Squealing noise at full lock steering?

mhabs · 01-01-2013, 09:33 PM

Been noticing a squealing noise coming from under the hood when engaging the steering wheel at full lock when I'm maneuvering and backing out of my driveway. I have the Dinan pulley (which comes w/ special belt). Have any of you noticed this, particularly in cold weather (whether you have underdriven pulley or not)? I'm a little puzzled as I thought that with tensioners, a squealing serpentine doesn't really happen anymore.

///M Ryder · 01-01-2013, 10:12 PM

May be normal......I've noticed a slight squeal at full lock as well. I too have the Dinan pulley. I've been meaning to check the fluid level so this will serve as a reminder........Phil

m3an · 01-01-2013, 11:12 PM

Quote:

Originally Posted by mhabs

Been noticing a squealing noise coming from under the hood when engaging the steering wheel at full lock when I'm maneuvering and backing out of my driveway. I have the Dinan pulley (which comes w/ special belt). Have any of you noticed this, particularly in cold weather (whether you have underdriven pulley or not)? I'm a little puzzled as I thought that with tensioners, a squealing serpentine doesn't really happen anymore.

Are you holding the wheel against the lock. That will make a noise and is also bad for the pump

mhabs · 01-22-2013, 09:15 PM

Thx for the advice, yes I was holding against the lock (I have a really narrow driveway/garage and is tough to maneuver). I've since stopped doing so and this other "whirring" noise that also went on with the power steering at very low speeds that I didn't think was related (not full lock, but with small, abrupt changes in steering angle when going into the driveway) has since disappeared. Maybe the tensioners on the PS belt automatically adjusted? Anyway, appreciate the feedback.

Quote:

Originally Posted by m3an

Are you holding the wheel against the lock. That will make a noise and is also bad for the pump

M3 Esq. · 01-22-2013, 10:14 PM

I have the dinan pulley and have not noticed any squealing.

uplusd · 01-23-2013, 02:17 AM

I've got macht schnell pulleys and I too get squealing at full lock

mdefalco25 · 01-23-2013, 05:51 AM

I'm on stock pulley and occasionally get the squal myself. Only when parking car in a tight spot.

serranot · 01-23-2013, 09:54 PM

There is no reason to hold the steering against the lock, and it is not good for the pump.

01-01-2013, 09:33 PM	#1
mhabs Lieutenant Drives: M3 (E90) Join Date: Feb 2012 Location: San Francisco Posts: 446 iTrader: (0)	Squealing noise at full lock steering? Been noticing a squealing noise coming from under the hood when engaging the steering wheel at full lock when I'm maneuvering and backing out of my driveway. I have the Dinan pulley (which comes w/ special belt). Have any of you noticed this, particularly in cold weather (whether you have underdriven pulley or not)? I'm a little puzzled as I thought that with tensioners, a squealing serpentine doesn't really happen anymore.
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01-01-2013, 10:12 PM	#2
///M Ryder Grown Azz Man Drives: 2011.5 Dinan ///M3 Join Date: Dec 2010 Location: Houston Posts: 1,994 iTrader: (3)	May be normal......I've noticed a slight squeal at full lock as well. I too have the Dinan pulley. I've been meaning to check the fluid level so this will serve as a reminder........Phil __________________ 2011.5 E92 Dinan///M3: SSII DCT, Comp Pkg, Prem Pkg 2, Conv Pkg, Heated Seats, Enhanced Premium Sound, Black Kidney Grilles, BMW M Performance Steering Wheel, BMW Carbon Fiber Performance Spoiler, BMW Aluminum Pedals, Dinan Exhaust, Dinan X-Pipe, Dinan Carbon Fiber Intake, Dinan Software Tune, Dinan Pulley Kit, Dinan CH-R Wheels, Dinan Carbon Fiber Strut Tower Braces, Arkym Lip, Carbon Reflectors, Lux H8 V3, Brembo 365mm BBK

01-22-2013, 10:14 PM	#5
M3 Esq. Mind of an effing scientist. Drives: Safely Join Date: Aug 2007 Location: CT Posts: 1,045 iTrader: (2) Garage List 2013 BMW M3 [0.00]	I have the dinan pulley and have not noticed any squealing. __________________ 2013 M3 Coupe/DCT/ZCP/Speed Cloth/BMW Performance Exhaust/Dinan Goodies/CF Bits/Volk TE37 SL

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01-23-2013, 02:17 AM	#6
uplusd First Lieutenant Drives: 2013 E92 M3 Join Date: Nov 2011 Location: NorCal Posts: 374 iTrader: (6)	I've got macht schnell pulleys and I too get squealing at full lock

01-23-2013, 05:51 AM	#7
mdefalco25 Private First Class Drives: E92 AW 6MT Join Date: Nov 2012 Location: Normal, IL Posts: 118 iTrader: (0)	I'm on stock pulley and occasionally get the squal myself. Only when parking car in a tight spot.

01-23-2013, 09:54 PM	#8
serranot Private First Class Drives: 2011 E90 M3 6MT Join Date: Mar 2011 Location: Falls Church, VA Posts: 199 iTrader: (0) Garage List 2011 BMW E90 M3 [5.00]	There is no reason to hold the steering against the lock, and it is not good for the pump.