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HOMESERVICE MANUALSACURA2008TSX STANDARDREPAIR AND DIAGNOSISENGINE MECHANICALMECHANICALENGINE BLOCKCRANKSHAFT AND PISTON REMOVAL
2008 Acura TSX Standard

Crankshaft and Piston Removal

2008 Acura TSX StandardSECTION Crankshaft and Piston Removal
  1. Remove the engine/transmission (see ENGINE REMOVAL ).
  2. Remove the transmission:
  3. M/T model: Remove the pressure plate, clutch disc (see PRESSURE PLATE AND CLUTCH DISC REMOVAL ), and flywheel (see FLYWHEEL REPLACEMENT ).
  4. A/T model: Remove the drive plate (see DRIVE PLATE REMOVAL AND INSTALLATION ).
  5. Remove the oil pan (see OIL PAN REMOVAL  ).
  6. Remove the oil pump (see OIL PUMP REMOVAL ).
  7. Remove the cylinder head (see CYLINDER HEAD REMOVAL ).
  8. Remove the baffle plates.
    Fig 1: Identifying Baffle Plates
    G05490190Courtesy of AMERICAN HONDA MOTOR CO., INC.
  9. Remove the 8 mm bolts in sequence.
    Fig 2: Identifying Cylinder Head Bolts Removing Sequence
    G05490191Courtesy of AMERICAN HONDA MOTOR CO., INC.
  10. Remove the bearing cap bolts. To prevent warpage, loosen the bolts in sequence 1/3 turn at a time; repeat the sequence until all bolts are loosened.
    Fig 3: Identifying Bearing Cap Bolts Removing Sequence
    G05490192Courtesy of AMERICAN HONDA MOTOR CO., INC.
  11. Remove the lower block and bearings. Keep all bearings in order.
    Fig 4: Identifying Lower Block And Bearings
    G05490193Courtesy of AMERICAN HONDA MOTOR CO., INC.
  12. Remove the connecting rod caps/bearing halfs. Keep all connecting rod caps/bearing halfs in order.
  13. Lift the crankshaft out of the engine, being careful not to damage the journals.
    Fig 5: Lifting Crankshaft Out Of Engine
    G05490194Courtesy of AMERICAN HONDA MOTOR CO., INC.
  14. Remove the upper bearing halves from the connecting rods, and set them aside with their respective caps.
  15. If you can feel a ridge of metal or hard carbon around the top of each cylinder, remove it with a ridge reamer (A). Follow the reamer manufacturer's instructions. If the ridge is not removed, it may damage the pistons as they are pushed out.
    Fig 6: Removing Hard Carbon Around Top Of Cylinder
    G05490195Courtesy of AMERICAN HONDA MOTOR CO., INC.
  16. Use the wooden handle of a hammer (A) to drive out the pistons (B).
    Fig 7: Removing Pistons
    G05490196Courtesy of AMERICAN HONDA MOTOR CO., INC.
  17. Mark each piston/connecting rod assembly with its cylinder number to make sure they are reused in the original order.
    NOTE: The existing number on the connecting rod does not indicate its position in the engine, it indicates the rod bore size.
  18. Reinstall the connecting rod bearings and caps after removing each piston/connecting rod assembly.
  19. Reinstall the lower block and bearings on the engine in the proper order.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.