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Old 01-02-2018, 09:41 PM
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Question High pitched squeal when turning on jeep in the COLD

Good evening,

I apologize if this has been posted already, I tried searching in the forums but nothing came up.

My Jeep squeals bloody murder when it is being turned on in these brutal Chicago temperatures. It only happens in the morning after it has been sleeping soundly in the outdoors (one car garage, and his electric car takes priority). I brought it into the dealership, still under warranty. The person called me back and attributed something to "road grind" ????? But after looking up I've found no correlation to anything that sounds like that and a grinding sound. It does not grind or clunk when turning the wheel, this is only upon start up.

I feel like the wool is being pulled over my eyes. :

This is what I've found and it sounds exactly like my jeep -- the video on the site https://www.ericthecarguy.com/kunena...-on-cold-start

My jeep is a 2016. Could it be ice in the wheel well? Something with the belt? Overnight parasitic drain? Alternator? ..Alternator pulley? Power steering fluid is low or too thick? A type of pulley (don't know the specific name)?

^^ I have no idea what these parts are, where they are, or if they're even in the car but these are some things that I found while researching



Please let me know if you've had this issue and what you did to solve this?

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Old 01-02-2018, 10:06 PM   #2
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The drive belt has to be ruled out. That's the first thing that I would do.

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Old 01-02-2018, 10:10 PM
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But wouldn't the dealership take a look at that first to rule it out? I haven't spoken to them yet, just listened to the voicemail
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Old 01-02-2018, 10:15 PM   #4
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But wouldn't the dealership take a look at that first to rule it out? I haven't spoken to them yet, just listened to the voicemail
They should. Based upon what you indicated they should keep it overnight parked outside and then start it first thing in the morning in order to diagnose the problem. Belt, pulley, alternator, could possibly cause the problem. As long as you're still under 3/36 insist that they take care of it if it continues to happen.
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Old 01-02-2018, 10:20 PM
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I made the appointment Saturday morning, they've had it all Saturday, closed Sunday and Monday for the holiday, and had it all day Monday (today) and called me right before they closed
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Old 01-02-2018, 10:20 PM
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The temps have been anywhere from -2 to -10F at night excluding windchill!
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Old 01-02-2018, 10:23 PM
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Sorry, it took me a second to figure out 3/36, I'm over 40k now so that unfortunately ended but I have a extended warranty from Mopar
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Old 01-03-2018, 12:28 AM   #8
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My 2014 does the same... Pretty sure it's the altinator pully that's frozen. I spayed all the pulleys with some lithium grease. Does not do it now.
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Old 01-03-2018, 04:12 AM   #9
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Sounds like the belt.... probably the power steering pump with super thick (cold) oil.... pretty typical in my area.

Vehicles make funny noises when they're cold, some more than others, but when it gets cold enough they ALL make noise... even the new ones. We get down to -40 or so in my part of the world and you're lucky if the belt is the ONLY thing that makes noise on start up.
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Old 01-03-2018, 11:57 AM   #10
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This is what bad idler pulleys sound like, which does not sound like what you described:

http://www.youtube.com/watch?v=1B-cXpBEDrg


Serpentine belt would be my first check.
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Old 01-03-2018, 03:48 PM   #11
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Belt is slipping. when it is cold and you first start it you hit the alternator with a full load trying to bring the battery voltage up if the battery, belt or tensioner are marginal the belt will slip and squeal. by spraying grease on you might eliminate the squeal but will aggravate the slippage and belt wear itself I would clean all the pulley's and replace the belt even if you have to reach in your pocket.
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Old 01-03-2018, 09:49 PM
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Apparently... what the guy said on the voicemail (I called this morning to clarify) was that is was "road grime" on the belt, and because nothing needed to be fixed/replaced that the warranty does not cover the diagnostics and cost of labor so I'm out 150$ which isn't bad, but just surprising because I thought that dang warranty covered everything. They didn't say anything about the pulleys


I'm curious to see if this actually fixes the issue. A different guy was checking me out at the service desk, and I asked if they started it up while the truck was outside to make sure it's working properly.. and he said no that it was indoors the entire time.



To be continued... It's going to drop below 0 tonight so I'll listen on start-up tomorrow morning




Thank you all for being so helpful and describing things in detail. It's a huge help
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Old 01-03-2018, 09:49 PM
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** 140$
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Old 01-03-2018, 11:39 PM   #14
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had this exact same problem a few months ago. I replaced the belt and it MOSTLY went away but would still do it slightly at cold startup. Just had it in for some service and asked them to take a look at the local shop. The only thing they found is that I had a heater hose leak that was dripping on belt. Repaired and it was OK this morning (11 degrees).

Keeping fingers crossed that was the problem.
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Old 01-04-2018, 01:21 PM   #15
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this stuff works too for older belts:

https://permatex.com/products/lubric...conditioner-2/
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Old 01-04-2018, 07:16 PM
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It's still making the squeal, but it's not as high pitched but is still happening. It's going in again next Saturday



Maybe I can ask them to replace the belt?? I'll have them look for a leak too, but would it still be actively leaking when it' so cold out or would it be hot enough because it's by the engine block?
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Old 01-04-2018, 08:25 PM   #17
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Originally Posted by kristynsyeti View Post
It's still making the squeal, but it's not as high pitched but is still happening. It's going in again next Saturday



Maybe I can ask them to replace the belt?? I'll have them look for a leak too, but would it still be actively leaking when it' so cold out or would it be hot enough because it's by the engine block?
go to walmart and either get some lithium grease or fluid film. put the straw on it and spray behind the front center of the pulleys (try not to get any on be belt. Its either the alternator pulley or the power steering pulley.

https://www.walmart.com/ip/Fluid-Fil...S-11/151286860

https://www.walmart.com/ip/WD-40-Spe...1664#read-more
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Old 01-04-2018, 09:33 PM
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Hmm.. hopefully there's a youtube or something that shows me how to dissemble things under the hood and where things are. It was a great accomplishment to replace the headlights
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Old 01-04-2018, 09:49 PM   #19
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Hmm.. hopefully there's a youtube or something that shows me how to dissemble things under the hood and where things are. It was a great accomplishment to replace the headlights
pull the engine cover off... thats all you have to do! all the pulleys are just bellow and to the left
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Old 01-04-2018, 10:19 PM
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A ha! Thank you. Maybe this will be a little weekend project
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Old 01-07-2018, 10:02 AM   #21
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Fellow Chicagoan here with a similar issue(my squeal is only a second or two), though my 2009 Jeep sleeps in the garage. I just attributed it to the cold and the belts trying to go from 0 to fast in the cold. It happens when I leave work, as well (these temps have been brutal).

I never really thought it was a problem, but I'm glad I stumbled on this thread. I like to stay ahead of issues. Keep sharing and I'll contribute where I can..

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