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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 877 (6.7L Engine (Service Information) 2500 Hd & 3500 Hd) >> Cylinder Head >> Seal(S), Valve Guide >> Removal >> Removal

Seal(S), Valve Guide: Removal: Removal

WARNING: This page is about a different car, the 2015 RAM 3500 HD and 2015 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect and isolate both of the negative battery cables.
  2. Remove the cylinder head cover and the rocker housing. Refer to COVER(S), CYLINDER HEAD, REMOVAL, 6.7L .
  3. Remove injector(s) from the cylinder(s) being serviced. Refer to INJECTOR(S), FUEL, REMOVAL .
    Fig 1: Bolts, Rocker Arms, Pedestals & Cross Heads
    GC0169609Courtesy of CHRYSLER GROUP, LLC
  4. Remove the bolts (1), and the rocker arms (2), and pedestals (3) and crossheads (4) from the cylinder(s) to be serviced. Mark each component so they can be installed in their original position.
    Fig 2: Identifying Bolts & Bell Housing Access Cover
    GC0108440Courtesy of CHRYSLER GROUP, LLC
  5. Remove bolts (1) and the bell housing access cover (2).
    Fig 3: Engine Barring Tool
    GC0108441Courtesy of CHRYSLER GROUP, LLC
    NOTE:

    At this engine position, cylinders No. 1 and No. 6 can be serviced.

  6. Using the barring tool (special tool #7471B, Barring Tool) (1), rotate the engine to position the damper mark in the 12 o'clock position.
  7. Remove the serpentine drive belt. Refer to BELT, SERPENTINE, REMOVAL .
  8. With the damper TDC mark in the 12 o'clock position, add a paint mark anywhere on the gear housing cover next to the crankshaft damper. Place another mark on the vibration damper in alignment with the mark you just made on the cover.
  9. Divide the crankshaft damper into three equally sized segments as follows:
    1. Using a tape measure, measure the circumference of the crankshaft damper and divide the measurement by three (3).
    2. Measure that distance in a counterclockwise direction from the first balancer mark and place another mark on the balancer.
    3. From the second damper mark, again measure in a counterclockwise direction and place a mark on the damper at the same distance you measured when placing the second damper mark. The damper should now be marked in three equally spaced locations and the damper TDC mark should be in the 12 o'clock position.
    Fig 4: Spring Compressor Mounting Base-Part Of Tool 8319-A
    GC0108530Courtesy of CHRYSLER GROUP, LLC
  10. Compress the valve springs at cylinders. No. 1 and No. 6 as follows:
    1. Install the Valve Spring Compressor Tool (special tool #8319, Compressor, Valve Spring) base (1) as shown in illustration.
    Fig 5: Compressing Valve Springs With Tool 8319-A
    GC0108531Courtesy of CHRYSLER GROUP, LLC
  11. Install the (special tool #8319, Compressor, Valve Spring) tool top plate, washer, and nut. Using a suitable wrench tighten the nut (clockwise) to compress the valve springs.
    Fig 6: Valve Assembly Configuration
    GC0108520Courtesy of CHRYSLER GROUP, LLC
  12. Remove the valve spring retainer locks (1).
  13. Rotate the compressor nut counterclockwise to relieve tension on the valve springs. Remove spring compressor.
  14. Remove the valve spring retainer (5) and valve spring (4).
  15. Remove the valve guide seal (3).
  16. Clean the surface area around the valve guide seal.
  17. Install a NEW  valve guide seal (3).
    NOTE:

    Do not rotate the engine until the springs and retainers are reinstalled. 

  18. Install the valve spring (4) and valve retainers (5).
  19. Install Valve Spring Compressor and the compress valve spring (4) and install the valve spring retainer locks (1).
  20. Release the spring tension and remove the Valve Spring Compressor. Verify that the valve spring retainer locks (1) are seated by tapping on the valve stem with a plastic hammer.
  21. Using the (special tool #7471B, Barring Tool) (1), rotate the engine until the next crankshaft damper paint mark aligns with the mark you placed on the cover.
  22. Repeat the same service procedure for servicing cylinders No. 3 and No. 4.
  23. Using the (special tool #7471B, Barring Tool), rotate the engine until the next crankshaft damper paint mark aligns with the mark you placed on the cover.
  24. Repeat the same service procedure for servicing cylinders No. 2 and No. 5.
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