Jumper the lift pump. Or just install a toggle switch to run the lift pump on demand. Cracking the bleeder and then getting in the cab just sounds like an air problem waiting to happen. Not to mention a mess.
1995 and older need the lift pump relay upgrade.
It's PMD or FSD. Not pdm.
Ex military mobile machine shop. 27" throw , removable bed gap lathe with all tooling. Has 300 amp built in welder , 50 ton press, slide out 1500lbs Gantry, stand up drill press, air compressor, interior lighting, on board genorator
In Canada
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If you can swing it and are going to install new engine oil cooler lines, install an engine oil bypass filter.
I install a T in the return line brother engine oil cooler to supply the bypass filter and return to the engine oil fill neck