G19 rear end scraping metallic sound

vartz04 · 04-01-2019, 06:58 AM

After sitting all winter in the garage we took the cart for a spin. There is a fairly loud scraping or grinding noise that sounds metallic. Cart seems a little slow too but not to the point where a brake would be stuck.

Any ideas where to look? I'll be digging into this on the weekend.

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cgtech · 04-01-2019, 09:52 AM

Rear differential cover has big ole' dent in it, rubbing on ring gear?

vartz04 · 04-01-2019, 12:45 PM

Quote:

Originally Posted by cgtech

Rear differential cover has big ole' dent in it, rubbing on ring gear?

Seems like youve learned this from experience

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cgtech · 04-01-2019, 04:15 PM

Well, I've seen that a time or two...

vartz04 · 04-03-2019, 05:08 PM

No dent. Pulled the plug off and found this though. Any tips on changing this fluid? And why would there be such a drastic change between driving it in October and driving it now?

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cgtech · 04-03-2019, 10:57 PM

Looks like water has been in there! Not good. Pull the pan.

vartz04 · 04-04-2019, 07:39 AM

Is there a breather tube on these? Where is the water likely coming in from? There is a creek crossing on a paved road that we go through frequently. Depth is between 2 and 6".

Or is it condensation building up over time?

I have no problem changing the oil yearly just would like to prevent future damage

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cgtech · 04-04-2019, 01:26 PM

There is a plastic vent on top of the axle tube, and it could be extended up pretty easily, the little plastic cap just pops off. Then add a hose with another one of those vents at the top.

vartz04 · 04-06-2019, 02:06 PM

Quote:

Originally Posted by cgtech

Looks like water has been in there! Not good. Pull the pan.

Alright so it's not the gear oil that was causing the issue. I cleaned that out real well and changed it and it's still making a lot of noise. I am guessing something in by the brake drum. Pushing the brake pedal has no effect on the noise. The noise Is always there but it's pitch and volume change with speed

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cgtech · 04-06-2019, 04:32 PM

Ok, pull axle shafts to check wheel bearings. It's actually quite easy. Wheel off, nut in middle off (15/16"), snap ring behind hub, boom done.... You might need to temporarily loosely put hub back on to use as a pull handle if axle is stubborn.

04-01-2019, 06:58 AM	#1
vartz04 Getting Wild Join Date: Jan 2012 Posts: 147	G19 rear end scraping metallic sound After sitting all winter in the garage we took the cart for a spin. There is a fairly loud scraping or grinding noise that sounds metallic. Cart seems a little slow too but not to the point where a brake would be stuck. Any ideas where to look? I'll be digging into this on the weekend. Sent from my moto z3 using Tapatalk
vartz04 Getting Wild Join Date: Jan 2012 Posts: 147

04-01-2019, 09:52 AM	#2
cgtech Over This Interview Is... Join Date: Jun 2012 Location: AZ Posts: 17,449	Re: G19 rear end scraping metallic sound Rear differential cover has big ole' dent in it, rubbing on ring gear?

04-01-2019, 04:15 PM	#4
cgtech Over This Interview Is... Join Date: Jun 2012 Location: AZ Posts: 17,449	Re: G19 rear end scraping metallic sound Well, I've seen that a time or two...

04-03-2019, 05:08 PM	#5
vartz04 Getting Wild Join Date: Jan 2012 Posts: 147	Re: G19 rear end scraping metallic sound No dent. Pulled the plug off and found this though. Any tips on changing this fluid? And why would there be such a drastic change between driving it in October and driving it now? Sent from my moto z3 using Tapatalk
vartz04 Getting Wild Join Date: Jan 2012 Posts: 147

04-03-2019, 10:57 PM	#6
cgtech Over This Interview Is... Join Date: Jun 2012 Location: AZ Posts: 17,449	Re: G19 rear end scraping metallic sound Looks like water has been in there! Not good. Pull the pan.

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04-04-2019, 07:39 AM	#7
vartz04 Getting Wild Join Date: Jan 2012 Posts: 147	Re: G19 rear end scraping metallic sound Is there a breather tube on these? Where is the water likely coming in from? There is a creek crossing on a paved road that we go through frequently. Depth is between 2 and 6". Or is it condensation building up over time? I have no problem changing the oil yearly just would like to prevent future damage Sent from my moto z3 using Tapatalk
vartz04 Getting Wild Join Date: Jan 2012 Posts: 147

04-04-2019, 01:26 PM	#8
cgtech Over This Interview Is... Join Date: Jun 2012 Location: AZ Posts: 17,449	Re: G19 rear end scraping metallic sound There is a plastic vent on top of the axle tube, and it could be extended up pretty easily, the little plastic cap just pops off. Then add a hose with another one of those vents at the top.

04-06-2019, 04:32 PM	#10
cgtech Over This Interview Is... Join Date: Jun 2012 Location: AZ Posts: 17,449	Re: G19 rear end scraping metallic sound Ok, pull axle shafts to check wheel bearings. It's actually quite easy. Wheel off, nut in middle off (15/16"), snap ring behind hub, boom done.... You might need to temporarily loosely put hub back on to use as a pull handle if axle is stubborn.

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