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Old 12-15-2010, 09:44 AM   #1 (permalink)
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Yesterday the ABS light stayed on in my 1995 Integra for the first time. It was cold. Very cold. I tested the brakes and had great braking power. However the ABS was definately not working as I was able to lock up the wheels. After driving for about 45 minutes the ABS light went out and ABS functionality returned.

Is this a sign of an upcoming problem or should I just ignore it as an anomaly. What tests, if any, should I perform?

While there are plenty of threads about ABS on the site, none I found were cold weather specific.

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Old 12-15-2010, 10:34 AM   #2 (permalink)
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Check your brake fluid level. If that is ok you may want to give the ABS wheel sensors a good cleaning.
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Old 12-15-2010, 11:27 AM   #3 (permalink)
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Fluid level okay. I will check the wheel sensors as soon as Georgia comes out of the deep freeze. Brrrrr!

Thanks for the suggestion.

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Old 12-15-2010, 12:01 PM   #4 (permalink)
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You could try flushing the fluid in the ABS system though I think the o-rings in the modulator are worn and hard after 15 years. I have the same issue in my 95 LS and had disassembled the modulator for cleaning/inspection and saw noticeable ware on the solenoid o-rings. I may try to source the o-rings or spend ~$500 for a reman modulator from rock auto.
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Old 12-16-2010, 11:49 AM   #5 (permalink)
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Quote:
Originally Posted by gghost on Dec/15/10
Fluid level okay. I will check the wheel sensors as soon as Georgia comes out of the deep freeze. Brrrrr!

Thanks for the suggestion.

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The deep freeze may be part of your problem. Frozen crud doesn't fall off as you drive...
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Old 12-16-2010, 11:53 AM   #6 (permalink)
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Quote:
Originally Posted by gghost on Dec/15/10
Yesterday the ABS light stayed on in my 1995 Integra for the first time. It was cold. Very cold. I tested the brakes and had great braking power. However the ABS was definately not working as I was able to lock up the wheels. After driving for about 45 minutes the ABS light went out and ABS functionality returned.

Is this a sign of an upcoming problem or should I just ignore it as an anomaly. What tests, if any, should I perform?

While there are plenty of threads about ABS on the site, none I found were cold weather specific.

gghost
Instead of guessing what's wrong, use the ECU code article to jump the service connector. The abs light will blink like the CHECK engine light and you can get an error code for the ABS system and troubleshoot.
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Old 12-16-2010, 12:03 PM   #7 (permalink)
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Quote:
Originally Posted by DaddyCat on Dec/15/10
You could try flushing the fluid in the ABS system
Stupid Question number 2021: I plan to flush and replace the brake fluid when I do some brake maintanance in the very near future. Won't this also flush the fluid in the ABS system?
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Old 12-16-2010, 12:06 PM   #8 (permalink)
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Quote:
Originally Posted by MeltMan on Dec/16/10
Instead of guessing what's wrong, use the ECU code article to jump the service connector. The abs light will blink like the CHECK engine light and you can get an error code for the ABS system and troubleshoot.
Tried that last night. No codes returned. Now suspect it of being a cold weather gremlin.
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Old 12-16-2010, 01:19 PM   #9 (permalink)
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This is a common problem with the brake light, NOT the ABS light... the float sensor on the brake fluid cap gets stuck when the weather cools down. Are you sure it's the ABS light that's on and not the Red BRAKE light?

Just asking....

Otherwise I would try cleaning your sensors like previously mentioned. It sometimes takes a while for the light to come back on when this is the case.
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Old 12-16-2010, 01:33 PM   #10 (permalink)
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Quote:
Originally Posted by gghost on Dec/16/10
Quote: DaddyCat on Dec/15/10You could try flushing the fluid in the ABS system
Stupid Question number 2021: I plan to flush and replace the brake fluid when I do some brake maintanance in the very near future. Won't this also flush the fluid in the ABS system?

2 seperate brake systems on the 94-97 Integras, The ABS needs to be flushed/bled by its self.

Here is the procedure for ABS brake fluid replacement and bleeding for '94-'97 Integras only (from the Helms manual):

1.) Remove the bleeder cap from the maintenance bleeder on the modulator unit.

2.) Attach the wrench to the maintenance bleeder.

3.) Connect a rubber tube of the appropriate diameter to the maintenance bleeder, and set the other end of the rubber tube in a suitable container.

4.) While holding the rubber tube with your hand, slowly loosen the maintenance bleeder 1/8 to 1/4 to collect the brake fluid in the container.

CAUTIoN: Do not loosen the maintenance bleeder too much. The high-pressure brake fluid can burst out.

5.) Tighten the maintenance bleeder.

6.) Start the engine and let it idle for a minute. Stop the engine.

7.) Check the brake fluid level in the reservoir. It should be below the MAX (upper) level line.

8.) Repeat the steps 4 through 7 to drain the rest of the brake fluid from the modulator unit.

9.) Remove the cap, and refill the reservoir to the MAX (upper) level with fresh brake fluid.

10.) Repeat steps 4 through 8 twice, and refill the reservoir to the MAX (upper) level with fresh brake fluid.

11.) Tighten the maintenance bleeder to the specified torque (8 lbf-ft).

12.) After replacement, start the engine and make sure that the ABS indicator light goes off.

Note: this ABS bleeding procedure only applies to '94-'97 Integras. The ABS system on '98-'01 Integras is different (ie. it does not have a seperate brake fluid reservior for the ABS system) and does not require a seperate bleeding procedure for the ABS system.
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Old 12-17-2010, 08:53 AM   #11 (permalink)
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*** Removed by user at Dec 17 2010 8:10AM (Server Time) ***

DaddyCat, Thanks for the response. The topic has been locked by the site gestapo who do not believe their search engine is sadly flawed.
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Old 12-17-2010, 09:11 AM   #12 (permalink)
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Quote:
Originally Posted by chickwithastick on Dec/16/10
This is a common problem with the brake light, NOT the ABS light... the float sensor on the brake fluid cap gets stuck when the weather cools down. Are you sure it's the ABS light that's on and not the Red BRAKE light?

Just asking....

Otherwise I would try cleaning your sensors like previously mentioned. It sometimes takes a while for the light to come back on when this is the case.
Since it says ABS, and not BRAKE, I assume I am talking about the ABS light.
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Old 12-17-2010, 01:56 PM   #13 (permalink)
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You can assume all you want, however I know what ASSuming does, and refrain from doing so.

Cleaning the sensors is easy and I can guarantee they're dirty if they have never been cleaned anyway. It wouldn't hurt.
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Old 01-10-2011, 09:20 PM   #14 (permalink)
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I got the same random "cold weather ABS light" tonite. Very very cold here. Bothering me though because over the weekend I removed the metal brackets from the rear abs lines because they kept clanging against my shock forks because of the SK2 LCAs. I didn't notice the ABS light on for the last couple days I've been driving since I did the removal, but then again I can't say for sure. hoping it is just the cold or maybe some salt/ice debris on a sensor that can be washed off.
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