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KEN C:
re: "...Haynes says to do that...." Ahh, that probably explains all of this.
MY REPLY:
Explains all of this ... Holy Bat S___ Ken C that's brilliant. Explains nothing you mean! Many topics were discussed in this thread. So, it explains what?
How old are you, 19? ... just out of automotive tech school or a college BA program? (Just messin with you Ken)
All Haynes said to do was to pump the air out of the booster before doing a brake bleed. That's what I did, and it was of zero consequence. It just is plain good advice and is supported in logic. If one were to NOT pump the air out of the booster prior to bleeding a caliper with all that system pressure, it could shoot out rather forcefully. But it just simply has nothing to do with anything else that was discussed.
I just want to know the reasons for doing and not doing something. I do not need to hear some age old mechanics wives tale of the mc push rod going to far, especially when that is exactly what you advocated doing per bench bleed to begin with ... Ahh ... Ooooops. Ok, your not perfect, your just trying to help and you believed in the old manually bleeding advice not push the pedal to the floor issue, and place a block of wood under the MC brake pedal thing to do. THAT darn old missing block of wood just keeps showing up everywhere almost as if it is a Volvo SST, it saves oil pans from crushing, etc., etc.
But we are not talking about manually bleeding a ten year old MC and have to worry about the pushrod now hitting areas of the bore where there is corrosion, and it never hit before. Just saying that Haynes explains it all says nothing and you contributed little more than your ego to this post. And btw, Haynes like many publishers of automotive technical information gets much of their info directly Volvo, just like ALLDATA, Mitchell, Bentley. I often see Pics in Haynes that I know came from Volvo. So if Volvo gave it to them then I guess the Volvo manuals are a pos as well. And there have been posts complaining about those Volvo manuals too.
But, you know, I agree about Haynes generally being a pos anyway. Say what diyer! ? I can't tell you how any times I bitched about that publishing company's typos. The again, try to find a Bentley for a 1991, 740 Regina based Volvo. Ain't no such thing. Even Volvo techs acknowledge there aint much that was ever written about those Regina cars. But who did publish some 91, et seq 740 info? Why of all publishers, Haynes did. They published a European manual. Personally I have various manuals, Volvo, Alldata, Mitchell cd's, Haynes, Bentley, Petersen, etc. But OMG does my 240 Bentley manual have the typos in it. I have a list of over ten I found so far. But I use them all anyway for cross reference. As for your confidence in the official Volvo manual - you won't get any argument from me on that point. I luv the Mfr Service manuals. Too bad they also contain typos too, and don't address many issues - Ah, the reason for original post!
Why don't you just admit it, your own logic was not well thought out before you spoke, i.e., Bench bleed the MC by driving that shaft in and out until no air, but don't push on the brake pedal even once, even if it is a smooth soft stroke for analysis sake, and you can feel there is no seal getting damaged - jeesh!
The mc pushrod, seals and bore condition are all relevant to this issue. So, I'm thinkin that you never knew this to begin with and now realize the folly of your words. At any rate, I did read and consider your first post, and thought it was one of the better ones, but since then I feel your post went downhill.
One last thing, about the many people on the board who feel Haynes is a pos and rely on the Volvo manuals, put me on that list. Keep in mind that this site tells you right from the start that this site is in no way affiliated with Volvo ... darn can't get that plug in.
Anyway, best wishes.
diyer
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