20.7.1. Removal


Prevention

Removal of a box is complicated by the fact that access to bolts of fastening of the transmission to the engine is limited.


The drain stopper of the hydrotransformer seen through a window in a transmission case

Arrangement of bolts of fastening of the hydrotransformer to a drive plate

Removal of the thermofilter from the car bottom

Unscrewing of an arm of fastening of the exhaust system from the car bottom

Arrangement of a tightening nut of the central bearing of the driveshaft

Arrangement of a back support of the power unit

Detachment of electric wires from the traction relay

Unscrewing of a bolt of fastening of a cable of the drive of a speedometer

Extraction of a cable of the drive of a speedometer from a transmission case

Arrangement of the electric socket of the switch of blocking of a starter and lamps of a backing


Removal of a wire on the left side of a transmission case

Arrangement of the vacuum chamber on the left side of the automatic transmission

Arrangement of a connecting bolt of fastening of a tube of the heat exchanger of transmission liquid

Removal of a pipe for the probe of measurement of level of transmission liquid to the transmission

Unscrewing of bolts of fastening of the transmission to the engine

When unscrewing bolts of fastening of the transmission to the engine note a grounding tire arrangement.

Removal of the hydrotransformer with use of additional handles

PERFORMANCE ORDER
1. Open a cowl and establish it in vertical position. Establish on a partition of a motor compartment a thin steel sheet to protect thermal insulation of a partition and pipelines of the brake system at removal of the automatic transmission.
2. Remove a weight wire from the accumulator.
3. On models at removal of the transmission be careful with an additional heater not to damage the cooling system hose located in a back part of a motor compartment. Unscrew a tube for the probe of measurement of level of oil in the automatic transmission from a head of the block of cylinders.
4. Disconnect a cable of management of pressure of the automatic transmission from draft of a butterfly valve.
5. Tighten the emergency brake, then lift a forward part of the car and record on supports. Height of raising of the car has to be sufficient for lowering of the transmission and its extraction from under the car. Remove the lower mudguard of the engine.
6. In the presence, unscrew bolts of fastening of the cross-piece located in front of the pallet of the automatic transmission from the car bottom. At installation of a cross-piece it is necessary to use new bolts.
7. Install a suitable container under a stopper of discharge of transmission liquid, then unscrew a stopper and merge liquid from the automatic transmission.
8. Install a container under a window in the lower part of a case of the transmission. For a bolt of fastening of a pulley turn a bent shaft until the stopper of discharge of liquid from the hydrotransformer does not appear in a window (see rice. The drain stopper of the hydrotransformer seen through a window in a transmission case).
9. Unscrew a drain stopper and merge liquid from the hydrotransformer.
10. Remove a plastic cap from a coupling case for access to bolts of fastening of the hydrotransformer to a drive plate (see rice. An arrangement of bolts of fastening of the hydrotransformer to a drive plate).
11. Unscrew six bolts of fastening of the hydrotransformer to a drive plate, consistently turning a bent shaft for access to the following couple of bolts.
12. Insert small wooden whetstone between the oil pallet and a cross-piece under the car bottom.
13. Remove the exhaust system.
14. In the presence, remove the thermofilter of the exhaust system from the car bottom for access to the central bearing of the driveshaft (see rice. Removal of the thermofilter from the car bottom, Unscrewing of an arm of fastening of the exhaust system from the car bottom).
15. Unscrew the arms of fastening of the exhaust system to the car bottom located under the driveshaft. Unscrew bolts and remove an arm of fastening of the exhaust system to the transmission. In the presence, disconnect electric wires from an arm on the transmission.
16. Disconnect the driveshaft from an output flange of the automatic transmission.
17. Weaken a nut of fastening of the central bearing of the driveshaft, then weaken, but do not unscrew completely a nut of fastening of the case of the central bearing and move the driveshaft back against the stop (see rice. Arrangement of a tightening nut of the central bearing of the driveshaft).
18. Support by a jack through wooden whetstone the automatic transmission.
19. Unscrew a back support of the power unit from the transmission and the bottom of the car and remove a support (see rice. Arrangement of a back support of the power unit).
20. Disconnect electric wires from the traction relay in the right back part of the automatic transmission (see rice. A detachment of electric wires from the traction relay).
21. Unscrew a bolt of fastening and take a speedometer drive cable from a case of the automatic transmission (see rice. Unscrewing of a bolt of fastening of a cable of the drive of a speedometer, Extraction of a cable of the drive of a speedometer from a transmission case). In the presence, take a speedometer drive cable from clamps on the transmission.
22. Release the fixing bracket and, using two screw-drivers and being careful, remove the electric socket from the switch of blocking of a starter and lamps of a backing (see rice. Arrangement of the electric socket of the switch of blocking of a starter and lamps of a backing).
23. Unscrew a special nut with a nakatka and disconnect a wire on the left side of a transmission case (see rice. Removal of a wire on the left side of a transmission case).
24. Disconnect all remained electric sockets from the transmission. Take electric conducting from brackets of fastening or arms on a transmission case.
25. Disconnect vacuum tubes from the vacuum chamber on the left side of the transmission (see rice. An arrangement of the vacuum chamber on the left side of the automatic transmission). Disconnect the remained vacuum tubes from a transmission case. Take tubes from brackets of fastening or arms on a transmission case. On some models for removal of vacuum tubes from the transmission it is previously necessary to disconnect them from an inlet collector in a motor compartment.
26. Remove brackets of fastening and remove draft of gear shifting from the lever of the choice of transfers on the transmission and from the lower part of the lever of the selector.
27. Unscrew connecting bolts and disconnect the giving and returnable tubes of the heat exchanger of transmission liquid from the transmission (see rice. Arrangement of a connecting bolt of fastening of a tube of the heat exchanger of transmission liquid). Remove sealing rings and traffic jams close the ends of tubes and an opening in the transmission for prevention of hit of dirt.
28. Unscrew from the transmission from the engine arms of fastening of pipes of the heat exchanger of transmission liquid and move pipes aside.
29. Release the fixing bracket and remove the probe for measurement of level of transmission liquid.
30. Unscrew the bolt fixing a pipe for the probe of measurement of level of transmission liquid to a transmission case. In the presence, unscrew the bolt of fastening of the transmission to the engine fixing a pipe for the probe of measurement of level of transmission of this liquid. Remove a pipe for the probe of measurement of level of transmission liquid from the transmission (see rice. Removal of a pipe for the probe of measurement of level of transmission liquid to the transmission, Unscrewing of bolts of fastening of the transmission to the engine).
31. Remove a starter.
32. Check that the transmission reliably is kept by a jack, then lower it so that the engine rested against the bar inserted between the oil pallet and a cross-piece. When lowering the transmission be careful not to damage the brake tubes or other elements located on a partition of a motor compartment.
33. Unscrew bolts of fastening of the transmission to the engine, leaving from each party of the transmission on one bolt. Access to the top bolts of fastening of the transmission is very limited. For access to these bolts it is necessary to use face wrenches with extenders and cardan connectors. On some models the top bolt of fastening of the transmission to the engine is inaccessible from below. Access to the top bolt is possible on the right side of a motor compartment after performance of the following actions:

