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Thread: Water pump bolts sizes

  1. #1
    Join Date
    May 2017
    Location
    Macedon, Victoria
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    6

    Water pump bolts sizes

    I've just picked up a '99 P38 4.0 and it's missing the water pump. Buying a new pump isn't a drama, but there's no bolts. Can anyone help me out with the sizes so I can buy some?
    Or maybe you have some around the shed you don't need, and if it happens to include a working second hand pump that would be great.

    Cheers T.C.

  2. #2
    Join Date
    Feb 2013
    Location
    Gosford, NSW, Australia
    Posts
    2,389
    Welcome to the madness mate!

    From memory there are two different length bolts used, hopefully someone will have a stripped engine and can help you out

    Regards
    Steve
    MY96 4.6 HSE P38. Niagara Grey; "The Phoenix"
    MY99 4.6 HSE P38. LPG, Blenheim Sliver; "Voldemort" burnt to a cinder
    MY79 RR Classic, Gone, MY57 Series 1 SWB, Long gone
    P38 write ups and info on my website http://p38.hts.com.au/

  3. #3
    Join Date
    Feb 2010
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    Townsville, QLD
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    From memory, of the 10 (I hope I got that right), two of the bolts have an 11mm head too. The rest are 10mm heads.

    Cheers
    Keithy

    Green 2000 P38 Range Rover HSE - Gone
    Blue 1999 P38 Range Rover HSE - Gone

    Silver 2002 P38 Range Rover HSE - Sequential LPG, BCDC Charger, TPMS, Rear Locker, Wheel Carrier, Bullbar & Spotlights, General Grabber AT2's, Too Much to Mention!

  4. #4
    Join Date
    Feb 2013
    Location
    Gosford, NSW, Australia
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    2,389
    mate

    Google Rover V8 water pump bolts and you get a shedload of hits, this one may help.

    Water pump & timing cover bolt threads | Classic Rover Forum

    It seems there are stainless bolt kits available.

    You could also try the RR Classic or Disco II forums on here, they are all basically the same engine, though there are two different timing covers.

    Three long bolts hold the timing cover as well as the water pump.

    Good luck
    Steve
    MY96 4.6 HSE P38. Niagara Grey; "The Phoenix"
    MY99 4.6 HSE P38. LPG, Blenheim Sliver; "Voldemort" burnt to a cinder
    MY79 RR Classic, Gone, MY57 Series 1 SWB, Long gone
    P38 write ups and info on my website http://p38.hts.com.au/

  5. #5
    Join Date
    Feb 2013
    Location
    Gosford, NSW, Australia
    Posts
    2,389
    This kit lists them for the Bosch Engine, no sure what yours is or if GEMS is different

    Water Pump Bolt Kit ( BOSCH Engine ) - Land Rover kits from Atlantic British

    Steve
    MY96 4.6 HSE P38. Niagara Grey; "The Phoenix"
    MY99 4.6 HSE P38. LPG, Blenheim Sliver; "Voldemort" burnt to a cinder
    MY79 RR Classic, Gone, MY57 Series 1 SWB, Long gone
    P38 write ups and info on my website http://p38.hts.com.au/

  6. #6
    Join Date
    May 2017
    Location
    Macedon, Victoria
    Posts
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    Quote Originally Posted by TheTree View Post
    This kit lists them for the Bosch Engine, no sure what yours is or if GEMS is different

    Water Pump Bolt Kit ( BOSCH Engine ) - Land Rover kits from Atlantic British

    Steve
    The one missing the pump and bolts is a 4.0 with the Bosch injection, so I'd say that's the one I need thanks for the info Steve.
    I'll hold off ordering for a bit, just incase someone has what I need here. I'm in no rush.
    Cheers T.C.

  7. #7
    Join Date
    May 2017
    Location
    Macedon, Victoria
    Posts
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    Quote Originally Posted by Keithy P38 View Post
    From memory, of the 10 (I hope I got that right), two of the bolts have an 11mm head too. The rest are 10mm heads.

    Cheers
    Keithy
    That'd be right, why make things easy. Hahaha

  8. #8
    Join Date
    Apr 2009
    Location
    Crafers West South Australia
    Posts
    9,617
    Bolts that go into the engine block are imperial (5/16"UNC) and bolts that go into the timing cover are metric (M8 x 1.25). Any bolt shop should be able to supply suitable bolts, head sizes are unimportant. Add 20mm to the length of every unthreaded hole section and you'll have the bolt sizes worked out within 5 minutes.

    If you don't read the newspaper, you're uninformed. If you read the newspaper, you're mis-informed.
    Mark Twain

  9. #9
    Join Date
    Feb 2013
    Location
    Gosford, NSW, Australia
    Posts
    2,389
    If you scroll down on the page which sells the kit, the bolt sizes are listed
    MY96 4.6 HSE P38. Niagara Grey; "The Phoenix"
    MY99 4.6 HSE P38. LPG, Blenheim Sliver; "Voldemort" burnt to a cinder
    MY79 RR Classic, Gone, MY57 Series 1 SWB, Long gone
    P38 write ups and info on my website http://p38.hts.com.au/

  10. #10
    Join Date
    May 2017
    Location
    Macedon, Victoria
    Posts
    6
    Thanks everyone for the help. I got in contact with Dave from BCC in Melbourne. He was fantastic to deal with, and a top bloke.
    Thanks to him I have a new pump and new bolts on the way at a great price. I can't recommend them highly enough.


    Cheer T.C.

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