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Old 12-28-2004, 08:16 PM   #1
TyranosaurusWRX
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Default Parking brake light stays on

Kinda weird, but I am assuming it is a loose wire somewhere. The brake is not actually engaged but the light stays on. If I accelerate rapidly the light will go off, sometimes for good but not always. If I brake aggressively the light may tend to come back on.
Where would I look to check for this problem? I am going to start by pulling up the center console....any other ideas?
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Old 12-28-2004, 08:23 PM   #2
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Low brake fluid. The light is also connected to a level sensor in the brake fluid reservoir. When the level starts to get low, usually due to worn pads, the light will come on occasionally when turning, accelerating, braking etc. Eventually it may remain on steadily.
Check your pads before adding more fluid, chances are they are low. If so replace them first before adding fluid, or it may overflow later.
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Old 12-28-2004, 08:29 PM   #3
TyranosaurusWRX
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Ahhh, that makes perfect sense. I think I am still riding on the original pads, so that all falls into place. Thanks for the tip!!!
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Old 12-05-2008, 10:05 PM   #4
Teufelhund
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I'm so glad I found this thread. I have been trying to disconnect and reconnect wire connections to my parking break switch to no avail. I'm going to try to add some brake fluid tomorrow to see if this fixes the problem... too bad I don't have access to some nice Brembo rotors and calipers. I would love to slap them on in conjunction with some nice steel braded lines. I wish my ol suby braked like my Evo... maybe some day.
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Old 12-06-2008, 12:44 AM   #5
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Quote:
Originally Posted by Teufelhund View Post
I'm so glad I found this thread. I have been trying to disconnect and reconnect wire connections to my parking break switch to no avail. I'm going to try to add some brake fluid tomorrow to see if this fixes the problem... too bad I don't have access to some nice Brembo rotors and calipers. I would love to slap them on in conjunction with some nice steel braded lines. I wish my ol suby braked like my Evo... maybe some day.
you almost certainly need new brake pads

and properly done your brakes can be FAR better without any silly Brembos

no....really....just ask me how
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Old 02-02-2009, 11:29 AM   #6
sciroccokid
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Quote:
Originally Posted by Uncle Scotty View Post
you almost certainly need new brake pads

and properly done your brakes can be FAR better without any silly Brembos

no....really....just ask me how

How?! Buying new pads today. . .
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Old 02-05-2009, 08:14 AM   #7
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Hey me too. This makes sense since I've still got the stock pads/rotors.

I'll give it a go.
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Old 02-05-2009, 02:46 PM   #8
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Quote:
Originally Posted by Uncle Scotty View Post
you almost certainly need new brake pads

and properly done your brakes can be FAR better without any silly Brembos

no....really....just ask me how
Quote:
Originally Posted by sciroccokid View Post
How?! Buying new pads today. . .
Quote:
Originally Posted by Addict View Post
Hey me too. This makes sense since I've still got the stock pads/rotors.

I'll give it a go.
OK....

The pre '06 wrx has a garbage stock brake combination and thus the bias is WAY too far to the front.

this is EASY and CHEAP(relativly) to correct....and shift the bias to the rear a bit to make the rear brakes actually DO something.

All ya need is the CORRECT rear---yes REAR brake caliper mounting brackets to use the 290x10 rear brake disc and the discs...and remove the rear 'dust shields' from the backing plate

This is the 'h6' rear brake mod

Now...02 - 05 wrx uses 2 DIFFERENT rear brake pad 'shapes' and this is the only real complicated part......

see the linked thread below and pay attention to the racing brake link in post #19

http://forums.nasioc.com/forums/show...3#post25469273


also....the master cylinder brace is no joke....get one....no really

and good pads and fluid and you will be amazed at how much better your brakes are
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Old 02-05-2009, 03:42 PM   #9
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Good advice there Uncle Scotty. I was thinking about the H6 upgrade since I've got to swap them out anyhow. The cost doesn't seem too much more. Also found the RacingBrake rear brackets that allow me to use the newer style pads. Save me from forgetting which pads to order next time around.
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Old 02-06-2009, 06:32 AM   #10
channerhewitt
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Originally Posted by Mulder View Post
Low brake fluid. The light is also connected to a level sensor in the brake fluid reservoir. When the level starts to get low, usually due to worn pads, the light will come on occasionally when turning, accelerating, braking etc. Eventually it may remain on steadily.
Check your pads before adding more fluid, chances are they are low. If so replace them first before adding fluid, or it may overflow later.

Thanks for the info, I had the same problem like that....
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Old 02-06-2009, 08:26 AM   #11
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Whaddya know. My brakes started squeaking last night.
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Old 02-10-2009, 01:13 PM   #12
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just encountered this myself yesterday. Wasnt sure, finally last night i adjusted my parking brake, and today the light stays on. I guess this weekend ill be pulling my brakes and checking their wear/fluid
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Old 02-10-2009, 02:31 PM   #13
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Originally Posted by twizhimself View Post
just encountered this myself yesterday. Wasnt sure, finally last night i adjusted my parking brake, and today the light stays on. I guess this weekend ill be pulling my brakes and checking their wear/fluid
You don't have to pull anything.

You can verify the fluid level by just opening the hood.

You can see the pad wear by just peeking through the spokes of the wheel. You won't be able to see the inside pad, but it will give you a good idea if that's the reason the light is on.

-Duncan
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Old 02-11-2009, 10:27 PM   #14
dryvby
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h6 upgrade made an awesome difference along with metal lines on my impreza. im gonna take unkle scottys advise and give the cylinder brace a whirl. any manufacturer that you would recommend for the brace would be great scotty.
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Old 02-12-2009, 08:31 AM   #15
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h6 upgrade made an awesome difference along with metal lines on my impreza. im gonna take unkle scottys advise and give the cylinder brace a whirl. any manufacturer that you would recommend for the brace would be great scotty.
Buy the Cusco. It mounts with more bolts than the Perrin and it's made out of steel.

-Duncan
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Old 02-12-2009, 03:10 PM   #16
dryvby
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coo, thanks dunk
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Old 02-24-2009, 08:00 AM   #17
IVGottaBDreamin
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So do you think it's the same problem if the brake light only comes on in the morning when I'm driving to work in the cold? The past two mornings I've driven my car to work it's been pretty cold (atleast for SC temps) and the brake light has been on both mornings. but not after work or at night. I wonder if its my fluid level too...
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Old 02-24-2009, 08:15 AM   #18
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Quote:
Originally Posted by IVGottaBDreamin View Post
So do you think it's the same problem if the brake light only comes on in the morning when I'm driving to work in the cold? The past two mornings I've driven my car to work it's been pretty cold (atleast for SC temps) and the brake light has been on both mornings. but not after work or at night. I wonder if its my fluid level too...
Cold causes contraction. Warm/hot causes expansion. Think about it for a sec and you'll answer your own question.







...Its an easy check. Pop the hood and look at the reservoir when its cold.
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Old 03-01-2009, 09:57 PM   #19
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Finally got my pads & rotors swapped out. Went with stock OE spec and Hawk HPS pads.
Fronts...

Rears...


Think the change was overdue? Got new fluid and the MBC brace sitting the garage. Those are next.

Brake light is out. Thanks again Uncle Scotty.
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