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Vauxhall Workshop Service and Repair Manuals

Automatic Transmission THM 125|Description and Operation > < Transmission Adjustment with Transmission Installed

Transmission Overhaul

 

 

Engine type up to MY '87

13, 13 N

13 S

16 N

16 S,

16 SH

16 D,

16 DA*

18 E

C 18 NE

 

Direct clutch

 

 

 

 

Lining plates                                  qty.

3

4

 

 

Steel plates                                    qty.

3

4

 

 

Backing plate                                qty.

1

Transmission housing valve ball

 

 

Number                                          qty.

6

 

Size

¼" = 6,35 mm

Brake band servo

 

 

 

 

 

 

 

Piston identification

3

1

3

3 21)

3

 

 

Cover identification

without, various Parts Nos.

 

Piston spring

Identification (colour)

 

light blue (lilac)

 

Adjustment-brake band

Check using KM-J-28535 and torque wrench (commercially available) with a torque of 11.2 Nm (1.1 kpm). Adjustment is correct when white stripe is visible in the window of the tool.

 

( )     = as of MY '84

1)       = as of MY '85

*       = as of MY '86

 

 

Transmission Overhaul

 

Engine type

all

Brake band actuation pin

             Identification (grooves)

 

no groove = long, 1 groove = medium, 2 grooves = short

Axial play - input shaft

0,10 - 0,84 mm

 

Snap ring for axial play - input shaft

 

 

Identification / colour

white                      Thickness in mm:             1,83 to 1,93

blue                                                                    2,03 to 2,13

red                                                                     2,23 to 2,33

yellow                                                                2,43 to 2,53

green                                                                 2,63 to 2,73

Axial play between reaction sun gear and input drum

 

-0.13 to +0.33 mm, as shown on dial gauge from nil onwards.

 

Reaction sun gear

selector snap ring

 

Identification / colour

rosa                        Thickness in mm:             2,27 to 2,37

brown                                                                2,44 to 2,54

light blue                                                           2,61 to 2,71

white                                                                  2,78 to 2,88

yellow                                                                2,95 to 3,05

light green                                                        3,21 to 3,22

orange                                                               3,29 to 3,39

no colour                                                          3,46 to 3,56

 

 

Transmission Overhaul

 

Engine type

all

Axial play between clutch

housing for reverse gear and

sprang race assembly

 

0,08 - 1,17 mm

 

Thrust washer

 

 

Identification / digit

1                              Thickness in mm:             1,00 to 1,10

2                                                                          1,42 to 1,52

3                                                                          1,84 to 1,94

4                                                                          2,26 to 2,36

5                                                                          2,68 to 2,78

6                                                                          3,10 to 3,20

Axial play between differential

 and main case

 

0,12 to 0,82 mm

 

Thrust washer

 

 

Identification / digit (colour)

0 (orange)             Thickness in mm:             1,40 to 1,50

1 (white)                                                            1,50 to 1,60

2 (blue)                                                              1,60 to 1,70

3 (pink)                                                              1,70 to 1,80

4 (brown)                                                          1,80 to 1,90

5 (green)                                                           1,90 to 2,00

6 (black)                                                            2,00 to 2,10

7 (purple)                                                          2,10 to 2,20

8 (purple/white)                                               2,20 to 2,30

9 (purple/blue)                                                 2,30 to 2,40

Installation dimension of cap

spring pin for thermo-element

 

Install using Gauge KM-J-29023, height = 5.4 mm

Installation dimension of centre

 spring pin for thermo-element

 

Install using Gauge KM-J-29023, height = 6.0 mm

 

 

Transmission Overhaul

 

Engine type

all

Planetary carrier axial play

Input planetary gear carrier

 

0,24 to 0,69 mm

Reaction planetary gear train

0,24 to 0,69 mm

Axle drive

0,24 to 0,63 mm

 

 

Automatic Transmission THM 125|Description and Operation > < Transmission Adjustment with Transmission Installed