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Home >> Mitsubishi >> 2010 >> Lancer ES, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 16 (Engine Mechanical -- Lancer Evolution) >> Camshaft >> Removal And Installation >> Installation Service Points >> >>E<< Camshaft Bearing/Camshaft And Camshaft Sprocket Assembly (Exhaust Side) Installation

>>E<< Camshaft Bearing/Camshaft And Camshaft Sprocket Assembly (Exhaust Side) Installation

WARNING: This page is about a different variant/trim than selected.
CAUTION: Be careful not to drop the camshaft bearing.
  1. When replacing the camshaft bearing, according to the identification mark of front camshaft bearing cap in the table below, select a camshaft bearing with the corresponding size. Note that the identification mark of camshaft bearing is stamped on the place shown in the illustration.
    FRONT CAMSHAFT BEARING CAP SPECIFICATION

    Front camshaft bearing cap Camshaft bearing identification mark
    Identification mark Journal diameter mm (in)
    1 40.000 - 40.008 (1.5748 - 1.5751) 1
    2 40.008 - 40.016 (1.5751 - 1.5754) 2
    3 40.016 - 40.024 (1.5754 - 1.5757) 3
    Fig 1: Identifying Front Camshaft Bearing Cap
    G06674004Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    Fig 2: Identifying Oil Hole And Notch
    G05392402Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  2. In the same manner as removal, insert the precision flat-tipped screwdriver through the service hole of the timing chain case, press up the ratchet of timing chain tensioner to unlock, and hold the unlocked timing chain tensioner.
    NOTE: Lightly press down the tail end of the precision flat-tipped screwdriver to press up the tip of the precision flat-tipped screwdriver inserted to the timing chain tensioner to unlock.
    CAUTION:
    • When inserting special tool MB992103 into the timing chain case assembly, pay attention to the position of the timing chain to avoid damage to the timing chain and timing chain tension side guide. Do not insert the special tool MB992103 beyond its insertion guideline.
    • If unlocking the timing chain tensioner is insufficient, the special tool MB992103 cannot be inserted to the insertion guideline. Do not insert the special tool MB992103 forcibly, follow Step  2 again to unlock the timing chain tensioner and insert the special tool MB992103.
      Fig 3: Timing Chain Tensioner Construction Diagram
      G05374119Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  3. With the timing chain tensioner unlocked, insert special tool MB992103 inside the timing chain case assembly along the tension side of the timing chain until the insertion guide line aligns with the upper surface of the timing chain case assembly (Fig 5).
    NOTE: With the timing chain tensioner unlocked, insert the special tool MB992103 along the tension side of the timing chain, according to the special tool MB992103 top shape. The special tool MB992103 can be inserted smoothly to the position where the special tool MB992103 insertion guideline aligns with the timing chain case assembly top surface, and the spread timing chain tension side guide can be hold.
    Fig 4: Inserting Special Tool (MB992103) Tension Side Of Timing Chain
    G05392388Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  4. With the special tool MB992103 inserted up to the insertion guide line, press the special tool MB992103 against the intake side camshaft sprocket (Fig 5) and spread and hold the timing chain tension side guide (Fig 5).
  5. Remove the flat-tipped precision screwdriver unlocking the timing chain tensioner.
  6. Pull up the camshaft and camshaft sprocket assembly (exhaust side) mounting area of the timing chain (Fig 5) to provide allowance for easy installation of the camshaft and camshaft sprocket assembly (exhaust side) to the timing chain.
    Fig 5: Pulling Camshaft And Camshaft Sprocket Assembly
    G05392405Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    CAUTION: When installing the camshaft and camshaft sprocket assembly (exhaust side), be careful not to let the camshaft bearing which is installed to the front cam bearing deviate from its position.
  7. Align the exhaust side paint mark of the timing chain which was put at removal with the paint mark of the exhaust side camshaft sprocket, and install the timing chain to the camshaft sprocket.
  8. Install the camshaft and camshaft sprocket assembly (exhaust side) to the cylinder head.
  9. Remove the special tool inserted into the timing chain case assembly inside.
    Fig 6: Aligning Exhaust Side Paint Mark Of Timing Chain
    G05374137Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.