Bonneville Fuel Pump Torque

Discussion in 'Technical Help' started by TonyG, Jun 6, 2019.

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  1. TonyG

    TonyG Well-Known Member

    Dec 1, 2016
    170
    93
    Chalfont
    Hi,

    I've decided to splash out on a little torque wrench. Now that I'll be using it I'm hoping someone can confirm the fuel pump mounting bolts torque. My Haynes manual says 5nm, but I've seen it listed at 9nm online. 5nm seems correct to me, it's just setting a thick rubber seal. Can anyone confirm?

    Thanks
     
  2. Ron Ashurst

    Ron Ashurst Non of your damned business
    Subscriber

    Oct 16, 2018
    3,825
    800
    the Pits of Hell
    I can not confirm but due to the bolt size involved 5 Nm is plenty. 9 Nm might be to much.
     
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  3. TonyG

    TonyG Well-Known Member

    Dec 1, 2016
    170
    93
    Chalfont
    Thanks, I'll stick with 5nm as you suggest.
     
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  4. capt

    capt Senior Member

    May 8, 2016
    1,281
    250
    western Australia
    Just do up FT by hand with the appropriate spanner size.
    It's always worked for me.

    Capt
     
    • Agree Agree x 1
  5. Tricky-Dicky

    Tricky-Dicky Senior Member

    Dec 12, 2016
    608
    243
    Norfolk UK
    I'm afraid the concept of using a torque wrench on small bolts/nuts is alien to me i would just tweak it up until it felt right.
     
    • Agree Agree x 3
  6. TonyG

    TonyG Well-Known Member

    Dec 1, 2016
    170
    93
    Chalfont
    I have always just done things up at this small torque by hand as well, it's just that there are 12 bolts securing a pretty vital rubber seal and I just wanted to get them even. If I had the tank back from the painters I would have just got on with it, but am still waiting which led to me ruminating, which led to me buying the torque wrench. It's quite interesting as 5nm has even less feel to it than I imagined.

    Cheers
     
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