Epic wrenching fail

I'm trying to replace my rear break pads. They have been making a sound for like one week.

I bought a 650Nm impact gun, I didnt consi. I tried to remove the tyre with it, it wont fricking move. Seems like its not powerful enough.
Whats the minimum Nm required?

Also its possible the break pads I bought are not even the right ones. I wont know until I manage to remove the tyre.

Should I just take the L and have a garagist replace my break pads this last time? Or risk driving it? I drive 80km total everyday for work. The garagist always charge about 200€ the job on two tyres, doing it myself doesnt even cost 30€ but risking my life for 200€ seems dumb.

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  1. 1 month ago
    Anonymous

    >Also its possible the break pads I bought are not even the right ones.
    how do people do this? stepdad also did this recently
    all you do is stick your make/model/year or VIN into the computer and it tells you what brake pads to get
    are you people just grabbing random pads off the shelf or what?

    • 1 month ago
      Anonymous

      >all you do is stick your make/model/year or VIN

      I havent found a website that makes it so easy.
      My vin is not recognized.
      I'm in europe so we dont have the same quality of service as americans.

      • 1 month ago
        Anonymous

        autodoc.

      • 1 month ago
        Anonymous

        you legit moronic and should not work on cars without somebody competent to double check and moron should have bought breaker bar for wheel bolts

        • 1 month ago
          Anonymous

          I watched a youtube video that used an impact gun when his breaker bar failed to get the job done. So I thought Id directly just buy an impact gun.

          How does this makes me a moron? We dont all have people to babysit our wrenching adventures.

          • 1 month ago
            Anonymous

            You clearly don't understand how much (or little) torque that chink impact guns promised (not actual) 650Nm is.
            The guy on the video wasn't even fricking trying to open it by hand, or his breaker bar was really short.
            If you got a 1m long breaker bar and you stand on it with say 70kg body mass, you got about 700Nm of torque on the nut. Put the 1m long breaker bar in a position where you can lift with your legs and you'll easily get over 1500Nm of torque.

          • 1 month ago
            Anonymous

            the impact gun rating might be some '1 nanosecond impulse maximum'. It's the constant torque that opens bolts.

          • 1 month ago
            Anonymous

            >It's the constant torque that opens bolts
            as in constant pressure over a longer period of time? because that's how you round or snap bolt heads off

  2. 1 month ago
    Anonymous

    have you ever removed the tyre?
    use manual tool. you need massive lever if the bolts are rusted. use rost flash pro if needed.

    Always buy accessories by your registration number. You cannot even change the pad as you wont have the tool that pushes the brake piston in.

    • 1 month ago
      Anonymous

      >tool that pushes the brake piston

      I was thinking of using tweezers.
      I have a mazda 3 2016, the piston twists and turns

      • 1 month ago
        Anonymous

        https://www.auto-doc.fr/
        Saisie du numéro d'immatriculation

        use that

        tweezers won't help unless the caliber is new. the set won't cost much if you find a place that won't charge much. this costs 20 euros to 70 euros. depends who sells it.

        • 1 month ago
          Anonymous

          I appreciate your effort anon, but I'm in Belgium.
          I selected the right model for my car, but the breaks pads seem excessively small compared to the videos I watch. Wait and see I guess.

          have you ever removed the tyre?
          use manual tool. you need massive lever if the bolts are rusted. use rost flash pro if needed.

          Always buy accessories by your registration number. You cannot even change the pad as you wont have the tool that pushes the brake piston in.

          >have you ever removed the tyre?
          never. Sick of getting ass raped so I'm on my journey to stop being a wrenchlette.

          • 1 month ago
            Anonymous

            Rear brakes are often much smaller than front brakes. You need a big breaker bar to free the wheel nuts. An additional cheaper pipe will help too. Something like this:
            https://www.harborfreight.com/12-in-drive-25-in-professional-breaker-bar-64820.html

          • 1 month ago
            Anonymous

            Close to Aalst? I have a lift and a non-chinese impact gun

          • 1 month ago
            Anonymous

            hello belgian fren.
            I went and bought a breaker bar and it worked.
            I still havent done the job because it was raining today

            this
            an impact gun by itself is a useless tool
            to get wheels off right you need a breaker bar (aka a non-ratcheting socket wrench) to crack the lugs open while the car is on the ground, then lift and use the impact to get the lugs off the rest of the way.

            then the most important part is putting them back on. you DO NOT want to use the impact gun except maybe to get the lugs started. you should own a click-type or beam-type torque wrench so that you can ensure all your lug nuts are the same torque.
            this is critically important because the wheel and lugs keep the brake disc on, and uneven wheel torque can lead to brake "warping" and uneven pad wear as well as random vibration.

