To remove a pressed-in stud, you usually stack up a few washers and crank the stud out with an impact wrench on the nut. If the threads are completely stripped all the way down, you may have to take the head to a machine shop and have the stud drilled out and tapped for a screw-in stud.
Remove a rocker cover and measure one.
rocker arms can be tightened right down as their is a shoulder on the stud.
rocker arm stud is pulling out. how can i get it back in
Worn out rocker nut, stud pulling out, or bad cam.
For the 1989 Chevy S-10 with the 2.5 liter engine, the torque setting for the rocker arm bolt is 22 ft. lbs. The torque setting for the rocker arm cover is 75-inch lbs.
You have to much lift on the camshaft lobe, They make a long slot rocker arm that looks like a stock rocker arm but it will not cut into the stud. The slot is where the rocker arm fits over the stud. If you are not haveing coil bind problems with the valve springs are broken springs then you can keep the cam that's in it and just use the long slot rocker arms are roller rockers to fix you problem.
Some do some do not. Look at the stud, if it has a nut built into the stud bottom, then it is a screw-in
Run the engine until it reaches operating temperature. Remove one valve cover. Use a socket wrench . There are gizmos that you can put on the end of the rocket arms to help with the mess. start the engine. Loosen one rocker stud nut until it clatters. Slowly tighten the stud until the clatter stops. Now tighten the stud nut. 3/4 turn 1/4 turn at a time. repeat this for the rest of the rocker arms. Replace the cover and repeat on the other side. Expect a mess.
They can be ordered with 3/8" or 7/16".
drill a small hole through the stud boss,stud and tap a pin through both boss,stud. This is called stud pinning, you can get a kit from napa for about 20.00 bucks comes with studs,drill bit.
== == The problem was a broken Rocker Arm Stud. Replaced rocker arm stud.
the stud is pressed into the hub using an impact hammer or a large ball pein hammer strike the stud until it pops out the inside of the hub