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Home >> Mazda >> 2012 >> 6 i Touring >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 15 (Automatic Transaxle (Service, Removal & Installation AY6A-El)) >> Vehicle Speed Sensor (VSS) Removal/Installation

Vehicle Speed Sensor (VSS) Removal/Installation

WARNING: This page is about a different variant/trim than selected.
CAUTION:
  • Water or foreign objects entering the connector can cause a poor connection or corrosion. Be sure not to drop water or foreign objects on the connector when disconnecting it.
  • If foreign materials are stuck to the VSS, disturbance by magnetic flux can cause sensor output to be abnormal and thereby negatively affect control. Make sure that foreign materials such as iron filings are not stuck to the VSS during installation.
  1. Drain the ATF. (See AUTOMATIC TRANSAXLE FLUID (ATF) REPLACEMENT .)
  2. Remove the transaxle. (See AUTOMATIC TRANSAXLE REMOVAL/INSTALLATION .)
  3. Remove the TCM.
    Fig 1: Identifying TCM And Installation Bolts
    G08142930
    CAUTION:
    • Do not touch the terminals.
      Fig 2: Caution - Do Not Touch Terminals
      G08142931
  4. Inspect the condition of the connector pin of the coupler component (foreign material, bent pins, broken pins) and O-ring after the TCM is removed.
    Fig 3: Identifying Connector Pin And O-Ring
    G08142932
  5. Remove the O-ring from the coupler component.
    Fig 4: Identifying O-Ring And Coupler Component
    G08142933
  6. Clean the transaxle. (See AUTOMATIC TRANSAXLE CLEANING .)
  7. Remove the torque converter. (See TORQUE CONVERTER REMOVAL/INSTALLATION .)
  8. Remove the stud bolts.
    Fig 5: Identifying Stud Bolts
    G08142934
  9. Set the SSTs  as shown in the figure.
    Fig 6: Installing SST To Transaxle
    G08142935
    CAUTION:
    • When installing the SST to the transaxle, use bolts (M12x1.25) with a thread length of 90 mm {3.5 in}.
  10. Install the SST  to the position where the transaxle stud bolts were removed.
    Fig 7: Identifying SST Installation Position
    G08142936
  11. Remove the oil pipe component and O-rings.
    Fig 8: Oil Pipe Component, O-Ring And Bolts With Torque Specifications
    G08142937
  12. Refer to the "Automatic Transaxle Disassembly/assembly Precaution" before disassembling/assembling the transaxle. (See AUTOMATIC TRANSAXLE DISASSEMBLY/ASSEMBLY PRECAUTION .)
  13. Remove the control valve body cover.
    Fig 9: Locating Control Valve Body Cover Bolts
    G08142938
  14. Using a plastic hammer, tap the control valve body cover to remove it.
    Fig 10: Tapping Control Valve Body Cover Using Plastic Hammer
    G08142939
    CAUTION:
    • Do not damage the fitting surface of the transaxle case and the control valve body cover.
    • Do not deform the control valve body cover.
    NOTE:
    • Disconnect the solenoid connector according to the following procedure:
      • Insert a precision flathead screwdriver from the backside into the connector as shown in the figure.
    Fig 11: Inserting Flathead Screwdriver From Backside Into Connector
    G08142940
    CAUTION:
    • Do not damage the solenoid valves and connectors with the flathead screwdriver.
    • Pry the flathead screwdriver in the direction of the arrow and disconnect the connector.
      Fig 12: Disconnecting Connector Using Flathead Screwdriver
      G08142941
    CAUTION:
    • When disconnecting connectors, grasp the connectors, not the wiring harnesses. Otherwise, the wiring harnesses may be pulled out of the connector causing poor contact.
  15. Disconnect the solenoid connectors, VSS connector and the input/turbine speed sensor connector.
    Fig 13: Locating Solenoid Connectors, VSS Connector And Input/Turbine Speed Sensor Connector
    G08142942
  16. Disconnect the coupler component from the clamp.
    Fig 14: Identifying Coupler Component Clamp
    G08142943
  17. Remove the lock plate, and pull out the TFT sensor from the control valve body.
    Fig 15: Identifying Lock Plate And TFT Sensor
    G08142944
  18. Remove the VSS connector from the solenoid clamp.
    Fig 16: Identifying VSS Connector And Solenoid Clamp
    G08142945
  19. Remove the suction cover and the gasket.
    Fig 17: Identifying Suction Cover And Gasket With Bolts
    G08142946
  20. Remove the control valve body installation bolts in the order shown in the figure.
    Fig 18: Control Valve Body Installation Bolt Loosening Sequence
    G08142947
  21. Disconnect the manual valve link and remove the control valve body component.
    Fig 19: Identifying Manual Valve Link
    G08142948
    CAUTION:
    • Do not drop the control valve body component.
  22. Fix the coupler component with tape to the transaxle case as shown in the figure.
    Fig 20: Locating Coupler Component And Tape
    G08142949
    NOTE:
    • Be sure to secure the coupler component with tape so that it will not interfere with the control valve body component.
