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Home >> Jeep >> 2007 >> Wrangler X, Automatic >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 3.8L Engine (Service Information) >> Valve Timing >> Cover-Timing Chain >> Removal >> Timing Chain Cover

Timing Chain Cover

Fig 1: Inlet Air Temperature Sensor 3.8L
GC0064454Courtesy of CHRYSLER LLC
  1. Perform the fuel pressure relief procedure. Refer to STANDARD PROCEDURE .
  2. Disconnect negative cable from battery.
  3. Drain cooling system.
  4. Remove the air cleaner hose (1) and housing assembly.
    Fig 2: Generator Mounting 3.8L
    GC0064455Courtesy of CHRYSLER LLC
  5. Remove the accessory drive belt and belt tensioner.
  6. Remove the generator (3).
  7. Remove the oil level indicator tube.
  8. Drain engine oil.
    Fig 3: 3.8 Oil Pressure Switch
    GC0064414Courtesy of CHRYSLER LLC
  9. Remove oil pan. See REMOVAL .
  10. Remove the oil filter (2).
  11. Disconnect the oil pressure switch (1).
    Fig 4: Mounting Bolts
    GC0064456Courtesy of CHRYSLER LLC
  12. Remove power steering pump fasteners (2) and set pump (1) aside.
  13. Disconnect the lower radiator hose.
  14. Separate the air conditioning compressor from the engine and set aside.
    Fig 5: Camshaft Position Sensor 3.8L
    GC0064457Courtesy of CHRYSLER LLC
  15. Remove crankshaft vibration damper using special tool #8454 and insert #8450. See REMOVAL .
  16. Remove camshaft position sensor (CMP) (4) from timing chain cover. Refer to REMOVAL .
    Fig 6: Timing Cover Bolt Location
    GC0064458Courtesy of CHRYSLER LLC
    1,7 - BOLT - M8 x 1.25 x 80 4 - BOLT - M10 x 1.5 x 85
    2 - BOLT - M10 x 1.5 x 85 5 - BOLT - M8 x 1.25 x 80
    3 - BOLT - M8 x 1.25 x 80 6 - BOLT - M10 x 1.5 x 85
  17. Remove the timing chain cover fasteners (1-7) and remove timing chain cover.
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