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MIKEVIN_BEGGS
MIKEVIN_BEGGS, ASE Certified Technician
Category: Car
Satisfied Customers: 162
Experience:  General Motors, Ford, & Mitsubishi Certified technician.
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STEPS TO REPLACING TIMING BELT ON CHRYSLER NEON 2002

Customer Question

STEPS TO REPLACING TIMING BELT ON CHRYSLER NEON 2002
Submitted: 5 years ago.
Category: Car
Expert:  MIKEVIN_BEGGS replied 5 years ago.

Hello, my name is Kevin.

 

When you are satisfied with my answer, Please click ACCEPT. Positive feedback is always appreciated.

 

This is the procedure for a mechanical tensioner.

 

Removal

----------------------------------------------------------------------------------------------------------------

 

graphic

  1. Remove front timing belt cover (Fig. 168).
  2. Remove spark plugs.

graphic

CAUTION: Align camshaft and crankshaft timing marks before removing the timing belt by rotating the engine CLOCKWISE with the crankshaft

graphic

  • Loosen timing belt tensioner lock nut (Fig. 169).
  • Insert a 6 mm Allen wrench into the hexagon opening located on the top plate of the belt tensioner pulley Rotate the top plate CLOCKWISE until there is enough slack in timing belt to allow for removal (Fig. 169).
  • Remove timing belt. CAUTION: Do not rotate the camshaft once the timing belt has been removed or damage to valve components may occur.
  • -----------------------------------------------------------------------------------------------------------------

    Assemble

     

    graphic

  • Set crankshaft sprocket to TDC by aligning the sprocket with the arrow on the oil pump housing, then back off to 3 notches before TDC (Fig. 178).
  •  

    graphic

    Set camshaft to TDC by aligning mark on sprocket with the arrow on the rear timing belt cover

    graphic

    1. Move crankshaft to 1/2 mark before TDC (Fig. 180) for belt installation.
    2. Install the timing belt. Starting at the crankshaft, go around the water pump sprocket, then around the camshaft sprocket, and finally route the back side of the timing belt around the timing belt tensioner pulley
    3. Move crankshaft sprocket to TDC to take up belt slack.

    graphic

  • Insert a 6 mm Allen wrench into the hexagon opening located on the top plate of the belt tensioner pulley Rotate the top plate COUNTERCLOCKWISE. The tensioner pulley will move against the belt and the tensioner setting notch will eventually start to move clockwise. Watching the movement of the setting notch, continue rotating the top plate counterclockwise until the setting notch is aligned with the spring tang (Fig. 181). Using the allen wrench to prevent the top plate from moving, torque the tensioner lock nut to 30 Nm (22 ft. lbs.). Setting notch and spring tang should remain aligned after lock nut is torqued.
  • Remove allen wrench and torque wrench. NOTE: Repositioning the crankshaft to the TDC position must be done only during the CLOCKWISE rotation movement. If TDC is missed, rotate a further two revolutions until TDC is achieved. DO NOT rotate crankshaft counterclockwise as this will make verification of proper tensioner setting impossible.
  •  

    graphic

    Rotate the crankshaft CLOCKWISE two complete revolutions manually for seating of the belt, until the crankshaft is repositioned at the TDC position. Verify that the camshaft and crankshaft timing marks are in proper position

     

    graphic

    1. Check if the spring tang is within the tolerance window (Fig. 182). If the spring tang is within the tolerance window, the installation process is complete and nothing further is required. If the spring tang is not within the tolerance window, repeat Steps 6 through 8.
    2. Install front timing belt cover.
    3. Install spark plugs.
    4. Perform camshaft and crankshaft timing relearn procedure as follows:
      • Connect the DRB 1116 scan tool to the data link (diagnostic) connector. This connector is located in the passenger compartment; at the lower edge of instrument panel near the steering column.
      • Turn the ignition switch on.
      • Access "Engine" diagnostics.
      • Select "Miscellaneous" option.
      • Select "ReLearn Cam Crank" option and follow directions on DRB III screen

    -----------------------------------------------------------------------------------------------------------------

     

    The following is for a hydraulic tensioner system

     

    Removal

    -----------------------------------------------------------------------------------------------------------------

    graphic

     

  • Remove front timing belt cover (Fig. 165). CAUTION: Align camshaft and crankshaft timing marks before removing the timing belt by rotating the engine with the crankshaft.
  •  

    graphic

    graphic

  • Rotate crankshaft until timing marks are aligned at both the camshaft and crankshaft (Fig. 166).
  • Loosen the timing belt tensioner fasteners
  •  

    CAUTION: DO NOT loosen, tighten, or remove the tensioner pivot bolt (Fig. 167).

    1. Remove the timing belt from sprockets. CAUTION: Do not rotate the camshaft once the timing belt has been removed or damage to valve components may occur.
    2. For timing belt tensioner pulley assembly removal Refer to TIMING BELT TENSIONER & PULLEY - REMOVAL

    -----------------------------------------------------------------------------------------------------------------Installation

     

    graphic

    Set crankshaft sprocket to TDC by aligning the sprocket with the arrow on the oil pump housing, then back off to 3 notches before TDC

     

    graphic

    Set camshaft to TDC by aligning mark on sprocket with the arrow on the rear of timing belt cover

    graphic

  • Move crankshaft to 1/2 mark before TDC (Fig. 175) for belt installation.
  • Install the timing belt. Starting at the crankshaft, go around the water pump sprocket, then around the camshaft sprocket, and finally route the back side of the timing belt around the timing belt tensioner pulley
  • Move crankshaft sprocket to TDC to take up belt slack.
  •  

    graphic

     

  • Re-set the hydraulic tensioner by placing tensioner body in a vise equipped with soft jaws (Fig. 176). Slowly compress the plunger.
  • Compress the plunger until a 1.9 mm (5/64) Allen wrench or pin can be inserted through the body and the plunger (Fig. 176).
  • Remove hydraulic tensioner from vise and install on engine. Do not tighten attaching bolts at this time.
  • Using a torque wrench on the tensioner pulley bolt, apply 28 Nm (250 in. lbs.) of torque against the timing belt.
  •  

    graphic

  • With torque applied to the tensioner pulley/ timing belt, move the tensioner up against the pulley pivot bracket and tighten tensioner bolts to 31 Nm (23 ft. lbs.). (Fig. 177).
  • Pull the tensioner plunger retaining pin. Pretension is correct when the pin can be removed and installed into tensioner housing and plunger.
  •  

    graphic

    graphic

     

    1. Rotate crankshaft 2 revolutions and check the alignment of the timing marks (Fig. 175) and (Fig. 174).
    2. Check belt tension by installing pin into tensioner housing. If pin cannot be re-installed, repeat belt tension procedure.
    3. Install the front timing belt cover.
    4. Lower vehicle and perform camshaft and crankshaft timing relearn procedure as follows:
      • Connect the DRB III scan tool to the data link (diagnostic) connector. This connector is located in the passenger compartment; at the lower edge of instrument panel near the steering column.
      • Turn the ignition switch on.
      • Access "Engine" diagnostics.
      • Select "Miscellaneous" option.
      • Select "ReLearn Cam Crank" option and follow directions on DRB III screen.

    -----------------------------------------------------------------------------------------------------------------

     

    If I can be of further assistance, feel free to type back.

     

    When you're satisfied, click on accept. I don't get paid unless you press the accept key. A bonus and positive feedback are always appreciated, thanks & good luck.

     

     

    Kevin
    Expert:  MIKEVIN_BEGGS replied 5 years ago.

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