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Miata & 929

WARNING: This page is about a different car, the 1992 Mazda Navajo. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect negative battery cable. On Miata, remove upper panel, selector sleeve and indicator panel. On 929, remove center console. On all models, remove boot plate. Place gearshift lever in "P" position. Loosen lock nut on side of gearshift lever. See Fig 1 . Move adjustment lever forward to set transmission in "P" position.
  2. Adjust lever so clearance between guide plate and guide pin with lever in position "P" is as specified. See Fig 2 . See GEARSHIFT LEVER ADJUSTMENT SPECIFICATIONS (MIATA & 929)  table. Tighten rear lock nut to 14-21 ft. lbs. (19-28 N.m).
  3. Place the gearshift lever in "N" and "D" positions to ensure all clearances are correct. See Fig 2 . Also, refer to the GEARSHIFT LEVER ADJUSTMENT SPECIFICATIONS (MIATA & 929)  table. Adjust lever if necessary. Install boot plate, center console, indicator panel, selector sleeve, selector knob and upper panel. Connect negative battery cable.
GEARSHIFT LEVER ADJUSTMENT SPECIFICATIONS (MIATA & 929)

Application (1) In. (mm)
Gearshift In Position "P"
Clearance "A" .035-.039 (.89-.99)
Clearance "B" .020-.024 (.51-.61)
Gearshift In Position "N" Or "D"
Clearance "C" .024-.028 (.61-.71)
Clearance "D"
Miata .059-.063 (1.50-1.60)
929 .024-.028 (.61-.71)
- Clearance between guide plate and guide pin. See Fig 2 .
- On 929, with push rod slightly depressed.
Fig 1: Identifying Gearshift Lever Components (Miata & 929)
G92J01650Courtesy of MAZDA MOTORS CORP.
Fig 2: Checking Gearshift Lever Adjustment Clearances (Miata & 929)
G92B01651Courtesy of MAZDA MOTORS CORP.