Remember that there is no such thing as a "normal" leak. Sometimes water condensation will build-up on the AC pipes and drip-off, but there's not a "leak" involved. Get your manifold gasket replaced ASAP. It costs money but it's worth it. I've had mine replaced about 5 years ago and it still runs great.
If it is leaking from a bad head gasket, it is because of a bad head gasket. If it is leaking from a bad intake manifold gasket, it is because of a bad intake manifold gasket.
I just had the intake manifold gasket replaced on my 96 century yesterday and my bill was $450 but my gasket was only leaking out. If its leaking into your oil it may be more.
Most likely the intake manifold gasket is leaking.
You either need a head gasket or intake gasket.
most time it is caused by intake gasket failure
Intake manifold is leaking, or worse, cracked cylinder most likely tho, the intake manifold.
leaking gasket try tightening the bolts a little might help
Look for leaking antifreeze/coolant. Usually you can see it leaking around the top of the engine. Also check your oil, if it looks milky it has been mixed with coolant and you intake manifold gasket is leaking. That being said, it is possible to have a leaking intake gasket with no sign of leaking antifreeze. Most intake manifold issues/leaks are coupled with poor engine performance and even sputtering and lack of power.
you need to replace the intake manifold gasket.
intake manifold gasket is leaking. They are famous for it around 80000 miles
If really on top then probably the intake manifold gasket ,study it closely .
no, but you can replace the gasket entirely add the sealant ensuring a leak free fit.