Squeal when starting up cold

[Phljeeper]

Anyone else have a squeal when starting? I think it may be the power steering pump as I hear it in parking garages when turning too. Just a quick squeal when I start it cold then a small whine when turning.

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[Hootbro]

It is a common complaint on the 2018+ Pentastar. I do not think it is looked at as a defect condition and just a characteristic of the engine.

 

[Phljeeper]

Interesting, ok thanks. I will prob wait and just ask them to check at first oil change. It is an odd sound but doesn't seem to be causing any issues.

 

[Hootbro]

https://www.jlwranglerforums.com/forum/threads/squeal-at-start-up.11848/

 

[DenverGladiator]

I have it too, really noticeable when I ran out today for lunch. My coworker was laughing because my JT turned on, then whines the whole time driving through the parking garage. Warm day here (90s), but I was parked in the garage. It stopped (or wasn’t noticeable) once I started driving through town.

 

[Jeepdude413]

Mine has done it as well. But only if the AC was left on during the last shutdown. With it being so hot in Florida, of course I have left it on during the day so i can cool it down with remote start. I was curious about the noise as well so i have tried at different times throughout the day to prove my theory.

 

[Phljeeper]

Thanks for the replies. Makes me feel better knowing it’s a common issue but still seems very odd.

 

[beelzebot]

Thank you for asking the question and for the answers. I have it too and couldn't explain it but keep forgetting to dig into it.

 

[Wbee]

My JL it squeal a little Due to pressing down on the brake when starting. The lighter I press down on the brake the less squeal I get. I’ve got to where I can tap the brake and hit the start button at the same time and it doesn’t squeal at all. It doesn’t squeal at all if I use the auto start feature. I can’t explain why but I read somewhere it has to do with the brake booster.

 

[Phljeeper]

Thanks for the replies. It is strange and really does sound like something is slipping but am ok if others have the same noise and it isn’t actually a worn out or loose belt.

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