Hey, I believe my mechanic had previously mentioned that it could be a wrist pin. He said that it would likely not be worth repairing due to the cost. I am still driving my XC70 daily, have put another 30,000km (19,000 mi) on it and its still going strong. I do however think that the knock has becom...

Hello all, There is a loud knocking noise coming from my 2009 Volvo XC70 3.2L AWD. The noise only occurs during acceleration. The knocking pauses for a split second when it switches gears. It seems it only knocks when the engine is under load. It occurs in both drive and reverse. It also occurs when...