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Home >> Volkswagen >> 2021 >> Jetta R-Line, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Final Drive, Differential (02S)) >> 39 Final Drive, Differential >> Differential >> Differential, Disassembling And Assembling >> Installing
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Differential, Disassembling And Assembling: Installing

WARNING: This page is about a different variant/trim than selected.

-- Drive into the differential housing until it stops.

Adapter Sleeve without Surrounding Groove (Long Adapter Sleeve), Removing: Press out the Differential Bevel Gear Axle

Fig 1: Identifying Spring Pin Without Surrounding Groove (Long Spring Pin), Removal: Press Out Differential Bevel Gear Axle
GWWN39-1035Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Spring pin is sheared off when it is removed.

-- Drive remaining part of roller pin out of differential housing.

Spring Pin without Surrounding Groove (Long Adapter Sleeve), Installing

Fig 2: Identifying Spring Pin Without Surrounding Groove (Long Spring Pin), Installation
GWWN39-10050Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Align the hole in the differential bevel gear axle to the hole in the differential housing.

-- Install the new adapter sleeve to dimension -a- = 3.0 mm using a drift -1-.

On Some Transmissions, the Thrust Washer Union Has a Ridge A in the Area of the Hole.

Fig 3: Identifying Thrust Washer Union And Differential Housing
GWWN39-1215Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Also, the differential housing has a groove -B- all the way around it.

-- Insert the thrust washer union with transmission fluid.

-- Install the thrust washer union so that it fits into the groove -B- in the differential housing.

Differential Bevel Gears and Differential Bevel Gear Axle, Installing 

Fig 4: Differential Bevel Gears And Differential Bevel Gear Axle, Installation
GWWN39-0050Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Insert the thrust washer union with transmission fluid.

-- Insert both large differential bevel gears and secure them (to the flange shaft, for example).

-- Insert the small differential bevel gears at an offset of 180° and move them into place.

-- Press the differential bevel gear axle -arrow A- up to the first small differential bevel gear.

-- Insert the threaded pieces -B arrows- into the large differential bevel gears.

Installation position: collar faces the differential bevel gear. 

-- Install the differential bevel gear axle up the end position and secure it with a new adapter sleeve.

Installed Position: Tapered Ring Thrust Washer 1 

Fig 5: Identifying Installation Position Of Thrust Washer For Tapered Ring
GWWN39-1189Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

The collar -arrow- faces the pressure spring -B-.

Some transmissions are not equipped with ridges -A-.

The ridges -A- face the tapered ring -1-.