I hope they do a better job this time around. I used to be a mechanic and have seen countless cars with Timing Gear knock caused by the excessive wear on the plastic coated gears (GM), cracked intake plenums (Ford), Radiator cracks and leaks (Chrysler), etc. Also, GM introduced plastic in the transmissions of some of their cars in the late 70s early 80s that consistently blew apart.
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