– unscrew the thermofilters located about the amplifier of steering for access to nuts of fastening of a final collector;
– unscrew nuts and remove back section of a final collector from a head of the block of cylinders. Remove laying.

34. Note an arrangement of the tire of grounding and the arms fastening bolts of fastening of the transmission to the engine.
35. After unscrewing of the top bolts of fastening of the transmission to the engine lift the transmission in a starting position.
36. On models with 4-and 5-cylinder diesel engines at removal of the transmission it is necessary to fix the hydrotransformer, otherwise it can fall. For this purpose through a window in a case of the transmission insert a steel core into an opening for discharge of oil from the hydrotransformer.
37. Unscrew the remained bolts of fastening of the transmission to the engine, then move the transmission from the engine and, using a jack, lower and take the transmission from under the car. At removal of the transmission be careful not to allow falling of the hydrotransformer.
38. You make removal of the hydrotransformer as follows (see rice. Removal of the hydrotransformer with use of additional handles):
– install the transmission on wooden whetstones in vertical position by the hydrotransformer up;
– using a face key of 8 mm, turn a plastic clamp a formator hydrotrance on a quarter of a turn counterclockwise and remove a clamp. On models with 4-and 5-cylinder diesel engines take a core from an opening for discharge of oil from the hydrotransformer;
– for extraction of the hydrotransformer, using long bolts and openings for fastening of a plate of the drive, screw two additional handles. Being careful, evenly take the hydrotransformer from a transmission case;
– arrange the hydrotransformer in the safe place.