This bulletin provides updated parts information and a service procedure to follow for removing accumulated carbon deposits from fuel injectors and internal engine components (e.g
Oh and i am going to attempt to clean the valves without walnut blasting
I am trying to keep it as low cost as possible while maintaining the integrity of the job.
Service procedure for removing carbon deposits from intake valves and combustion chambers using walnut shell media to address misfires and power loss.
The middle valve is the main shutoff to my house, and it was leaking around the stem, likely because the packing was worn
I tightened the packing nut to stop the leak, but the nut cracked.
The carbon deposits at the intake valves were nasty and some just won't budge even after rounds of walnut blasts and had to be manually scrapped off
The tgv were also very difficult to clean.
Service procedure for removing carbon deposits from intake valves and fuel injectors using walnut blasting to resolve misfires, rough idle, and power loss.
Port injection has the added benefit of cleaning deposits from the intake valves
Direct injection doesn’t, since it doesn’t spray fuel upstream from the valves.
Our walnut shell blasting safely removes.
Manually crank the engine (always clockwise) to make sure the valves you want to work on are closed
Get out your wand (i used the subibros kit, but honestly harbor freight sells plenty of wands and would have.
In today’s video, jake performs a walnut blasting diy on an engine
We hope this video diy guide allows you to save a ton of money, if you already have the proper tools!
It works, but in those situations, walnut blasting would.