Front Brakes Seized (300) KQ - Suzuki ATV Forum
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post #1 of 28 Old 04-21-2019, 05:18 PM Thread Starter
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Front Brakes Seized (300) KQ

Hey guys, got kind of a bizarre question to ask. My Ď00 300 KQís front brakes seized up. I canít move it without pulling one of the drums off. I think water got into one of the wheel cylinders and froze. Thereís oil covering the top of the cylinder, so Iím assuming thatís the culprit. My plan is to redo the brakes with my brother in-law. New wheel cylinders, shoes, and springs. But I need to load it onto my trailer. But it wonít budge unless I force it in supper low range which I donít want to do. And I would rather not take any of the brake assembly apart till Iím ready. So my question is this. I need to load my quad onto my trailer, about a 10ft - 12ft run to the trailer if I back it right to the door. Can I take the one drum off and put the wheel back on and slowly drive it onto my trailer..? Or is that not a wise idea..? Itís a utility trailer and is low to the ground. Just looking to get it on the trailer. Open to any other suggestions or ideas.


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2000 Suzuki King Quad 300 4x4
K&N Air Filter
2300 lbs Superwinch
Kenda Bear Claws (Rear 25X10-12) - (Front 24X9-11)
Differential Lock Mod
14,000 + km/s

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post #2 of 28 Old 04-21-2019, 05:37 PM
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As long as the wheel is not hitting any of the brake parts it's probably ok. Just go slow and don't use your front brakes while moving it onto the trailer. The brake cylinder would probably pop apart if you used them.

I'd jack it up and test it before driving it. Make sure it spins freely.
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post #3 of 28 Old 04-21-2019, 05:52 PM Thread Starter
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Front Brakes Seized (300) KQ

The axle spins freely. I took off the drum last fall and spun the hub assembly easily utilizing two fingers. So I ruled out something binding, etc. The hub/axle just refuses to move if I put the drum back on. So somethings catching or jamming up with my brakes. And that was my plan if possible. To take the drum off, put the wheel back on, and very slowly ride it up onto the trailer, (No Front Brakes Applied). Just wanted to make sure I wouldnít break anything if I did so.


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2000 Suzuki King Quad 300 4x4
K&N Air Filter
2300 lbs Superwinch
Kenda Bear Claws (Rear 25X10-12) - (Front 24X9-11)
Differential Lock Mod
14,000 + km/s

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post #4 of 28 Old 04-22-2019, 08:19 AM
Tim
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Have you tried backing off the adjustment screw?

Former: 09 LTA 450 AXI KQ, 93LT-F4WDX KQ, 93LT-F4WDX KQ, 94LT-F4WDX KQ, 95LT-F4WDX KQ, 87 LT230 QR, 89 LT80 QS
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post #5 of 28 Old 04-22-2019, 08:53 AM Thread Starter
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No, I didnít. Might give that try first. Thanks Tim.


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2000 Suzuki King Quad 300 4x4
K&N Air Filter
2300 lbs Superwinch
Kenda Bear Claws (Rear 25X10-12) - (Front 24X9-11)
Differential Lock Mod
14,000 + km/s
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post #6 of 28 Old 04-22-2019, 09:06 AM
Tim
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Quote:
Originally Posted by ajl719 View Post
No, I didnít. Might give that try first. Thanks Tim.


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Crack the bleeder for a moment after loosening the screw to release pressure on the plungers.


I recall having an issue with a warped hub. It would spin three quarters around then lock up tight. Was out in the field so I removed the brake pads then wrapped wire around the cylinder to hold the plungers in. Otherwise they would pop out and the fluid would drain out completely. Trying to find a picture of that. I might have posted about here some years ago.

I've seen those plungers corrode badly and seize in the cylinder. The front drum brake system on these is an atrocious design. Only out done by the single rear cable brake system on the rear wheel.
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post #7 of 28 Old 04-22-2019, 09:18 AM Thread Starter
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I agree with you about the bad design. And yeah, if you have a pic available that would certainly help.


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2000 Suzuki King Quad 300 4x4
K&N Air Filter
2300 lbs Superwinch
Kenda Bear Claws (Rear 25X10-12) - (Front 24X9-11)
Differential Lock Mod
14,000 + km/s
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post #8 of 28 Old 04-23-2019, 06:42 AM
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Where is this adjustment screw located? I have a 95 King Quad that randomly locks up one of the front wheels. I recommend not trying to drive it with the brakes being stuck as I learned from experience that it can blow a hole in your differential. Taking the brakes off just to ride it on trail should be just fine.
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post #9 of 28 Old 04-23-2019, 07:39 AM
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I had a similar problem that was a bad master cylinder, same year model and 300 kq. You can release the brakes locking with disconnecting the front brake line at the master cylinder. Hope you get it fixed.
post #10 of 28 Old 04-23-2019, 09:47 AM
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Quote:
Originally Posted by bryanta0502 View Post
Where is this adjustment screw located? I have a 95 King Quad that randomly locks up one of the front wheels. I recommend not trying to drive it with the brakes being stuck as I learned from experience that it can blow a hole in your differential. Taking the brakes off just to ride it on trail should be just fine.
As far as I know, there is no adjustment screw......there is only an automatic adjustment system which can be reset by prying on it with a screwdriver and releasing the engaging teeth. ( with the drum off)
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