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Front End Noise with 4wd engaged

JChrisBullard

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JChrisBullard Enthusiast

JChrisBullard

Posted
Posted

Question about 4wd, have got a whine that has developed in the front end with 4 high engaged, had not been there.  There is no popping or seems to be no joint problem, just what I call a " dry whine" .  It developed after driving about 15 miles in 4wd high, I did not exceed 40 mph, and the boots underneath look good.  Just wanted some opinions on this.  It still operates fine, just that noise as described.  Thanks.

???

  • 4 years later...
buckshot Enthusiast

buckshot

Posted
Posted
<font color='#000000'>Question about 4wd, have got a whine that has developed in the front end with 4 high engaged, had not been there.  There is no popping or seems to be no joint problem, just what I call a " dry whine" .  It developed after driving about 15 miles in 4wd high, I did not exceed 40 mph, and the boots underneath look good.  Just wanted some opinions on this.  It still operates fine, just that noise as described.  Thanks.

???</font>

 

 

mine does the same thing just a little growl has always been there any ideas?

minibike132 Senior Enthusiast

minibike132

Posted
Posted

I would get it in the air and run it with a stethescope to make sure but we do a lot of side carrier bearings. They are only under load with 4wd engaged.

xsports33 Enthusiast

xsports33

Posted
Posted

It's totally normal. Its becomes more prevalent if you crank your Tbars or get a suspension lift. For some reason messing with the CV angle causes the sound to get louder. FWIW, you can drive in 4hi as fast as you want. I've gone 110 mph in 4hi with no problems (with a SC it's tough to get the rears to grab when coming off the line hard)

minibike132 Senior Enthusiast

minibike132

Posted
Posted

 

:D The poster is asking about a noise that was not there before, If it just started then something changed. He didn't post , I just changed my drive angle and have a noise. You can drive as fast as you want on a slip surface in 4WD but if you drive far distances with no slip your asking for trouble.

xsports33 Enthusiast

xsports33

Posted
Posted

Like i said in my previous post it's NORMAL. If he rarely drives in 4wd and then did for a little while he could have hot/cold cycled the gears which breaks them in. It also depends on the load and the maintenace of the front axle. There's a lot variables that can attribute to the noise, go to any dealer or any shop and ask them about the noise. it's normal

 

4wd for a 1/4 mile on the strip isn't a far distance

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