Crank bearing ? on 2006 Mazda MAZDASPEED6

Ok i got timing chain replaced at Hall Mazda in virginia beach. Once i got it back about a week goes by and then im crozin along and i hear a knocking. took it back to them and they said it was unrelated to there work. But they said the knocking was coming from oil pan. Could this be a bad Crank bearing? They said the thrust bearing was still good. But how much would it cost to get the crank bearings replaced?

by in Chesapeake, VA on May 15, 2010
1 answer
ANSWER by on April 19, 2013
I know this is way late to answer this but for anyone else who may come across this issue it will help them. I have a 2008 mazda 6 and had a knock/tick/rattle you could only really hear when cruising at a constand speed down the highway. Took it to the mazda dealer here and they diagnosed that it was my connecting rod bearing in cylinder 3 that was worn. I bought this car in the beginning of march of 2013 have only put 3000 km's on it. Oil was said to be changed by the dealer before I bought it but the mazda dealer clarified that there was no way my oil could possibly be like that @ 3000 km's all in all repair price is $4500 for a used motor, 4900 for it to be rebuilt, and 7000 for a new 2.3L from mazda. All in all not cheap. And not expected when you first buy it and for $10,000 CAN.

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