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Date: Mon, 10 May 2004 03:30:16 GMT
From: "Jean Paul" <leguennospamzon.net>
Subject: Re: 9000 turbo - strange coolant leak


Hello Allen, Let me take a stab at this. Its to late tonight to go down back to look at my 89 9000 2.0L, but I think its similar to my 94 9000 2.3L. The pipe enclosed in rubber that goes from the large plastic inlet pipe to the turbo. Is a crankcase breather pipe hooked to the valve cover. Saab for what ever reason ( maybe to heat the air being sucked into the intake, to cut down on moisture in the engine) put a small heater hose,(if you would call it that) that splits off and goes to the front side of the throttle body, and heats it so that it does not freeze in the winter.The other side of the throttle body the small hose is the return side I think and hooks to the pipe that goes around the back side of the motor to the RH. side to the water pump. The small three inch hose you talked about I had to replace on mine. I this case water and air should not mix, just live in the same hose. Jean Paul 89 9000s 89 9000t 94 9000cset "Alan Cole" <a.colenospamorld.NOSPAM.com> wrote in message news:DRwnc.223$D%1.194nospamfe1-win... > My 9k developed a coolant leak recently, which took me a while to track > down. I eventually traced it to the point where the crankcase breather > connects to the air intake (just before the turbo). > > Right next to it, there is a small rubber pipe apparently going into the > intake. The other end connects to a thin metal pipe which went off > around the block somewhere. > > Anyone know what on earth this is for? Some primative form of water > injection maybe? :o) It's the last place I was expecting to find > coolant! Or is it a vacuum pipe and something else is leaking into the pipe? > > Regards, > Alan > > P.S. a similar thin metal pipe goes into the turbo and out the other > side - are they water cooled? I thought they were oil cooled?

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