ar2755b0600a

Remove/install oil lines of oil cooling for automatic transmission

Type ar · topic 27.55 · version 0103 · 2016-02-12

Applies to: Automatic transmission 721.936, 721.938, 721.939, 721.940

Where it sits

Function group 2 Chassis › 27 Automatic transmission › 27.55 Transmission-oil cooling

EinPAS 17 Drivetrain/axle › 17.20 Transmission › 17.20.13 Line/hose/valve

Also applies to engines/gearboxes: 721 936, 721 938, 721 939, 721 940

AR27.55-B-0600A

Remove/install oil lines of oil cooling for automatic transmission

12.02.16

Automatic transmission 721.936, 721.938, 721.939, 721.940

Remove/install oil lines of oil cooling for automatic transmission

T27.55-0001-11

1 Connecting piece (oil cooler)

2 Allen screw

3 Oil line

4 Support

5 Hex head bolt

6 Oil radiator

7 Cylindrical head screw

8 Pipe bracket on oil cooler

12 Oil radiator support

13 Oil cooler coolant connection

Remove and install

1

Remove the engine bottom liner underneath the gearbox

2

Remove the gearbox maintenance hatchet

Danger!

Risk of injuries on skin and eyes caused by burns from hot coolant splashes. Risk of poisoning by coolant ingestion

Open the cooling system only when the coolant temperature is below 90 ºC. Slowly unscrew the cap and let the excess pressure out. Do not utilize beverage containers or similar to keep coolant.Use protection gloves, clothes and goggles.

AS20.00-B-0001-01A

4

Draining coolant

To do so unscrew the radiator drain plug and catch the coolant in a suitable container

Installing: Replace the sealing ring.

Install the drain plug. Fill with coolant with the required quantity (according to the quantity removed), take in consideration the specified quantity.

5

Loosen the coolant connections fastening clamps of the oil cooler (13) and remove the coolant flexible pipes

Installing: Check the fastening clamps for condition and, if necessary, replace them. Confirm the correct seating of the coolant flexible pipes.

6

Remove the gearbox oil drain plug and completely drain the oil

Catch the oil in a suitable container.

Installing: Replace the sealing ring.

Fill the gearbox with oil.

Automatic gearbox oil and filter change

AP27.00-B-2702A

7

Remove the hex head bolt (5) and remove the gearbox oil pipe support (4)

Installing: Replace the safety nut.

*BA27.55-B-1005-01A

8

Remove the oil cooler (6) from the respective bracket (12)

Installing: Replace the elastic washers.

*BA27.55-B-1006-01A

9

Remove the bolts (2) from the gearbox (1) joining piece

*BA27.55-B-1004-01A

*BR00.45-B-1001-06A

10

Remove the complete oil pipe (3) with the gearbox (1) joining piece and the oil cooler (6)

Installing: Apply the gasket with petroleum jelly to the joining piece.

*BR00.45-B-1001-06A

11

Remove the oil pipe support from the joining piece and the support of the oil cooler pipe (8)

*BA27.55-B-1007-01A

*BA27.55-B-1008-01A

12

Remove the oil pipe from the connection piece (1) and the oil cooler (6)

Do not utilize a hammer to assemble the oil pipes.

Installing: Replace the sealing rings and smear them lightly with petroleum jelly.

Installation of the oil pipes is done only with the connection piece and the oil cooler disassembled.

13

Install in reverse order

Transmission oil cooling

Número

Denominação

Gearboxes 721.8, 721.930/931/933, 721.934/936/938, 721.939/940

BA27.55-B-1004-01A

Gearbox connecting piece bolt

Nm

23

BA27.55-B-1005-01A

Oil pipe support bolts on gearbox case

Nm

23

BA27.55-B-1006-01A

Bolts, of the oil cooler on oil cooler bracket

Nm

46

BA27.55-B-1007-01A

Oil pipe support bolts on the connecting piece

Nm

23

BA27.55-B-1008-01A

Oil pipe support bolts on oil cooler.

Nm

23

Produtos para reparos

Número

Denominação

Número de pedido

BR00.45-B-1001-06A

Vaseline

-

Referenced documents