ar2610b0020ea

Remove/install transmission

Type ar · topic 26.10 · version 0100 · 2019-12-05

Applies to: Transmission 710.274 in model 688.272

Where it sits

Function group 2 Chassis › 26 Manual transmission › 26.10 Complete transmission — Series 688 (models 272)

EinPAS 17 Drivetrain/axle › 17.20 Transmission › 17.20.80 Transmission, complete — Series 688 (models 272)

Also applies to engines/gearboxes: 710 274

AR26.10-B-0020EA

Remove/install transmission

20.11.2019

Transmission

710.274 in model 688.272

Remove/install transmission

1

Protective boot for the shitting lever

2

Bolt that fasten the gearbox to the engine

3

Mounting bracket for electrical wirings

4,5,8

Electric connectors

6

Bolt on output flange

7

Bolts of the transmission rear support

B26.00-A015-11

Remove/install

Danger

Risk of death caused by vehicle slipping or toppling off of the lifting platform.

Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by the vehicle manufacturer.

AS00.00-Z-0010-01A

1

Disconnect ground cable or turn off the battery main switch

2

Apply the parking brake

3

Puts stick shift on neutral position

4

Open the accessing compartment to the transmission

5

Loosen the handle and remove the protective boot (1) of the transmission shifting lever

6

Drain gearbox oil

AP26.00-B-2601I

.Oil drain plug

*BA26.40-B-1005-01H

7

Remove the seal and detach the electrical connectors (4, 5, 8)

8

Remove the brackets on transmission (3)

9

Remove the clutch booster

10

Loosen the bolts on the output flange (6) and remove the propeller shaft

Mark the position of the output flange in relation to the propeller shaft. In that case, mark the position on the secondary shaft notch. If this procedure is not observed and it is assembled out of its original position, the transmission shaft will be unbalanced, causing serious vibration problems on the vehicle.

11

Loosen the bolts of the transmission rear support (7)

Should it be necessary, remove the entire supporting assembly of the transmission rear part, to do so, remove the mounting bolts and nuts of the rear support to the cross member.

12

Loosen the mounting bolts of the transmission to the engine (2)

13

Support the gearbox and remove it

Use a proper lifting equipment.

Clean

14

Clean well all components

Dry clean components linked to the gearbox, do not use chemical products.

Check

15

Verify the gearbox components condition

Check all components for wear and damages and replace if necessary

16

Fit the clutch plate installed on engine flywheel in the transmission

Lubricate the primary shaft grooving with long last grease before installing gearbox. Utilize an appropriate device.

Install

17

Tighten screws (2)

The gearbox will have to be aligned and centered to facilitate the fitting of the input shaft in the clutch disc.

.Bolts

*BA26.40-B-1001-01H

18

Tighten the bolts of the transmission rear supporting (7)

19

Install the transmission shaft

20

Fit the electrical connectors (4, 5, 8)

21

Install the electrical wiring mounting brackets (3) to the transmission

22

Fill gearbox with oil

.Filler plug

*BA26.40-B-1004-01H

.Oil volume

*BF26.10-B-1001-01B

23

Install the protective boot of the transmission shifting lever (1)

Perform the test of synchronization of the gears.

24

Close the engine compartment

Housing

Number

Designation

Gearboxes 710.264/265/266/267/270/271/272/273/274

BA26.40-B-1001-01H

Bolts

Nm

19...25

Housing

Number

Designation

Gearboxes 710.264/265/266/267/270/271/272/273/274

BA26.40-B-1004-01H

Filler plug

Nm

14...20

Housing

Number

Designation

Gearboxes 710.264/265/266/267/270/271/272/273/274

BA26.40-B-1005-01H

Oil drain plug

Nm

14...20

Complete gearbox

Number

Designation

Gearbox 710.27 (except 710.271 )

BF26.10-B-1001-01B

Oil volume

Approximate level

Litros

4,7

Oil class

Consultar documento AH00.40-B-0001-01ETA no site Mercedes-Benz / Guia de Lubrificantes

Referenced documents