S27.10-A003-79
Shown on model 447 with engine 654.9 |
1 | Automatic transmission oil pan | 5 | Socket wrench | 9 | Bayonet coupling | ||
2 | Bracket | 6 | Overflow pipe | 10 | Bolts | ||
3 | Underfloor paneling, left | 7 | Heat shield | 11 | Electrical wiring harness | ||
4 | Quick-release coupling | 8 | Locking clamp | 12 | Bracket |
1 | Automatic transmission oil pan |
13 | Seal |
14 | Overflow pipe |
15 | Guide tube |
S27.10-A004-76
Warning | Risk of injury. Skin or eye injuries may result when handling hot or glowing objects. | Wear protective gloves, protective clothing and safety glasses, if necessary. | |
Caution | Risk of injury caused by scraping or cutting body parts on sharp vehicle parts | Always wear protective gloves when working on or near sharp and non-deburred vehicle parts. | |
Caution | 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. | |
Topical note | General information on repair work on transmission | ||
| Remove | ||
1 | Shift automatic transmission into neutral position. | ||
2 | Remove lower engine compartment paneling. | ||
Ensure that vehicle is level in longitudinal and transverse direction on vehicle lift. | |||
3 | Turn bracket (2) under left underfloor paneling (3) (arrow C). | Transmission 725.0 in model 447 with engine 654.9 | |
4 | Thoroughly clean automatic transmission oil pan (1) and its surroundings. | Assembly cleaner | |
5 | Open quick-release fastener (4) using socket wrench. | Collect escaping automatic transmission fluid in a suitable container to determine the quantity of automatic transmission fluid. Dispose of quick-release fastener (4) properly. | |
Socket wrench | |||
6 | Insert socket wrench (5) into overflow pipe (6) until it engages. | Socket wrench | |
7 | Turn socket wrench (5) to position 4 (arrow B). | Collect remaining automatic transmission fluid in a suitable container to determine the quantity of automatic transmission fluid. | |
Do not remove socket wrench (5) from overflow pipe (6). | |||
Socket wrench | |||
8 | Remove heat shield (7). | ||
9 | Remove bayonet coupling (9) from electrohydraulic controller unit. | ||
Topical note | Information on preventing damage to electronic components due to electrostatic discharge | ||
To do so, release locking clamp (8) (arrow A) and remove bayonet coupling (9). | |||
10 | Remove electrical wiring harness (11) and place to one side with holder (12). | For this purpose, remove screws (10). | |
11 | Turn socket wrench (5) into position 1. | Socket wrench | |
12 | Remove socket wrench (5) from overflow pipe (6). | | |
Socket wrench | |||
13 | Remove screws of automatic transmission oil pan (1) in reverse order of tightening procedure for automatic transmission oil pan (1). | ||
14 | Remove automatic transmission oil pan (1) from automatic transmission and take out downwards. | ||
15 | Remove seal (13) from automatic transmission oil pan (1). | If the automatic transmission oil pan (1) is not replaced. | |
| Check | ||
16 | Check overflow pipe (14) for damage. | If damage is visible, | |
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Replace overflow pipe (14). | |||
17 | Check guide tube (15) for damage. | If damage is visible, | |
| |||
Replace guide tube (15). | |||
| Clean | ||
18 | Clean sealing surface on automatic transmission. | | |
Let assembly cleaner flash off completely. | |||
Assembly cleaner | |||
19 | Clean sealing surface on automatic transmission oil pan (1). | If the automatic transmission oil pan (1) is not replaced. | |
| |||
Let assembly cleaner flash off completely. | |||
Assembly cleaner | |||
| Install | ||
20 | Attach new seal (13) to automatic transmission oil pan (1). | If the automatic transmission oil pan (1) was not replaced. | |
21 | Attach automatic transmission oil pan (1) to automatic transmission. | ||
22 | Screw in and tighten new screws of automatic transmission oil pan (1) in the sequence of the tightening procedure for the automatic transmission oil pan (1). | ||
Topical note | Notes on threaded connections fastened using a tightening angle-based tightening process | ||
Bolt, automatic transmission oil pan to transmission housing | |||
23 | Attach electrical wiring harness (11) with holder (12) to automatic transmission oil pan (1). | To do so, screw in screws (10). | |
24 | Attach bayonet coupling (9) to electrohydraulic controller unit and lock securing clip (8). | ||
Topical note | Information on preventing damage to electronic components due to electrostatic discharge | ||
25 | Install heat shield (7). | ||
Bolt, heat shield to oil pan | |||
26 | Turn bracket (2) into basic position. | Transmission 725.0 in model 447 with engine 654.9 | |
27 | Fill automatic transmission with automatic transmission fluid. | ||
Install bottom engine compartment lining only after the leak test. | |||
| Check | ||
Warning | Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running. | Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts. | |
28 | Perform engine test run and check automatic transmission in area of automatic transmission oil pan (1) for leak tightness. | ||
29 | Install lower engine compartment paneling. |
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Socket wrench
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Socket wrench