On this vintage of GM truck with the 4.8,5.3,6.0 liter V8, the most common coolant leak is the water pump gasket. Of course if it’s the 4.3, I’d be looking at the intake gaskets.
On this vintage of GM truck with the 4.8,5.3,6.0 liter V8, the most common coolant leak is the water pump gasket. Of course if it’s the 4.3, I’d be looking at the intake gaskets.