Let's change the oil pressure sensor on the Z71

[M80]

Some of those year models have a quick disconnect coolant line on the passenger side of the intake. They corrode and snap off. Might be more towards the vortex engines though.

 

[Baroque Brass]

Some of those year models have a quick disconnect coolant line on the passenger side of the intake. They corrode and snap off. Might be more towards the vortex engines though.

I don’t think mine has that but I’m not sure. I replaced all coolant lines along with the water pump and radiator a while back.