Hissing, whistling sound

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Hissing, whistling sound

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Mitsubishi >> Mitsubishi Models >> Mitsubishi Montero & Montero Sport >> Hissing, whistling sound

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Hissing, whistling sound - 12/12/2006 11:20:11 AM

Winshawn

Posts: 269
Joined: 1/31/2005
Status: offline

So my 03 Montero has started to make a high pitched hissing whistling sound. At first I thought it was just the brake pads rubbing against the rotor, but it does not go away when you hit the brakes. It gets a bit quieter when the brakes are applied, but it is still pretty loud. I dont think it is a brake pad wear sensor, because it is on all the time. Besides, the pad thickness looks OK. I have not pulled the wheels yet, but I will tonight. Can a worn bearing make a noise like that? It only has 36k miles on it. (just out of warranty).

_____________________________

'90 Montero (sold-sadly)
'95 Montero LS (166k) - my car
'03 Montero Limited (36k) - wife's car

Post #: 1

RE: Hissing, whistling sound - 12/12/2006 12:48:47 PM

off roader

Posts: 419
Joined: 10/20/2005
Status: offline

Out of curiousity did you inspect both the inner and outer brake pads for wear? You may be wearing one side more than the other. It's happened on mine before.

< Message edited by off roader -- 12/12/2006 12:49:22 PM >

(in reply to Winshawn)

Post #: 2

RE: Hissing, whistling sound - 12/13/2006 12:31:26 AM

Winshawn

Posts: 269
Joined: 1/31/2005
Status: offline

Pulled the wheel and caliper tonight. You were right Offroader. The inside wore a bit more than the outside. Still, it is surprising the warning tab was going off. Ther was probably 3/32 left in the inner pad and 1/8 left on the outer pad. Anyway, nice that it just requires a new set of pads. Only 37k miles though.

_____________________________

'90 Montero (sold-sadly)
'95 Montero LS (166k) - my car
'03 Montero Limited (36k) - wife's car

(in reply to off roader)

Post #: 3

RE: Hissing, whistling sound - 12/13/2006 1:45:03 AM

off roader

Posts: 419
Joined: 10/20/2005
Status: offline

If you use OEM pads they will last longer unless you opt for high end metalics (only found in specialty shops and not basic auto parts places) but then again they're much more expensive and don't necessarily brake better although I'm not 100% on the last point.

(in reply to Winshawn)

Post #: 4

RE: Hissing, whistling sound - 12/13/2006 10:51:37 AM

Winshawn

Posts: 269
Joined: 1/31/2005
Status: offline

So, my wife gets home and I tell her it is just the indicator tab on the brake pads. So, she asks me if I broke off the tab so she would not have to endure the noise until I get time to do a brake job. Well... Umm... No. Did not think of that.

_____________________________

'90 Montero (sold-sadly)
'95 Montero LS (166k) - my car
'03 Montero Limited (36k) - wife's car

(in reply to off roader)

Post #: 5

RE: Hissing, whistling sound - 12/13/2006 1:32:06 PM

off roader

Posts: 419
Joined: 10/20/2005
Status: offline

That's fine and in fact it will break off on it's own if left alone, however be careful... If you forget to do them because... well there's enough stuff going on with the holiday season... then you may have a more expensive problem than just swapping out the pads.

quote:

ORIGINAL: Winshawn

So, my wife gets home and I tell her it is just the indicator tab on the brake pads. So, she asks me if I broke off the tab so she would not have to endure the noise until I get time to do a brake job. Well... Umm... No. Did not think of that.

(in reply to Winshawn)

Post #: 6