Dodge Journey: Rocker arm, valve

DESCRIPTION

2.7L DOHC Engine
Fig. 133: Rocker Arm

  1. - LASH ADJUSTER POCKET
  2. - OIL SQUIRT HOLE
  3. - ROLLER

The rocker arms are composed of steel stamping with an integral roller bearing. The rocker arms incorporate a 0.5 mm (0.0197 in.) oil hole in the lash adjuster socket for roller/camshaft lobe lubrication.

REMOVAL

2.7L DOHC Engine
Fig. 134: Cylinder Head Cover Fasteners

  1. - DOUBLE ENDED STUDS
  2. - BOLTS

1. Remove cylinder head cover(s).

CAUTION: Always rotate engine by turning the crankshaft. Failure to do so will result in valve and/or piston damage.

2. Rotate engine until the cam lobe is on its base circle (heel), on the rocker arm being removed.

2.7L DOHC Engine
Fig. 135: Rocker Arm - Removal/Installation

  1. - SPECIAL TOOL 8215A
  2. - SPECIAL TOOL 8216A
  3. - 3/8" DRIVE RATCHET

CAUTION: Depress valve spring only enough to remove rocker arm.

3. Using Special Tools 8215A (1) and 8216A (2) Adaptor, depress valve spring only enough to release tension on rocker arm.

4. Remove rocker arm from cylinder head.

CAUTION: If rocker arms are to be reused, identify position of rocker arms for reassembly in their original positions.

5. Repeat procedure for each rocker arm removed.

6. Inspect the rocker arm for wear or damage.

INSPECTION

2.7L DOHC Engine
Fig. 136: Rocker Arm

  1. - LASH ADJUSTER POCKET
  2. - OIL SQUIRT HOLE
  3. - ROLLER

Inspect the cam follower assembly for wear or damage. Replace as necessary.

INSTALLATION

2.7L DOHC Engine
Fig. 137: Rocker Arm - Removal/Installation

  1. - SPECIAL TOOL 8215A
  2. - SPECIAL TOOL 8216A
  3. - 3/8" DRIVE RATCHET

1. Lubricate rocker arms with clean engine oil before installation.

2. Rotate engine until cam lobe is on its base circle (heel) of rocker arm being installed.

3. Using Special Tools 8215A (1) and 8216A Adaptor, depress valve spring only enough to install rocker arm.

4. Install rocker arm in original position (if reused) over valve and lash adjuster. Release tension on valve spring.

NOTE: Inspect rocker arm for proper engagement into lash adjuster and valve tip.

5. Repeat procedure for each rocker arm being installed.

2.7L DOHC Engine
Fig. 138: Cylinder Head Cover Fasteners

  1. - DOUBLE ENDED STUDS
  2. - BOLTS

6. Install cylinder head cover(s).

    Lifter(s), hydraulic
    Diagnosis and Testing DIAGNOSIS AND TESTING - HYDRAULIC LASH ADJUSTER NOISE DIAGNOSIS Proper noise diagnosis is essential in locating the source of a NVH complaint. Locating a lash adjuster (tappe ...

    Seal(s), valve guide
    REMOVAL Fig. 139: Valve Stem Seal-Removal/Installation - VALVE SEAL TOOL - VALVE STEM 1. Remove valve spring. 2. Remove valve stem seal by using a valve seal tool. INSTALLATION Fig. ...

    See also:

    Diagnosis and testing
    COMMON PROBLEM CAUSES The majority of transaxle malfunctions are a result of: Insufficient lubrication Incorrect lubricant Misassembled or damaged internal components Improper operation ...

    Diagnosis and testing
    EXCESSIVE EXHAUST SYSTEM NOISE CONDITION POSSIBLE CAUSES CORRECTION EXCESSIVE EXHAUST NOISE (UNDER HOOD) 1. Exhaust manifold cracked or broken.2. Manifold to cyl ...

    REPORTING SAFETY DEFECTS
    In the 50 United States and Washington, D.C. If you believe that your vehicle has a defect that could cause a crash or cause injury or death, you should immediately inform the National Highway Traf ...


    0.0189