Rear Suspension Squeak

kfresh · 06-20-2023, 03:21 PM

I'm trying to hunt down this annoying squeak on the drive (left) side rear suspension. It usually occurs during slow speeds when coming to a stop and ONLY when the car has warmed up, I never hear it during the 1st 5-10mins of the car running.

I jacked the car up and didnt see anything leaking back there. I WD40ed the joints but the squeak is still persistent and drives me crazy. I've taken the car into EAS but they couldn't find anything wrong so i'm not sure where to even look.

kfresh · 06-26-2023, 12:04 PM

Video for reference:

https://www.youtube.com/shorts/wDty1TLm4vU

kfresh · 06-30-2023, 10:03 AM

Any ideas where to start looking? Ball joints, bushings?

jfritz27 · 06-30-2023, 11:15 AM

While it doesn't sound purely rotational, can you reproduce it with either of the rear wheels up in the air and spinning the tires manually? If you can that would narrow you down to something related to hub assembly or caliper

Or can you reproduce it by opening a rear door, standing on bottom door jamb, and hopping up and down as hard as you can? That would point more towards something in the suspension.

Do you have any aftermarket suspension bits? It does sound a bit like a squeak I had that was coming from an aftermarket toe link (non-enclosed ball head was rusty), but sounds like you tried lubing everything up

kfresh · 06-30-2023, 03:26 PM

Quote:

Originally Posted by jfritz27

While it doesn't sound purely rotational, can you reproduce it with either of the rear wheels up in the air and spinning the tires manually? If you can that would narrow you down to something related to hub assembly or caliper

Or can you reproduce it by opening a rear door, standing on bottom door jamb, and hopping up and down as hard as you can? That would point more towards something in the suspension.

Do you have any aftermarket suspension bits? It does sound a bit like a squeak I had that was coming from an aftermarket toe link (non-enclosed ball head was rusty), but sounds like you tried lubing everything up

Thanks for the reply, ill try jacking the car up and rotating the wheels while the wheels in the air this weekend.

No aftermarket suspension bits other then spacers

tauzins · 08-11-2023, 11:18 PM

Did you ever figure this out? My f82 m4 has same noise

kfresh · 08-21-2023, 10:25 AM

For anyone wondering, it was a rock that got stuck in the brake shield that was causing it to hit the rotor on rotation. Replaced rotors and unbent the shield and now buttery smooth with no sounds

06-20-2023, 03:21 PM	#1
kfresh Private First Class 69 Rep 124 Posts Drives: F83 ZCP & G05 X5 Join Date: Mar 2017 Location: SoCal iTrader: (0)	Rear Suspension Squeak I'm trying to hunt down this annoying squeak on the drive (left) side rear suspension. It usually occurs during slow speeds when coming to a stop and ONLY when the car has warmed up, I never hear it during the 1st 5-10mins of the car running. I jacked the car up and didnt see anything leaking back there. I WD40ed the joints but the squeak is still persistent and drives me crazy. I've taken the car into EAS but they couldn't find anything wrong so i'm not sure where to even look. __________________ 2018 F83 ZCP in Mineral White: ///M Performance Exhaust, K&N filter, BM3 Stg1, Spacers, EBC Yellowstuff, GTS/CS EDC Coding, All the carbon goodies 2022 G05 X5 sDrive 40i Carbon Black ///M Sports Package
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06-26-2023, 12:04 PM	#2
kfresh Private First Class 69 Rep 124 Posts Drives: F83 ZCP & G05 X5 Join Date: Mar 2017 Location: SoCal iTrader: (0)	Video for reference: https://www.youtube.com/shorts/wDty1TLm4vU __________________ 2018 F83 ZCP in Mineral White: ///M Performance Exhaust, K&N filter, BM3 Stg1, Spacers, EBC Yellowstuff, GTS/CS EDC Coding, All the carbon goodies 2022 G05 X5 sDrive 40i Carbon Black ///M Sports Package
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06-30-2023, 10:03 AM	#3
kfresh Private First Class 69 Rep 124 Posts Drives: F83 ZCP & G05 X5 Join Date: Mar 2017 Location: SoCal iTrader: (0)	Any ideas where to start looking? Ball joints, bushings? __________________ 2018 F83 ZCP in Mineral White: ///M Performance Exhaust, K&N filter, BM3 Stg1, Spacers, EBC Yellowstuff, GTS/CS EDC Coding, All the carbon goodies 2022 G05 X5 sDrive 40i Carbon Black ///M Sports Package
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06-30-2023, 11:15 AM	#4
jfritz27 Major 1127 Rep 1,322 Posts Drives: 2018 F80 CS Join Date: Dec 2014 Location: New Jersey iTrader: (0)	While it doesn't sound purely rotational, can you reproduce it with either of the rear wheels up in the air and spinning the tires manually? If you can that would narrow you down to something related to hub assembly or caliper Or can you reproduce it by opening a rear door, standing on bottom door jamb, and hopping up and down as hard as you can? That would point more towards something in the suspension. Do you have any aftermarket suspension bits? It does sound a bit like a squeak I had that was coming from an aftermarket toe link (non-enclosed ball head was rusty), but sounds like you tried lubing everything up
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08-11-2023, 11:18 PM	#6
tauzins Wing Chun Shifter Speed 36 Rep 181 Posts Drives: 2015 Tanz M4 Join Date: Aug 2017 Location: Winter Park, Florida iTrader: (2)	Did you ever figure this out? My f82 m4 has same noise
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08-21-2023, 10:25 AM	#7
kfresh Private First Class 69 Rep 124 Posts Drives: F83 ZCP & G05 X5 Join Date: Mar 2017 Location: SoCal iTrader: (0)	For anyone wondering, it was a rock that got stuck in the brake shield that was causing it to hit the rotor on rotation. Replaced rotors and unbent the shield and now buttery smooth with no sounds __________________ 2018 F83 ZCP in Mineral White: ///M Performance Exhaust, K&N filter, BM3 Stg1, Spacers, EBC Yellowstuff, GTS/CS EDC Coding, All the carbon goodies 2022 G05 X5 sDrive 40i Carbon Black ///M Sports Package
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