wilbur Posted February 9, 2015 Share Posted February 9, 2015 On the 4 valve head the book says to turn 60 degrees clockwise or 1 flat on the nut after the adjusting screw touches the valve. How many of you check it with a 0,010 feeler gage on each valve when you are done? Is it really necessary to do this? Its a pain trying to get two feeler gages in there especially on the drivers side. I figure all that adjustment is for is to let the valves open at the same time an keep the yoke from cocking on the guide. How about some expert opinions? Thanks Quote Link to comment https://www.bigmacktrucks.com/topic/38859-valve-yoke-adjustment/ Share on other sites More sharing options...
felicello122 Posted February 9, 2015 Share Posted February 9, 2015 I never do, just like that want you to re torque the heads after 1000 miles, if you got jakes you have to remove all this stuff again Quote Link to comment https://www.bigmacktrucks.com/topic/38859-valve-yoke-adjustment/#findComment-278276 Share on other sites More sharing options...
Dirtymilkman Posted February 10, 2015 Share Posted February 10, 2015 I was taught to never adjust the valve bridges, just the valves Quote Link to comment https://www.bigmacktrucks.com/topic/38859-valve-yoke-adjustment/#findComment-278352 Share on other sites More sharing options...
turckster Posted February 11, 2015 Share Posted February 11, 2015 I'll adjust all bridges 1 flat, power leash is 1/2 flat on exhaust. I never have checked with a feeler gauge after the 1 flat adjustment nor have I ever seen anyone at our shop make that check. Only time I have ever seen guide pin breakage is on e-tech engines with jake brakes where the exh actuator pins(inside bridge) have excessive wear. Those should be checked at every valve adjustment even if they have the hardened pins. Quote Link to comment https://www.bigmacktrucks.com/topic/38859-valve-yoke-adjustment/#findComment-278439 Share on other sites More sharing options...
wilbur Posted February 11, 2015 Author Share Posted February 11, 2015 I checked all the actuator pins they were all 0.970 Quote Link to comment https://www.bigmacktrucks.com/topic/38859-valve-yoke-adjustment/#findComment-278468 Share on other sites More sharing options...
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