If your 5A-FE suffers from a surging or erratic idle, check the following components in order:
Loosen the tensioner pulley bolt. Allow the tensioner spring to draw the pulley tightly against the belt. toyota 5afe engine service manual new
When executing a head gasket replacement or valve job, cleanliness and exact torquing are mandatory. Cylinder Head Removal Notes If your 5A-FE suffers from a surging or
Ensure both the crankshaft sprocket and camshaft gear are perfectly aligned with their respective alignment notches on the engine block and cylinder head. toyota 5afe engine service manual new