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Home >> Chrysler >> 2009 >> 300 Signature Series >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (2.7L Engine (Service Information)) >> Cylinder Head >> SPRING(S), Valve >> Removal >> In Vehicle

In Vehicle

WARNING: This page is about a different variant/trim than selected.
Fig 1: Locating Battery
GC0081581Courtesy of CHRYSLER LLC
  1. Release fuel pressure before attempting any repairs  . Refer to Fuel System/Fuel Delivery - Standard Procedure .
  2. Disconnect negative battery (1) cable located in trunk.
    Fig 2: AIR CLEANER HOUSING
    GC0081582Courtesy of CHRYSLER LLC
  3. Remove air cleaner housing (3) and inlet hose. See Engine/Air Intake System/BODY, Air Cleaner - Removal .
    Fig 3: Locating Purge Solenoid
    GC0081590Courtesy of CHRYSLER LLC
  4. Remove upper intake manifold (1). See Engine/Manifolds/MANIFOLD, Intake - Removal .
  5. Remove cylinder head covers. See Engine/Cylinder Head/COVER(S), Cylinder Head - Removal .
  6. Remove crankshaft vibration damper. See Engine/Engine Block/DAMPER, Vibration - Removal .
  7. Remove timing chain cover. See Engine/Valve Timing/COVER(S), Engine Timing - Removal .
  8. Remove timing chain. See Engine/Valve Timing/CHAIN and SPROCKETS, Timing - Removal .
  9. Remove camshafts and rocker arms. See Engine/Cylinder Head/CAMSHAFT, Engine - Removal .
  10. With air hose attached to spark plug adapter installed in the cylinder being serviced, apply 620.5-689 kPa (90-100 psi) air pressure. This is to hold valves in place while servicing components.
  11. Using Special Tool MD 998772A with adapter 6779, compress valve spring and remove valve locks, retainer, and valve spring.
  12. Remove valve stem seal. See Engine/Cylinder Head/SEAL(S), Valve Guide - Removal .
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