Remove and Install
Removal and Installation of Transmission With Torque ConverterExploded View, Transmission With Torque Converter:
Special Tools:
Removal and Installation
1 Disconnect minus cable on battery.
2 Unscrew holder (arrow) for oil filler pipe (28) on cylinder lead.
3 Disengage engine longitudinal regulating shaft.
4 Force off bell socket (19).
5 Disconnect control wire for control pressure (98).
Vehicles With Injection Engines
Pull out lock (20) and loosen control wire.
Vehicles With Carburetor Engines
Compress both plates on plastic clip (18) with pliers and pull out control wire in direction of arrow.
Installation Note
Adjust cable for control pressure.
6 Jack up vehicle.
7 Unscrew cross yoke center piece (4).
Installation Note
Replace self-locking hex. head screws and tighten to 45 Nm.
8 Unscrew drain plug (1) on oil pan and drain oil.
9 Unscrew drain plug on torque converter (2) and drain oil.
Installation Note
Screw in drain plug on oil pan and on torque converter and tighten to 14 Nm.
10 Unscrew cover plate (16 and 30).
Note: On vehicles with engine 110, unscrew supporting tray of oil pan intermediate flange.
11 Unscrew screws (17) for driving plate torque converter (total of six).
Installation Note
Tightening torque 42 Nm.
12 Place a fitting wooden block (arrow) in-between engine oil pan and cross yoke.
13 Loosen exhaust system on plug connection (arrows) and remove.
14 Remove cross beam (22) together with rear engine mount.
15 Loosen cable strap (23) and unscrew cable (6) on kickdown solenoid valve (61). Unscrew fastening screw for impulse transmitter (arrow) and pull out impulse transmitter.
NOTE: Disconnect tachometer shaft on vehicles with mechanical tachometer.
16 Unscrew exhaust support (24).
17 Unscrew companion shaft (25) on universal flange.
18 Unscrew exhaust shielding plate.
19 Loosen propeller shaft clamping nut (7) and contract propeller shaft as much as possible.
Torque wrench - 001 589 66 21 00
Open-end wrench 46 mm - 126 589 00 01
Installation Note
Tightening torque 30-40 Nm.
20 Remove plug for starter lockout switch (8).
Attention!
The plug for the starter lockout switch (8) is secured by a lock (white plastic ring). Prior to pushing off plug, turn lock in upward direction (direction of arrow). Carefully push off plug at cable outlet and tongue by means of two screw drivers.
21 Pull off plug (8).
22 Disconnect control rod (9) on range selector lever (52).
23 Unscrew holder (26) and pull off vacuum line (10).
24 Unscrew oil cooler feed line (12).
25 Unscrew oil cooler return line (13).
Installation Note
Replace sealing rings for forward and return flow line.
26 Unscrew fastening Screw (14) for oil filler pipe (15) and push oil filler pipe in upward direction.
27 Unscrew all fastening screws except for the two lateral screws (21).
Tightening torques:
M 10 x 40 = 55Nm
M 10 x 90 = 45Nm
M 12 = 65Nm
28 Slightly lift transmission with mount 116 589 06 62 00 for pit lift (060).
29 Unscrew lateral screws (21).
30 Push transmission to the rear as far as propeller shaft permits and lower carefully.
Installation Note
Lift transmission and slide at engine height forward until converter housing rests firmly against engine. Also connect ground strap (36).
31 Lift transmission from removing and installing fixture.
Installation Note
Turn torque converter in such a manner that one of the three threaded plates is accurately in downward position. Slightly grease centering pin on torque converter.
32 Place transmission into vertical position.
33 Turn plastic holding pin (arrow) for torque converter by 1/4 turn in counterclockwise direction by means of 8 mm hex. socket wrench and remove.
34 Screw handle 126 589 01 62 00 (065) on torque converter.
35 Pull out torque converter.
Attention!
If the transmission fluid has a burned smell or is mixed up with abrasive material, flush torque converter, oil cooler lines and oil cooler. If the transmission oil pan contains metal chips, replace torque converter. Metal chips are not completely removed by flushing and may lead to transmission damage later on.
Installation Note
Grease drive flange (32) with Molykote. Move torque converter back and forth during installation for easy meshing of teeth. Insert plastic holding pin (arrow) and turn clockwise for 1/4 turn.
36 Flush torque converter by adding 1 liter of kerosene. Insert flushing mandrel 116 589 00 15 00 (063) and drive by means of a portable drill at low speed for approx. 2 minutes. Then drain kerosene via drain plug (2). Repeat flushing procedure 2 - 4 times until kerosene flows out clean.
37 Screw oil cooler with oil cooler lines (12) and (13) to syringe (064) and flush with cleaning compound. Then blow out well. Hand pump for removing oil 112 589 00 12 00.
38 Fill in transmission fluid through filling-in funnel with filter 126 589 12 63 00 and perform oil level checkup (Maintenance Manual job item 2710). With transmission at operating temperature, and at correct oil level, the readout should be at max. mark.