Contents Wiring diagrams Section: Automatic Trans All sections

Overhaul - SB4A-EL: Specifications Mazda MX-5 NB

Automatic Trans 1 illustration ~124 words

TORQUE CONVERTER

Note. Torque converter is a sealed unit and must be serviced as a complete assembly. Perform the following tests to check torque converter condition. Torque converter and transmission oil cooler must be thoroughly cleaned and flushed if transmission fluid is contaminated.

One-Way Clutch Test

  1. Install turner and stopper of one-way clutch tester in torque converter. (Scheme 31) Turner fits in inner race of one-way clutch. Stopper fits in notch of converter hub and outer race of one-way clutch.
  2. Clutch should lock when rotated counterclockwise, and turn freely when rotated clockwise. If necessary, clean torque converter and retest clutch. Replace torque converter if clutch fails test.

Scheme 31

Scheme 31

TRANSMISSION SPECIFICATIONS

ApplicationIn. (mm)
Converter Sleeve Runout (Maximum).0118 (.30)
Drive Plate Runout (Maximum).008 (.20)
Piston Stroke
Forward Clutch.055-.062 (1.40-1.60)
OD Direct Clutch.069-.102 (1.77-2.58)
No. 1 Brake.031-.052 (.78-1.32)
No. 2 Brake.040-.065 (1.02-1.65)
Direct Clutch.042-.065 (1.06-1.64)
Low/Reverse Brake Pack Clearance.024-.076 (.61-1.93)
OD Brake Snap Ring-To-Flange Clearance.022-.064 (.56-1.62)
Output Shaft End Play.012-.035 (.30-.89)
Planetary Pinion Gear Clearance.008-.020 (.20-.51)
Torque Converter Depth.88 (22.7)

TRANSMISSION SPECIFICATIONS

ApplicationStandard - In. (mm)Maximum - In. (mm)
Gear Side Clearance.0028-.0059 (.07-.15).0118 (.30)
Gear Tip Clearance.0043-.0055 (.11-.14).0118 (.30)
Gear-To-Housing.0008-.0019 (.02-.05).0039 (.10)

OIL PUMP SPECIFICATIONS

TORQUE SPECIFICATIONS

ApplicationFt. Lbs. (N.m)
Center Support-To-Case Bolt19 (26)
Cooler Union Nut26 (35)
Extension Housing-To-Case Bolt26 (35)
Oil Pump-To-Case Bolt15 (21)
Transmission Case-To-Converter Housing Bolt
10-mm25 (34)
12-mm42 (57)
INCH Lbs. (N.m)
Control Shaft Lever Bolt115 (13)
Lock Pawl Bracket Bolt66 (7.5)
Oil Pan Bolt40 (4.5)
Oil Pump Housing Bolt80 (9)
Oil Strainer Bolt49 (5.5)
Transmission Range Switch
Shift Shaft Set Nut44 (5)
Shift Switch Lock Bolt44 (5)
Throttle Cam Bolt71 (8)
Upper Valve Body-To-Lower Valve Body Bolt49 (5.5)
Valve Assembly-To-Case Bolt89 (10)

TORQUE SPECIFICATIONS