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Thread: 7th gen Accord Legend GS dual piston caliper conversion

  1. #1
    Tuner sy272004's Avatar
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    7th gen Accord Legend GS dual piston caliper conversion

    well Tim did his on I4 and im sure its not much different from v6 but i got pics lol :)
    this i just a guide, im not responsible for your mistakes, use shop manual if you not sure with something and of course common sense. if something doesn't fit then dont force it in

    parts needed:

    94-95 Legend GS 2 piston calipers
    94-95 Legend GS
    1 or 2 bottles of Honda brake fluid (for bleeding brake lines)



    tools needed
    14mm socket (for caliper bolts)
    14mm wrench (for caliper bolts)
    17mm socket (for caliper bracket bolts)
    17mm wrench (for caliper bracket bolts)
    19mm open ended wrench (to hold caliper nut to take off caliper bolt, sometimes its needed)
    10mm wrench(for bleed valve)
    impact philips screw driver (to unscrew rotors screws)
    if you have flex head wrachet that will help a lot
    preferably torque wrench
    Hammer
    paper towels or somekinda rug or old tshirts, to keep brake fluid leaving all over the place


    Step 1: Take off your wheels

    remember: righty tighty, lefty loosy lol
    Step 2: unscrew bolts that hold calipers, one on top and one on bottom. leave one of the bolts in couple threads until you get other bolt off, this will make your life easier. sometimes you have to hold 19mm "nut" to take off 14mm bolt on caliper.
    take off caliper and put it on top of hub for now so it doesnt fall off. do not take off brake line off until you install new caliper on, 1 because you will let more brake fluid out then needed, 2 you want to make sure new caliper is good before going further!!!!!!


    Step 3: take off 2 bolts that hold caliper bracket, use 17mm socket. you have to take off caliper bracket to get rotors out and/or paint them if you want.


    Step 4: Use impact philips screw driver to take off 2 screws that hold Brake rotor to the hub, you might need to use hummer to get rotor off the hub.

    Step 5 is optional: either you get new rotors or get old once resurfaced(recommendation: GET NEW ONCE!!!)

    Step 6: Put new or resurfaced rotor back on and put screws back in and tighten them.

    Step 7: Put brake caliper bracket back on and torque bolts to specs
    Note: i didnt replace anything on my brackets (seals or sliding bolts but its recommended since you get them with calipers and i will do it when i take off brackets off for painting)

    Step 8: put new brake pads in and test fit caliper. if it goes over new pads fine then continue to step 9, if not then see notes. you might need to put anti-squeal stuff on, i didnt and now brakes squeal because i don't have shims on.
    note: if you using new brembo blanks and maybe other rotors and EBC green stuff, you will need to take shims off because caliper would not fit over mine
    Important Note: you have to replaced OEM Right caliper with GS Left caliper for reason to have bleed screw at the top


    Step 9: Put new caliper on, put bolts in and torque them to specs (will put specs in later on when i get them from shop manual). don't forget to put any retainer springs that supposed to come with rotors.


    Step 10: now that you know everything fits, take off brake line from old caliper and put it on new one(yes accord line fits legend calipers. tighten the brake line bolt to specs. DO NOT FORGET WASHERS FROM EACH END OF BRAKE LINE ON BOLT


    Step 11: bleed new calipers (you will need another human for this)

    Step 12: go back and make sure you tighten all bolts

    Step 13: go back again and make sure you tighten all bolts, you dont want brakes fail when you go for brake in drive

    Step 14. put wheels back on and torque bolts to spec

    Step 15: go out on road and brake in pads according to instructions
    can be found here http://elitecm.net/forums/viewtopic.php?f=28&t=638

  2. #2
    And What! BlitZaccord's Avatar
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    lol at step 11 "(you will need another human for this)".

    Good write up!


    "If you don't have time to do something right, when will you have time to do it over"

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    bitchslap'd styldaccordngly's Avatar
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    snap-on whore.....
    One has a moral responsibility to disobey unjust laws.. live life now as you wish to in the future, else you'll be forever trapped in the past... Whoever thought forever could be severed by a sharp knife of a short life.. I Do Because I Can, I Can Because I Want To, I Want To Because You Said I Couldn't..

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    Tuner sy272004's Avatar
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    Quote Originally Posted by styldaccordngly View Post
    snap-on whore.....
    not mine. its at my friends shop. dont have that much money to spend on tools

  5. #5
    Tuner sy272004's Avatar
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    seen RS32 yesterday and noticed they have dual piston calipers in front as well

    and saturn hybrid suv has them too.

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    Very nice write up!

    How's the brake bias? Is it similar to stock?
    Any improvements on braking distance?

  7. #7
    Tuner sy272004's Avatar
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    Quote Originally Posted by HA_V6 View Post
    Very nice write up!

    How's the brake bias? Is it similar to stock?
    Any improvements on braking distance?
    brake bias was messed up. more nosedive but i guess its from better braking.
    didnt test braking distance but i will try to test either that with somebody with same car and stock brakes or test braking Gs, but it will be hard to do since you need same tires couse tires do make huge difference

    i corrected this by putting 12.3" rotors in back
    http://board.accordtuner.com/showthread.php?t=40844
    http://s157.photobucket.com/albums/t...ear%20upgrade/

  8. #8
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    Don't brake test too hard now...I've always done a 500 mile break in period where I don't' (or try not to) brake hard at all. I know after my conversion, I braked much better sometime after the 500 miles.

  9. #9
    Tuner sy272004's Avatar
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    brakes been on for more then 500 miles. already went through 3-4 tanks of gas after i put rear on on sept 3rd

  10. #10
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    Was it still nose diving with the bigger rear rotors?

  11. #11
    Tuner sy272004's Avatar
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    yeah its more balanced now

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