Chevrolet Repair Questions? Ask a Chevy Mechanic for Answers ASAP
Yes the dye mixes with the engine oil and comes out where the oil leak is. The engine oil sending unit is located above the oil filter on the right rear of the engine. Here is what I have for diagrams for that engine ok. I still think the dye is your best bet for finding the leak and if the oil pan and timing cover look dry suspect the front main oil seal around the crank seal.