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Date: 26 Nov 2004 19:05:20 GMT
From: Dave Hinz <>
Subject: Re: Saab 99 water pump thread?

On Fri, 26 Nov 2004 19:42:37 +0100, OKOK! <rootnospamlhost.not> wrote: > > "Dave Hinz" <> wrote in message > >> What is the thread on the water pump of a Saab 99? Old style, and/or >> new style. I know it's left handed and metric, but before I order a tap >> and die set for it, I'm hoping someone here can tell me definitively. > I'm sorry I cannot go out and measure for you.... tools are far away, and I > dont have a pump-shaft outside of an engine to measure. I've got one, but it's at home and I'm not, and I was hoping someone would have it. > From memory then, that is all can do: > My 1980 99 pumpshaft thread was left handed, metric, definately NOT 6 mm. > AND definately NOT 12 mm. > I think it was 8 mm, as the wrench I used was 12 or 13 mm. Ah, OK. I need to get the cover off and measure it; I was going by visual memory of a 10-year old event, which apparently distorts things a bit. > If the diameter of the shaft is 8 mm, then the thread is most likely 1.25 > mm. (8x1.25) So at that diameter, the standard pitch is 1.25 then? How big of a shaft before the normal thread pitch goes to 1.5mm, do you know? > I made a tool from a thing they use for tightening steel cables, I am sure > you know it. Ah, a "turnbuckle" they call it here. They sell cheap aluminum ones here, and it's at least possible that they're imported and metric thread. Thanks for the thought. Thanks, Dave Hinz

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