            >lug nuts are the same torque.

            None of the youtube tutorials I watched mentionned this. How do I do this without a fancy torque wrench?

          • 1 month ago
            Anonymous

            you can't
            go buy a real torque wrench, just the cheap bendy beam type is perfect for wheels and you never have to worry about it losing calibration like a clicky. You don't need to spend a lot like $15/20 maybe less. harbor freight and walmart tier are perfectly fine

            when you use an impact gun to put lugnuts back on, you are NOT supposed to just ugga dugga them. There are these things called torque sticks that bend at a specified torque to that you can get them all to spec easily. You would still want to verify with a handheld torque wrench but these are how you would go about properly zipping the nuts back on without a "fancy tool".

            I have a friend who does this and has repeatedly blamed his wife's driving for warping brake rotors he installed lol

            >wrenchlet gives his take

            this is actually a problem with my car and uneven, overspec lugnut torque causes insane vibrations at high speed and weird brake wear. I have spacers installed and I ugga duggad them at first but after I backed off to spec 100ftlb the vibrations went away.

          • 1 month ago
            Anonymous

            Come wrench with me, near Aalst, I'm a shitbox connoisseur

          • 1 month ago
            Anonymous

            I'm a shitskin and you flemish frickers are racist as frick, especially in Aalst. If you are one of the bad, non-racist flemish apples, give me your contact detail. Maybe discord? I also have telegram but my main phone is broken.

          • 1 month ago
            Anonymous

            How brown are you? I'm Belgiki on basedcord.

            [...]

            No

          • 1 month ago
            Anonymous

            >How brown are you?

            off to a great start

          • 1 month ago
            Anonymous

            least racist flemish

          • 1 month ago
            Anonymous

            kwab

          • 1 month ago
            Anonymous

            >I'm a shitskin
            Black folk shouldn't be allowed to drive or own cars

        • 1 month ago
          Anonymous

          >buying the entire kit when you can just use the cübe.

          • 1 month ago
            Anonymous

            Those don't work on all pistons, specifically flat surfaced ones.

          • 1 month ago
            Anonymous

            I don't understand how this hyberkube is doing the compressing motion? It probably does it's job on calibers that are under 5 year old.

        • 1 month ago
          Anonymous

          Just use a big G-Clamp and the old pad to push the fricker back in.

          Don't forget to grease your slider pins too.

  3. 1 month ago
    Anonymous

    how are you unable to remove the tire
    just use the fricking lug wrench

    • 1 month ago
      Anonymous

      his guy probably has torqued them to 300 Nm so OP will go back. he needs one meter lever.

    • 1 month ago
      Anonymous

      >lug wrench
      I dont have it. The car doesnt come with it nor a spare tyre. There is some kind of glue/product one is supposed to use, in case of a a flat tyre. Never happened to me though.

      his guy probably has torqued them to 300 Nm so OP will go back. he needs one meter lever.

      My impact gun is supposed to be 600Nm so it should be enough right? Maybe I dont have the right socket?

      • 1 month ago
        Anonymous

        does it have torque selector? Did you recharge it full? i doubt its 600 Nm that is an enormous amount.

        • 1 month ago
          Anonymous

          If the lug is rusted out a regular impact might not be enough

        • 1 month ago
          Anonymous

          No torque selector, only a direction selector.
          Righty tighty, lefty loosy.
          Yes fully charged.

          >Maybe I dont have the right socket?
          the socket either fits or it doesn't fit, how can you not tell?

          It fits. But doesnt turn when all is connected. Just is some kind of smoke coming from the bolts when I try to loosen it, and the edges seem to get damaged.

          • 1 month ago
            Anonymous

            >Just is some kind of smoke coming from the bolts when I try to loosen it, and the edges seem to get damaged.
            So you have stripped the theads on the lugnuts and studs?
            Can you post a video about what happens?

          • 1 month ago
            Anonymous

            Are you using the right size adaptor?

      • 1 month ago
        Anonymous

        >Maybe I dont have the right socket?
        the socket either fits or it doesn't fit, how can you not tell?

      • 1 month ago
        Anonymous

        Did you remember lefty loosey, righty tighty?

