2002 Mercury Grand Marquis transmission fluid leaking between the engine and transmission

SOURCE: 2.2l toyota camra engine has pressure leaking from engine when oil fill is removed from valve cover, is this normal, i also have small oil drip at pan gkt.

replace the pcv valve. If it is not working it will allow pressure to build up in the crankcase. this will cause leaks everywhere.

SOURCE: coolant leak on 2004 grand cherokee 4.0

might be the thermostat housing to as its right above the water pump. the best bet would be to pressure test the cooling system and inspect to see where its coming from

SOURCE: 2001 jeep grand cherokee leaking transmission

clean off entire area near where you suspect the leak is coming from, then look carefully to locate it. Try slightly tightening any bolts near the leak area after it's located If at the pan gasket do not overtighten or you will crush the gasket and it will leak more. Yes, it can be driven as long as you keep it full.

SOURCE: 2001 mercury grand marquis. Engine stutters or

Start car and use a squirt bottle of water to wet the wires and coil, if you see it spark or run rough one or both are bad, repair the wires first as they are more common.

SOURCE: Rear engine oil leak....

Oil leak can be attributed to several factors.
1. Gasket failure.
2. Uncontrolled Crank case pressure Failure.

RECOMENDATION:
Tighten both the valve cover and oil pan bolts.
Replace the Positive Crankcase Ventilation Valve and vacuum line.,

INFO: PCV
This is a valve causes a negative vacuum on the engine while its running, As to say if it had a leak in a valve cover it should not be leaking while its running, only when the engine it turned off.

Hope this tip guides you in the correct direction to solve this problem.

R/
David