W211 E 270 Cdi 2003 brakes sticking !!!!!!

Discussion in 'Wheels, Tyres, Brakes & Suspension' started by 4life211, Sep 2, 2018.

  1. 4life211

    4life211 Active Member

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    Hello my friends .

    This symptoms happens when the brakes are used to much in downhills and in summer.
    So,happens when is hot outside.
    Mostly stick the front left brake.The brake pads and rotors are good .
    If anyone can advise would be great .

    Thanks in advance.
     
  2. GordonTarling

    GordonTarling MB Enthusiast

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    The pistons are probably sticking in the calipers. Either need a good cleaning, overhaul or replacement.
     
  3. OP
    OP
    4life211

    4life211 Active Member

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    Thank you for replaying my friend.
    What about to syringe some oil in piston ?
     
  4. Smart320

    Smart320 MB Enthusiast

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    maybe your life worth a quick squirt of oil, mine would require a full overhaul of the pistons, but then I am a bit particular.
     
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  5. classiccarzone

    classiccarzone Active Member

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    Also check the caliper sliders. Very easy to check them. When they go dry they tend to stick under heavy braking before they seize totally.
     
  6. OP
    OP
    4life211

    4life211 Active Member

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    Thank you for repaying my friend.
    No I don't mean the life depend from oil squirt as you said ,but can't clarify what part is failing .
    Want to test one by one .
    What do you think?
     
  7. clk320x

    clk320x Hardcore MB Enthusiast

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    Also when working on the brakes make sure you remember to disable SBC
     
  8. OP
    OP
    4life211

    4life211 Active Member

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    Thank you all for replaying.
    Replaced the caliper with used one and it seems working fine .
    Hope it goes well.

    Sent from my GT-I9300 using Tapatalk
     
  9. OP
    OP
    4life211

    4life211 Active Member

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    Hello again

    After replaced the caliper with used one ,again when it is hot outside is stuck again.
    Same symptoms.Money in trash .

    Please can anyone help me ?? I repeat that it happens only when it gets hot outside!!!
     
  10. OneForTheRoad

    OneForTheRoad MB Enthusiast

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    caliper slide pins sticking, or sticking piston are the 2 things that it can be. strip and clean and re grease with a rubber kind grease like white lithium . other than that change the flexi hose. brakes get hot when you press the pedal metal expands when hot , the weather wont be a factor . buy a recon caliper from brakesint and be safe in the knowledge it will have all new internals and work as expected .
     
  11. OP
    OP
    4life211

    4life211 Active Member

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    Thank you for replaying my friend.
    I have replaced the caliper with used one as I said before .The used one works fine ;checked the pins and are greased with white grease as you said.Also the caliper looks fine.Now I don't know what to change next.The brake pads are almost in finish and maybe I should consider replacing them (they are cheap one).But,why this happens only on the left side and when it warms???
     
  12. OP
    OP
    4life211

    4life211 Active Member

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    Replaced brake hose and same problem persist .
     
  13. clk320x

    clk320x Hardcore MB Enthusiast

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    Where are you based?
     
  14. OP
    OP
    4life211

    4life211 Active Member

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    Based in Milano at the moment.
     
  15. OP
    OP
    4life211

    4life211 Active Member

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    So,my friends.
    Replaced brake pads and no sticking anymore.
    The old brake pads were cheap and they can't be consumed anymore.They produce too much of heat so I think that the brake fluid expands and the SBC didn't worked correctly .

    Till now replaced caliper,brake hose (money trash ).

    I just can't understand why the problem showed only on front left tire ?
     

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