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Date: 7 May 2003 10:46:45 -0700
From: joelnopsamns.com (Joel Regen)
Subject: Re: FIXED - Noisy tappet/cam follower/lifter


Joel Regen...yeah. I had a similar problem on a 9000 turbo. Ended up replacing the tappets. "Andy Hookins" <andrew.hookinsnopsamamnopsamodata.co.uk> wrote in message news:<vbertchv563c62nopsam.supernews.com>... > "Lance Morgan" <alancemornopsamo.com> wrote in message > news:2a52f3e9.0305020715.53aa8d39nopsaming.google.com... > > "Andy Hookins" <andrew.hookinsnopsamamnopsamodata.co.uk> wrote in message > news:<vb4a3lbip4k8d7nopsam.supernews.com>... > > > I had the headgasket on my 9000 replaced last week but when I > > > collected it one of the hydraulic tappets was noisy. I asked my > > > indy about it and he said that it wasn't uncommon and should go > > > within a couple of days. Not entirely convinced by this I asked a > > > SAAB dealer and their technician said 'yeah that sometimes > > > happens - give it a week'. > > > > > > The camshafts and tappets were removed prior to machining the > > > head, but were marked up in individual plastic bags and put in a > > > purpose made 'thingy' to make sure weren't mixed up. > > > > > > Well it still hasn't settled and I phoned my indy last night. He > > > suggested going for a run keeping the engine above 3000rpm, > > > citing a SAAB TSB (I've got to see it!). Two 10 minute runs > > > later and no joy :-(. > > I forgot to ask to see that TSB.. > > > > We're going to take the tappets out this weekend and asses the > > > situation. Can the tappets be re-conditioned - when I was at uni > > > (school) I had an Opel Manta with seized hydraulic tappets and > > > I spent an evening taking them apart and removing a varnish-like > > > deposit with carbon tetrachloride. The car ran quietly after that. > > > I also had a sore throat and headache for a week, because I did > > > this in my nice warm room with the windows shut - it was winter. > > > I won't be making that mistake again! In fact I won't be using > > > carbon tet. again as it's fairly nasty stuff. > > All looked clean and shiny, but two, one each on exhaust cam for cyls. > 1 and 2 had collapsed and were seized. 2 more tappets and 2.5 hours > later all sorted. > > > > On a happier note, I'm going to look at an '88 c900 T16S tonight > > > and so hopefully add to the stable :-) > > Doh! the c900 was a 2 door - the ad didn't state this and I forgot to > ask. I'd prefer a hatch. > > > > > > > TIA > > > > > > AndyH > > > '94 9000 CDE > > > > Sounds like you're on the best course of action. > > > > Don't know if you had the lifters soaking in clean oil while removed, > > as recommended? > > No, individual plastic bags :-( > > > If it is a varnish problem, and not a metal/grit debris problem, an > > ester-based cleaning product, mixed/ran with engine oil, may also take > > care of the problem. > > > > LM

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