Valve Clearance: Adjustments
VALVE CLEARANCE ADJUSTMENT1. REMOVE ENGINE ROOM SIDE LH COVER
2. REMOVE ENGINE ROOM COVER SIDE
3. REMOVE FRONT WHEEL RH
4. REMOVE ENGINE UNDER COVER NO. 1
5. SEPARATE FRONT FENDER SPLASH SHIELD SUBASSEMBLY RH
6. REMOVE FRONT FENDER APRON SEAL RH
7. DRAIN COOLANT
8. DRAIN ENGINE OIL
9. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY RH
10. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY LH
11. REMOVE COWL TOP VENTILATOR LOUVER SUBASSEMBLY
12. REMOVE WINDSHIELD WIPER MOTOR AND LINK ASSEMBLY
13. REMOVE COWL TOP PANEL SUB-ASSEMBLY OUTER
14. REMOVE COOL AIR INTAKE DUCT SEAL
15. REMOVE AIR CLEANER CAP W/INLET
16. REMOVE AIR CLEANER CASE W/RESONATOR
17. REMOVE EMISSION CONTROL VALVE SET
18. REMOVE INTAKE AIR SURGE TANK
19. DISCONNECT RADIATOR HOSE INLET
20. REMOVE IGNITION COIL ASSEMBLY
21. REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY
a. Remove the 2 engine wire harness clamps.
b. Remove the 3 nuts and disconnect the engine wire harness.
c. Remove the 9 bolts and the cylinder head cover.
22. REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY LH
a. Using an E6 Torx socket wrench, remove the 2 bolts and disconnect the engine wire harness protector.
b. Remove the 2 engine wire harness clamps.
CAUTION: Wear insulating gloves.
c. Remove the 2 bolts and 2 brackets.
d. Remove the 9 bolts and the cylinder head cover.
23. INSPECT VALVE CLEARANCE
a. Turn the crankshaft pulley, and align the timing notch with the timing mark 0 of the No. 1 timing belt cover.
b. Check that the valve lifters on the No. 1 cylinder (IN and EX) are both loose.
If not, turn the crankshaft 1 revolution (360°) and align the mark as above.
c. Check the valves indicated in the illustration.
(1) Using a feeler gauge, measure the clearance between the valve lifter and the camshaft.
Valve clearance (Cold):
Intake: 0.15 to 0.25 mm (0.0059 to 0.0098 inch)
Exhaust: 0.25 to 0.35 mm (0.0098 to 0.0138 inch)
(2) Record out-of-specification valve clearance measurements. They will be used later to determine the required replacement adjusting shim.
d. Turn the crankshaft 2/3 of a revolution (240°), and check the valves indicated in the illustration.
(1) Using a feeler gauge, measure the clearance between the valve lifter and the camshaft.
Valve clearance (Cold):
Intake: 0.15 to 0.25 mm (0.0059 to 0.0098 inch)
Exhaust: 0.25 to 0.35 mm (0.0098 to 0.0138 inch)
(2) Record out-of-specification valve clearance measurements. They will be used later to determine the required replacement adjusting shim.
e. Turn the crankshaft 2/3 of a revolution (240°), and check the valves indicated in the illustration.
(1) Using a feeler gauge, measure the clearance between the valve lifter and the camshaft.
Valve clearance (Cold):
Intake: 0.15 to 0.25 mm (0.0059 to 0.0098 inch)
Exhaust: 0.25 to 0.35 mm (0.0098 to 0.0138 inch)
(2) Record out-of-specification valve clearance measurements. They will be used later to determine the required replacement adjusting shim.
24. ADJUST VALVE CLEARANCE
a. Turn the camshaft so that the cam lobe faces upward.
b. Turn the valve lifter with a screwdriver so that the notches are perpendicular to the camshaft.
c. Using SST (A), press down the valve lifter and place SST (B) between the camshaft and valve lifter. Remove SST (A).
SST 09248-55040 (09248-05410, 09248-05420)
HINT:
^ Apply SST (B) at a slight angle on the side marked with 9 or 7 at the position shown in the illustration.
^ When SST (B) is inserted too deeply, it will get pinched by the shim. To prevent it from being stuck, insert it gently from the intake side at a slight angle.
d. Using a screwdriver and magnetic finger, remove the adjusting shim.
e. Using a micrometer, measure the thickness of the removed shim.
f. Calculate the thickness of a new shim so the valve clearance comes within the specified value.
Specified value (Cold):
Intake A = B + (C - 0.20 mm (0.0079 inch))
Exhaust A = B + (C - 0.30 mm (0.0118 inch))
g. Select a new shim with a thickness as close as possible to the calculated values.
