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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 212 (Engine Mechanical (CUMMINS 5.0L) (2 Of 2)) >> Removal And Installation >> Cylinder Head >> Disassembly and Assembly >> Disassembly

Disassembly and Assembly: Disassembly

WARNING: This page is about a different car, the 2018 Nissan Titan XD. However, it is still accessible from the selected car via links, so may be relevant.
  1. Mark the valves (1) to identify their locations and draw a line (A) on each valve toward the fuel injector bore (B).
    GNSALBIA2333Z-333Courtesy of NISSAN NORTH AMERICA, INC.
    NOTE: The location of the mark on the valve will help identify the location of the valve in the cylinder head and its relation to the valve seat prior to removal.
  2. Compress the valve springs (1) with suitable tool (A).
    GNSALBIA2334Z-334Courtesy of NISSAN NORTH AMERICA, INC.
  3. Remove the valve collets (2) with a suitable magnetic tool.
    NOTE: Use care to not drop the valve collets into the cylinder head.
  4. Remove the suitable tool (A).
    GNSALBIA2335Z-335Courtesy of NISSAN NORTH AMERICA, INC.
    NOTE: Bank 2 shown, Bank 1 similar.
  5. Remove the valve spring retainers (1) and valve springs (2).
    GNSALBIA2336Z-336Courtesy of NISSAN NORTH AMERICA, INC.
  6. Remove the valve guide seals (3).
    CAUTION: Do not reuse valve guide seal.
    NOTE: Bank 2 shown, Bank 1 similar.
  7. Remove the intake valves (1) and exhaust valves (2).
    GNSALBIA2337Z-337Courtesy of NISSAN NORTH AMERICA, INC.
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