the Loctite and expand the alu eye (take care with
the rubber parts)...unscrew the alu eye.

PS. The same OEM shock is used on both EURO and US models.
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Offline johnny

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Re: Rebuild OEM rear shock
« Reply #12 on: April 19, 2015, 05:52:26 PM »
i gotts a 9mm... its loaded chambered cocked locked and ready to bang...

j o
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Offline Snowman

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Re: Rebuild OEM rear shock
« Reply #13 on: April 19, 2015, 08:24:16 PM »
I have a scar from 24 stitches on my left hand and arm from a buddy not handling the compression of a shock spring correctly. Yes, there is an awful lot of energy in that spring.
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Offline Silversuzzie

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Re: Rebuild OEM rear shock
« Reply #14 on: April 20, 2015, 03:13:01 AM »
Hi
Many thanks to all that replied.
I now know what's involved.
Many thanks
Joe
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