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First Generation RL (1996-2004)

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Old 10-26-06, 02:17 PM   #1 (permalink)
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ABS problem :-(

hello

i changed ABS oil. It was dark and dirty. When I start the engine ABS module bzzzzzzzzz noise. After 30 seconds Abs module stop and turn on the ABS light on the dashboard. Can You tell me what is the problem ??

Chris
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Old 10-27-06, 12:13 PM   #2 (permalink)
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I have had the same problem. Long story short, the light was for a "pump overrun" code, which led to the $1000 replacement of the modulator and accumulator. When you say abs oil, you mean the brake fluid right??
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Old 10-27-06, 01:10 PM   #3 (permalink)
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Quote:
Originally Posted by petthepeep
I have had the same problem. Long story short, the light was for a "pump overrun" code, which led to the $1000 replacement of the modulator and accumulator. When you say abs oil, you mean the brake fluid right??
Yes , I mean brake fluid.

Chris

Last edited by chris_Poland; 10-27-06 at 01:22 PM.
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Old 10-27-06, 03:27 PM   #4 (permalink)
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Hi,

can you describe the procedure of changing the brake fluid?
maybe you have to bleed the system (air in system).
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Old 10-28-06, 12:23 AM   #5 (permalink)
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Ok, just making sure we were on the same page.

Yeah, you def have air in your brakes. Whats happening is the modulator is trying to build up pressure in the lines, but since there's too much air, it just shuts down the system. You will have to get your brakes bled.

Fill the master cylinder resevior to the max line.

Have someone pump the pedal several times and then apply steady pressure.

Loosen the brake bleed screw to allow air to escape from the brake line. These screws are located on each caliper.

Repeat for each tire in the following sequence:
Rear Right
Front Left
Rear Left
Front Right

Fill the resevior to the max line again.

Hope this helps. If you don't want to do it yourself, the dealer will prob charge your around $40-$60 to do it.
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Old 10-28-06, 03:44 PM   #6 (permalink)
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the 96 RL (Legend in Europe) has a separate reservoir for ABS brake fluid.
bleeding the brakes at the calipers won't help.
he's got the connect the so called ALB Checker to the ABS modulator unit. it will bleed the system by itself.

i suggest you bring your RL to a honda dealer and let them do it.
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Old 10-29-06, 10:43 PM   #7 (permalink)
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The modulator unti can be bled like the calipers, with no special eqiupment, and its actually easier to do.

1. Fill the (ABS) resevior to the max line.

2. Connect a tube to the maintenance bleeder, which is a little bolt next to the fill cap on the top of the modulator, and put the other end of the tube in a container.

3. Loosen the bleeder bolt and start the engine

4. Tighten the bolt when fluid starts to come out the tube to 8 ft-lb

5. Stop the engine once the modulator stops

If the ABS light comes on after the modulator stops, repeat steps 3-5.
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Old 11-01-06, 05:23 PM   #8 (permalink)
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CHECK THE ABS MODULATOR IF NO LEAK ,IF YES U NEED MODULATOR AND ACCUMULATOR HAD THE SAME ON MY 96
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Old 11-08-06, 03:38 AM   #9 (permalink)
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Quote:
Originally Posted by quicklegend View Post
CHECK THE ABS MODULATOR IF NO LEAK ,IF YES U NEED MODULATOR AND ACCUMULATOR HAD THE SAME ON MY 96
yea^

I think you can get a rebuilt one for about $400
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Old 08-30-09, 10:27 PM   #10 (permalink)
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I am having the pump overrun code on my car and am wondering about DIY replacement.

I tried the ABS pump bleed procedure above and *nothing* (very little) fluid came out of the bleed nut after running the pump. I followed the procedure in the helm manual (very similar to above) but instead of starting the car simply shorted the leads on the pump relay. The pump runs but it is supposed to get "crunchier" sounding with time as pressure builds and I get nothing.

Any one have experience with swapping the ABS pump / solenoids. Looks like six brake lines and three wire connectors. Can I bleed after install with the bleed nut and running the pump motor or do I need the ALB checker to cycle the solenoids?

My mechanic wants $350 to swap the ABS pump install (with my supplied ebay part) and suspect (strongly) he does not have an ALB checker for this system.

I love the idea of ABS but not the idea of $1000+ to get it working again.
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Old 05-06-10, 12:07 AM   #11 (permalink)
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Aha! sounds like my problem exactly.
The ABS light would come on regularly. The code I had was deemed to be for a left rear sensor, which I replaced. Had this problem on my old Accord and when done, the light never came on again. Not so this time! ABS light was back on in no time.
back to the drawing board.

There was this Bzzzzzzzzzzzz/clicking type sound that would sometimes come from under the hood right side. Not always, but sometimes. Would never last for long.
Anyway, we checked the fluid reservoir on the right and found it to be quite low, so we topped it up.
Light didn't come on for some time, plus we wondered why it was so low?
Anyway, after time it did come back on again.
However now it comes on much less, but still does, and it still has that Bzzzzzzzzzz sound when starting sometimes - but not always. I find if I pump the brake pedal it stops faster, and the light doesn't come on. if I don't pump, then it almost always comes on.

Is this the modulator and accumulator as described above? I was going to replace the other rear sensor, but I don't think that will solve anything. That doesn't cause the buzzing/clicking sound.
Is it worth it to bleed and see what happens first?


The light sometimes comes on after driving for a while, sometimes right after starting, and almost always after the buzzing sound. Sometimes it never comes on for numerous trips.

Thoughts/suggestions? Would like to get this resolved!
Thanks
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Last edited by astro303; 05-06-10 at 12:19 AM.
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Old 05-07-10, 05:10 PM   #12 (permalink)
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There might be more info in the service manual:
Download PDF Honda Acura 35RL Manual | PDFTown.com

I still have the ABS modulator pump from my old RL. Worked when I took it off the car. I can sell it for $100 + shipping....

(seamusnh@gmail.com)
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Old 05-09-10, 05:49 AM   #13 (permalink)
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how do you get this code...... ????
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Old 05-09-10, 11:49 PM   #14 (permalink)
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Hey seamus, I may take you up on that.
I presume its a compatible year obviously, and you say it was working fine when last used right.
It is the complete unit with accumulator and modulator, as I don't know which is suspect!
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Old 05-10-10, 11:16 PM   #15 (permalink)
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It is part number 57110-SZ3-A03 and according to acuraoempart.com, it fits 96 - 97. It is the entire assembly including the accumulator and modulator. I will send a picture before you send payment. If you are not satisfied, you can send it back and I'll refund the $100. We'd both be out the shipping but I don't want anyone stuck with a unusable part. It work fine when I took it out of the car. I never had a problem with the ABS. I live in NH and it came on often in the winter. The RL was a great car in the winter; I had a second set of wheels with snow tires. Contact me at seamusnh@gmail.com
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