GM's MLTL with 416-8B

[Altec Best]

Then there's the folks that just spray a soapy liquid on all the potential leaking areas and look for bubbles except any exposed MDF could be problematic. Wonder if baby shampoo thinned with alcohol would blow bubbles without blistering MDF?

GM

Or one could just caulk all the joints with silicone/adhesive etc....