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Old 08-30-2010, 07:59 AM   #1 (permalink)
eladisco
 
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Question Squealing Brakes - How do you fix?

I had my brakes done at the dealership about 8 months ago. They have started to squeal. I called the dealership and they said that this is due to the type of pads they use. Below is a response they sent me.

This does not sound right. So my question: How do I fix the squealing? I do not want the problem to get worse or develop into something else.

Thanks.


SUBJECT: Brake Noise

This bulletin contains important information about brake systems on vehicles. It's designed to give you an understanding of the materials used in brake systems. It will also familiarize you with some normal noises that may occur with a properly operating system so that you can clearly communicate these details to your customers. Many brake noises are normal and require no repair action. Unusual noises (not considered normal) should be investigated and repaired using approved procedures and replacement parts as required.

Because of environmental concerns, automotive manufacturers have eliminated the use of asbestos in most of their products. As a substitute, in some applications, manufacturers adopted semi-metallic brake linings, which offer excellent performance. However, because of the metal-to-metal contact with semi-metallic pads, the noises generated by the brake system under normal operation may be greater than vehicles equipped with the previous asbestos linings.

During normal operation, various noises may be heard from the brake system, whether equipped with disc brakes or drum brakes, with or without ABS. To reduce the noise level manufacturers have begun introducing new non-asbestos organic (NAO) brake pads on several models.



COMMON BRAKE NOISES

Depending upon the local environment and individual driving habits, noises from the brake system may become apparent. The following noises are normal and are considered general characteristics of all braking systems (including other vehicle manufacturers). These noises do not indicate improper operation or malfunction in the brake system.



Grinding Noise

This noise is common with rear brake drums and on some disc brakes during the first few stops (such as after the vehicle has been parked overnight). This is primarily due to the formation of trace corrosion (light rust) on the metal surfaces during vehicle non-use or storage. This light corrosion is typically cleared from the metal surfaces after a few stops causing the noise to subside.



Trace Squeak/Squeal Noise

This typically occurs intermittently with front brake linings at medium speeds when you apply light to medium pressure on the brake pedal. It may also occasionally occur on the rear brakes during the first few stops and/or with cold brakes (especially morning) and/or high humidity.



Groan Noise

On automatic transmission equipped vehicles, a slight groan may be heard when coming to an abrupt stop or when allowing the vehicle to creep forward slowly with the brakes slightly applied.



ABS Self Check/Clunk Noise

This noise will occur when the vehicle is first started and moved at low speed (e.g. backing or pulling forward out of a parking space). A slight pulsation at the brake pedal may also be felt during the self-test procedure If any problem is found during self-check, the ABS system will deactivate automatically and the yellow "Anti-Lock" brake warning light on the instrument panel will light up. While the ABS system is deactivated (i.e. when the warning light is on) the brake system will operate as a conventional, non-ABS system.
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Old 08-30-2010, 08:04 AM   #2 (permalink)
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Other then removing the pads, sanding the stopping surface and putting a good sound deadening spray on the backing plate, there is only one other thing to do, install some top of the line Akebono ceramic pads. They don't squeak. make dust or cause the 3 Amigos to
come on, while lasting longer and stopping quicker.
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Old 08-30-2010, 08:49 AM   #3 (permalink)
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Are these available at most auto parts zone?
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Old 08-30-2010, 09:04 AM   #4 (permalink)
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Advanced has them.
Amazon $73.87
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Old 08-30-2010, 09:23 AM   #5 (permalink)
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Amazon and Autopartswharehouse.com
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To DOWNLOAD the RAVE Manual, follow this link http://www.landroverresource.com/

Rover Radio issues or IPOD Adapters http://home.valornet.com/splacket/index.htm


Need Parts?
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Old 08-30-2010, 10:15 AM   #6 (permalink)
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I have never personally replaced brake pads. I have a friend who will be helping me. Are they just clips? Any tips?
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Old 08-30-2010, 10:17 AM   #7 (permalink)
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How do the rotors hold up with these pads?
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Old 08-30-2010, 11:31 AM   #8 (permalink)
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Rotors hold up because a ceramic pad is less abrassive.

