Two problems related to engine oil leaking have been reported for the 2003 Toyota Matrix. The most recently reported issues are listed below.
I was driving vehicle for about 4 hours prior to problem. Vehicle starting making a tapping noise as if the valves were knocking. Oil started leaking out from under vehicle, and then the engine threw a connecting rod through the engine block and lower oil pan destroying the engine. The dealership is fighting me and concluded that there was no oil in the engine when all the oil came out when the rod struck the hole in my pan.
Consumer visually noticed oil leaking from vehicle. Dealer diagnosed that the crank shaft key had failed and replaced. Ts.