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Home >> Jeep >> 2021 >> Cherokee Trailhawk >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (2.4L Engine (Service Information)) >> Cylinder Head >> Spring(S), Valve >> Installation >> Off Vehicle

Off Vehicle

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

The intake and exhaust springs are NOT interchangeable. Mark the springs accordingly for installation. Correctly identify the part numbers for new springs being installed.

GC0155551Courtesy of CHRYSLER GROUP, LLC
  1. If removed, install the valve(s). Refer to INSTALLATION  .
    NOTE:

    Reassemble the valves into their original locations. If the valves or valve seats have been refinished, verify that the valve stem tip height (5) is within specification. Refer to SPECIFICATIONS  .

    GC0155796Courtesy of CHRYSLER GROUP, LLC
  2. If removed, install the valve guide seal (2) over the valve guide (3). Refer to INSTALLATION  .
    NOTE:

    Make sure that the garter spring (1) is intact around the top of the valve guide seal (2). Number 2 cylinder exhaust valve guide seal shown in illustration, all other valves similar.

    GC0156007Courtesy of CHRYSLER GROUP, LLC
    NOTE:

    The intake and exhaust springs are NOT interchangeable. Mark the springs accordingly for installation. Correctly identify the part numbers for new springs being installed.

    NOTE:

    If the valve springs are being reused, reassemble them into their original locations.

    NOTE:

    Number 2 cylinder exhaust valve spring shown in illustration, all other valves similar.

  3. Install the valve spring (2) and valve spring retainer (1).
    GC0155648Courtesy of CHRYSLER GROUP, LLC
  4. Install the (special tool #10224, Adapter, Valve Spring) (2) on the (special tool #MD998772A, Compressor, Valve Spring) (1).
    GC0155811Courtesy of CHRYSLER GROUP, LLC
    NOTE:

    Number 3 intake valve spring compression shown in illustration, all other valves similar.

  5. Install the (special tool #MD998772A, Compressor, Valve Spring) (1) onto the cylinder head.
  6. Support the valve in the combustion chamber to hold the valves in place.
    GC0155734Courtesy of CHRYSLER GROUP, LLC
    NOTE:

    Number 3 cylinder exhaust valve spring compression shown in illustration, all other valves similar.

  7. Using the (special tool #10224, Adapter, Valve Spring) (2) with the (special tool #MD998772A, Compressor, Valve Spring) (1), compress the valve spring (4) only enough  to install the valve retaining locks (3).
    GC0155551Courtesy of CHRYSLER GROUP, LLC
  8. If the valves or valve seats have been refinished, verify that the installed height of the valve springs (4) are within specification. Make sure the measurement is taken from the top of spring seat (6) to the bottom surface of spring retainer (1). Refer to SPECIFICATIONS  .
  9. Install the cylinder head. Refer to INSTALLATION  .