Section 10 (Engine Mechanical (H4SO)): Camshaft: Installation

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

Apply a thin coat of engine oil to camshaft journals, and install the camshaft.
Install the camshaft cap.
1. Apply liquid gasket to the mating surfaces of camshaft cap.
  Liquid gasket:
  
  THREE BOND 1280B (Part No. K0877YA018)
  
  Fig 1: Applying Liquid Gasket To Mating Surfaces Of Camshaft Cap
  Courtesy of SUBARU OF AMERICA, INC.
  NOTE:
  - Apply a coat of liquid gasket of 3 mm (0.12 in) in diameter (A) along the edge (B) of camshaft cap (C) mating surface.
  - Install within 20 min. after applying liquid gasket.
    
    Fig 2: Applying Coat Of Liquid Gasket Of Camshaft Cap
    Courtesy of SUBARU OF AMERICA, INC.
2. Temporarily tighten the bolts (a) through (d) in alphabetical sequence.
  
  Fig 3: Tightening Sequence Of Bolts
  Courtesy of SUBARU OF AMERICA, INC.
3. Install the valve rocker assembly.
  < Ref. to INSTALLATION , Valve Rocker Assembly. >
4. Tighten the TORX® bolts (e) through (j) in alphabetical sequence using the ST.
  ST 499497000 TORX® PLUS
  
  Tightening torque:
  
  18 N.m (1.8 kgf-m, 13.0 ft-lb)
  
  Fig 4: Tightening Sequence Of Torx Bolts
  Courtesy of SUBARU OF AMERICA, INC.
5. Tighten the bolts (k) through (r) in alphabetical sequence.
  Tightening torque:
  
  9.75 N.m (1.0 kgf-m, 7.2 ft-lb)
  
  Fig 5: Tightening Sequence Of Bolts
  Courtesy of SUBARU OF AMERICA, INC.
6. Tighten the bolts (s) and (t) in alphabetical sequence.
  NOTE: Use a new seal washer.
  
  Tightening torque:
  
  9.75 N.m (1.0 kgf-m, 7.2 ft-lb)
  
  Fig 6: Tightening Sequence Of Bolts
  Courtesy of SUBARU OF AMERICA, INC.
Apply a coat of grease to oil seal lips 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

Fig 7: Applying Coat Of Grease To Oil Seal Lips
Courtesy of SUBARU OF AMERICA, INC.
Install the plug (A) using ST.
ST 499587700 CAMSHAFT OIL SEAL INSTALLER

Fig 8: Installing Plug Using Camshaft Oil Seal Installer ST (499587700)
Courtesy of SUBARU OF AMERICA, INC.
Adjust the valve clearance. < Ref. to ADJUSTMENT , Valve Clearance. >
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:

1st

6.4 N.m (0.65 kgf-m, 4.7 ft-lb)

2nd

6.4 N.m (0.65 kgf-m, 4.7 ft-lb)

RH side

Fig 9: Tightening Sequence Of Rocker Cover Bolts - RH Side
Courtesy of SUBARU OF AMERICA, INC.

LH side

Fig 10: Tightening Sequence Of Rocker Cover Bolts - LH Side
Courtesy of SUBARU OF AMERICA, INC.
Install the oil level gauge guide. (LH side only)
Install the camshaft position sensor support. (LH side only)
Install the tensioner bracket.
Tightening torque:

24.5 N.m (2.5 kgf-m, 18.1 ft-lb)

Fig 11: Identifying Tensioner Bracket
Courtesy of SUBARU OF AMERICA, INC.
Install the timing belt cover No. 2 (RH).
Tightening torque:

5 N.m (0.5 kgf-m, 3.6 ft-lb)
Install the timing belt cover No. 2 (LH).
Tightening torque:

5 N.m (0.5 kgf-m, 3.6 ft-lb)

Fig 12: Identifying Timing Belt Cover No. 2 (LH)
Courtesy of SUBARU OF AMERICA, INC.
Install the cam sprocket. < Ref. to INSTALLATION , Cam Sprocket. >
Install the timing belt. < Ref. to INSTALLATION , Timing Belt. >
Install the timing belt cover.
< Ref. to INSTALLATION , Timing Belt Cover. >
Install the crank pulley. < Ref. to INSTALLATION , Crank Pulley. >
Install the V-belts. < Ref. to INSTALLATION , V-belt. >