Just acquired a 2005 Chevy Tahoe. Ran great the first day we had it. Checked oil etc before purchasing no issues. Next day went to run it noticed the low oil pressure light came on shut it off. Started checking it thinking oil pressure switch but on further looking noticed coolant was low filled it up with antifreeze went to start it coolant was low again and this time the remaining fluid looked milky. Checked dipstick and it also was milky. It never ran hot while driving it home just woke up to go to the store and discovered this. I found more than likely through research its probably blown head gasket but could the motor be done or just oil cooler issue? There is no ticking or knocking either but wanted to check here and see how I can salvage this mess.

 

Welcome from Florida. How many miles are on the engine, with low mileage the engine is probably still good. Anyway you have to do a head gasket job.

 

Unknown amount of miles was told it was a crate motor rebuilt been in the family ten years but roughly around 175k

 

Take the heads off and give it a good inspection. If you are lucky you will only need to replace the gaskets, but you should do a valve job as long as the heads are off.