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Thread: S-type supercharger removal (with pics)

  1. #11
    Senior Member Stagnite's Avatar
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    His technique is to remove the four bolts that hold the throttle body elbow onto the supercharger. Once they are separate, there is just enough movement to allow the elbow to be moved enough to allow a long open ended spanner to reach the rear supercharger fixing bolt. Once off, the rear bolt hole in the s/c is slotted to make it a lot easier to re-fit as the bolt can then be located before the supercharger is in position.

    I'll try this technique when I carry out the procedure then the weather warms up a bit.
    Currently enjoying:
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  2. #12
    Senior Member paulkebab's Avatar
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    I left the EGR valve on the throttle body, just remove the 2 bolts from the exhaust but they're a pig and make sure the socket is absolutely square on. Lots of PlusGas and swivel-joint adapters. If I knew what I knew before I did the job, I'd run the engine to get those bolts hot first.
    Previous : 1992 3.2 XJ40, 1997 4.0 V8 XJR - Current 2003 4.2 Black STR

  3. #13
    Senior Member Stagnite's Avatar
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    Quote Originally Posted by paulkebab View Post
    I left the EGR valve on the throttle body, just remove the 2 bolts from the exhaust but they're a pig and make sure the socket is absolutely square on. Lots of PlusGas and swivel-joint adapters. If I knew what I knew before I did the job, I'd run the engine to get those bolts hot first.
    Did you then remove the EGR and the elbow to allow you access to the rear s/c bolt?

  4. #14
    Senior Member paulkebab's Avatar
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    That's correct Stagnite, and the throttle body. I also found a small split in the EGR pipe so renewed that too, the new design is far better than the old one. I just took everything off if only to replace all the gaskets and inspect everything etc, 11 years can take its toll on rubber seals.
    There's so much in the way and I wouldn't say my hands are big but space is non-existant. Not something I'd like to do again!

    EDIT : The rear bolt sits in a depression so it's not as simple as an open ended spanner, it needs to be bent at a certain angle too. I believe on the later models Jaguar did away with that rear bolt.
    Previous : 1992 3.2 XJ40, 1997 4.0 V8 XJR - Current 2003 4.2 Black STR

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