  4. 1 month ago
    Anonymous

    You bought a cheap piece of shit impact, of course it doesn’t work.

    Just go buy a socket and breaker bar, it should cost less than $20.

    And since you seem like a dumb moron, make sure to loosen the lugs before you jack up the vehicle.

  5. 1 month ago
    Anonymous

    On cheap impacts they overestimate the torque by ridiculous amounts - that 650 could be 200 or less in actuality. Even good brands typically overstate it by 2X

  6. 1 month ago
    Anonymous

    try just a nudge in clockwise and then reverse

  7. 1 month ago
    Anonymous

    i would suggest this kind of long torque wrench. it gives enough lever to open those nuts. also torque them right when you put them back.

    • 1 month ago
      Bepis

      This is a bad idea. You’re probably going to wreck the torque wrench using it as a breaker bar. Just buy a cheap fricking breaker bar.

      • 1 month ago
        Anonymous

        Or stick a metal pipe over your regular tire iron. He's right though, do not use the torque wrench.

      • 1 month ago
        Anonymous

        I have never wrecked these. It is rated for 200 Nm+ (real, not fake like 600 Nm eDrill). it will open. And it usually don't have the torque selection for open just for close.

  8. 1 month ago
    Bepis

    >buying no-name Chinesium power tools
    Your 30,000,000 lumen flashlight from China is probably brighter than the sun too

  9. 1 month ago
    Anonymous

    A breaker bar got the job done.
    I cant believe I got chinked out of my hard earned 100€

    • 1 month ago
      Anonymous

      Simple tools and physics are the way.
      Keep adding additional crescent wrenches on to each other for infinite leverage.

    • 1 month ago
      Anonymous

      Can't beat a good breaker bar

  10. 1 month ago
    Anonymous

    I will try to return it whish me luck.

  11. 1 month ago
    Anonymous

    Why would you buy a rechargeable impact gun if you have no hand tools to start with? Buy some wrenches, a ratchet and some sockets. Add power tools once you've done enough to know what you need.

    • 1 month ago
      Anonymous

      this
      an impact gun by itself is a useless tool
      to get wheels off right you need a breaker bar (aka a non-ratcheting socket wrench) to crack the lugs open while the car is on the ground, then lift and use the impact to get the lugs off the rest of the way.

      then the most important part is putting them back on. you DO NOT want to use the impact gun except maybe to get the lugs started. you should own a click-type or beam-type torque wrench so that you can ensure all your lug nuts are the same torque.
      this is critically important because the wheel and lugs keep the brake disc on, and uneven wheel torque can lead to brake "warping" and uneven pad wear as well as random vibration.

      • 1 month ago
        Anonymous

        >wrenchlet gives his take

        • 1 month ago
          Anonymous

          If you've got enough experience to know what 90 ft-lbs feels like you can probably do without a torque wrench. OP doesn't have enough experience to do a brake job, he 100% needs the torque wrench.

          • 1 month ago
            Anonymous

            Just put the gun to 2 and give it 3 duggas

          • 1 month ago
            Anonymous

            I have a friend who does this and has repeatedly blamed his wife's driving for warping brake rotors he installed lol

  12. 1 month ago
    Anonymous

    Grab an old ratchet wrench without the rubber handle and stick a metre long pipe on it.
    If that doesn't unhook the nuts, nothing will

  13. 1 month ago
    Anonymous

    Congratulations OP on beginning your quest to no longer be a wrenchlet.
    Doing my own work has saved me tens of thousands of dollars over the years, not just from labor costs, but also by not getting fricked by dishonest mechanics.
    You will probably make a few mistakes as you learn, but you’ll overcome them somehow as long as you don’t throw in the towel. Remember to walk away for a minute if you’re getting pissed off and refrain from throwing things.
    I believe in you Pierre

  14. 1 month ago
    Anonymous

    Spelling "brake" as "break" should be grounds for a permanent ban.

    • 1 month ago
      Anonymous

      go tell that to all the shitskins in your country and leave other nationals alone

  15. 1 month ago
    Anonymous

    Why do weakgays think they need power tools to remove a tire? You pull up on the socket wrench not push down on it, you get deadlift leverage. Even a weak male should be able to deadlift like 150lbs and I don't think that shit is torqued to 150+ ft/lbs. Learn leverage, pulling further away from the center makes it easier, a breaker bar could even be useful but I use the trunk tools and have always been able to do it.

    If the pads don't fit try being less moronic and get the right size. If they're unused in box they might let you exchange them.

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