  23. Fix the VSS wiring harness with tape to the transaxle case as shown in the figure.
    Fig 21: Identifying Tape And VSS Wiring Harness
    G08142950
    NOTE:
    • Be sure to secure the VSS with tape so that they will not interfere with the control valve body component.
  24. Remove the converter housing. (See CONVERTER HOUSING REMOVAL/INSTALLATION .)
  25. Remove the oil pump component and oil strainer as a single unit. (See OIL PUMP REMOVAL/INSTALLATION .)
  26. Remove the C3 clutch component, front planetary gear component and input shaft.
    Fig 22: Identifying C3 Clutch Component, Front Planetary Gear Component And Input Shaft
    G08142951
    NOTE:
    • In some cases, the input shaft may be detached with the thrust bearing attached.
  27. Remove the C3 clutch component from the front planetary gear component and input shaft.
    Fig 23: Identifying C3 Clutch Component, Front Planetary Gear Component And Input Shaft
    G08142952
    NOTE:
    • In some cases, the C3 clutch component may be detached with the thrust washer attached.
  28. Remove the brake band anchor bolt.
    Fig 24: Identifying Brake Band Anchor Bolt
    G08142953
  29. Remove the B1 brake band.
    Fig 25: Identifying B1 Brake Band
    G08142954
  30. Remove the thrust bearing, bearing race and the C1 clutch component.
    Fig 26: Identifying Thrust Bearing, Bearing Race And C1 Clutch Component
    G08142955
    NOTE:
    • In some cases, the C1 clutch component may be detached with the thrust bearing attached.
  31. Remove the thrust bearing, bearing race and the sun gear input drum.
    Fig 27: Identifying Thrust Bearing, Bearing Race And Sun Gear Input Drum
    G08142956
  32. Remove the detent spring cover and detent spring.
    Fig 28: Identifying Detent Spring Cover And Detent Spring
    G08142957
  33. Remove the pawl return spring and the parking pawl shaft.
    Fig 29: Identifying Pawl Return Spring And Parking Pawl Shaft
    G08142958
    CAUTION:
    • Be careful not to apply too much force to the pawl return spring.
  34. Remove the torsion spring and the spring guide sleeve.
    Fig 30: Identifying Torsion Spring And Spring Guide Sleeve
    G08142959
    CAUTION:
    • Be careful not to apply too much force to the torsion spring.
  35. Remove the parking pawl and the parking pawl bracket.
    Fig 31: Identifying Parking Pawl And Bracket
    G08142960
  36. Disconnect the parking rod from the manual valve lever.
    Fig 32: Identifying Parking Rod And Manual Valve Lever
    G08142961
  37. Remove the manual valve lever from the transaxle case.
    Fig 33: Transaxle Case Manual Valve Lever
    G08142962
  38. Remove the parking rod from the transaxle case.
    Fig 34: Identifying Parking Rod Of Transaxle Case
    G08142963
  39. Remove the parking pin from the transaxle case.
    Fig 35: Identifying Parking Pin Of Transaxle Case
    G08142964
    NOTE:
    • Inspect the direction of the parking pin.
  40. Remove the counter gear component.
    Fig 36: Identifying Counter Gear Component And Differential Component
    G08142965
    NOTE:
    • For easy removal, tilt the counter gear component slightly.
  41. Remove the differential component.
    Fig 37: Identifying Differential Component
    G08142966
  42. Disconnect the VSS wiring harness from the wiring harness clip.
    Fig 38: Identifying VSS Wiring Harness And Clip
    G08142967
    CAUTION:
    • Do not damage the VSS wiring harness.
    • Do not pull hard on the VSS wiring harness.
  43. Remove the pipe clamp, transaxle case No.1 plate, wiring harness clip and the oil cooler outlet tube.
    Fig 39: Identifying Pipe Clamp, Transaxle Case No.1 Plate, Wiring Harness Clip And Oil Cooler Outlet Tube
    G08142968
    CAUTION:
    • Do not damage the oil cooler outlet tube.
  44. Remove the O-rings from the oil cooler outlet tube.
    Fig 40: Identifying O-Rings And Oil Cooler Outlet Tube
    G08142969
  45. Using a flathead screwdriver and a hammer, pry back the crimp on the lockwashers.
    Fig 41: Prying Back Crimp On Lockwashers
    G08142970
    CAUTION:
    • If the lockwashers crimp is not completely pried back, the tool cannot fit over the bolt properly and the bolt cannot be loosened.
  46. Remove the lockwashers, washers and the counter drive gear.
    Fig 42: Identifying Lockwashers, Washers And Counter Drive Gear With Bolts
    G08142971
    CAUTION:
    • Do not damage the VSS wiring harness.
    • Do not pull hard on the VSS wiring harness.
  47. Remove the VSS and spacer from the counter drive gear.
    Fig 43: Identifying VSS And Spacer And Counter Drive Gear With Bolt
    G08142972
    CAUTION:
    • Do not damage the VSS.
  48. Install the VSS and spacer to the counter drive gear.
    Fig 44: Identifying VSS, Spacer And Counter Drive Gear With Bolt
    G08142973
    CAUTION:
    • Do not damage the VSS.