Pads are easy to replace, make sure to do a 3 pint brake flush when doing the brakes to get a firmer brake pedal.
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Retired service manager, member of Solihull Society, SCLR, NCLR and the Santa Barbara 4Wheelers clubs.
99 D2, 3" lift, CDL with Detroit,T.T. lockers, 4:11's,H.D. axles, custom ft/rear bumpers with sliders, a 9500 HSI Warn winch and 5 HID's.

To DOWNLOAD the RAVE Manual, follow this link http://www.landroverresource.com/

Rover Radio issues or IPOD Adapters http://home.valornet.com/splacket/index.htm


Need Parts?
paulgrant@mac.com or call 203-770-1699
willtillery@roverguy.com or call 434-251-9331
P.T. Schram 260-804-0458

Lucky8, http://lucky8llc.com/
British Parts of Utah, http://www.bputah.com/
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Old 08-30-2010, 11:50 AM   #9 (permalink)
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Get over it!

Does the truck stop? Isn't that what you want from your brake system?

I once had it explained to me that Brits want vehicles to stop. Americans want vehicles that don't make noise when the brakes are applied.
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Old 08-30-2010, 12:03 PM   #10 (permalink)
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Question 3 pint brake flush?

How do you do this?
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Old 08-30-2010, 07:35 PM   #11 (permalink)
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Arrow Squealin from the feelin

Sad to say, due to the composition of most brake pads they will squeal like a pig. The OE Land Rover pads do it, and so do my Rovers North ProLine (made by Mintex UK), but for some reason only in the rear positions. In the front there is no noise.
I have been informed by a number of Land Rover owners that Ferodo pads do not squeal (but they are expensive), but perhaps I will give those a try next time. For rotors, the best and least expensive I have found are Rovers North ProLine (made by Allmakes 4x4 in the UK). Been very happy with those as well.
FYI: a f/r set of std rotors & Ferodo pads cost $409.95 @ Atlantic British, while a f/r set of Rovers North ProLine (Allmakes 4x4 rotors & Mintex pads) cost $239.86.
All I can say is I have been very happy with the ProLine, and they work very well notwithstanding the squealing.
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Old 08-30-2010, 08:04 PM   #12 (permalink)
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I have Wagner thermo quite pads, I have never heard a squealing noise from them, they stop well and I haven't really noticed any dust. They should make noise my rotors look like a record player , not from my pads but they are original
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Old 08-30-2010, 08:20 PM   #13 (permalink)
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I have brand new Mintex brake pads, and brand new vented Terrafirma brake rotors, and they sequel right before the Disco actually comes to a stop, big deal. I can't hear it inside anyways
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Old 08-31-2010, 05:33 AM   #14 (permalink)
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Order the Akebono pads and get on with it.
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Mike

Retired service manager, member of Solihull Society, SCLR, NCLR and the Santa Barbara 4Wheelers clubs.
99 D2, 3" lift, CDL with Detroit,T.T. lockers, 4:11's,H.D. axles, custom ft/rear bumpers with sliders, a 9500 HSI Warn winch and 5 HID's.

To DOWNLOAD the RAVE Manual, follow this link http://www.landroverresource.com/

Rover Radio issues or IPOD Adapters http://home.valornet.com/splacket/index.htm


Need Parts?
paulgrant@mac.com or call 203-770-1699
willtillery@roverguy.com or call 434-251-9331
P.T. Schram 260-804-0458

Lucky8, http://lucky8llc.com/
British Parts of Utah, http://www.bputah.com/
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Old 08-31-2010, 08:12 AM   #15 (permalink)
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I replaced my rotors and pads bout 2000 miles with drilled and slotted rotors and ebc brake pads. My brakes use to squeal and moan like crazy before but so far have been good. Just my 2 cents.
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