0
a worn camshaft or lifter,use of a non self locking nut, some heads the rocker shaft is pressed and not threaded into cyl head and can lift out of head. also a bent or worn push rod, and last a worn rocker ball and seat note these answers are for over head valve train. with over head cam setup. a worn cam or collapsed hydraulic tappet, or adjustable tappet was not installed properly a;so a cracked valve spring.
Wiki User
∙ 11y ago
Add your answer:
Earn +20 pts
What to do about a 1987 Nissan Stanza with a loose rocker arm?
You need to remove the valve cover and check the bolts holding the rocker arm to the head. There are at least six bolts holding the rocker arm , and I dont think they would all come loose at the same time. After you remove the valve cover you may find that you have a loose or broken valve especially if you have a skip in the engine or a rattle or both.
How can you tell if a rocker arm has come loose or broken on a 4g63 non turbo engine?
The main indicator of a broken or loose rocker arm in any engine is a loud knocking or rattling sound. It can also cause smoke and the engine to run roughly.
Why do your rocker arms keep wriggling loose after you tighten them 350 rocket?
Each rocker arm has a bushing beneath the rocker arm screw. When the bushing is worn out, the rocker arm will continue to loosen up.
What will happen if a rocker arm is loose?
It will cause the engine to run rough and eventually it will damage the valve and rocker.
3.0 pathfinder ticking noise at idle?
loose rocker arm[s]
How can you tell if a rocker arm has come loose or broken on a 1995 eight eight Oldsmobile engine?
The rocker arms are located under the valve covers. They are simple to remove. Remove them and crank the engine over to make sure all of the rocker arms are moving.
What is the function of a rocker arm?
The function of a rocker arm is to control a valve in an engine. The rocker arm is a lever that rocks.
What can cause tapping at the top of engine?
A loose rocker arm for a valve mite be a easy fix with a valve adjustment
How can you tell if a rocker arm is loose?
Noisy valve train. Remove the valve cover and inspect the valve train.
How do you Remove rocker assembly on 95 sonata?
Remove the valve cover. The rocker arm assembly can be removed by loosening the rocker arm screws. Each rocker arm will have a screw.
How can you determine what is wrong with a 1990 V-6 3.8 Ford engine from the noises like a rod or rocker arm it makes?
first you must determine that, it's NOT a rod knock or rocker arm
What causes a rocker arm to come loose after it has been adjusted?
Try removing the bolt, you may have overtightened or stripped the threads, another reason would be that your pins have been installed in the wrong order
