Remove/Install Transmission - AR26.10-P-0020SRE
MODEL 453.091/391/491
MODIFICATION NOTES
| 19.06.2017 | "Special tool support", added. | Operation step 10 | |
| 19.06.2017 | "Basic date", added. | Operation step 20 |
| 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 | |
| Risk of death when touching components on vehicles with high-voltage on-board electrical system | Do not touch damaged or defective components and open lines of the high-voltage on-board electrical system. Persons who wear electronic implants (e.g. cardiac pacemakers) must not carry out any work on high-voltage on-board electrical systems. | AS54.00-Z-0001-01A | |
| Risk of injury to skin and eyes due to handling of transmission oil. Health risk caused by swallowing transmission oil | Wear protective gloves, protective clothing and safety glasses. Do not pour transmission oil into beverage bottles. |
AS00.40-Z-0001-01A | |
| Note on high-voltage on-board electrical system | AH54.00-P-0010-01A | ||
| Evaluation of high-voltage components | AH54.00-P-6500-01SXH | ||
| Remove/install | |||
| 1 | Perform power disable of high-voltage on-board electrical system | AR54.10-P-1160SRE | |
| 2 | Remove electric fan | AR20.40-P-5000SRE | |
| 3 | Remove hose from air duct pipe (1) | ||
| 4 | Expose wiring harnesses at air duct pipe (1) | ||
| 5 | Remove air duct pipe (1) of electric fan | *BA26.00-P-1006-01E | |
| 6 | Seal opening for air duct pipe (1) on transmission (2) with suitable tape | ||
| 7 | Detach wire (3) from transmission (2) and guide to one side | Model 453.091/391/491 with engine 780.997 Model 453.391/491 with engine 780.997 |
AR26.60-P-1000MEV |
| 8 | Disconnect electrical connector (5) at park pawl switch (4) | ||
| 9 | Pull off vent line (10) at transmission (2) | ||
| 10 | Attach engine hoist | Fig 1 | |
| Fig 3 | |||
| 11 | Release nut (6) at left engine mount (7) | *BA22.10-P-1003-01H | |
| 12 | Unfasten the threaded pin of left engine support (14) from left engine mount (7) using a suitable plastic mallet | ||
| 13 | Unscrew nut(6) | ||
| 14 | Detach bracket (8) with power electronics coolant pump (9) from transmission (2) | ||
| 15 | Take power electronics coolant pump (9) out of working area with electrical line and coolant lines still connected, and fix in place | ||
| 16 | Detach bracket (11) of wiring harness from transmission (2) | ||
| 17 | Remove crossmember of rear axle | AR35.15-P-0250SR | |
| 18 | Remove both rear axle shafts | AR35.30-P-0620SRE | |
| 19 | Remove carrier (12) | *BA26.00-P-1007-01E | |
| 20 | Detach ground strap (13) from left engine carrier (14) | *BA00.19-P-1002-02C | |
| 21 | Remove left engine support (14) | *BA22.10-P-1008-01H | |
| 22 | Unscrew nuts (16) | *BA26.00-P-1002-01E | |
| 23 | Remove both stud bolts of nuts (16) and screw in drifts | *BA26.00-P-1002-01E | |
| Fig 2 | |||
| 24 | Remove screws/bolts (15) | *BA26.00-P-1002-01E | |
| 25 | Remove transmission (2) from electric motor (17) | Otherwise the radial shaft sealing ring (18) can get damaged. |
|
| 26 | Remove radial shaft sealing ring (18) from transmission (2) with suitable tool | When reinstalling transmission (2). Do not grease sealing lip of new radial shaft sealing ring (18). |
Fig 2 |
| 27 | Remove park pawl switch (4) | If the transmission (2) is replaced. |
|
| 28 | Install in the reverse order |
GROUND POINTS
| Number | Designation | Model 453.091/391/491 | |
|---|---|---|---|
| BA00.19-P-1002-02C | Bolt, ground line to engine carrier | Nm | 10 |
ENGINE MOUNTS, ENGINE SUPPORTS
| Number | Designation | Engine 780.997 in model 453 | |
|---|---|---|---|
| BA22.10-P-1003-01H | Nut, engine mount to engine support | Nm | 105 |
ENGINE MOUNTS, ENGINE SUPPORTS
| Number | Designation | Engine 780.997 in model 453 | |
|---|---|---|---|
| BA22.10-P-1008-01H | Bolt, engine support to transmission housing | Nm | 62 |
MANUAL TRANSMISSION, COMPLETE
| Number | Designation | Engine 780.997 in model 453 | |
|---|---|---|---|
| BA26.00-P-1002-01E | Bolt/nut, transmission to engine | Nm | 44 |
MANUAL TRANSMISSION, COMPLETE
| Number | Designation | Engine 780.997 in model 453 | |
|---|---|---|---|
| BA26.00-P-1006-01E | Screw/bolt, air duct pipe to transmission housing | Nm | 8 |
MANUAL TRANSMISSION, COMPLETE
| Number | Designation | Engine 780.997 in model 453 | |
|---|---|---|---|
| BA26.00-P-1007-01E | Electric fan carrier at transmission | Nm | 8 |