A4, 2,0 tdi, 2005.g,trese se kad radi u leru (900 okretaja)
Vozil se u leru povremenu strese tj. motor se strese, pocelo je sve jace se tresti i na 140 km/h pocne trzati. U ovlastenom servisu su mi rekli da je stvar u modulu sa uljnom pumpom i zupcanicima koji se nalazi u karteru i da taj model ima zupcanike, a noviji modeli imaju lanac (ukoliko se odlucim takodjer bi oni stavili lanac). To bi otklonilo moj problem na A4 2,0 tdi iz 2005. uz naravno iznos oko 2000 eura-cijena djelova i popravka.
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The blower motor is located behind the firewall in the engine compartment.You can access it by removing the plastic cover above the firewall beneath the windshield.Remove the screws securing the firewall.You now have access to the blower motor but it has to be separated from the evaporator housing.The complete list of instruction are too many to list here.Go to the website SAABNET and do a search on the bulletin board New Generation 900 section and post your question.You can print the instructions out.
It's very likely a valve stem seal that has split. This will allow oil into the cylinder from the crank gallery.
Off with it's head! I'm afraid.
The only other thing it can be is overfueling - but then it will be sputtering and lagging on acceleration.
You can check which cylinder is affected by removing the plugs and looking for the oily one. They will all need replacing really as it's false economy to do just 1. The seals are cheap. I would get a new cambelt fitted at the same time - as it has to come off anyway.
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