Corolla L4-1.8L (2ZZ-GE) (2005)
Valve Clearance: Adjustments
VALVE CLEARANCE (2ZZ-GE)
ADJUSTMENT
1. DISCONNECT BATTERY NEGATIVE TERMINAL
2. REMOVE ENGINE UNDER COVER RH
3. REMOVE FRONT SUSPENSION BAR ASSEMBLY TOWER
4. REMOVE CYLINDER HEAD COVER NO.2
a. Remove the 3 bolts and nut, then remove the cylinder head cover No.2.
5. REMOVE WIRE HARNESS PROTECTOR
6. SEPARATE SUCTION HOSE SUB-ASSEMBLY
7. REMOVE AIR SWITCHING VALVE ASSEMBLY
8. REMOVE FAN AND GENERATOR V BELT
9. REMOVE GENERATOR BRACKET NO.1
10. REMOVE GENERATOR ASSEMBLY
11. REMOVE IGNITION COIL ASSEMBLY
12. REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY
13. SET NO.1 CYLINDER TO TDC/COMPRESSION
14. CHECK VALVE CLEARANCE
a. Check only the valves indicated.
(1) Using a feeler gauge, measure the clearance between the valve rocker arm and camshaft.
(2) Record any out-of-specification valve clearance measurements. They will be used later to determine the required replacement adjusting
shim.
Valve clearance (Cold)
b. Turn the crankshaft 1 revolution (360°) to set the No.4 cylinder to the TDC/compression.
c. Check only the valves indicated.
(1) Using a feeler gauge, measure the clearance between the valve rocker arm and camshaft.
(2) Record any out-of-specification valve clearance measurements. They will be used later to determine the required replacement adjusting
shim.
Valve clearance (Cold)