Valve Clearance Check: Protege
- Remove valve cover. Ensure engine is cold. Rotate crankshaft clockwise until No. 1 piston is at TDC of compression stroke. Measure valve clearance between base of camshaft lobe and valve tappets at "A". See Fig 1
. If clearance is not within specification, replace adjustment shim. See VALVE CLEARANCE SPECIFICATIONS
table.
- Rotate crankshaft clockwise about 360 degrees positioning No. 4 piston at TDC of compression stroke. Measure valve clearance between base of camshaft lobe and valve tappets at "B". See Fig 1
. If clearance is not within specification, replace adjustment shim. See VALVE CLEARANCE SPECIFICATIONS
table.
Courtesy of MAZDA MOTORS CORP.