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Steering rack mna3890ab vs mna3891ab

 
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Old 02-08-2019, 02:48 AM
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Default Steering rack mna3890ab vs mna3891ab

Hello,

i have a leak in my steering rack (left boot) and after searching for the repair i reached the conclusion that better buy a used one (with risk of leaking ) or a refurbished.

thing is i have been seeing both this part numbers mna3890ab vs mna3891ab for lhd and with servotronic!

cant seem to find anything on their differences while searching! Anyone has any ideia?

thanks
 
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Old 02-08-2019, 03:55 AM
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I have heard you can just change the outmost seals
 
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Old 02-08-2019, 05:00 AM
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Originally Posted by Lady Penelope View Post
I have heard you can just change the outmost seals
ehehe true story! but i canīt seem to find just the seal, only the whole kit and with shipping to Portugal it is around 70€/80$ (because in europe seems to be out of stock everywhere) , then i need to find someone who can do it because i i have never done it and lack the tools/elevator, and around here people who repair those things i spoke to tell me there is 50% chance it gets fixed and 50% the leak wont stop (donīt ask me why). Only in UK i found a place who refurbishes it for 200pounds, so my options seem to be:

- Refurbish for 200 pounds + shipping to UK (30 pounds)
- Fix this leak for 120/150€ parts (whole kit avaiable only) and labour (for just the leaking side) and risk it never becoming fixed
- 150€ for a used one (ebay) and risk it starts leaking anytime
- 300€ for a refurbished one (https://www.bandel-online.de/informa...fand/pfand.htm) with warranty
 
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Old 02-08-2019, 05:52 AM
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well been searching some more and it seems:

mna3890ab is RHD
mna3891ab is LHD
 
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Old 02-08-2019, 10:03 AM
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This is what I found on Ebay some time back , need to confirm the correct kit

I never done the job

Editing

 

Last edited by Lady Penelope; 02-08-2019 at 10:06 AM.
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Old 02-08-2019, 10:13 AM
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Originally Posted by Lady Penelope View Post
This is what I found on Ebay some time back , need to confirm the correct kit

I never done the job

Editing

on ebay i found in USA 35€ + 35€ postage!

but canīt seem to find anyone on my country willing to do the job with efficiency and capable of giving me a warranty (of 3/6months).

Just orderer a refurbished!
 
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Old 02-08-2019, 10:22 AM
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There is a shim you may want to consider before installation to reduce the slop in mating gaps on the frame

I have a installation Jaguar manual that you can take to the garage so they will be more willing to give you a grantee

Editing
 
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Old 02-08-2019, 10:32 AM
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Originally Posted by Lady Penelope View Post
There is a shim you may want to consider before installation to reduce the slop in mating gaps on the frame

I have a installation Jaguar manual that you can take to the garage so they will be more willing to give you a grantee

Editing
What shim is that?

thanks
 
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Old 02-08-2019, 09:28 PM
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# SPC1059 is a number attached to this , Availability ?

 

Last edited by Lady Penelope; 02-08-2019 at 09:31 PM.
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Old 02-08-2019, 10:23 PM
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Originally Posted by Lady Penelope View Post
# SPC1059 is a number attached to this , Availability ?

Hi Parker,

I wrote a DIY giving some history on these bushings and showing how I made and installed my own:

Steering Rack Stiffening Bushes DIY

Cheers,

Don
 
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Old 02-08-2019, 10:57 PM
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That's where I remembered it
tions

Paulofvfreitas , if you look from the top of the engine compartment to the bottom through the steering rack you may see a air gap if the light is right from the bottom of the car

The attached file below has some installation instructions

 
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File Type: pdf
ZF Rack BMW.pdf (1.05 MB, 10 views)

Last edited by Lady Penelope; 02-08-2019 at 11:07 PM.
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Old 02-10-2019, 03:49 AM
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Originally Posted by Lady Penelope View Post
That's where I remembered it
tions

Paulofvfreitas , if you look from the top of the engine compartment to the bottom through the steering rack you may see a air gap if the light is right from the bottom of the car

The attached file below has some installation instructions

thanks you both once again )))))
 
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Old 02-10-2019, 10:00 AM
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The other Doc I had does not have full installation instructions but that one has the area of the importance of lining up the index marks on the circle pattern before installation
 
 
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