Answer to Question 1
It should never be refilled by anyone with anything, not even the refrigerant manufacturer. The number one reason for not refilling disposable cylinders is to keep all your body parts firmly attached. The number two reason not to refill a disposable cylinder is that the potential penalty for refilling and transporting a non- refillable cylinder is now up to a 500,000 fine and spending 5 years in prison.
Answer to Question 2
Compression fittings, flare fittings, soldering, and brazing.
A cylinder head with four valves per cylinder, two intake valves (larger) and two exhaust valves ...
The exhaust gases are pushed out of the cylinder by the piston on the exhaust stroke.
An intake manifold gasket that failed and allowed coolant to be drawn into the cylinder(s).
A waste-spark system fires one cylinder while its piston is on the compression stroke and into ...
Using a vacuum hose and a grounded test light to ground one cylinder at a time on a DIS. This works ...
Cylinder Power Balance Test