In Reply to: Re: thanks tz , but how do you make the pushrod ..........., Landjet [Profile/Gallery] , Mon, 20 Dec 2010 10:02:18

Before we proceed. Would like to make clear that Landjet has been a solid contributor to this board (I have benefited from his advices and insight numerous times), his words should never be ignored lightly.
Saab has set the push rod adjustment and advised against tempering for a reason. This setting works with the brake master cylinder's "recess amount" to ensure the proper working of the system.
Since you have three failed boosters in a row. I rather suspect that at some point in your SPG's life, a non-Saab brake master cylinder was installed, screwing up the relative position of them. Which is why I suggested the adjustment.
With Landjet's word of caution, I now have a different suggestion. Compare your current brake master cylinder with a known Saab spec'd one. Measure the recess from the mating surface to see if they are the same. If not, we have isolated the issue and just install the Saab spec'd master cylinder.
If yes, the push rod setting remains a suspect.
Before adjusting it, again, compare it against a known Saab spec'd booster. Just measure how much does the rod sticks out of the booster housing.
If adjustments is indeed called for after all these measurements, go to the website "Autoshop101", they have an outstanding section on brakes, brake boosters, etc.
Good luck

posted by 72.219.187...

• crazy idea for another failed brake booster, john daikh, Sat, 18 Dec 2010 18:56:13
  • Check valve?, tz, Sun, 19 Dec 2010 15:19:25
    • check valve is good . I appreciate all the ............, john daikh, Sun, 19 Dec 2010 19:06:02
      • I doubt it, tz, Sun, 19 Dec 2010 21:46:29
        • they have all failed with the typical symptoms : ......, john daikh, Sun, 19 Dec 2010 22:21:03
          • Booster push rod adjustment issue?, tz, Sun, 19 Dec 2010 23:33:41
            • thanks tz , but how do you make the pushrod ..........., john daikh, Mon, 20 Dec 2010 01:36:13
              • Re: thanks tz , but how do you make the pushrod ..........., Landjet , Mon, 20 Dec 2010 10:02:18
                • Push rod adjustment, tz, Mon, 20 Dec 2010 14:05:09 <-- Viewing This Message
                  • thanks tz for following through on this . I hope you .., john daikh, Mon, 20 Dec 2010 15:47:46
                    • It is always better to be cautious, tz, Mon, 20 Dec 2010 15:56:26
                      • thanks again tz . I'll apply all this great info as ..., john daikh, Mon, 20 Dec 2010 16:42:15
                • thanks landjet and tz , this is all starting to add up, john daikh, Mon, 20 Dec 2010 13:20:17
  • another failed brake booster, derf, Sat, 18 Dec 2010 19:34:58
    • Re: another failed brake booster, Saabnutt, Sun, 19 Dec 2010 08:03:20
      • Re: another failed brake booster, Justin VanAbrahams , Sun, 19 Dec 2010 09:30:11
        • I'll look into the master possibility , but niether ..., john daikh, Sun, 19 Dec 2010 13:05:32
          • Re: Bleeding problem.., Saabnutt, Mon, 20 Dec 2010 16:42:20
          • I replaced mine a few months ago..., blue87, Sun, 19 Dec 2010 13:24:06

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