Can Overtightening Cause Leak?
If a Valve Is over-Tightened, It Deforms the Tubing and the Connection. These Deformities Create Cracks and Gaps Where the Fluid Can Begin Leaking Out. What...
If a valve is over-tightened, it deforms the tubing and the connection. These deformities create cracks and gaps where the fluid can begin leaking out.
What happens if you overtighten valves?
It does not affect when the valves open or anything that has to do with the valve train. An ill adjusted rocker may because tightened too much, it might leave the valve open which would kill your compression and also make it run like crap.
Why is compression fitting leaking?
3 Answers. Compression fittings do not use tape, so that's one mistake to fix. Tape seals a leak in threads, but a compression fitting is sealed at the ferrule, not at the threads. Leaks are frequently caused by over tightening, so this is certainly a possibility in your situation.