Valve Clearance

Check or adjust valve clearance with engine at normal operating temperature. Remove valve cover and set No. 1 cylinder at TDC. Turn crankshaft with a wrench to align timing marks. Check that rocker arms for No. 1 cylinder are loose and for No. 4 cylinder are tight. Adjust intake valve on cylinders No. 1 and No. 2 and exhaust valve on cylinders No. 1 and No. 3. Turn crankshaft 360°. Adjust intake valve on cylinders No. 3 and No. 4 and exhaust valve on cylinders No. 2 and No. 4.

VALVE CLEARANCE SPECIFICATIONS

Application

⁽¹⁾ Clearance In. (mm)

Intake

.008 (.20)

Exhaust

Corolla

.013 (.33)

All Other Models

.012 (.30)

⁽¹⁾	Adjust valve clearance with engine hot.

Fig 1: Firing Order and Distributor Rotation (Celica, Corona and Pickup)

Fig 2: Firing Order and Distributor Rotation (Corolla and Starlet)

Fig 3: Firing Order and Distributor Rotation (Tercel)