There's only one exhaust hole on the Pan rail. The Servo exhaust hole.
Below 4th Gear Pr. switch on Pan rail in this Pic.
Servo exhaust hole location >> http://www.montecarloss.com/TCC_4.jpg looks like a Black circle.
Below 4th Gear Pr. switch on Pan rail in this Pic.
Servo exhaust hole location >> http://www.montecarloss.com/TCC_4.jpg looks like a Black circle.