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Old 07-17-2024, 11:55 AM #1
4Runnerarator 4Runnerarator is offline
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Low brake pads = brake light
Can anyone tell me if worn brake pads can illuminate the brake light on the dash? I’m able to drive for a few miles, and then the brake light slowly illuminates from a faint light to full red. It’s not as bright as it would be if I put on the emergency brake.

SOS. Help?
Last edited by 4Runnerarator; 07-17-2024 at 12:20 PM.
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Old 07-17-2024, 02:08 PM #2
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Check your brake fluid level.

There's no brake pad sensor on these, so no chance the pads themselves are responsible.

On the other hand worn pads will have the pistons extended further, lowering the fluid level in the reservoir and maybe triggering a warning if it's borderline?
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Old 07-17-2024, 03:59 PM #3
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As mentioned, worn brake pads will cause brake fluid level in reservoir to drop. This does not mean fluid has leaked out. Always check fluid level after replacing pads.
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Old 07-17-2024, 04:17 PM #4
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I definitely don’t have low brake fluid. The light goes away upon restart but then as I’m driving the light slowly illuminates. It starts off dim and then starts to increase in brightness.

we did have the mother of all rain storms yesterday. The worst of my lifetime for sure. I didn’t drive through it. So wonder if it might be related.
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Old 07-17-2024, 09:37 PM #5
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Quote:
Originally Posted by 4Runnerarator View Post
I definitely don’t have low brake fluid. The light goes away upon restart but then as I’m driving the light slowly illuminates. It starts off dim and then starts to increase in brightness.

we did have the mother of all rain storms yesterday. The worst of my lifetime for sure. I didn’t drive through it. So wonder if it might be related.
Agree with others - brake fluid low. When marginally low, it can slosh around and the brake light can go on and off.
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Old 07-17-2024, 09:59 PM #6
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E-brake light on?....why

And from the 3rd gen:

Emergency Brake Light appears randomly

FYI, parking brake warning light has TWO functions
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Old 07-19-2024, 03:22 PM #7
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Thx to all those that replied. I let my 4Runner sit one day and the light is gone. My fluid is at the correct level. I am thinking it was from the massive rain storm and extreme humidity. Never seen rain like that and I did drive through a foot of rain for quite some distance

Long live full time 4WD
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