Question about 1996 Geo Metro
Every things seems to being working out but it now has a clicking or almost a nocking sound as well as it has lost its ability to go. It is not a head gasket. checked for that it is alson not a rod proplem. when I look under the hood while the car is running I see a spark from the coil. 1996 geo metro with adjustable valves. In the last two days a very loud knocking sound has developed. Not from the valves. Not a sticking rod. Seems to be comming from the reaside of the engine, deep inside near the bottom of the timing belt area.
I have seen a problem that sounds exactly like this, but it was on a 2003 Toyota Corolla; it turned out to be a severed piston rod.There i an easy way to check for this; pull off the oil pan and try to move the individual piston rods. The piston rods are bolted to the cranckshaft and are supposed to be attached to the piston heads so if one of them moves then it is broken.Having a broken piston rod is a serious problem as it can destroy the cylinder walls, damage the piston head and do lots of other nasty damage. When the rod broke on the aforementioned Corolla the cheaper solution was to replace the engine.
Posted on Mar 10, 2009
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