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extremely hot lug nuts = ?

Discussion in 'Tech Archive (No Posting)' started by JohnS., Sep 9, 2009.



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  1. JohnS.

    JohnS. BANGARANG Registered VIP Registered OG 5+ Year Member

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    I was taking my front lip off today and the back of my hand touched a lug nut (driver side) and I immediately backed it off. It was hot as hell. I couldn't even touch it for more than a second without pulling away. I didn't touch any of the other wheels but I'll try to remember later when I get to class.

    I just replaced the rotors and pads not even 5000 miles ago. Could it be a bad caliper? How do you test for a bad caliper? I also read that it could be a bad wheel bearing. But my car doesn't vibrate or make noises when turning. It pulls slightly to the left. I got an alignment done 2 months ago back when I had bald front tires. It drove straight as an arrow after it. Then I got new front tires and it pulled slightly to the left.

    I can't afford to have my car in the shop for a day since it's my only car and I work every day and don't even have a bike to ride to work. Any ideas?
     
  2. Esotericimage

    Esotericimage Taking an H-T break Registered VIP 5+ Year Member

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    its heat soak from the rotors.. if its hot, dont touch it!
     
  3. 31dev31

    31dev31 Chillin' Canadian Member Registered VIP Registered OG 5+ Year Member

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    How long were you driving the car before this happened?

    This will help determining if it's normal or it could be a seized caliper.
     
  4. mixwell

    mixwell New Member Registered VIP 5+ Year Member

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    no mention about bad bearings being a culprit? is it the same on the other side?
     
  5. JohnS.

    JohnS. BANGARANG Registered VIP Registered OG 5+ Year Member

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    So hot lug nuts is a normal thing? How do you tell the difference between a hot lug nut caused from a bad wheel bearing / seized caliper from a hot lug nut from heat soak?

    Hmm... Maybe a half hour, city driving (not heavy stop and go, but some).

    Like I said, I forgot to check the other side when I touched the driver side. I'll try to remember to touch the other 3 wheels when I get to class later. It's about a 20 minute drive.
     
  6. projektej8

    projektej8 ------------------------- Registered VIP 5+ Year Member

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    I gues if they are made out of a pretty heat conductive metal, it would just be heat soak from the brake system. The lug nuts are always hot when we take them off at work, if the cars been driven.
     
  7. Jbuck2KCivic

    Jbuck2KCivic New Member Registered VIP Registered OG 5+ Year Member

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    I blame it on the steelies, and the tires probably had something to do with it as well. My vote goes for replacing with new wheels/tires and...problem solved! lol
     
  8. Szady

    Szady D-Series Master Registered VIP Registered OG 5+ Year Member

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    Its just b/c your azn John. Thats your problem, you know. :lol:
     
  9. 31dev31

    31dev31 Chillin' Canadian Member Registered VIP Registered OG 5+ Year Member

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    And your car has a slight pull to the left (driver's) side?

    Might need to get your brakes looked at. If you want to do it yourself: Take your brake caliper off, use a large channel locks and see if the caliper piston will go back in it's bore.
     
  10. Billy.

    Billy. Has returned ;-) Registered VIP Registered OG 5+ Year Member 10+ Year Member

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    its probably heat soak from the brakes. but if you want to check the bearing just jack up that corner of the car so the tire is completely off the ground, then spin the wheel and listen. if it sounds like its grinding then the bearing is probably bad. make sure youre not hearing the brake pad sliding on the rotor though - completely different noise. also the wheel should turn relatively freely and not come to an abrupt stop when you let it go
     
  11. obracer12

    obracer12 New Member Registered VIP 5+ Year Member

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    I had a caliper "hyper extend" on me and lock shut.. melted the hub cap right off the steelie... thankfully it was a rental car and i didn't have to deal with it lol..

    I suggest taking it for a regular drive, and comming back home, and going to all 4 corners to see if they are all hot.. if so heat soak, if not and only that corner coupled with the pull to that side I'd sat it was your caliper, or it not retracting when you get off the brake.. did you grease your pins when you did your break pads?
     
  12. JCCLARK

    JCCLARK The Painter Registered VIP 5+ Year Member

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    Try spinning your wheel when up on a jack, I'll be your
    brake callipers are binding.
    This is exactly why people have brakes that don't last very long, they never clean out their calipers
    and eventually they stop releasing, from all the dirt and water buildup.
    I've seen them so tight I couldn't turn the tire by hand.
    Most shops just replace the caliper, but a good cleaning is all that's needed.
    You have to remove the piston and clean it all out.
    you'd be surprised at the crud I've seen.:cool:
     
  13. matt2122

    matt2122 New Member 5+ Year Member

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    it's a pretty common thing, i wouldn't worry too much about it. if the car tends to pull to the left or right while braking that is usually indicitive of a brake issue, also steering wheel shaking under braking is an indication. last time i toasted a rotor was on my dodge truck.....got a rock stuck between the rotor and pad, pretty ugly. left about a 20mm gouge around the diameter of the rotor
     
  14. Esotericimage

    Esotericimage Taking an H-T break Registered VIP 5+ Year Member

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    thread closed!
     


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