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Thread: Wheel balance queries

  1. #1
    1,000 rpm - releasing the clutch Aki yuno's Avatar
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    Wheel balance queries

    Hi guys,

    I fitted two new wheels to my 5. She misbehaved at a round about and she got intimate with a crash barrier so I needed new wheels among other things. I ask could the wheels cause it pull in one direction if they weren't balanced? The new wheels I got are on the front and I worry that the new wheels are causing the issue.

    I also have an issue with something smelling like it's burning in the engine bay after the accident too. It seems either the auxiliary belt or the timing belt. Any addition thoughts on they would be welcome too.

    Thanks again from the British imbecile.

    Aki


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  2. #2
    6,000 rpm - mere mortals would shift NCGreasemonkey's Avatar
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    I would have to say no on a wheel, that is new as long as they are identical, causing a pull.

    I would look closer at a brake problem since you are getting a burning smell. The impact may have bent one or more of the slides for the calipers. If you have a binding caliper it can over heat the pads and rotor. Plus cause a pull.

    Hope this helps and Peace fellow nut! Only the unasked questions are dumb!
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  4. #3
    1,000 rpm - releasing the clutch Aki yuno's Avatar
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    Quote Originally Posted by NCGreasemonkey View Post
    I would have to say no on a wheel, that is new as long as they are identical, causing a pull.

    I would look closer at a brake problem since you are getting a burning smell. The impact may have bent one or more of the slides for the calipers. If you have a binding caliper it can over heat the pads and rotor. Plus cause a pull.

    Hope this helps and Peace fellow nut! Only the unasked questions are dumb!
    Thanks for your response.

    I had initially ruled that out because the assembly was inside the wheel, and I technically just glanced off the barrier and didn't do anything else really! How would I know if it was the calliper or any combination there of?


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  5. #4
    6,000 rpm - mere mortals would shift NCGreasemonkey's Avatar
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    Quote Originally Posted by Aki yuno View Post
    Thanks for your response.

    I had initially ruled that out because the assembly was inside the wheel, and I technically just glanced off the barrier and didn't do anything else really! How would I know if it was the calliper or any combination there of?

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    Pull the wheels and see if one hub turn easier than the other. See if the rotors have the same hue, not blue. Blue color is bad! Smell for burning scent of the pads on one side. You can remove the rotor and see if the caliper slides full distance with little resistance.

    For guide lines to basic car problems:

    Balance is a shake. Unless it is when you brake. That is rotors that are in need of repair/replacement.

    Alignment is a pull. But can be tire wear or deformity.

    Peace!
    ... Rick

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  7. #5
    1,000 rpm - releasing the clutch Aki yuno's Avatar
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    Quote Originally Posted by NCGreasemonkey View Post
    Pull the wheels and see if one hub turn easier than the other. See if the rotors have the same hue, not blue. Blue color is bad! Smell for burning scent of the pads on one side. You can remove the rotor and see if the caliper slides full distance with little resistance.

    For guide lines to basic car problems:

    Balance is a shake. Unless it is when you brake. That is rotors that are in need of repair/replacement.

    Alignment is a pull. But can be tire wear or deformity.

    Peace!
    Cheers dude


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    6,000 rpm - mere mortals would shift NCGreasemonkey's Avatar
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    You might have bent a hub. The rotor removed test would pass. But rotor on would have tight spots when turning. Just an addendum.

    ... Rick

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  10. #7
    1,000 rpm - releasing the clutch Aki yuno's Avatar
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    Quote Originally Posted by NCGreasemonkey View Post
    You might have bent a hub. The rotor removed test would pass. But rotor on would have tight spots when turning. Just an addendum.

    Would the wheel be hard to remove if that was the case?


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    6,000 rpm - mere mortals would shift NCGreasemonkey's Avatar
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    Not necessarily. Think physics here. Wheel hit barrier and is bolted to hub. Hub and wheel bend, together. Now both are out of plane to the brake caliper bracket. The brake rotor is mounted to the hub. Not the caliper bracket. So it is out of line, also.

