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    1987 Cadillac Fleetwood FWD 4.1L TBI 8cyl

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    1720 S RIDGEWOOD A
    (386) 427-1210

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    Caravan, Grand Voyager, Town and Country, Voyager, 2000-2004

    Timing Chain Cover, Chain, Sprockets, & Seal

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    Removal & Installation



    3.3L & 3.8L Engines
    1. Before servicing the vehicle, refer to the Precautions Section.
    2.  
    3. Drain the cooling system.
    4.  
    5. Drain the engine oil.
    6.  
    7. Remove the timing chain cover as follows:

      Negative battery cable
       
      Right wheel and splash shield
       
      Oil pan and pick up tube
       
      Drive belt
       
      A/C compressor and set aside with the lines still attached
       
      Crankshaft damper
       
      Lower radiator hose
       
      Camshaft Position (CMP), if necessary
       
      Heater hose from the timing cover or water pump inlet tub if equipped with an engine oil cooler
       
      Right side engine mount
       
      Idler pulley from the bracket
       
      Engine mount bracket
       
      Water pump
       
      Power steering support strut-to-cover bolt
       
      Timing chain cover bolts and the cover
       

    8.  
    9. Rotate the engine so that the timing marks are aligned.
    10.  
    11. Remove or disconnect the following:

      Camshaft sprocket attaching bolt
       
      Timing chain and camshaft sprocket
       
      Crankshaft sprocket with special tools 8539, 5048-6 and 5048-1
       

    12.  

    To install:

    Click image to see an enlarged view

    Fig. Timing mark alignment-3.3L and 3.8L engines

    1. Rotate the engine so the timing arrow is at the 12 o-clock position.
    2.  
    3. Lubricate the chain and sprockets with clean oil.
    4.  
    5. Hold the camshaft sprocket and chain and place the chain around the sprocket aligning the plated link with the dot on the sprocket. Position the timing arrow at the 6 o-clock position.
    6.  
    7. Place the chain around the crankshaft sprocket with the plated link lined up with the dot on the sprocket and install the camshaft sprocket.
    8.  
    9. Use a straight edge to check the timing alignment marks.
    10.  
    11. Align the timing chain colored links with the dots on the timing sprockets.
    12.  
    13. Tighten the camshaft sprocket bolt to 40 ft. lbs. (54 Nm).
    14.  
    15. Rotate the crankshaft 2 revolutions and verify the proper timing chain alignment, if not remove the components and reinstall as described above.
    16.  
    17. Clean the timing cover mating surfaces.
    18.  
    19. Install or the front cover as follows:

      New gasket on the cover making sure the lower edge of the gasket is flush to 0.020 inch (0.5mm) past the lower edge of the cover. Rotate the crankshaft so the oil pump drive flats are in a vertical position.
       
      Position the oil pump inner rotor so the mating flats are in the same position as the crankshaft drive flats or damage may occur
       
      Timing chain cover and bolts. Tighten the M8 bolts to 20 ft. lbs. (27 Nm) and the M10 bolts to 40 ft. lbs. (54 Nm).
       
      Crankshaft front oil seal
       
      Water pump
       
      Power steering support strut-to-cover bolt
       
      Crankshaft damper
       
      Engine mount bracket. Tighten the M10 bolts to 40 ft. lbs. (54 Nm) and the M8 bolts to 21 ft. lbs. (28 Nm).
       
      Idler pulley on the bracket
       
      Right side engine mount
       
      CMP sensor, if removed
       
      Heater hose to the timing cover or water pump inlet tub if equipped with an engine oil cooler
       
      Lower radiator hose
       
      A/C compressor
       
      Drive belt
       
      Oil pick up tube and pan
       
      Right splash shield and wheel
       
      Negative battery cable
       

    20.  
    21. Fill the engine with clean oil.
    22.  
    23. Fill the cooling system.
    24.  
    25. Start the engine, check for leaks and repair if necessary.
    26.  

     
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