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dutchhome



Member Since: 26 Feb 2016
Location: Delaware, USA
Posts: 16
United States 2009 Range Rover Supercharged 4.2 SC V8 Bournville
2009 4.2 supercharger service - any tips?

My supercharger has started making some noise and I want to service it. I’ve ordered this kit (https://ebay.us/m/xw58gC ) which should cover the supercharger itself. What else do I need to order? I’m struggling to find a complete list of gaskets for instance. Is there a DIY write up or anything that covers everything including recommended parts? I’m not entirely sure what I’m up against. Thanks!

Last edited by dutchhome on 10th Jul 2025 2:05pm. Edited 1 time in total
Post #720058 20th Jun 2025 10:25am
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dutchhome



Member Since: 26 Feb 2016
Location: Delaware, USA
Posts: 16
United States 2009 Range Rover Supercharged 4.2 SC V8 Bournville

Nobody was able to offer any help so it sounds like it falls to me to write something up Smile

I've ordered what I think i should need:



I have the kit in hand and have ordered the gaskets. I still need to track down the needle bearing puller. I plan to give this a go in the coming weeks and provide an update. The kit description does point to some youtube videos that should help with the job here and here.

For posterity, here is what is included in the snout rebuild kit:
    * 8oz Eaton Synthetic Supercharger oil
    * Genuine OEM Torsion Coupler
    * SKF Brand bearings
    * SKF Viton high temperature seal
    * INA case Needle Bearings
    * Syringe for emptying oil before removal
    * Anaerobic sealant for reassembly




Edit: I think I found the correct needle bearing puller and added the link above.
Post #721123 10th Jul 2025 2:03pm
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dutchhome



Member Since: 26 Feb 2016
Location: Delaware, USA
Posts: 16
United States 2009 Range Rover Supercharged 4.2 SC V8 Bournville

I received a response from the seller of the kit:

Quote:
The M112 superchargers needle bearings are in a thru hole. No special puller is required. I recommend pushing the needle bearings from the inside out using a hydraulic press. I would install them from the inside out also.

Ed


also

Quote:
The puller works on the superchargers from 2010 and newer needle bearings.


So for my 2009 L322 SC I will not need the puller. If you have a newer model you may need it. The videos linked above show how to use it in case you do.
Post #721126 10th Jul 2025 2:31pm
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