    Got to love physics and mathematics. The world has its answers in numbers!
    ... Rick

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    1,000 rpm - releasing the clutch Aki yuno's Avatar
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    Quote Originally Posted by NCGreasemonkey View Post
    Not necessarily. Think physics here. Wheel hit barrier and is bolted to hub. Hub and wheel bend, together. Now both are out of plane to the brake caliper bracket. The brake rotor is mounted to the hub. Not the caliper bracket. So it is out of line, also.

    Got to love physics and mathematics. The world has its answers in numbers!
    Yup, now my head hurts. All joking aside though, I get you. Thanks a lot for the input, I was worried about annoying you guys with something so trivial however I'm glad I brought it up


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  14. #10
    6,000 rpm - mere mortals would shift NCGreasemonkey's Avatar
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    I'll give you one last thought to require aspirin.

    The calipers on our NAs are rear mounts on the fronts. Was the wheel that hit turned inward ( hard to avoid the hit ) and heavy braking? As you contact the barrier the fluid you have in the caliper and lines has to go somewhere. You can pressurize fluid. Not compress it like a gas.

    Air in your brakes = spongy pedal. Compressed.

    Did the pedal jump slightly as you hit? That was the fluid, that is pressurized trying to get back out of the system and into the reservoir. But it is blocked by the push-rod you have depressed. So it goes to the other wheels as quickly as it can. But cannot avoid the hydro-lock impact moment of the hit.

    Bent slides are an easy fix!

    Sweet dreams fellow nut. Peace.
    ... Rick

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  16. #11
    1,000 rpm - releasing the clutch Aki yuno's Avatar
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    Quote Originally Posted by NCGreasemonkey View Post
    I'll give you one last thought to require aspirin.

    The calipers on our NAs are rear mounts on the fronts. Was the wheel that hit turned inward ( hard to avoid the hit ) and heavy braking? As you contact the barrier the fluid you have in the caliper and lines has to go somewhere. You can pressurize fluid. Not compress it like a gas.

    Air in your brakes = spongy pedal. Compressed.

    Did the pedal jump slightly as you hit? That was the fluid, that is pressurized trying to get back out of the system and into the reservoir. But it is blocked by the push-rod you have depressed. So it goes to the other wheels as quickly as it can. But cannot avoid the hydro-lock impact moment of the hit.

    Bent slides are an easy fix!

    Sweet dreams fellow nut. Peace.
    Those last things about the lines, can you fix them by bleeding the system? I can't remember if I was locked up, I don't think so. And I was turning slightly towards I think


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    6,000 rpm - mere mortals would shift NCGreasemonkey's Avatar
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    Don't worry about bleeding the system until you figure out the pull.

    On our early NAs bleeding is a breeze. And you should do it just to get the 20+ year old hydroscopic fluid out and some new in. Hate to see you report that you had a fun-run and suddenly there was no brake function.

    Have you replaced your soft-lines with braids?

    It's past your bedtime, right? What 2AM there?
    ... Rick

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  19. #13
    1,000 rpm - releasing the clutch Aki yuno's Avatar
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    Quote Originally Posted by NCGreasemonkey View Post
    Don't worry about bleeding the system until you figure out the pull.

    On our early NAs bleeding is a breeze. And you should do it just to get the 20+ year old hydroscopic fluid out and some new in. Hate to see you report that you had a fun-run and suddenly there was no brake function.

    Have you replaced your soft-lines with braids?

    It's past your bedtime, right? What 2AM there?
    I have not put braided lines in yet no, that's my next mod to the brakes and then get a hydro. It was 2am, stupid o'clock in the morning


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    Ninja Messiah kung fu jesus's Avatar
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    Are the tires on the front the same size?

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  22. #15
    1,000 rpm - releasing the clutch Aki yuno's Avatar
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    Quote Originally Posted by kung fu jesus View Post
    Are the tires on the front the same size?
    Matching wheels and tyres on the front


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