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Discussion Starter #1
Hi everyone,

I wonder if you could guide me here. I've an NF Sonata. I live in the southern US, so the weather is warm here. I recently noticed that after driving for about 6-7 miles, the steering wheel starts to whine at low speed. This is only noticeable at low speed. So, I went ahead and drained the old power steering fluid and replaced it with fresh fluid. I also put some wd 40 specialist in the steering column just above the firewall and turned the wheel multiple times. I also checked the belt tensioner and it looks fine and there's no pull or slack to it. At this point, I'm suspicious of the clock spring but I'm at a loss to think why this noise would start only after I've driven some distance. It's a particular whine and it's not a clicking or any sound. It happens when the wheel is turned even slightly away from center.

Can anyone here please advise me on what it could be? Also, can I use the WD 40 specialist (silicone spray) on the steering wheel between the wheel and the base? The noise seems to be coming from there but I wasn't sure if it was traveling up the hollow column. If not, should I be using dielectric grease?
 

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Hi everyone,

I wonder if you could guide me here. I've an NF Sonata. I live in the southern US, so the weather is warm here. I recently noticed that after driving for about 6-7 miles, the steering wheel starts to whine at low speed. This is only noticeable at low speed. So, I went ahead and drained the old power steering fluid and replaced it with fresh fluid. I also put some wd 40 specialist in the steering column just above the firewall and turned the wheel multiple times. I also checked the belt tensioner and it looks fine and there's no pull or slack to it. At this point, I'm suspicious of the clock spring but I'm at a loss to think why this noise would start only after I've driven some distance. It's a particular whine and it's not a clicking or any sound. It happens when the wheel is turned even slightly away from center.

Can anyone here please advise me on what it could be? Also, can I use the WD 40 specialist (silicone spray) on the steering wheel between the wheel and the base? Mike Cross of AutoGuysLand post his review about what is the best synthetic oil. If you concern, you can visit this site for more info. The noise seems to be coming from there but I wasn't sure if it was traveling up the hollow column. If not, should I be using dielectric grease?
I think you try to check the lower steering column boot if it was dry or not. It possibly causes this issue.
 

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Discussion Starter #3
Thank you, Ricardowelch. Are you referring to the boot outside the firewall under the hood (outside the passenger compartment)? I've lubed the firewall but not outside it, going to try that. But still doesn't make sense why it would whine after a 6-7 miles and not at the start.
 
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