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HOMESERVICE MANUALSSUBARU2014FORESTER 2.5I, ENG CD FB25BA, STANDARD TRANSREPAIR AND DIAGNOSISENGINE MECHANICALMECHANICALENGINE MECHANICAL (H4DO)TIMING CHAIN ASSEMBLYREMOVALTIMING CHAIN LH
2014 Subaru Forester 2.5i, Eng CD FB25BA, Standard Trans

Timing Chain LH

2014 Subaru Forester 2.5i, Eng CD FB25BA, Standard TransSECTION Timing Chain LH
  1. Remove the timing chain RH. < Ref. to TIMING CHAIN RH , REMOVAL, Timing Chain Assembly. >
  2. Using ST and by turning the crankshaft, align the alignment marks of crankshaft key, intake cam sprocket LH and exhaust cam sprocket LH to the positions as shown in the figure.

    ST 18252AA000 CRANKSHAFT SOCKET

    Fig 1: Turning Crankshaft
    G09476007Courtesy of SUBARU OF AMERICA, INC.
  3. Push down the chain lever tensioner LH, and with a 2.5 mm (0.98 in) dia. stopper pin or a 2.5 mm (0.98 in) dia. hex wrench inserted into the stopper pin hole in the chain tensioner LH, secure the plunger (A).
    Fig 2: Inserting Hex Wrench Into Stopper Pin Hole In Chain Tensioner
    G08316945Courtesy of SUBARU OF AMERICA, INC.
  4. Remove the chain tensioner LH, and remove the chain tensioner lever LH (A).
    Fig 3: Locating Chain Tensioner Lever Bolts
    G08562972Courtesy of SUBARU OF AMERICA, INC.
  5. Remove the O-ring from the cylinder block LH.
    Fig 4: Locating Cylinder Block O-Ring
    G08580109Courtesy of SUBARU OF AMERICA, INC.
  6. Remove the chain guide LH, and remove the timing chain LH (A).
    CAUTION:
    • If the timing chain LH is not installed, the exhaust camshaft LH is kept at zero-lift position. All cams on the exhaust camshaft LH are not pressing down the roller rocker arm (exhaust valve). (Under this condition, exhaust valves remain unlifted.)
    • Intake camshaft LH is kept at lift position. All cams on the intake camshaft LH are pressing down the roller rocker arm (intake valve). (Under this condition, intake valves remain lifted.)
    • Intake camshaft LH and exhaust camshaft RH can be independently rotated with the timing chain LH removed. When the exhaust camshaft LH is turned, the valve heads contact each other and valve stem may bend as described in above. Do not turn the exhaust camshaft LH to the outside of range of zero-lift (in range where it can be turned lightly by hand).
    • #1 piston and #4 piston are located near TDC. If the intake camshaft LH is turned, the valve and the piston may contact and valve stem may bend. Do not turn the intake camshaft LH at this time.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.