Could be several things depending on how hard of a knock it is. Rod bearing, stuck piston ring, cracked piston, low oil and lifters chattering, fuel injector stuck. Any knock is usually serious and almost always expensive to fix.
You can find a good PT Cruiser Engine online or through your a PT Cruiser dealership.
The engine number for a Chrysler PT Cruiser 2002 is not on the engine; it is part of the VIN number.
Yes, they can. My wife's 2004 PT Cruiser was just diagnosed to have a broken engine mount.
Yes
Yes
Yes
No, the crank sensor tone ring is different. It will not start.
The thermostat on a Chrysler PT Cruiser is under the housing where the upper radiator hose attaches to the engine.
2.2 merc engine
The engine and transmission are removed as an unit out of the bottom.
The PT cruiser model 2004 requires 4.5 quarts of engine oil to fill the turbo and filter as well as the engine
It is on the bottom of the engine.