Date: Sun, 17 Sep 2006 20:48:49 +0000 (UTC)
From: Craig's Saab C900 Site <c900nospam.apana.org.au>
Subject: Re: Saab 99 engine ticking


"darthpup" <amchitkanospamexcite.com> writes: >Sticking valve and or valve lifter. I recommend you change your oil to >Valvoline single weight 30. I have had this problem also with my 85 >900S and Valvoline will solve the problem. Other oils will not do it. That sounds really similar to the problem with the engine on my 83 900 non-APC turbo car. I've already done an oil change on it to replace the old oil with brand new Shell Helix Ultra. Posted about it in the saablink.net and classicsaab.net forums. However I'm suspecting a stretched timing chain might be the culprit and am contemplating swapping the cylinder head off my 83 Gli (non-turbo) donor car with the one in the turbo car but I've heard the specs are different between turbo and non-turbo heads on the 'H' engines. There's a broken exhaust manifold stud on the turbo car's cylinder head, so that's what's got me thinking about a swap. Don't have tools to remove and replace broken studs at present. The tick-tick sound definitely only seems to be coming from one end of the engine, but doesn't appear to occur at anything above ideal so perhaps it may mean an oil pump problem resulting in, at idle at least, a low oil flow to the front-facing end of the engine. What's other people's view about that theory? The engine hasn't given problems when I have actually test-driven the car on the road near my house previously, but it does have a small oil leak which gives plenty of smoke from under the engine after it heats up. Seems like a combination of lots of little things. Craig. -- Craig's Saab C900 Page at | Craig's Classic Saab Workshop - Sydney .au http://lios.apana.org.au/~c900 | http://www.classicsaab.net and other URL's Email: c900nospam.apana.org.au | For Saab 99/C900/9000 Enthusiasts World-Wide! Alternate: saabonautnospaml.com | Web-forums, galleries, library, links, etc.

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