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  1. #1
    Join Date
    Jul 2010
    Location
    Montreal
    Posts
    17

    Default 2004 XC70 Brake - Cliper Spring Photo Needed

    Hi Guys
    Did me brakes over the weekend and I think I did not place the caliper spring in the right place. The brake pedal is to soft, so if someone could send me a photo for the right position of the caliper spring it would be appreciated.

    Stephen
    XC 70 2004 - W/Winter & Summer tires

  2. #2
    Join Date
    Mar 2011
    Location
    UK
    Posts
    41

    Default

    The spring is just to stop the pads rattling and shoudln't have a noticable effect on the brake feel.

    Are sure you didn't let any air into the system?

  3. #3
    Join Date
    Feb 2010
    Location
    Virginia Beach
    Posts
    4,114

    Default

    NO - the spring is NOT just for anti-rattle.

    It applies tension to the pads to hold them in the correct position - install it wrong, and as this poster has found out, the pistons retract too far into the caliper after each application and bingo - NO BRAKES. If the pedal is going half way to the floor with good hydraulics (no air in them) then you've got the spring on wrong.

    This picture is of an S-40, but the caliper is the same...to get the spring back on correctly is relatively tough, requires some stretching with pliers...
    Last edited by Astro14; 05-31-2011 at 05:59 AM.
    Current Fleet:
    2016 Tundra Crewmax 4WD 1794
    2005 MB S600 (126K, Michelin AS4, HPL 0W40)
    2005 MB SL600 (55K Michelin AS4, Mobil 1 0W40)
    2004 V70R (143K, six speed M66, HPL 5W40)
    2004 XC90 (235K, HPL 0W30 Euro)
    2002 V70-XC (295K, HPL 0W30 Euro)
    2002 V70-T5 (225K, IPD bars, Bilsteins)
    2001 V70-T5 (125K, IPD downpipe, cat back and other mods)
    1932 Packard Sedan (straight 8, dual sidemounts, original paint and interior, Shell Rotella 15W40)

  4. #4
    Join Date
    Jan 2008
    Location
    Arlington/Newport News, VA
    Posts
    929

    Default

    I second what Astro said... I had the same experience and it was pretty scary when it first happened!

    '05 XC70
    -Pioneer Avic F700bt headunit
    -12 inch Alpine Type R Sub
    -Flat Black Pegs
    -Custom Tinted Windows
    -Custom Mesh Grille
    -OBX Catback Exhaust
    -IPD Silicone Hoses

  5. #5
    Join Date
    Mar 2011
    Location
    UK
    Posts
    41

    Default

    I thought the arrangement was a little odd when I fitted all the new kit and this isn't helping! Guess I'll keep an eye out for some r brakes.

    I doubt however the piston is retracting too far, rather it's the spring that keeps the whole assembly under tension in the correct position on the sliders when the piston retracts.

    I certainly noticed it brings everything into alignment when fitted correctly. They're worryingly loose without the spring fitted.

  6. #6
    Join Date
    Jul 2010
    Location
    Montreal
    Posts
    17

    Default

    Thanks Astro14's for the photo. I did place the spring the in wrong place.
    I repositioned the spring in the correct position and it fixed my problem.

    Stephen
    XC 70 2004 - W/Winter & Summer tires

  7. #7
    Join Date
    Jun 2010
    Location
    Rhode Island
    Posts
    363

    Default

    Yeah, you also have to make sure you dont bend the clip the wrong way. The place where i bought my S60 from had someone do new rotors and pads all around. Last week i had the worst rattle going over bumps. Got it on my uncles lift, and the guy that put it on bent it, so the pad was loose, causing it to rattle.
    2001 V70XC (132K)
    1993 940 (247K)
    2002 S60 T5M (200K)

  8. #8
    Join Date
    Feb 2010
    Location
    Virginia Beach
    Posts
    4,114

    Default

    Thought of you guys as I rotated tires on the T-5 this evening.

    Here are a couple of pics, one front, one rear, showing the spring installed.

    Incidentally, I have 35,000 miles on these brakes - there is more than 70% pad thickness remaining and virtually no wear on the rotors. If you are replacing pads - go ceramic...
    Current Fleet:
    2016 Tundra Crewmax 4WD 1794
    2005 MB S600 (126K, Michelin AS4, HPL 0W40)
    2005 MB SL600 (55K Michelin AS4, Mobil 1 0W40)
    2004 V70R (143K, six speed M66, HPL 5W40)
    2004 XC90 (235K, HPL 0W30 Euro)
    2002 V70-XC (295K, HPL 0W30 Euro)
    2002 V70-T5 (225K, IPD bars, Bilsteins)
    2001 V70-T5 (125K, IPD downpipe, cat back and other mods)
    1932 Packard Sedan (straight 8, dual sidemounts, original paint and interior, Shell Rotella 15W40)

  9. #9
    Join Date
    Jan 2010
    Location
    Sarasota, FL
    Posts
    447

    Default

    Astro,

    when you have a free weekend paint those calipers red
    John, '01 V70 T5
    '04 V70 2.5T

  10. #10
    Join Date
    Aug 2007
    Location
    Toront, Ontario, Canada
    Posts
    120

    Default

    Quote Originally Posted by jda2000 View Post
    Astro,

    when you have a free weekend paint those calipers red
    Astro is indeed a professional.

    He left the calipers rusty as it's nothing to do with functions.
    But actually the brakes are neat. The brake/wheel contact surface is extremely clean since it is so important for securing the rim and eliminating any vibration. And this is for safety.

    From the photo I finally find out one thing he is not good at: Taking pictures.
    Sorry, for the spring, the focus is not correct, .

    Everybody have a nice day !

    Howard
    2003 XC70, Blue, 198KKm, FL bearing & DIM replaced, no other major issues yet.

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