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Old 03-08-2008, 09:50 AM   #1
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Default ABS code 18 *searched*

Well, I finally got around to checking the ABS code today, and it was the code 18 (high pressure system). Well, I searched around for "abs high pressure system" "abs high pressure" "abs code 18" etc., and I found out that the gold cylinder (accumulator) could be the problem if it is leaking around the sticker area. Well, when I looked at it, there is definitely a sign of leakage around the sticker. People said that I could replace the accumulator and pressure bleed the system, but when they did this, the modulator went out shortly thereafter.

So now I have some questions.

How do you pressure bleed the system?

Can I get away with just replacing the accumulator? Or would it be smart to just replace the modulator and accumulator?

Could I do this work myself or should I have a shop do it?

Thanks for all the help!
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Old 03-08-2008, 11:23 AM   #2
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Default Re: ABS code 18 *searched* (thtguybryan)

Bump, i got similar problem.

I got the same code 18.

I checked around my abs accumulator, but i didnt notice any sign of leakage.
But my Brake MASTER Cyclinder is leaking, and i will be replacing that soon.

I tried bleeding out the old abs fluid with new.

When the ABS light turns on i have NO ABS at all, when i brake hard i have to use my hand brake along with footbrake Click the image to open in full size. Click the image to open in full size.

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Old 03-08-2008, 06:42 PM   #3
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Default Re: ABS code 18 *searched* (HypnotikEFX)

Quote:
Originally Posted by HypnotikEFX
Bump, i got similar problem.

I got the same code 18.

I checked around my abs accumulator, but i didnt notice any sign of leakage.
But my Brake MASTER Cyclinder is leaking, and i will be replacing that soon.

I tried bleeding out the old abs fluid with new.

When the ABS light turns on i have NO ABS at all, when i brake hard i have to use my hand brake along with footbrake Click the image to open in full size. Click the image to open in full size.
I have the notorious sign of leakage. Click the image to open in full size. Sucks doesn't it? Haha.
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Old 03-09-2008, 11:43 AM   #4
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Default Re: ABS code 18 *searched* (thtguybryan)

Dude i almost got into an accident cuz some big truck in front of me slammed on the brake, i had to brake full and grab the e-brake all the way up Click the image to open in full size.
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Old 03-11-2008, 10:21 AM   #5
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Default Re: ABS code 18 *searched* (HypnotikEFX)

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Originally Posted by HypnotikEFX
Dude i almost got into an accident cuz some big truck in front of me slammed on the brake, i had to brake full and grab the e-brake all the way up Click the image to open in full size.
That sucks man, I gotta find a fix for this. When I do, I'll be sure to post back so you can know how I did it. Click the image to open in full size.
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Old 03-12-2008, 10:35 PM   #6
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Default Re: ABS code 18 *searched* (thtguybryan)

well, i searched some threads on team-integra.net and i found some ppl changed out some seal in the accumulator, and that you can test if your accumulator is bad by bleeding it out, and measure how much fluid comes out.

Also i found a large trail of brake fluid ruining my paint from my BRAKE MASTER CYLINDER,
so im going to have that replaced in a few days and hopefully somehow it fixes my ABS problem too Click the image to open in full size.
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Old 03-13-2008, 10:14 AM   #7
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Default Re: ABS code 18 *searched* (HypnotikEFX)

Quote:
Originally Posted by HypnotikEFX
well, i searched some threads on team-integra.net and i found some ppl changed out some seal in the accumulator, and that you can test if your accumulator is bad by bleeding it out, and measure how much fluid comes out.

Also i found a large trail of brake fluid ruining my paint from my BRAKE MASTER CYLINDER,
so im going to have that replaced in a few days and hopefully somehow it fixes my ABS problem too Click the image to open in full size.
Nice. My plan right now is to find the ABS modulator/accumulator, replace them, and see what happens. This would be the easiest thing to do, as long as you can find a nicely priced used modulator and accumulator. Good luck man and let me know how it works out! Click the image to open in full size.
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Old 03-13-2008, 08:47 PM   #8
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Default Re: ABS code 18 *searched* (thtguybryan)

keep me posted
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Old 03-17-2008, 05:51 PM   #9
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Default Re: ABS code 18 *searched* (HypnotikEFX)

There are a few cheap ABS modulators/accumulators on Ebay right now. There's one for like $15. Click the image to open in full size.
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Old 03-18-2008, 01:28 PM   #10
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Default Re: ABS code 18 *searched* (thtguybryan)

ebay abs, i might do that after a few more things.

Well i put a new Brake Master cylinder in and i bench bled it. my old one was leaking/broke.
I also replaced all the brake pads, then i bled most of the old fluid out from all corners of my brakes, im pretty sure i got any/all the air out of the system.

drove it for 30 miles with no ABS light on, and the braking felt way better.

Then last night when i was driving i heard the abs pump go on while i was driving, sounded normal, a few minutes later the ABS light came on again. Click the image to open in full size. Click the image to open in full size.


I checked the abs fluid level, its full.

I dont know if i had to flush out the abs fluid too??, maybe there is some air in there that i couldnt get while bleeding the brakes??

I dont see any leaks at all coming from my abs accumulator.... Click the image to open in full size.

Im going to double check the ABS code, and flush out the abs system in case there is any air trapped inside.
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Old 03-19-2008, 08:39 AM   #11
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Default Re: ABS code 18 *searched* (HypnotikEFX)

Quote:
Originally Posted by HypnotikEFX
ebay abs, i might do that after a few more things.

Well i put a new Brake Master cylinder in and i bench bled it. my old one was leaking/broke.
I also replaced all the brake pads, then i bled most of the old fluid out from all corners of my brakes, im pretty sure i got any/all the air out of the system.

drove it for 30 miles with no ABS light on, and the braking felt way better.

Then last night when i was driving i heard the abs pump go on while i was driving, sounded normal, a few minutes later the ABS light came on again. Click the image to open in full size. Click the image to open in full size.


I checked the abs fluid level, its full.

I dont know if i had to flush out the abs fluid too??, maybe there is some air in there that i couldnt get while bleeding the brakes??

I dont see any leaks at all coming from my abs accumulator.... Click the image to open in full size.

Im going to double check the ABS code, and flush out the abs system in case there is any air trapped inside.
Yeah, I think you have to bleed the ABS system as well. Keep me posted man, you might have found the fix for yours. Click the image to open in full size. Click the image to open in full size.
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Old 12-02-2008, 01:21 PM   #12
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Default

My bro is getting this code also. So you fix it by buying a new accumulator?
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Old 01-26-2014, 07:28 PM   #13
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Default Re: ABS code 18 *searched*

hello i have honda accord....95 vtech.......and i have the problem......that when i start the car get in drive and push the acelerator and give gas.....the car dont move......until......a few second after.......and start running normal.............i wanna know what is the problem........please some help..............
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