Date: Wed, 17 Oct 2001 22:35:03 +0100
From: "Grunff" <>
Subject: Re: 9000 Direct Ignition Cartridge

"Johannes H Andersen" <> wrote in message > (John G) wrote in message news:<>... > > I just thought I'd jot down my experience of my new Saab 9000 CDE 2.3 > > (1992). Not long after I bought the car it started to hesitate at low > > revs and low load. You could knock it down a gear and it would > > happily drive round above 2000rpm. As described by others the problem > > has slowly got worse and I have now bought a new (second-hand) DI > > cartridge from (for those in the UK). > > > > Having spoken to Parts ASAP, apparently the problem with these units > > is that each coil is oil filled for cooling and when the seal goes and > > the oil leak out, so does its ability to cool and the coils start to > > loose performance. I guess an oil leak around the spark plugs is a > > good indicator of this problem. > > > > When the DI unit failed on my 9000 CSE, I took the unit apart. The coils > are emerged into some black tar-like solidified substance for insulation, > but there was no traces of oil. Oil in the spark plug holes indicates > a head gasket problem. <snip> All the units I've ever seen had oil in the coils. What make was your DI with the tar stuff? Also, how exactly does oil in the spark plug holes indicate a head gasket problem? The holes are at the top of the head, and have little to do with the head gasket. Grunff

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