Hello All:

I have been searching for the procedure to properly adjust the valves on a 1994 4.3 W engine with "positive stop rockers".
Would any one have a document for this procedure?

This is what I have found....
For the 4.3L engines which are equipped with screw-in type rocker arm studs with positive stop shoulders, tighten the rocker arm adjusting nuts against the stop shoulders to 20 ft. lbs. (27 Nm) on 1994-96 models and 18 ft. lbs. (25 Nm) on 1997-99 models. No further adjustment is necessary, or possible.

So, I take it that you tighten the rocker arm, (centre the push rod) and then torque the rocker arm nut down to 20 ft lbs of torque and your done?
Do this for each cylinder when it is at tdc, valves closed.

your input is appreciated,
thank you,
Ronnie_D.

 

It doesn't really matter if you do it at TDC. You can just do them all at once.

 

thanks, that will make it easier.

cheers,
Ronnie_D