      Tightening torque 

    • 3.9-6.9 N.m {40-70 kgf.cm, 35-61 in.lbf}
  49. Apply ATF to the spline on the counter drive gear and spline on the ring gear.
  50. Install the counter drive gear to the transaxle case.
    CAUTION:
    • Do not damage the VSS wiring harness.
    • Do not pull hard on the VSS wiring harness.
  51. Install the lockwashers and washers with bolts.
    Fig 45: Identifying Lockwashers, Washers And Counter Drive Gear With Bolts
    G08142974
    NOTE:
    • Verify that the claws of the lockwashers are facing upward.

      Tightening torque 

    • 57-67 N.m {5.9-6.8 kgf.cm, 43-49 ft.lbf}

      Bolt length (measured from below the head) 

    • A: 29 mm {1.1 in}
    • B: 36 mm {1.4 in}
  52. Using a flathead screwdriver and a hammer, pry back the crimp locking the lockwashers.
    Fig 46: Prying Back Crimp Locking Lockwashers
    G08142975
  53. Apply ATF to the new O-rings.
  54. Install the new O-rings to the oil cooler outlet tube.
    Fig 47: Identifying O-Rings And Oil Cooler Outlet Tube
    G08142976
  55. Install the oil cooler outlet tube, pipe clamp, transaxle case No.1 plate and the wiring harness clip to the converter housing.
    Fig 48: Identifying Oil Cooler Outlet Tube, Pipe Clamp, Transaxle Case No.1 Plate And Wiring Harness Clip
    G08142977

    Tightening torque 

    • 8-11 N.m {82-122 kgf.cm, 71-97 in.lbf}
  56. Connect the VSS wiring harness to the wiring harness clip.
    Fig 49: Locating Wiring Harness Clip
    G08142978
    CAUTION:
    • Do not damage the VSS wiring harness.
    • Do not pull hard on the VSS wiring harness.
  57. Apply ATF to the bearing and gear of the differential component.
  58. Install the differential component to the transaxle case.
    Fig 50: Identifying Differential Component
    G08142979
    CAUTION:
    • Do not damage the oil seal (transaxle case side).
  59. Apply ATF to the bearing and gear of the counter gear component.
  60. Install the counter gear component to the transaxle case.
    Fig 51: Identifying Differential Component And Counter Gear Component
    G08142980
    NOTE:
    • If it is difficult to install the counter gear component, remove the differential component and then install the counter gear component. Install the differential component again.
    • For easy installation, tilt the counter gear component slightly.
  61. Install the parking pin to the transaxle case.
    Fig 52: Identifying Parking Pin Of Transaxle Case
    G08142981
    CAUTION:
    • Verify to install the parking pin as shown in the figure.
  62. Insert the parking rod to the transaxle case.
    Fig 53: Identifying Parking Rod Of Transaxle Case
    G08142982
  63. Install the manual valve lever to the transaxle case.
    Fig 54: Transaxle Case Manual Valve Lever
    G08142983
  64. Connect the parking rod to the manual valve lever.
    Fig 55: Identifying Parking Rod And Manual Valve Lever
    G08142984
  65. Install the parking pawl, parking pawl bracket and the parking rod to the transaxle case.
    Fig 56: Identifying Parking Pawl, Bracket And Parking Rod With Bolt
    G08142985

    Tightening torque 

    • 8-11 N.m {82 -112 kgf.cm, 71-97 in.lbf}
  66. Install the spring guide sleeve and the torsion spring.
    Fig 57: Identifying Spring Guide Sleeve, Torsion Spring, Parking Pawl And Bracket
    G08142986
    CAUTION:
    • Do not apply too much force to the torsion spring.
    NOTE:
    • Install the torsion spring to the position of the parking pawl and parking pawl bracket shown in the figure together with the spring guide sleeve and torsion spring installed.

