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Thread: Water pump pulley bolts

  1. #1

    Dr_Snooz's Avatar
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    1989 Accord LX-i
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    Water pump pulley bolts

    I don't know if this will help anyone else, but I just spent a couple weeks without the Red Car because of this. I lost one of my water pump pulley bolts recently. There was nothing in the junkyard so I had to figure out the size to buy something. The bolts have a 10mm head, but are not the standard 10mm size that Honda uses so frequently. On p. 10-7 of the manual, it lists a size of 6x1.0, but this is wrong. They are fatter and very short. If you get them too long, they will hit the water pump housing and make a mess. They are also a flange bolt (they have an integrated washer in the head). The actual size is M7x1.0x10mm. So, M7 is the shaft diameter; 1.0 is the thread pitch; and 10mm is the length. M7 bolts are hard to find and flanged M7 bolts are impossible. You can find M6 and M8 all day long, but not M7. I was not able to find anything anywhere online: not Amazon, not eBay, not even McMaster-Carr. I ended up going to Home Depot and buying a standard M7 bolt with separate washers. My HD had them in stock. It just took me 2 weeks of searching to find them.

    https://www.homedepot.com/p/Everbilt...5858/100338639

    Hope this saves someone else a big headache.
    Dr_Snooz

    "I like to take hammers, and just break stuff, just break stuff." - Beavis


    1989 Honda Accord LX-i Coupe, 240k miles, MT swap, rear disc swap

    Shop manual downloads available here: CLICK TO VIEW



  2. #2
    LXi User InAccordance's Avatar
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    Re: Water pump pulley bolts

    I dropped one of those changing the pump a while back and about panicked because of this. Rare bolts just like the one that hold the ignition switch in place. Still haven't found any of those..
    Originally posted by ShiRen:
    Nice car or not, nobody likes losing a race to an old 4 door Honda.

  3. #3
    LX User AWH's Avatar
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    Feb 2017
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    Honda Prelude BA2 1987 2.0i-16V. B20A1
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    Re: Water pump pulley bolts

    Snooze,
    I understand you got your Accord running again after a good while of not having it driving at all If so,happy to hear so. A moderator without a running car seems a bit weird.
    Wanted to ask if you are on any of the FB groups,and what username you have on there. Just to know which is you,because I follow for a while now,and might have been talking to you already without even realising.
    Stay healthy in these strange days.

    Verstuurd vanaf mijn E5823 met Tapatalk

  4. #4
    LXi User AC439's Avatar
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    Re: Water pump pulley bolts

    For a while, I thought Richard Thompson on the FB 3geez group was Snooz.......

  5. #5

    Dr_Snooz's Avatar
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    Re: Water pump pulley bolts

    The Red Car is running again! Thanks for asking.

    I have a hard time with Facebook. It seems like half the people there are narcissists ("Look at how cool I am!") and the other half are voyeurs. Zuckerberg is the voyeur-in-chief sucking up large amounts of data about his users, then selling it off without asking for consent. It's not really the sort of thing I want to be a part of, so I've avoided it like the plague. Every so often, I wonder if there's something there worth seeing, but the only thing I really want to do for Zuckerberg is jab my middle finger in his eye for being a creepy dirtbag. I can't, so I stay here, depriving his platform of my knowledge. Maybe I'm all turned around on things. I don't know.

    I keep in touch with some people here by email, PM me if you want my address.
    Dr_Snooz

    "I like to take hammers, and just break stuff, just break stuff." - Beavis


    1989 Honda Accord LX-i Coupe, 240k miles, MT swap, rear disc swap

    Shop manual downloads available here: CLICK TO VIEW

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