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Date: Fri, 2 Mar 2001 21:37:02 -0000
From: "Saab Dastard" <hgnopsamserve.co.uk>
Subject: Re: Smoke from underneath 9-3 TiD


Jeff, Many thanks, great post! Thanks also to those who recommended Abbott racing - I am seriously tempted by the 30% gain in power and torque. "Jeff Tope" <jeff.topenopsamin.net> wrote in message news:10tn6.574$4O5.31970nopsam2-win.server.ntlworld.com... > Hi, Don't worry about the smoke too much, it IS the aux heater. Mine does it > occassionally if the heater has not been on very long and the temp comes up > quickly. Say if the car was in a cold corner (about 3 or 4 degees C) and > then you drive into traffic where temp due to all cars about is say 6 > degrees plus. The burner seems to shut down when it is not hot enough to > just burn off the excess diesel it uses to get the heater going. > > There is a section in the back of the manual which tells you the conditions > whereby the heater starts. > > Solution > > If it is potentially one of those funny temperatures, press BOTH +- buttons > simultaniously untill you hear a beep. Do it as soon as you have started the > car - you've just switched off the heater. > > Also you can get a kit for the TID to automatically switch ON the heater at > a given time using SID functions (150GBP) Weather forcast says ice - set the > heater for 15 - 20 mins before you need it in the morning, come out to a > nice warm car. It warms the engine and the cabin. Tip park with the nose > downhill and the warm air defrosts the rear screen too. > > Jeff > > "Saab Dastard" <hgnopsamserve.co.uk> wrote in message > news:97c2g6$voq$2nopsam5.svr.pol.co.uk... > > Can anyone confirm what my garage told me about this? > > > > Saab 9-3 MY 2000, 18 months old, 28,000 miles so far, serviced every 9k. > > > > Occasionally I get some blue-ish smoke coming from the underside of the > car > > when sitting idling in traffic, usually when the car is just warming up. > I > > tend to know when it occurs because it gets sucked into the aircon system! > > Smells like part-burnt diesel (it is a diesel engine). > > > > There's no sign of leaks of any kind (the garage had it up on a ramp) or > any > > drips on the ground. There's no warning lights, nothing on the SID, no > > problems with performance or fuel economy. It might just be me, but I > think > > the engine is slightly rougher than it used to be, but only when cold. > > > > This problem started shortly after the 27k service, when I thought the > > garage had over-filled the oil (above the max. mark). > > > > Anyway, the garage told me that there is some auxiliary heater which is > used > > to help warm up the engine when cold, and it uses diesel fuel with its > > exhaust outlet more or less under where the gear shift is. > > > > I have no reason to doubt this except for innate cynicism and a dislike of > a > > design that allows exhaust fumes (from whatever source) to enter the > > interior so easily. > > > > Can anyone comment on this? > > > > If you have made it this far can anyone recommend an independent > specialist > > in tuning the Saab 2.2 TiD in the London (SW) area? > > > > Thanks > > > > S-D > > > > > > > > > >

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