Search the Community

Good morning, I am writing to you about a problem with the turbine, I have a smart 450 diesel CDI with 240,000 km from 2000. Since I bought it used (with 170,000 km) the turbine has always whistled a bit and has always been dirty, probably due to blow-by. A month ago, within a few days, the classic whistling of the turbine began to stop being heard, the smoke increased when accelerating and the car lost a lot of power (especially when going uphill). So I did the following: - coreassy replacement, with complete cleaning of the turbine and compressor scrolls (the new turbine runs very well by hand) - drained the oil before reconnecting the delivery (see photo) - oiled the turbine before mounting it - deep cleaning of the turbine oil delivery and drain pipes - check that the oil drain was not clogged (I let the oil drip with a funnel) - oil and oil filter replacement (synthetic 5W-40 oil) - disassembly of the camshaft cover and cleaning of the blow-by breather cover (it was not clogged, just dirty) - once mounted, I checked that oil was coming out of the turbine (photo with cold engine at 2 degrees celsius and idling) - visually checked the hoses and intercooler (didn't see any cracks or crevices) - reconnected the wastegete piston with preload (this turbine does not have variable geometry) Also I noticed that the old turbine had no play and the shaft turned really well so maybe it just didn't go? Now to make some tests I left the blow-by pipe disconnected and closed the hole upstream of the turbine. I have done about 300 km and I have noticed: - black oil actually comes out of the blow-by pipe, which I think was the one that dirty the whole turbine. It seems to me that there is also some water vapor, but the car does not consume water. - the car no longer produces black smoke when accelerating The problem remains that I don't hear the whistle of the turbine and the car doesn't have the power it had before (it goes a little more, but not much). I add that I have never seen any motor light on the dash, neither before nor after the coreassy replacement. Does anyone have any idea what I can check? Thanks a lot to everyone! PHOTO OLD TURBINE OIL BLEEDING PHOTO TEST NEW TURBINE OIL DISCHARGE

Hello everybody, I recently bought a Smart 800 CDI of the year 2000 with 170.000 km (i Know it is a lot, but the price was almost 0). The car works, but has 2 main issues: - as shown in the attached pictures there is an oil leak somewhere near the turbine - the previous owner told me that with the rain the car stops working because of some electrical problem As A side note, I tried to remove the black plastic tube connected to the input side of the turbine. The turbine shaft seems to be firm, meaning that the shaft is not slack (maybe only a tiny). Could someone point me toward some page where I can have som hints about what is going on for these two issue? Thank you!