Question about 1992 Saab 900

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Thermostat replacement in 1985. Need diagram or very explicit intructions.

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The thermostat housing is on the left side of the engine at the front, bolted to the side of the block with two bolts - top and bottom of the housing. Obviously, before starting, let engine cool and release pressure from system, drain out coolant (about half) so little is lost when stat housing removed. If coolant is old, this is a good time to replace it. When replacing the stat, get a SAAB stat, as it's a three stage stat, not a two stage (open and closed) as are most after market stats. If you car runs hot in traffic or hot days, consider the low temp stat (and rad fan thermo switch also) to extend engine life. Tighten the bolts to 13 ft-lb. Refill and bleed out any air. Hope this helps, give a "thumbs up" if it does; thanks Saabreur

Posted on Jun 03, 2009

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