Repair Procedures: Installation
- Install the intake CVVT (A).
- Install the CVVD assembly (A).NOTE:
- When installing the intake camshaft, spray the engine oil to the camshaft journal installing part (A) of the cam carrier.
The amount of application should be enough to flow down both the front and back sides when it is applied to the center.
- For installation, the timing mark (A) of the intake CVVT and the timing chain mark (B) should be matched.
NOTE:- During the installation, there should be no artificial rotation or movement of the guide bracket and control shaft.
- When removing the CVVD fixing jig, be sure to securely tighten the M6 bolts.
- If CVVD fixing jig is available, be sure to work by using it.
When Using the CVVD fixture
- When installing the CVVD assembly mounting bolts (M6), tighten sequence shown.
Tightening torque:
1ST
4.9 - 6.9 N.m (0.5 - 0.7 kgf.m, 3.6 - 5.1 lb-ft)
2nd
9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb-ft)
- Remove the CVVD fixture (A).
- When installing the CVVD assembly mounting bolts (M6), tighten sequence shown.
Tightening torque:
1ST
9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb-ft)
2nd
18.6 - 22.6 N.m (1.9 - 2.3 kgf.m, 13.7 - 16.6 lb-ft)
- Remove the CVVD assembly mounting bolts (M6) (A).
- When installing the CVVD assembly mounting bolts (M6), tighten sequence shown.
Tightening torque:
1ST
4.9 - 6.9 N.m (0.5 - 0.7 kgf.m, 3.6 - 5.1 lb-ft)
2nd
9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb-ft)
- Measure the clearance between the control shaft bearing cap and the end of control shaft using a clearance gauge.
Clearance: 0.0 - 0.05 mm (0.0 - 0.002 in.)
When not using the CVVD fixture
- When installing the CVVD assembly (A) mounting bolts, tighten sequence shown.
Tightening torque:
1ST
M8 bolts: 9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb-ft)
M6 bolts: 4.9 - 6.9 N.m (0.5 - 0.7 kgf.m, 3.6 - 5.1 lb-ft)
2nd
M8 bolts: 18.6 - 22.6 N.m (1.9 - 2.3 kgf.m, 13.7 - 16.6 lb-ft)
M6 bolts: 9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb-ft)
- Release the torque of control shaft bearing cap bolt (A).
- Push the control shaft bearing cap as close as possible in the direction of the arrow.
- Install the control shaft bearing cap mounting bolts (A).
Tightening torque:
9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb-ft)
- Measure the clearance between the control shaft bearing cap and the end of control shaft using a clearance gauge.
Clearance: 0.0 - 0.05 mm (0.0 - 0.002 in.)
- When installing the intake camshaft, spray the engine oil to the camshaft journal installing part (A) of the cam carrier.
- Install the intake OCV & center bolt (A).
Tightening torque:
22.6 - 26.5 N.m (2.3 - 2.7 kgf.m, 16.6 - 19.5 lb-ft) + 32 - 36°
NOTE:- To prevent impurities from entering intake oil control valve (OCV) & center bolt, wear rubber gloves.
- intake oil control valve (OCV) and center bolt, hold the hexagonal portion on the camshaft with a wrench to prevent the camshaft from rotating.
- Compress the timing chain tensioner piston.
- With a pry bar (A), compress the timing chain tensioner piston (B).
- With a thin gimlet (A), raise the ratchet plate (B) of the timing chain tensioner and fix the piston.
Information
- Do not remove the pick (A).
- With a pry bar (A), compress the timing chain tensioner piston (B).
- Install the exhaust CVVT (A).NOTE:
- When installing the timing chain, be sure that the timing mark (A) of each sprocket is matched with the timing mark (B) (color link) of the timing chain.
[Exhaust CVVT Timing Mark]
- Install the exhaust camshaft (A).NOTE:
- When installing the exhaust camshaft, spray the engine oil to the camshaft journal installing part of the cam carrier.
