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Saab 93 1.9tdi...random blue smoke
#14
Might seem like a weird one but is the PCV or crank case breather Non return valve/pipes screwed?> it will start to drink oil if the crank case becomes pressurised and a mate of mine had an issue similar to this, it would get warm, 5 miles for the pressure to build in the crank case and sump and it would start to smoke bluie/grey smoke..

turns out the PCV and non return valves were both shot (in fact his NRV was fitted the wrong way round) and the pressure would build to push oil past the rings and voila, smoke!


should note that it wasnt using a huge amount of oil, would drop about 1/4 of a litre over 500-1000 miles...
Given the choice between Niall and the sheep. I would choose the sheep!
/Toseland
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Messages In This Thread
Saab 93 1.9tdi...random blue smoke - by Piggy - 15-07-2016, 05:16 PM
RE: Saab 93 1.9tdi...random blue smoke - by Piggy - 15-07-2016, 06:25 PM
RE: Saab 93 1.9tdi...random blue smoke - by Piggy - 15-07-2016, 07:36 PM
RE: Saab 93 1.9tdi...random blue smoke - by Piggy - 15-07-2016, 07:52 PM
RE: Saab 93 1.9tdi...random blue smoke - by Piggy - 16-07-2016, 03:21 PM
RE: Saab 93 1.9tdi...random blue smoke - by Piggy - 03-08-2016, 05:19 PM
RE: Saab 93 1.9tdi...random blue smoke - by Piggy - 04-08-2016, 04:55 PM
RE: Saab 93 1.9tdi...random blue smoke - by toseland - 08-08-2016, 09:19 PM
RE: Saab 93 1.9tdi...random blue smoke - by Piggy - 09-08-2016, 06:32 AM
RE: Saab 93 1.9tdi...random blue smoke - by Piggy - 11-08-2016, 08:48 PM

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