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Re: This brake problem is driving me NUTS!
[Re: CJMT100]
#848485
12/29/07 07:37 PM
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Joined: Jun 2000
Posts: 899
Rock Warrior
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I got one now! (Hi to those who've not heard from Mr SuperPicky in awhile!)
My Brake Light comes on. Is this just the parking brake switch going bad? Seems at first accel or a subtle turn it will light up. Sometimes pulling the HB and pushing it back kills the light. My fluid levels are between Min and Max. No ABS. I'm ordering a new switch from Gettel incase...189K miles on her...
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Re: This brake problem is driving me NUTS!
[Re: uzombie]
#848486
12/29/07 08:19 PM
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Joined: Feb 2007
Posts: 476
Mudrunner
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Could be yer brake fluid sensor on top of the master cylinder. My brake light kept coming on but dim and not consistent all the time...and my fluid was topped up, too!
Since I check my brake fluid all the time...I just unplugged the sensor. <img src="/forums/images/graemlins/wink.gif" alt="" />
1998 T-100 Xtra cab SR5 2WD Auto; Roadmaster Active Suspension; Yokohama Geolander HT-S; lowered air dam; full belly pan; 4? diffuser; 11" side skirts; dual transmission coolers; 67% grill blocked; Auto-RX'd; ScanGauge II/Ultra-Gauge
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Re: This brake problem is driving me NUTS!
[Re: BamZipPow]
#848487
12/31/07 05:09 PM
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Joined: Jun 2000
Posts: 899
Rock Warrior
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Well, whaddayaknow! Yesterday, it was warmer out (50F? in Dec, in PA??) and the light didn't come on. So I stopped and wanted to look to see something under the hood (clip broke on the hood prop) and I took another look at the brake fluid res...sure enough, it looked like it was 'tween Min-Max but really it was just at Min...so I'm gonna top it off to Max and see what happens. Atleast this means my brakes are wearing...
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Re: This brake problem is driving me NUTS!
[Re: uzombie]
#848488
01/01/08 02:23 AM
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Joined: Oct 2002
Posts: 15,887
Toyota & Classifieds Moderator
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I've noticed between my old Yotas and my 'new' '99 rig that the sensor for the fluid level is a LOT more sensitive than on the old rigs; if it goes down one smidgen, it'll trip the light, esp on acceleration as described. Topped off, behaves as advertised. Non-abs also.
http://www.walkablecommunities.org/Democracy is two wolves and a lamb voting on what to have for dinner. Liberty is a well-armed lamb contesting the vote. **ubi apis- ibi salus**
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Re: This brake problem is driving me NUTS!
[Re: uzombie]
#848489
01/01/08 05:08 PM
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Joined: Apr 2006
Posts: 658
Rock Warrior
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1/8" drop turns my 93T light on and it is somehow connected to the cruise control as it will not engage with the light on. Keep it on the high side.
Get some sticky backed velcro for the hood prop. Put about a 1 inch strip where the plastic thingy is on the radiator brace and wrap the other half around the shaft. No wiggles, rattles and it works.
trafdlo
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Re: This brake problem is driving me NUTS!
[Re: CJMT100]
#848490
01/02/08 08:47 PM
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Joined: Jul 2003
Posts: 1,262
Body Damage is Cool
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Boy has this thread gone all over the place!
Low brake pedal, inconsistent brake pedal, weird feeling brakes. Beware the load sensing proportioning valve! It lives on the frame over the rear axle. There is a bleed nipple on it that is often overlooked. It also sludges up and doesn't work right. Disassemble it and clean it. All by itself, this can frequently fix the whole problem.
Brake light on. The sensor in the fluid tank cover frequently requires the fluid to be at or above the max line in order to stay off. Top up your tank and this can fix things.
Brake light on, part II. If pushing the hand brake forward turns the light out, the red-neck fix is to tape the switch shut. The real problem is the cable not pulling the hand brake handle down. Clean up and lubricate the hand brake mechanisms under the truck.
'97 T-100 SR5 '86 Toyota's, the variety pack (all gone)
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Re: This brake problem is driving me NUTS!
[Re: foxtrapper]
#848491
01/03/08 12:18 AM
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Joined: Sep 2006
Posts: 981
OP
Rock Warrior
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Well my problem was solved by the stinking rear wheel cylinders only working 50%. Replaced those and the rear shoes and was golden..
It was just overlooked b/c it seemed the problems were coming from the front..or so we thought. After we replaced the calipers (damned remans locked up on me after a year) we figured it out.
Last edited by CJMT100; 01/03/08 12:19 AM.
1996 T100, Mickey Thomson Classics, Bridgestone Dueler AT 265/75/16, custom offroad KC's.
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Re: This brake problem is driving me NUTS!
[Re: CJMT100]
#848492
01/03/08 03:27 AM
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Joined: Feb 2007
Posts: 476
Mudrunner
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What brand did you replace the faulty ones with?
1998 T-100 Xtra cab SR5 2WD Auto; Roadmaster Active Suspension; Yokohama Geolander HT-S; lowered air dam; full belly pan; 4? diffuser; 11" side skirts; dual transmission coolers; 67% grill blocked; Auto-RX'd; ScanGauge II/Ultra-Gauge
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Re: This brake problem is driving me NUTS!
[Re: BamZipPow]
#848493
01/03/08 04:48 AM
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Joined: Sep 2006
Posts: 981
OP
Rock Warrior
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Faulty ones were bendix. I think its partically my fault b/c when I did the brakes one time I took both sides off at the same time (dont do that, pistons came come out) and the piston kinda came outta the one side..
IIRC the new ones are bendix too, but I havent had any issues, well other than them rusting to hell. I think perhaps though that the rear wheel cylinders partically caused it as I drove ALOT of miles with the brakes like that b/c bleeding did nothing we thought it was a fluke..
Why do all parts from the parts store come uncoated? I think I am gonna take the wheels off when it warms up, take my grinder and go to town on them with a wire wheel and paint them.
1996 T100, Mickey Thomson Classics, Bridgestone Dueler AT 265/75/16, custom offroad KC's.
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Re: This brake problem is driving me NUTS!
[Re: CJMT100]
#848494
01/03/08 08:07 AM
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Joined: Jun 2005
Posts: 447
Mudrunner
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Why do all parts from the parts store come uncoated? I think I am gonna take the wheels off when it warms up, take my grinder and go to town on them with a wire wheel and paint them.
Because this costs money, is why <img src="/forums/images/graemlins/lol.gif" alt="" /> That's a great idea to coat them. I thought about taking mine apart (the body splits into 2 halves) and spraying them while I was waiting for the rubber kit to come in stock at the dealer. If anyone wants advice to do this there are several write ups with photos on the internet, just search for "girling caliper rebuild." The ones on the Jag are just like ours.
97 T100 4x4 97 328i 95 540i restoration project
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