Date: 17 Oct 2001 22:55:03 -0700 From: johsnopsamanytime.co.uk (Johannes H Andersen) Subject: Re: 9000 Direct Ignition Cartridge
"Grunff" <runffnopsamo.co.uk> wrote in message news:<jPmz7.13306$nT1.1861320nopsam6-win.server.ntlworld.com>... > "Johannes H Andersen" <johsnopsamanytime.co.uk> wrote in message > news:1ec6845d.0110171156.1ebe8b03nopsaming.google.com... > > johngnopsaml-romtec.com (John G) wrote in message > news:<2acc5702.0110170418.100753efnopsaming.google.com>... > > > 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 www.parts-asap.co.uk (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? > Saab. Originally fitted to my 1993 9000 CSE. > 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. > Oops, oil may come through the head cover gasket. Johannes
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