      Tightening torque 

    • 8-11 N.m {82 -112 kgf.cm, 71-97 in.lbf}
  67. Install the pawl return spring to the parking pawl shaft.
  68. Install the pawl return spring and the parking pawl shaft to the transaxle case.
    Fig 58: Identifying Pawl Return Spring And Parking Pawl Shaft
    G08142987
    CAUTION:
    • Do not apply too much force to the pawl return spring.
    NOTE:
    • When installing the pawl return spring to transaxle case, install the parking pawl side of the spring, then install the parking pawl shaft.
  69. Install the detent spring cover and detent spring to the transaxle case.
    Fig 59: Identifying Detent Spring And Cover
    G08142988
    CAUTION:
    • Do not apply too much force to the detent spring.

      Tightening torque 

    • 8-11 N.m {82 -112 kgf.cm, 71-97 in.lbf}
    NOTE:
    • When installing, ensure that the center of the detent spring's roller fits the center of the manual valve lever.
      Fig 60: Identifying Manual Valve Lever And Detent Springs Lever
      G08142989
  70. Install the sun gear input drum to the transaxle case.
    Fig 61: Identifying Sun Gear Input Drum
    G08142990
  71. Apply ATF to the bearing race and the thrust bearing.
  72. Install the bearing race and thrust bearing to the transaxle case as shown in the figure.
    Fig 62: Identifying Bearing Race And Thrust Bearing Installation Position
    G08142991
  73. Install the C1 clutch component to the transaxle case.
    Fig 63: Identifying C1 Clutch Component Installation Position
    G08142992
  74. Apply ATF to the bearing race and the thrust bearing.
  75. Install the bearing race and thrust bearing to the transaxle case as shown in the figure.
    Fig 64: Identifying Bearing Race And Thrust Bearing Installation Position
    G08142993
  76. Install the front planetary gear component and input shaft to the transaxle case.
    Fig 65: Identifying C1 Clutch Component, Front Planetary Gear Component And Input Shaft
    G08142994
    CAUTION:
    • If the input shaft is not hold during installation, the thrust washer might be come off.
    NOTE:
    • Align the spline of the C1 clutch component before installing the front planetary gear component and input shaft.
    • Hold the C1 clutch component and install the front planetary gear component while holding the input shaft.
  77. Apply ATF to the bushing of the C3 clutch component.
  78. Install the C3 clutch component to the transaxle case.
    Fig 66: Identifying C3 Clutch Component And Sun Gear Input Drum
    G08142995
    NOTE:
    • Before installing the C3 clutch component, align the spline of the C3 clutch component and the spline of the sun gear input drum.
    NOTE:
    • Install the C3 clutch component so that it engages with the sun gear input drum as shown in the figure.
      Fig 67: Identifying C3 Clutch Component And Sun Gear Input Drum
      G08142996
  79. Install the B1 brake band to the transaxle case.
    Fig 68: Identifying B1 Brake Band
    G08142997
  80. Install the brake band anchor bolt to the transaxle case.
    Fig 69: Identifying Brake Band Anchor Bolt
    G08142998

    Tightening torque 

    • 134-199 N.m {14-20 kgf.m, 99-146 ft.lbf}
  81. Install the oil pump component and oil strainer as a single unit. (See OIL PUMP REMOVAL/INSTALLATION .)
  82. Install the converter housing. (See CONVERTER HOUSING REMOVAL/INSTALLATION .)
  83. Connect the manual valve link and install the control valve body component.
    Fig 70: Identifying Manual Valve Link And Wiring Harness Clamp
    G08142999
    CAUTION:
    • When installing the control valve body component, secure the coupler component to the wiring harness clamp.
    • Do not pinch the coupler component between the transaxle case and the control valve body component.
  84. Temporarily install the control valve body component with the bolts.
    Fig 71: Locating Control Valve Body Component Bolts
    G08143000
    NOTE:
    • Aligning the bolt holes, temporarily tighten the bolt by hand.

