04-14-2011, 10:01 AM
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#1
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Registered User
Join Date: Mar 2011
Location: Southern NH
Posts: 138
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IMS vs IMB replacement
I am having my RMS (rear main seal) replaced and figured I would takle the IMS upgrade everyone is raving about since they have to pull the engine for the RMS.
My question is, I know there is two options here the Intermediate Main Shaft and then just a bearing replacement.
Why would I want to replace the whole shaft, isnt the bearings the problem. I just would like a little advice on how to takle this one.
Thanks guys!
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PRESENT:
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04-14-2011, 10:11 AM
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#2
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Registered User
Join Date: Feb 2005
Location: It's a kind of magic.....
Posts: 6,277
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Cars built (or with factory engine replacements) after late 2005 require the entire shaft be replaced because of the size of the OEM bearing; this also requires total disassembly of the engine to swap out the shaft. Cars built earlier (with their original engines) only require the bearing be replaced.
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“Anything really new is invented only in one’s youth. Later, one becomes more experienced, more famous – and more stupid.” - Albert Einstein
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04-14-2011, 10:22 AM
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#3
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Registered User
Join Date: Mar 2011
Location: Southern NH
Posts: 138
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Quote:
Originally Posted by JFP in PA
Cars built (or with factory engine replacements) after late 2005 require the entire shaft be replaced because of the size of the OEM bearing; this also requires total disassembly of the engine to swap out the shaft. Cars built earlier (with their original engines) only require the bearing be replaced.
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Oh thats great news. THANK YOU. Seems like its a little cheaper on the 986 model then
That makes my day!
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04-14-2011, 10:34 AM
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#4
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Registered User
Join Date: Apr 2006
Location: Dallas, Tx
Posts: 730
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Also, there is no reason to pull the engine for the RMS and/or IMS bearing. The transaxle must be removed but these repairs are most often done with the engine still in the car.
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2003 Boxster - Sold but not forgotten
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04-14-2011, 10:45 AM
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#5
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Registered User
Join Date: Mar 2011
Location: Southern NH
Posts: 138
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Quote:
Originally Posted by timothy
Also, there is no reason to pull the engine for the RMS and/or IMS bearing. The transaxle must be removed but these repairs are most often done with the engine still in the car.
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My car is a 2000 2.7 Tiptronic. The guy told me its 13.6 hours total labor for the RMS and IMS Bearing.... does that sound right?
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PRESENT:
SUMMER FUN: 1999 986 Porsche Boxster Metalic Black on Sierra Beige
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04-14-2011, 11:58 AM
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#6
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Registered User
Join Date: Apr 2006
Location: Dallas, Tx
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Don't have the final bill in front of me but the estimate I received last year was 11 hours: 7 hours for the transaxle removal / reinstall and 4 hours for the IMS update. I believe that included the RMS.
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2003 Boxster - Sold but not forgotten
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04-14-2011, 12:12 PM
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#7
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Registered User
Join Date: Feb 2005
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Quote:
Originally Posted by audisnawb
My car is a 2000 2.7 Tiptronic. The guy told me its 13.6 hours total labor for the RMS and IMS Bearing.... does that sound right?
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For a Tip, yes; they are a pain in the ass compared to the manual gearbox cars. Some installers prefer to pull the engine and trans out as a unit and then separate them.
Just a thought, if your AoS in not recent, I would have it done at the same time; it is easily accessible with the gearbox out, and if they pull the engine, it is totally out in the open...........
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“Anything really new is invented only in one’s youth. Later, one becomes more experienced, more famous – and more stupid.” - Albert Einstein
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04-14-2011, 12:20 PM
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#8
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Certified Boxster Addict
Join Date: Nov 2010
Location: Los Angeles
Posts: 7,669
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Check the front engine mount and tranny mounts while you're in there...
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1999 996 C2 - sold - bought back - sold for more
1997 Spec Boxster BSR #254
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04-14-2011, 12:38 PM
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#9
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Registered User
Join Date: Mar 2011
Location: Southern NH
Posts: 138
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They are charging me (with OEM porsche parts) $1213.57. I thought it was very reaosnable, all things considered.
Thanks for the heads up people.
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04-14-2011, 01:14 PM
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#10
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Registered User
Join Date: Sep 2006
Location: Omaha
Posts: 2,870
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Quote:
Originally Posted by audisnawb
They are charging me (with OEM porsche parts) $1213.57.
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Hoperfully you're not replacing your IMS with another OEM IMS. The LN Engineering version is what you want to use.
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GPRPCA Chief Driving Instructor
2008 Boxster S Limited Edition #005
2008 Cayman S Sport - Signal Green
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04-14-2011, 01:34 PM
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#11
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Registered User
Join Date: Apr 2006
Location: Dallas, Tx
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Quote:
Originally Posted by husker boxster
Hoperfully you're not replacing your IMS with another OEM IMS. The LN Engineering version is what you want to use.