The amount of application should be enough to flow down both the front and back sides when it is applied to the center.
- When installing the exhaust camshaft, spray the engine oil to the camshaft journal installing part of the cam carrier.
- Install the exhaust oil control valve (OCV) and center bolt (A).
Tightening torque:
22.6 - 26.5 N.m (2.3 - 2.7 kgf.m, 16.6 - 19.5 lb-ft) + 32 - 36°
NOTE:- To prevent impurities from entering exhaust oil control valve (OCV) & center bolt, wear rubber gloves.
- When installing the exhaust oil control valve (OCV) and center bolt, hold the hexagonal portion on the camshaft with a wrench to prevent the camshaft from rotating.
- Install the camshaft front bearing cap (A) and camshaft bearing caps (B).NOTE:
- If there is enough engine oil on the camshaft front bearing cap and camshaft bearing cap installing bolt and bolt hole, tighten to the minimum required tightening torque.
- Apply engine oil the upper part of the intake/exhaust camshaft journal, then install the camshaft front bearing cap and camshaft bearing cap. The amount of application should be enough to flow down both the front and back sides when it is applied to the center.
- Install the cam carrier mounting bolts (A).
Tightening torque:
18.6 - 22.6 N.m (1.9 - 2.3 kgf.m, 13.7 - 16.6 lb-ft)
- Install the camshaft front bearing cap and camshaft bearing cap installing bolt with direction from back of engine to the front of engine according to the procedure at down below.
Tightening torque:
4.9 - 6.9 N.m (0.5 - 0.7 kgf.m, 3.6 - 5.1 lb-ft)
- Install the camshaft bearing cap installing bolt with direction from back of engine to the front of engine according to the procedure at down below.
Tightening torque:
4.9 - 6.9 N.m (0.5 - 0.7 kgf.m, 3.6 - 5.1 lb-ft)
- Install the camshaft bearing cap installing bolt with direction from back of engine to the front of engine according to the procedure at down below.
Tightening torque:
4.9 - 6.9 N.m (0.5 - 0.7 kgf.m, 3.6 - 5.1 lb-ft)
- Install the camshaft front bearing cap and camshaft bearing cap installing bolt with direction from back of engine to the front of engine according to the procedure at down below.
Tightening torque:
9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb-ft)
- Install the camshaft front bearing cap and camshaft bearing cap installing bolt with direction from back of engine to the front of engine according to the procedure at down below.
Tightening torque:
18.6 - 22.6 N.m (1.9 - 2.3 kgf.m, 13.7 - 16.6 lb-ft)
- Install the camshaft bearing cap installing bolt with direction from back of engine to the front of engine according to the procedure at down below.
Tightening torque:
11.8 - 13.7 N.m (1.2 - 1.4 kgf.m, 8.7 - 10.1 lb-ft)
- Install the camshaft bearing cap installing bolt with direction from back of engine to the front of engine according to the procedure at down below.
Tightening torque:
11.8 - 13.7 N.m (1.2 - 1.4 kgf.m, 8.7 - 10.1 lb-ft)
- Remove the fine gimlets (A) that hold the timing chain tensioner.
- When installing the timing chain, be sure that the timing mark (A) of each sprocket is matched with the timing mark (B) (color link) of the timing chain.
[Intake CVVT Timing Mark]
[Exhaust CVVT Timing Mark]
- Install the fuel pump bracket (A).
Tightening torque:
18.6 - 23.5 N.m (1.9 - 2.4 kgf.m, 13.7 - 17.4 lb-ft)
- Install the cam to cam guide (A).
Tightening torque:
9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb-ft)
- Install the intake and exhaust variable force solenoid (VFS) valves (A).
Tightening torque:
9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb-ft)
- Install the cylinder head cover.
(Refer to Cylinder Head Assembly - "CYLINDER HEAD COVER ")