Mazda B-Series 1998-06

Driven Disc & Pressure Plate

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CAUTION
The clutch driven disc may contain asbestos, which has been determined to be a cancer causing agent. Never clean clutch surfaces with compressed air! Avoid inhaling any dust from any clutch surface! When cleaning clutch surface, use a commercially available brake cleaning fluid.

Removal & Installation





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Fig. Exploded view of the clutch components for 2.3L, 2.5L, 3.0L & 4.0L engines



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Fig. Pressure plate bolt torque sequence

  1. Disconnect the negative battery cable.
  2.  
  3. Disconnect the clutch hydraulic system master cylinder from the clutch pedal and remove.
  4.  
  5. Raise the vehicle and support it safely.
  6.  
  7. Remove the starter.
  8.  
  9. Disconnect the hydraulic coupling at the transmission.
  10.  

Clean the area around the hose and slave cylinder to prevent fluid contamination.

  1. Remove the transmission from the vehicle.
  2.  
  3. Mark the assembled position of the pressure plate and cover the flywheel, to aid during re-assembly.
  4.  



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Fig. Loosen and remove the clutch and pressure plate bolts evenly, a little at a time ...



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Fig. ... then carefully remove the pressure plate and clutch assembly from the flywheel

  1. Loosen the pressure plate and cover attaching bolts evenly until the pressure plate springs are expanded, and remove the bolts.
  2.  
  3. Remove the pressure plate and cover assembly and the clutch disc from the flywheel. Remove the pilot bearing only for replacement.
  4.  



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Fig. Check the flywheel surface for flatness and, if necessary, remove it from the engine for truing

To install:

  1. Position the clutch disc on the flywheel so that the Clutch Alignment Shaft Tool T74P-7137-K or equivalent can enter the clutch pilot bearing and align the disc.
  2.  



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Fig. Be sure that the flywheel surface is clean before installing the clutch



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Fig. Typical clutch alignment tool, note how the splines match the transmission's input shaft



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Fig. Use the clutch alignment tool to align the clutch disc during assembly.

  1. When reinstalling the original pressure plate and cover assembly, align the assembly and flywheel according to the marks made during the removal operations. Position the pressure plate and cover assembly on the flywheel, align the pressure plate and disc, and install the retaining bolts that fasten the assembly to the flywheel. Tighten the bolts to 15-25 ft. lbs. (21-35 Nm) in the proper sequence. Remove the clutch disc pilot tool.
  2.  



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Fig. Be sure to use a torque wrench to tighten all of the bolts

  1. Install the transmission into the vehicle.
  2.  
  3. Connect the coupling by pushing the male coupling into the slave cylinder.
  4.  
  5. Connect the hydraulic clutch master cylinder pushrod to the clutch pedal.
  6.  



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Fig. Clutch disc, pressure plate and bearing assembly



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Fig. Tighten the bolts gradually in the correct sequence to avoid warping the pressure plate

  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Remove or disconnect the following:
    NOTE
    If the clutch disc and pressure plate are to be reinstalled, bolts must be removed evenly or permanent damage to the diaphragm spring will occur resulting in complete clutch release.


    NOTE
    If the parts are to be reused, index-mark the clutch pressure plate to the flywheel.



    Negative battery cable
     
    Transmission
     



    Bolts, clutch pressure plate and the clutch disc.
     

  4.  

To installation:

  1. Lubricate the transmission input shaft pilot bearing with front axle grease.
  2.  
  3. Using a suitable press, press downward on the pressure plate fingers until the adjusting ring moves freely.
  4.  
  5. Rotate the adjusting ring counterclockwise to compress the tension springs. Hold the adjusting ring in this position.
  6.  
  7. Release the pressure on the fingers. The adjusting ring will stay in the reset position.
  8.  
  9. Position the clutch disc on the flywheel.
    NOTE
    If reusing the clutch pressure plate and flywheel, align the marks made during removal.

  10.  
  11. Align the clutch disc and the clutch pressure plate. Install the bolts and tighten in a star pattern sequence to 24 ft. lbs. (35Nm).

    Install the transmission.
     

  12.  

 
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