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Agreed! That price might be for labor and the RMS but can't include the LN Engineering IMS priced $762.83. https://www.lnengineering.com/ims.html
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2003 Boxster - Sold but not forgotten
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04-14-2011, 02:48 PM
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#12
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Registered User
Join Date: Mar 2011
Location: Southern NH
Posts: 138
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Quote:
Originally Posted by husker boxster
Hoperfully you're not replacing your IMS with another OEM IMS. The LN Engineering version is what you want to use.
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Oh no- as in my original post- Im doing the IMS UPGRADE... I would never replace it with a new "faulty" part lol
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04-14-2011, 03:28 PM
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#13
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Autobahn Glanz
Join Date: Dec 2010
Location: Charlotte, NC
Posts: 1,282
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Quote:
Originally Posted by audisnawb
Oh no- as in my original post- Im doing the IMS UPGRADE... I would never replace it with a new "faulty" part lol
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Then that price seems very good.
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04-14-2011, 05:18 PM
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#14
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Registered User
Join Date: Mar 2011
Location: Southern NH
Posts: 138
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His cost would only cover OEM parts, which is about $200-something
If I were to get my own parts, Id only pay him the labor which is much about 900.00....
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04-14-2011, 05:47 PM
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#15
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Registered User
Join Date: Dec 2008
Location: Queensland, Australia
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audisnawb... I'm with Timothy.
Something doesn't add up here.
They are charging you $1213 for the retro fit of the LN bearing kit which costs about $762.
That leaves $451 for 13,6 hours of labour = $33 per hour. Thats seems like a very cheap labour rate !!
I think they are charging you the $1213 for labour ($89-20 / hr which sounds about right) but parts will be on top of that....
Or it could be that the parts are costing $1213 (LN bearing + installation kit + RMS + sundries etc,) with 13,6 hours of labour added to that.
Of course, I could be wrong, but personally, I would confirm with the shop and get a written quote before you get a nasty surprise......
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2001 Boxster S (triple black). Sleeping easier with LN Engineering/Flat 6 IMS upgrade, low temp thermostat & underspeed pulley.
2001 MV Agusta F4.
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04-14-2011, 08:40 PM
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#16
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Registered User
Join Date: Apr 2006
Location: Dallas, Tx
Posts: 730
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First off, I was in a hurry earlier and misread the LN Engineering price chart. Their IMS retrofit is either $519 or $595 depending on single vs. double row. The $763 price is for a different kit.
$1213 quoted for labor, RMS, oil fill
$519 (+shipping) for IMS bearing
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total = $1732
That's a good price. Feb 2010 I paid $1893.80 (before tax) at my local shop including PCA member discount on labor.
There is also a LN IMS installation tool kit priced $159. Ask if you are expected to supply or will be billed for that.
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2003 Boxster - Sold but not forgotten
Last edited by timothy; 04-14-2011 at 08:51 PM.
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04-15-2011, 06:14 AM
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#17
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Registered User
Join Date: Oct 2010
Location: MI
Posts: 144
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I just did the LN IMS, RMS and clutch work a couple months ago and the shop charged me 10hrs labor (manual transmission). There should not be any charge on the tools if you do it at the shop listed as LN dealers/installers. The shop did not even charge me for shipping.
I think $1200 for total job sounds very reasonable for tiptronic cars since they might have to remove the engine to do it.
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04-15-2011, 06:17 AM
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#18
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Engine Surgeon
Join Date: Aug 2008
Location: Cleveland GA USA
Posts: 2,425
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This price is too cheap. I'd be concerned that the work is going to be done thoroughly.
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IMS Solution/ Faultless Tool Inventor
US Patent 8,992,089 &
US Patent 9,416,697
Developer of The IMS Retrofit Procedure- M96/ M97 Specialist
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04-15-2011, 09:48 AM
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#19
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Registered User
Join Date: Mar 2011
Location: Southern NH
Posts: 138
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Quote:
Originally Posted by Jake Raby
This price is too cheap. I'd be concerned that the work is going to be done thoroughly.
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His labor is not cheap- 75 an hour which is average for an independant Porsche mechanic. Again- the labor is about 950 and then adding in the parts of the OEM parts, would bring it to the 1200- I am going with the LNengineering double bearing kit for 595- so with the upgraded kit, ill be around 1500
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04-15-2011, 10:41 AM
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#20
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Registered User
Join Date: Oct 2010
Location: MI
Posts: 144
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Quote:
Originally Posted by audisnawb
His labor is not cheap- 75 an hour which is average for an independant Porsche mechanic. Again- the labor is about 950 and then adding in the parts of the OEM parts, would bring it to the 1200- I am going with the LNengineering double bearing kit for 595- so with the upgraded kit, ill be around 1500
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What parts did your mechanics charge you for $250?
RMS only cost $19.84 (that is the number that I paid 3 months ago, part 997 101 212 01).
Even if you add new AOS, it is only $105 +33 for hose clamp and upper fitting).
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