Date: Fri, 10 Sep 1999 13:22:37 -0500
From: Bossman <>
Subject: Re: Need guidance replacing waterpump

"David M. Arnold" wrote: > > Good luck with your Adventure in Mechanicdom. > > For your sake, I hope your '85 8-valve engine uses the > new (16-valve) block. On the older 2L engines, the > water pump is located INSIDE the engine block, accessible > through a cover on the top of the block that also has the hose > fittings. The pump is gear-driven by the jack shaft > (which in turn is driven by the timing chain), as opposed > to the 16-valve version in which the pump is a bolt-on > accessory driven by an external belt. > > The old-style water pump requires a special tool to > remove and install. You have to dismantle a bunch of > stuff on top of the engine, remove the cover, install the > special tool and haul out the old pump shaft. You reverse > the procedure to install a new pump assembly. The special > tool minimizes the chance of damaging the shaft that runs > the pump. > > On our '79 900, the water pump actually siezed, immobilizing > the jack shaft. When we attempted to turn the engine over, > the gear on the jack shaft shattered, taking the timing > chain with it, resulting in a BIG repair bill. > > Before digging in, make sure your water pump is exterior > to the engine. If so, replacement should be relatively > easy. Otherwise, this is NOT a novice project, and involves > significant risk of doing very bad things to your engine. > --dma Now that realy encourages me to keep searchin' for my first SAAB. A waterpump inside the engine? Michael Please direct e-mail to both of the following addresses : mitchvisnopsamnet Plus ca change, plus c'est la meme chose.

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