Re: Mystery Coolant leak on 90 SPG - Saab 900 Bulletin Board - Saabnet.com
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Re: Mystery Coolant leak on 90 SPG
Posted by Nashvegas [Email] (more from Nashvegas) on Tue, 18 Dec 2007 12:57:24
In Reply to: Mystery Coolant leak on 90 SPG, diskullman, Tue, 18 Dec 2007 11:58:52
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Yes, definitely could be the turbo coolant supply hose! - it is probably coming from one of 4 places in that area....
1) Elbow hose (which you've already checked)
2) Upper radiator hose... check all 4 hose clamps between the radiator and the head
3) Turbo coolant supply hose. On your 90 SPG (like mine), you have the Mitsubishi turbo. And the old style coolant hose hookup. It goes from a port in the intake manifold, then to a rubber hose, then to a metal fitting that goes on top of the turbo. Try 1st giving the hose a tighten at turbo (this can cause a fine mist if its slightly loose and its cold outside). If not that, the rubber hose there could be cracking/cracked/have a pinhole. NOTE: This just happened on my 90 SPG last month on the 1st cold day.
4) Coolant hose/metal pipe hose that terminates down at the plastic turbo intake pipe -- it has then a rubber hose that goes over to the throttle body. That could be pinhole leaking / spraying.
GOOD LUCK !
posted by 64.3.24...
Posts in this Thread:
- Mystery Coolant leak on 90 SPG, diskullman, Tue, 18 Dec 2007 11:58:52
- Coolant reservoir tank..., Whirligigmike, Wed, 19 Dec 2007 15:19:18
- throttle body gets my vote, whitesaab, Tue, 18 Dec 2007 19:18:39
- Re: Mystery Coolant leak on 90 SPG, es9, Tue, 18 Dec 2007 16:15:13
- Re: Mystery Coolant leak on 90 SPG, Nashvegas, Tue, 18 Dec 2007 12:57:24 <-- Viewing This Message
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