Mootoriplokil avatakse kanalid pestakse ultrahelipesuris ja lisaks survepesus.
Inspekteeritakse, kontrollitakse kõikide pindade vastavus OEM tootjapoolsetele parameetritele.
Teostatakse vajadusel kõik töötlused, kus viiakse pindade parameetrid vastavusse STD parameetritesse, sh. hülssimine, hoonimine, vändaliini taastamine jne.
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