Is there any people who have front drumbrake FJ60/62/70/73 ?

Discussion in '60-Series Wagons' started by schaats, Jul 1, 2005.

  1. schaats

    schaats

    Messages:
    284
    Likes Received:
    5
    Joined:
    Apr 3, 2005
    Location:
    Kyunggi, South Korea
    I have FJ62 with front drumbrake.
    Somedays ago, I catched problem with brake master cylinder.
    I completely disassempled master cylinder and found that piston's rubber cup is torn.
    So, I asked to toyota and they said not only repair kit(04493-60130) but master cylinder(47201-60330) was discontinued. :mad:
    It has 1 1/16" bore (how big diameter!)
    To figure out, I tried many things and finally gor US FJ62's brake master cylinder and installed. But it didn't operate well.
    That 7/8" bore of master cylinder is for front disc brake land cruiser.
    It operates always as sponge pedal although I did bleeding very well.
    It's very urgent to me... Is there any people who could help me ?
     
    Last edited: Jul 1, 2005
  2. Doc

    Doc

    Messages:
    5,925
    Media:
    33
    Albums:
    1
    Likes Received:
    420
    Joined:
    Apr 26, 2004
    Location:
    Utah
    There are many toyota master cylinders with 1" bore. Supra, 84 4-Runner, 82 4x4 pick up, etc... it's not 1 1/16, but it's better than 7/8" .

    Also PM, CruiserDan on this forum, he's a toyota parts guy and will let you know if the part you need is available.
     
  3. schaats

    schaats

    Messages:
    284
    Likes Received:
    5
    Joined:
    Apr 3, 2005
    Location:
    Kyunggi, South Korea
    Thank you for your answer.
    I also tried install 1991 FJ80's 1" bore of master cylinder but it's same result with US FJ62's master cylinder.
    I compared my drum brake cylinder with US FJ62's cylinder.
    They have same outer length but when compare inside member, length of piston is different.
    I suppose it might caused by difference of drum brake and disc brake.
    It's very big problem for me......
     
  4. tcb

    tcb

    Messages:
    2,775
    Media:
    3
    Albums:
    2
    Likes Received:
    178
    Joined:
    May 2, 2005
    Location:
    Swinging from a vine.
    have you tried the International Tech forum? There might be somebody over there with a fix for you.
     
  5. schaats

    schaats

    Messages:
    284
    Likes Received:
    5
    Joined:
    Apr 3, 2005
    Location:
    Kyunggi, South Korea
    Oh, I didn't think about international forum. Thank you !
     
  6. baldredhead

    baldredhead

    Messages:
    536
    Likes Received:
    4
    Joined:
    Oct 28, 2004
    Location:
    bay area, ca
    this isn't much help... but i saw pictures of mounting an 80s (?) GM truck mastercylinder. it looked pretty straight forward. i believe thebore is 1 1/8 "
     
  7. beanz2

    beanz2 Moderator

    Messages:
    2,126
    Likes Received:
    7
    Joined:
    Nov 16, 2002
    I seem to recall there is a 1 1/6" bore master off a Toyota truck somewhere in the 90's, but I think the main reason your brakes still feel spongy is because the proper residual pressure valve for the front brake circuit is not there. The drum brake shoe return springs are just simply too powerful to overcome the disc brake-rated RPV in the new master, each time resulting in you having to pump up the brakes to get enough fluid to fill the brake slave cylinders.

    The smaller MC bore should only result in you having to push deeper into the brake before you get braking action.

    Try installing an inline drum brake RPV (check Summit Racing) in the front circuit. Otherwise you can try your dealer for 47201-60260 as a master cylinder off an FJ70/FJ73. They use the identical brake cylinders as your FJ62.

    Dave
     
  8. schaats

    schaats

    Messages:
    284
    Likes Received:
    5
    Joined:
    Apr 3, 2005
    Location:
    Kyunggi, South Korea
    Thank you beanz2,
    It's absolutely correct !
    I asked about 47201-60260 to Toyota Korea, but they said same, discontinued. :mad:
    Because Land cruiser was not imported to korea officially, it's very hard to get proper parts.
    47201-60260 master cylinder uses same repair kit with my old cylinder.
    (I checked this using EPC)
    So, I hope can get proper repair kit.....
     
    Last edited: Jul 1, 2005
  1. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
    By continuing to use this site, you are consenting to our use of cookies.