Toyota 13715-66030 Valve, Exhaust

Because of the nature of the job and the specialized nature of the equipment used, when it comes to the reconditioning of the valves, the valve seats and the valve guides which is commonly refer to as a valve job, this should best be left to a professional. A home mechanic can also pull the head, he can do initial tidying up and assessment of the head and then take it to a dealer service department or automotive machine shop where the actual work is done. Carrying out the inspection helps one to determine the state of the head and valvetrain parts, relevant work and new parts to be equipped with upon approaching an automotive machine shop. Valve and spring removal, reconditioning of valves and valve seats, reconditioning of guides, inspection and replacement of springs, spring retainers, rotators and keepers, replacement of valve seals, valve assembly consisting of assembling of valves as well as verification of installed peak height will be done by dealer service department or the automotive machine shop. Also, cylinder head gasket surface will be refinished if they are bowed. After the dead-center lapping, the head will resemble as if it had never been touched by professionals with amazing skills in valve jobs. After the block has been picked up, the head should also be cleaned, before returning to the installation on the engine to ensure the removal of the remaining metal particles and abrasive grit that may be in the valve service or head resurfacing stage using compressed air to clear oil holes and passages.