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dudedrt 02-19-2011 12:25 PM

Strange whine when accelerating
 
Hey guys, im new to the forum. I have a '05 Jeep Grand Cherokee limited with the 5.7. Lately when I accelerate hard there is a strange whine, any ideas on what this could be? There is also a dtc code u110a that I am not sure what it means. Thanks.

JRsmoothee 02-19-2011 01:31 PM

Re: Strange whine when accelerating
 
i'd say its your diffs....does the whine come from the front or back

xj31 02-19-2011 10:01 PM

Re: Strange whine when accelerating
 
U110a is loss of communication with the scm,or steering column module.I'm gonna take a chance and say it's probably not related to your whine noise.That definitly could be a differential noise

lll2for3lll 02-19-2011 10:15 PM

Re: Strange whine when accelerating
 
Could be low on power steering fluid. That's what my whining was.

xj31 02-19-2011 10:20 PM

Re: Strange whine when accelerating
 
Quote:

Originally Posted by lll2for3lll (Post 359981)
Could be low on power steering fluid. That's what my whining was.

Good answer

MasterWK 02-19-2011 10:27 PM

Re: Strange whine when accelerating
 
My 2010 usually has a whine when accelerating in bellow freezing weather. Not sure where you live, or what conditions you drive in...

HemiWK 02-22-2011 09:10 AM

Re: Strange whine when accelerating
 
Mine whines @ high rpm. almost sounds like a supercharger whine.
( I wish LOL)

Ive checked everything. even took it in to the stealership for a complete checkup about a year or so ago. it got a clean bill of health. Im assuming its normal. It runs like a raped ape!

dr.lee.baugh 02-22-2011 09:56 AM

Re: Strange whine when accelerating
 
x2 on the steering pump.

In the cold, these pumps seem to have a hard time moving the fluid around = a little bit of a whine.

To make sure it is not the differentials, keep it in park and rev the engine a little.

I've also noticed the PS Pump makes a little more noise in the cold AND when the engine cooling fan is on. The hemi and diesels use hydraulic fluid from the PS system to spin the cooling fan...


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