Editing S130/Transmissions php (section)

== Throw Out Bearing Differences ==

Throughout the years, there were different throw out bearing sizes used in the S30-S130 cars. The image below will explain the differences.

![Throwout Bearings](images/Transmissions/throwout-bearings.jpg)

=== Automatic Transmissions ===

There are two Automatic Transmissions that were offered in the S130. They were the 3-speed '''3N71B''' and '''L3N71B'''. Both are fully automatic units consisting of a 3-element hydraulic torque converter, two planetary gear sets, two multiple-disk clutches, a multiple-disk brake, a band brake, and a one-way sprag clutch.

Other than the number of clutch plates, the transmissions are the same. The chart below explains the differences.

{| class="wikitable"
! Category
! L28E
! L28ET
|-
| Model Code Number
| X6703
| X2770
|-
| Torque Converter Stamp
| GH
| A
|-
! colspan="3" style="text-align:left" | High-Reverse Clutch (Front)
|-
| Number Of Drive Plates
| 3
| 4
|-
| Number Of Driven Plates
| 5
| 5
|-
| Clearance mm (in)
| 1.6 - 2.0 (0.063 - 0.079)
| 1.6 - 2.0 (0.063 - 0.079)
|-
| Retaining Plate Thickness
| 5.0 - 6.2 mm (0.197 - 0.244)
| 31567-X2900 to 31567-X2906
|-
! colspan="3" style="text-align:left" | Forward Clutch (Rear)
|-
| Number Of Drive Plates
| 6
| 6
|-
| Number Of Driven Plates
| 6
| 6
|-
| Clearance mm (in)
| 0.8 - 1.6 (0.031 - 0.063)
| 0.8 - 1.6 (0.031 - 0.063)
|-
| Retaining Plate Thickness
| 4.80 mm (0.1980 in)
| 4.80 mm (0.1980 in)
|-
! colspan="3" style="text-align:left" | Low and Reverse Brake
|-
| Number Of Drive Plates
| 5
| 7
|-
| Number Of Driven Plates
| 5
| 7
|-
| Clearance mm (in)
| 0.08 - 1.25 (0.0315 - 0.063)
| 0.08 - 1.25 (0.0315 - 0.063)
|-
| Retaining Plate Thickness
| 7.8 - 8.8 mm (0.307 - 0.346)
| 31667-X0500 to 31667-X0505
|-
! colspan="3" style="text-align:left" | Brake Band
|-
| Big Diameter
| 64 (2.52)
| 72 (2.83)
|-
| Small Diameter
| 40 (1.57)
| 44 (1.73)
|-
! colspan="3" style="text-align:left" | Control Valve Assembly
|-
| Strainer Stamp
| MEM
| TRBK
|-
! colspan="3" style="text-align:left" | Governor Assembly
|-
| Governor Mark
| M33
| M33
|-
! colspan="3" style="text-align:left" | Stall Revolution
|-
| RPM
| 2000 - 2300
| 2400 - 2700
|}

Changing of the gear ratios is fully automatic in relation to car speed and engine torque input. Below you will find Identification information of the automatic unit.

https://z31library.com/xenonzcar_archive/s130/images/Automatic%20Info/AT-Model-Plate.png

https://z31library.com/xenonzcar_archive/s130/images/Automatic%20Info/Tag.png

https://z31library.com/xenonzcar_archive/s130/images/Transmissions/autoplate.jpg

=== Sources Used ===

* [https://z31library.com/xenonzcar_archive/s130/s130fsm.php 1979-1983 280ZX Nissan Factory Service Manuals]

[[Category:Imported from Xenonzcar]]