Cats. Every bad thing in life can be blamed on cats!
You torque the rocker arm bolt down and that's it, no adjustment.
A loose rocker arm for a valve mite be a easy fix with a valve adjustment
Valve lash is the gap between the rocker arm and valve stem on cylinder heads. Proper adjustment ensures that a vehicle operates at peak performance.
It is between the valve top and rocker For 4ba1 it is 0.40mm
There is no adjustment- the engine has hydraulic valve lifters.
There is no valve lash adjustment (per se). Torque the rocker arm fulcrum nuts to 23-29 ft. lbs.
Valve lash is the gap between the rocker arm and valve stem on cylinder heads. Proper adjustment ensures that a vehicle operates at peak performance.
MUST be done HOT valve stem to rocker: Inlet: .30mm, Exhaust: .30mm camshaft to rocker: Inlet: .19mm, Exhaust: .19mm.... EFI have hydraulic tappits.
It is the gap between the rocker arm and the push rod or valve in the head of the engine. How much it is varies with each model of engine.
There is no valve adjustment on that engine. If you have noise coming from the valve train you probably have worn parts such as camshaft, lifters, pushrods, rocker arms and valves.
There is no valve adjustment on this engine. You tighten the rocker arms in 2 stages. First stage, 44 in lbs. Second stage, 26 ft lbs. If you have valve clatter, you have worn valve train parts.
The valve lash is not adjustable on that engine. The rocker arms are bolted down and torqued to specs. If you have valve clatter you have worn valve train parts.