Mazda MX-5 NA silhouetteMX-5 NA

Transmission Case Parts (continued) / Assembly note

J-43prose procedure
Parts DiagramFig. page-0374_fig1
Parts diagram
#Part NameNotes
1Oil sealAssembly Note, page J-43
2Snap ring
3Steel ball
4Speedometer drive gear
5Snap ring
6Transmission case
7Extension housingAssembly Note, page J-43
8Main drive gear bearingAssembly Note, page J-43
9Snap ring
10Countershaft front bearingAssembly Note, page J-43
11Snap ring
12Adjustment shimAssembly Note, page J-44
13Gasket
14Front cover
15Speedometer driven gear
16Neutral switch
17Back-up light switch
18Boot
19Release forkAssembly Note, page J-44
20Release bearingAssembly Note, page J-44

Assembly note

Oil seal

  1. 1
    Apply transmission oil to outer periphery.
  2. 2
    Install a new oil seal with the SST.
    SST (part 49 B025 0A0) being used to install a new oil seal. Shows the cylindrical seal installer being driven into the seal area.
    05U0JX-058

Extension housing

  1. 1
    Apply sealant to the contact surfaces of the bearing housing and transmission case.
  2. 2
    Align the inner shift lever and shift rod end groove, and install the extension housing.
    Extension housing being installed onto the transmission case with hands shown aligning the inner shift lever and shift rod end groove.
    05U0JX-059
  3. 3
    Apply sealant to the bolt threads, and install the bolts.
Tightening torque (extension housing bolts)
157 - 226N·m

Main drive gear bearing

Drive on the main drive gear bearing with the SST, and secure it with a new snap ring.

Countershaft front bearing

Drive on the countershaft front bearing with the SST, and secure it with a new snap ring.

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