HINT:
^ Shims are available in 17 sizes in increments of 0.05 mm (0.0020 inch), from 2.50 mm (0.0984 inch) to 3.30 mm (0.1299 inch).
^ Refer to new shim thickness table.
Adjusting Shim Selection Chart (Intake):
Intake valve clearance (Cold): 0.15 to 0.25 mm (0.0059 to 0.0098 inch)
EXAMPLE: The 2.800 mm (0.1102 inch) shim is installed, and the measured clearance is 0.450 mm (0.0177 inch). Replace the 2.800 mm (0.1102 inch) shim with a new No. 12 shim.
New Shim Thickness MM (Inch):
HINT: New shims have the thickness in millimeters imprinted on the face.
Adjusting Shim Selection Chart (Exhaust):
Exhaust valve clearance (Cold): 0.25 to 0.35 mm (0.0098 to 0.0138 inch)
EXAMPLE: The 2.800 mm (0.1102 inch) shim is installed, and the measured clearance is 0.450 mm (0.0177 inch). Replace the 2.800 mm (0.1102 inch) shim with a new No. 10 shim.
New Shim Thickness MM (Inch):
HINT: New shims have the thickness in millimeters imprinted on the face.
h. Place a new adjusting shim on the valve lifter with imprinted number facing down.
i. Press down the valve lifter with SST (A), and remove SST (B).
SST 09248-55040 (09248-05410, 09248-05420)
j. Recheck the valve clearance.
25. INSTALL CYLINDER HEAD COVER SUB-ASSEMBLY
a. Apply seal packing to the cylinder head as shown in the illustration.
Seal packing: Part No. 08826-00080 or equivalent
NOTICE:
^ Remove any oil from the contact surface.
^ Install the cylinder head cover within 3 minutes after applying seal packing.
^ Do not start the engine within 2 hours after installing.
b. Install the cylinder head cover with the 9 bolts. Tighten the bolts uniformly in several steps.
Torque: 8.0 Nm (80 kgf-cm, 71 inch lbs.)
c. Install the engine wire harness with the 3 nuts and 2 clamps.
Torque: 8.4 Nm (85 kgf-cm, 74 inch lbs.)
26. INSTALL CYLINDER HEAD COVER SUB-ASSEMBLY LH
a. Apply seal packing to the cylinder head as shown in the illustration.
Seal packing: Part No. 08826-00080 or equivalent
NOTICE:
^ Remove any oil from the contact surface.
^ Install the cylinder head cover within 3 minutes after applying seal packing.
^ Do not start the engine within 2 hours after installing.
b. Install the cylinder head cover with the 9 bolts. Tighten the bolts uniformly in several steps.
Torque: 8.0 Nm (80 kgf-cm, 71 inch lbs.)
c. Install the 2 brackets with the 2 bolts.
d. Install the 2 engine wire harness clamps.
CAUTION: Wear insulating gloves.
e. Using an E6 Torx socket wrench, install the engine wire harness protector with the 2 bolts.
Torque: 8.4 Nm (85 kgf-cm, 74 inch lbs.)
27. INSTALL IGNITION COIL ASSEMBLY
Torque: 8.0 Nm (80 kgf-cm, 71 inch lbs.)
28. CONNECT RADIATOR HOSE INLET
29. INSTALL INTAKE AIR SURGE TANK
30. INSTALL EMISSION CONTROL VALVE SET
31. INSTALL AIR CLEANER CASE W/RESONATOR
32. INSTALL AIR CLEANER CAP W/INLET
33. INSTALL COOL AIR INTAKE DUCT SEAL
34. INSTALL COWL TOP PANEL SUB-ASSEMBLY OUTER
35. INSTALL WINDSHIELD WIPER MOTOR AND LINK ASSEMBLY
36. INSTALL COWL TOP VENTILATOR LOUVER SUBASSEMBLY
37. INSTALL FRONT WIPER ARM AND BLADE ASSEMBLY LH
38. INSTALL FRONT WIPER ARM AND BLADE ASSEMBLY RH
39. ADD ENGINE OIL
40. ADD COOLANT
41. CHECK FOR ENGINE COOLANT LEAKS
42. CHECK FOR ENGINE OIL LEAKS
43. INSTALL FRONT FENDER APRON SEAL RH
44. INSTALL FRONT FENDER SPLASH SHIELD SUBASSEMBLY RH
45. INSTALL ENGINE UNDER COVER NO. 1
46. INSTALL FRONT WHEEL RH
47. INSTALL ENGINE ROOM COVER SIDE
48. INSTALL ENGINE ROOM SIDE LH COVER