      Bolt length (measured from below the head) 

    • A: 21 mm {0.83 in}
    • B: 31 mm {1.2 in}
  85. Temporarily install the suction cover and a new gasket with the bolts.
    Fig 72: Identifying Suction Cover And Gasket With Bolts
    G08143001
    NOTE:
    • Aligning the bolt holes, temporarily tighten the bolt by hand.
  86. Tighten the bolts in the order shown in the figure.
    Fig 73: Locating Control Valve Body Component Bolts
    G08143002

    Tightening torque 

    • 8-12 N.m {82-122 kgf.cm, 71-106 in.lbf}
  87. Install the connector of the VSS to the solenoid clamp.
    Fig 74: Identifying VSS Connector And Solenoid Clamp
    G08143003
  88. Install the TFT sensor with the lock plate and a bolt to the control valve body component as shown in the figure.
    Fig 75: Identifying TFT Sensor And Lock Plate
    G08143004

    Tightening torque 

    • 6.0-8.0 N.m {62-81 kgf.cm, 54-70 in.lbf}
  89. Connect the solenoid connectors, VSS connector and the input/turbine speed sensor connector.
    Fig 76: Locating Solenoid Connectors, VSS Connector And Input/Turbine Speed Sensor Connector
    G08143005
  90. Connect the coupler component to the clamps.
    Fig 77: Identifying Coupler Component Clamps
    G08143006
  91. Clean sealant and oil off the contact surface of the transaxle case with the control valve body cover and the bolt holes.
    Fig 78: Identifying Sealant And Oil Application Area On Contact Surface Of Transaxle Case
    G08143007
    NOTE:
    • Completely remove sealant and oil with white gasoline or similar.
  92. Clean oil off the contact surface of the new control valve body cover with the transaxle case.
  93. Apply sealant to the new control valve body cover as shown in the figure.
    Fig 79: Identifying Sealant Application Area On Control Valve Body Cover
    G08143008
  94. Install the new control valve body cover with new seal bolts before the applied sealant starts to harden.
    Fig 80: Locating Control Valve Body Cover With Seal Bolts
    G08143009
    CAUTION:
    • Be careful that the coupler component will not become caught between the control valve body cover and transaxle case.

      Tightening torque 

    • 10-15 N.m {102-152 kgf.cm, 89-132 in.lbf}
  95. Install the oil pipe component and O-rings.
    Fig 81: Oil Pipe Component, O-Ring And Bolts With Torque Specifications
    G08143010
  96. Install a new O-ring to the coupler component.
    Fig 82: Identifying O-Ring And Coupler Component
    G08143011
    CAUTION:
    • Do not apply ATF to the O-ring.
  97. Align the transaxle case and coupler component connector.
    Fig 83: Aligning Transaxle Case And Coupler Component Connector
    G08143012
  98. Be sure to match the position of the TCM marking.
    Fig 84: Identifying TCM Marking Match Position
    G08143013
    CAUTION:
    • Do not turn more than 60° from the marking.
  99. Install the TCM.
  100. Verify the correct positioning of the TCM and coupler component.
    Fig 85: Locating TCM And Coupler Component
    G08143014
  101. Tighten the TCM installation bolts.
    Fig 86: Identifying TCM And Installation Bolts
    G08143015

    Tightening torque 

    • 20-29 N.m {2.1-2.9 kgf.m, 15-21 ft.lbf}
  102. Remove the SSTs  .
    Fig 87: Removing SSTs
    G08143016
  103. Install the stud bolts using double nutted.
    Fig 88: Stud Bolts And Double Nut With Torque Specifications
    G08143017
    CAUTION:
    • Do not repair the threads using a tap or other tools.
    • Do not damage the transaxle case.
    • Do not overtighten the stud bolts. (The stud bolts should remain protruded from the end of the transaxle case more than 47 mm {1.9 in}.)
    • If any of the stud bolts is overtightened, the transaxle case may be damaged (holes in the case may result).
    • If the transaxle case is damaged, the transaxle must be replaced.
  104. Remove the double nutted from the stud bolts.
  105. Install the torque converter. (See TORQUE CONVERTER REMOVAL/INSTALLATION .)
  106. Install the transaxle. (See AUTOMATIC TRANSAXLE REMOVAL/INSTALLATION .)
  107. Add ATF. (See AUTOMATIC TRANSAXLE FLUID (ATF) LEVEL ADJUSTMENT .)
  108. Perform the "Neutral Position Learning". (See TCM NEUTRAL POSITION LEARNING .)
  109. Adjust the ATF level. (See AUTOMATIC TRANSAXLE FLUID (ATF) LEVEL ADJUSTMENT .)
  110. Perform the "Mechanical System Test". (See MECHANICAL SYSTEM TEST .)
  111. Perform the "Road Test". (See ROAD TEST .)
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