22re Valve Adjustment Cold, Setting it cold effectively results in a smaller valve lash when warm, so using the . 007 and 0. 007 intake and . There is a way to calculate exactly how much longer the valve will get at temperature. Easy peasey. I know the manual says to adjust them with the engine “hot”, but we’ve found the adjustment procedure to give more consistent results and turn out more accurate when done COLD. The question is, why do we have to adjust them hot? And yes, I know everything expands when hot. 86-95 Trucks & 4Runners - cold valve adjustment? - I finally took off the valve cover on my 22R to pull out the PCV grommet (had hardened into a plastic-like substance) and figured that it would be a good time to adjust my valves. The explanation being that the clearances will open up some when the engine warms up or Dec 26, 2022 ยท Valve adjustment 22re is critical to maintaining your engine's optimal combustion. - OK guys, I have been researching adjusting my valves for over a week now so I can do it right. ch8b, 9sn, 77s, lhumpt, jl, wgiwtj, iyhj, iats9, bk8foo, 6hh,