RUBBING NOISE COMING FROM FRONT (TIMING BELT COVER) AREA OF ENGINE – 2004-2008 Suzuki Forenza & Reno

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Technical Bulletin

Division: Automotive Section Title: Engine
Category: Technical TSB No. TS 21 03259

 

SUBJECT: RUBBING NOISE COMING FROM FRONT (TIMING BELT COVER) AREA OF ENGINE
MODEL(S): FORENZA, FORENZA WAGON, RENO (RQ420)
YEAR: 2004~2008
CONDITION: The timing belt cam sprocket may be rubbing the inner surface of the timing belt cover.
CAUSE: The timing cover may be slightly warped causing contact with the cam sprockets.
CORRECTION: Please remove the cover and grind 2 mm of material from the timing cover at the  area where the sprocket has contacted and re-install the cover. Use the attached instructions for inspection and repair.

 

 

PART(S) INFORMATION:

Part Number Description Qty. Notes
11390-85Z02 Timing Belt Cover 0 Do Not replace the timing belt cover!

 

WARRANTY CLAIM INFORMATION:

Labor Operation Description Failed Part Number Complaint Code Defect Code Labor Time
AH9999 Timing Belt Cover 11390-85Z02 84 12 1.0 hrs.

 

  1. Make a record of the radio station presets.
  2. Ensure the AT shift lever is in “Park” for AT transmissions, and the parking brake is applied for both 5 speed and AT vehicles.
  3. Disconnect the battery negative cable.
  4. Remove the air cleaner assembly by removing the two bolts and loosening the outlet hose clamp indicated in the illustration. Slip the outlet hose off of the air cleaner then lift the air cleaner out of the engine compartment.

Remove the air cleaner assembly

 

  1. Support the engine with the Engine Assembly Support Fixture DW110-060 and X-28467-560 Engine Assembly Support Channel or an equivalent engine support assembly

Engine Assembly Support Fixture DW110-060

 

  1. Remove the engine mount bracket nut on the frame side first. Then raise the engine until the bracket starts to rise. You will see the stud retract into the bracket.
  2. Remove the remaining two nuts and bolt from the engine side, and remove the bracket.

engine mount bracket

 

  1. Use a 15mm wrench to turn the tensioner bolt clockwise, releasing the tension on the serpentine accessory drive belt. Remove the belt.

serpentine accessory drive belt

 

  1. Referring to the illustration, remove the timing belt cover by releasing the three clips at the top of the cover. Next remove the three bolts indicated. Tip the cover toward the fender to clear the engine mount bracket, and slide the cover up and out.

timing belt cover

 

  1. Looking closely at the area indicated in the illustration, inspect the timing cover for contact marks from the timing belt or cam sprockets. If evidence is found confirming the source of the noise, continue to the next page.

timing belt cover

 

  1. Mark the area with a wax pencil, white out, or anything that will be highly visible.

timing belt cover

 

WARNING

Failure to take the following precautions when performing the following repair procedure can result in injury.

Always wear properly rated safety glasses or face shield, and suitable respiratory protection, when using a high speed grinder to remove material. The removed material will travel at high velocity in all directions.

 

  1. Use a high speed grinder to carefully remove 2mm of material from all the affected areas of the timing cover.
  2. Reverse the removal procedure of the timing cover. Torque specs are highlighted in the table below.
  3. Reconnect the battery, and if necessary reprogram the radio presets.

timing belt cover

timing belt cover

 

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