Re: Brakes have resistance??? - Saab 900 Bulletin Board - Saabnet.com
The banner above is an advertisment - if it asks you to download software, please ignore.
Site News - 7/1: Members: Log In to See Fewer Ads! | 5/28: SAAB Evolutions/TSN T-Shirts $14
[General | Members | C900 | 9000 | NG900 & OG93 | 93 | 95 | NG95 | 99 | Sonett | Vintage Models | Clubs | Other Cars | FAQs | Gifts | Member Photo Galleries | Member Directory | Classifieds | Manuals | *Buddy Registry | *Mileage Registry | Polls | What's New | Raffle | Photo of the Month | Sponsors]

C900 Bulletin Board
1979-1993 & 94 Conv [Subscribe to Daily Digest]
(Search Author's Posts: e.g. Keyword:username)*Members Only

[Main C900 Bulletin Board | BBFAQ | Prev by Date | Next by Date | Post Followup ] Member Login / Signup - Members see fewer ads. - Latest Member Gallery Photos
Re: Brakes have resistance???
Like This Post: - Subscribe to Daily Digest for this Bulletin Board
Posted by johnf (more from johnf) on Fri, 15 Oct 2004 07:40:46 Share Post by Email
In Reply to: Brakes have resistance???, Steve, Thu, 14 Oct 2004 20:50:33
Alert me when someone posts in this thread:
Members do not see ads below this line. - Help Keep This Site Online - Signup

If the brakes are ABS ('88 models varied: if there are a numer of wiring connectors on and around the brake fluid reservoir it's ABS) a hard pedal after repeated use of the brakes indicates that the ABS system can't maintain pressure in the hydraulic system. There are several possible causes for this:
1. brake fluid level is very low. Check and fill to the line on the reservoir.
2. The pressure accumulater has an internal leak. Turn the ignition on but don't start the engine, listen for a buzzing sound near the brake master cylinder; that's the ABS pump pressuring the system. Wait for the brake fluid light to go out and the buzzing to stop. Press and release the brake pedal hard and quickly counting each application until the brake fluid light comes on. It should take 10 to 15 applications. If it's less than 8 there is an issue with the accumulator which will need replacing. After you stop pumping the brake pedel listen for the buzz from the ABS pump: how long does it take for the light to go back off? seconds? minutes? never? leading to #3.
3. The ABS pump is on the way out; What does the ABS pump noise sound like? Open the hood and listen closely for the pump noise. You may need to pump the brakes again to get it to come on. It's located under brake master cylinder; a cylider mounted transversely, just behing the alternator pulley. the noise should be a smooth hum or a soft buzzing noise, if it sounds rattlely or intermittant the pump is dying.


posted by 66.56.18...

Posts in this Thread:
Alert me when someone posts in this thread:
Members do not see ads below this line. - Help Keep This Site Online - Signup
Post a Followup

No Site Registration is Required to Post - Site Membership is optional (Member Features List), but helps to keep the site online
for all Saabers. If the site helps you, please consider helping the site by becoming a member.

Name: Member Login / Signup - Members see fewer ads. - Latest Member Gallery Photos
E-Mail: (Optional)
Re-Enter E-Mail: (Confidential & Secure - Not revealed to other users!)
Note: Please check your spam folder for BB responses.

Subject:

Posting rules are simple - No for sale/wanted ads may be posted here - use the site classifieds.
You may not cross-post your message to multiple BBs.
Not permitted: political/religious topics and being disrespectful (personal attacks, insults, etc...).
 Site Members do not see any red text, inline ad links, bottom of page anchor ads, box ads, or anti-spam check.

Message: (please no for sale/wanted classifieds - post those in the Saabnet.com Classifieds)
Links are now automatically made active, no need for any special code (or use the Option Link field below) - don't put links in () or end with a '.'
To add inline images to your post, use [img]http://www.domain.com/img.jpg[endimg] (or use the Optional Image Link field below).

Links are now automatically made active, no need for any special code (or use the Option Link field below) - don't put links in () or end with a '.'
To add inline images to your post above, use [img]http://www.domain.com/img.jpg[endimg] (or use the Optional Image Link field below).
Optional Link: (e.g. http://www.saabnet.com/)
Link Title: (Optional)
Optional Photo/Image Link: (e.g. http://www.saabnet.com/img.jpg)
Photo/Image to Upload: (Please be patient while file uploads)



StateOfNine.com
SaabClub.com
Jak Stoll Performance
M Car Covers
Ad Available

The content on this site may not be republished without permission. Copyright © 1988-2024 - The Saab Network - saabnet.com.
For usage guidelines, see the Mission & Privacy Notice.
[Contact | Site Map | Saabnet.com on Facebook | Saabnet.com on Twitter | Shop Amazon via TSN | Site Donations]

Random Saabnet.com Member Gallery Photos (Click Image)
This is a moderated bulletin board - Posting is a privilege, not a right. Unsolicited commercial postings are not allowed (no spam). Please, no For Sale or Wanted postings, SERIOUSLY. Classifieds are to be listed in The Saab Network Classifieds pages. This is a problem solving forum for over 250,000 Saab owners, so expect to see problems discussed here even though our cars are generally very reliable. This is not an anything goes type of forum. Saabnet.com has been a moderated forum since 1988. For usage guidelines, see the Saabnet.com Mission and Purpose Page. Please remember that you are not anonymous. Site Contact | Site Donations | Other Sites by SP - Poverty2Prosperity.org | Run Club Menlo Park | ScreenBot


Site Members do not see red text instructions, bottom of the page anchor ads, or box ads.
Click here to see all the Site Membership Benefits!