WARNING: This page is about a different variant/trim than selected.

NOTE:

Be careful that the foreign matter is not into or onto the assembled component during installation.
Apply engine oil to all component parts of the timing chain.

Install the side chain guide RH to the front camshaft cap RH.
Tightening torque:

6.4 N.m (0.7 kgf-m, 4.7 ft-lb)

Courtesy of SUBARU OF AMERICA, INC.
Install timing chain LH. Refer to MECHANICAL (H4DOTC)>Timing Chain Assembly>INSTALLATION>TIMING CHAIN LH .

Prepare to attach the chain tensioner RH.

Press the link plate (A) in the direction of arrow to insert the plunger (B).

Courtesy of SUBARU OF AMERICA, INC.

In order to secure the plunger, insert a stopper pin with a diameter of 2.5 mm (0.0984 in) or a hex wrench with a diameter of 2.5 mm into the stopper pin hole.

NOTE: If the stopper pin hole on the link plate and the stopper pin hole on the chain tensioner are not aligned, check that the first notch of plunger rack (A) is engaged with the stopper tooth (B). If not engaged, retract the plunger a little so that the first notch of plunger rack (A) is engaged with the stopper tooth (B).

Courtesy of SUBARU OF AMERICA, INC.

Make sure that the alignment mark of the crank sprocket, the alignment mark (protrusion) of the intake cam sprocket LH and the alignment mark (protrusion) of the exhaust cam sprocket LH are aligned to the positions as shown in the figure.

Courtesy of SUBARU OF AMERICA, INC.
Align the alignment mark (protrusion) of the intake cam sprocket RH and the alignment mark (protrusion) of the exhaust cam sprocket RH to the positions as shown in the figure.
CAUTION: To prevent valve damage, turn the intake cam sprocket RH and exhaust cam sprocket RH only within the range of zero-lift (in range where it can be turned lightly by hand).

Courtesy of SUBARU OF AMERICA, INC.
Install the timing chain RH and the timing chain guide RH.
1. Match the timing chain mark (deep blue) to the alignment mark of the crank sprocket.
2. Match the timing chain mark (yellow) to the timing mark position of the intake cam sprocket RH.
3. Match the timing chain mark (yellow) to the timing mark position of the exhaust cam sprocket RH.
4. Install the timing chain guide RH.
Tightening torque:

6.4 N.m (0.7 kgf-m, 4.7 ft-lb)

Courtesy of SUBARU OF AMERICA, INC.
Install a new O-ring to the cylinder block RH.

Courtesy of SUBARU OF AMERICA, INC.
Install the chain tensioner lever RH (A) and chain tensioner RH.
Tightening torque:

8.5 N.m (0.9 kgf-m, 6.3 ft-lb)

Courtesy of SUBARU OF AMERICA, INC.
Pull out the stopper pin from the chain tensioner RH.
CAUTION:
Confirm the following before pulling out the stopper pin.
- Matching of the timing chain mark (deep blue) to the alignment mark of the crank sprocket.
- Matching of the timing chain mark (yellow) to the timing mark position of the intake cam sprocket RH.
- Matching of the timing chain mark (yellow) to the timing mark position of the exhaust cam sprocket RH.
Courtesy of SUBARU OF AMERICA, INC.
Make sure that the alignment mark of the cam sprocket and the alignment mark (protrusion) of the crank sprocket are aligned to the positions as shown in the figure.

Courtesy of SUBARU OF AMERICA, INC.
When the cam sprocket RH has been removed, and the cam carrier RH has been disassembled
NOTE: Follow also steps below when the exhaust cam sprocket RH has been removed, and the cam carrier RH has been disassembled.
1. Using the ST, tighten the bolts which hold the cam sprocket RH.
Preparation tool:

ST: SOCKET (18270KA010)

Tightening torque:

18 N.m (1.8 kgf-m, 13.3 ft-lb)

Courtesy of SUBARU OF AMERICA, INC.
Using the ST, turn the crankshaft clockwise, and make sure that there are no abnormal conditions.
CAUTION: Always make sure to perform this confirmation.

Preparation tool:

ST: CRANKSHAFT SOCKET (18252AA000)

Courtesy of SUBARU OF AMERICA, INC.
Install the chain cover. Refer to MECHANICAL (H4DOTC)>Chain Cover>INSTALLATION .

Safety Warning

Timing Chain RH

Use the Manual With the Right Hardware

When to See a Mechanic