Camshaft
CamshaftCylinder Head and Camshaft:
REMOVAL
1. Remove the V-belts.
2. Remove the crank pulley.
3. Remove the timing belt cover.
4. Remove the timing belt.
5. Remove the cam sprocket.
6. Remove the timing belt cover No. 2 (LH).
7. Remove the timing belt cover No. 2 (RH).
NOTE: Do not damage or lose the seal rubber when removing the timing belt covers.
8. Remove the tensioner bracket.
9. Remove the camshaft position sensor support. (LH side only)
10. Remove the oil level gauge guide. (LH side only)
11. Remove the valve rocker assembly.
12. Remove the camshaft cap.
a. Remove the bolts (a) and (b) in alphabetical sequence.
b. Equally loosen the bolts (c) through (j) all the way in alphabetical sequence.
c. Remove the bolts (k) through (p) in alphabetical sequence using ST.
ST 499497000 TORX8 PLUS
d. Remove the camshaft cap.
13. Remove the camshaft.
14. Remove the oil seal.
15. Remove the plug from rear side of camshaft.
CAUTION:
^ Do not remove the oil seal unless necessary.
^ Do not scratch the journal surface when removing the oil seal.
INSTALLATION
1. Apply a thin coat of engine oil to camshaft journals, and install the camshaft.
2. Install the camshaft cap. (1) Apply liquid gasket to the mating surfaces of camshaft cap.
Liquid gasket. THREE BOND 1280B (Part No. K0877YA018)
NOTE:
^ Apply a coat of liquid gasket of 3 mm (0.12 inch) in diameter (A) along the edge (B) of camshaft cap (C) mating surface.
^ Install within 20 min. after applying liquid gasket.
2. Temporarily tighten the bolts (a) through (d) in alphabetical sequence.
3. Install the valve rocker assembly.
4. Tighten the TORK bolts (e) through (j) in alphabetical sequence using the ST. ST 499497000 TORX PLUS
5. Tighten the bolts (k) through (r) in alphabetical sequence.
6. Tighten the bolts (s) and (t) in alphabetical sequence.
NOTE: Use a new seal washer.
3. Apply engine oil to the oil seal periphery and oil seal lip, and install the oil seal (A) on camshaft using ST1 and ST2.
NOTE: Use a new oil seal.
ST1 499597000 OIL SEAL GUIDE
ST2 499587500 OIL SEAL INSTALLER
4. Install the plug (A) using ST.
ST 499587700 CAMSHAFT OIL SEAL INSTALLER
5. Adjust the valve clearance.
6. Install the rocker cover and rocker cover gasket, and then connect PCV hose.
NOTE:
^ Use a new rocker cover gasket.
^ Tighten the bolts in two stages in alphabetical sequence as shown in figure.
Tightening torque:
ast 6.4 Nm (0.65 kgf-m, 4.7 ft. lbs.)
bnd 6.4 Nm (0.65 kgf-m, 4.7 ft. lbs.)
RH side
LH side
7. Install the oil level gauge guide. (LH side only)
8. Install the camshaft position sensor support. (LH side only)
9. Install the tensioner bracket.
10. Install the timing belt cover No. 2 (RH).
Tightening torque: 5 Nm (0.5 kgf-m, 3.6 ft. lbs.)
11. Install the timing belt cover No. 2 (LH).
12. Install the cam sprocket.
13. Install the timing belt.
15. Install the crank pulley.
16. Install the V-belts.
INSPECTION
CAMSHAFT
1. Measure the bend, and repair or replace if necessary.
2. Check the journal for damage and wear. Replace if faulty.
3. Measure the outer diameter of camshaft journal and inner diameter of cylinder head journal, and confirm the difference (oil clearance) between the two values. If the oil clearance exceeds the standard, replace the camshaft or cylinder head as necessary.
4. Check the cam face condition, and remove the minor faults by grinding with oil stone. Measure the cam height H. If it exceeds the standard, replace it.
5. Measure the thrust clearance of camshaft with setting the dial gauge at end of camshaft. If the thrust clearance exceeds the limit, replace the camshaft caps and cylinder head as a set. If necessary, replace the camshaft.
Standard. 0.030 - 0.090 mm (0.0012 - 0.0035 inch)