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Home >> Mercedes Benz >> 2016 >> GL450 >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - 166 Chassis - 2 Of 2 >> Testing & Repair >> Remove/install transmission with torque converter - AR27.10-P-0500GQ

Remove/install transmission with torque converter - AR27.10-P-0500GQ

TRANSMISSION 722.9 in MODEL 166 

Shown on engine 276.9 with CODE 920 (Gasoline direct injection with stratified charge) 

Fig 1: Identifying Transmission With Torque Converter Remove/Install Components - Shown On Engine 276.9 With Code 920
G09982040Courtesy of MERCEDES-BENZ USA
Fig 2: Identifying Transmission With Torque Converter Remove/Install Components - Shown On Transfer Case With Code 430
G09982041Courtesy of MERCEDES-BENZ USA

Shown on transfer case with CODE 430 (On & off-road package) 

Fig 3: Identifying Transmission With Torque Converter Remove/Install Components
G09982042DANGERNOTESNOTESNOTESREMOVINGINSTALLINGNOTESTORQUE SPECIFICATIONIMPORTANTINSTALLATION IMPORTANTTORQUE SPECIFICATIONSPECIAL TOOLINSTALLATION IMPORTANTTORQUE SPECIFICATIONSPECIAL TOOLTORQUE SPECIFICATIONTORQUE SPECIFICATIONSPECIAL TOOLSPECIAL TOOLSPECIAL TOOLSPECIAL TOOLIMPORTANTTORQUE SPECIFICATIONIMPORTANTINSTALLATION IMPORTANTIMPORTANTSPECIAL TOOLSPECIAL TOOLINSPECTNOTESREFER TO SELF-DIAGNOSTIC SYSTEMSDANGERCourtesy of MERCEDES-BENZ USA
DANGER 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
NOTES Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
NOTES Notes on bolted connections with self tapping screws   AH00.00-P-0007-01SF
NOTES Notes on self-locking nuts and bolts   AH00.00-N-0001-01A
REMOVING Notes on automatic transmission   AH27.19-P-0001-01NKB
INSTALLING Remove/install     
1 Set DIRECT SELECT selector lever to position "N"    
2 Release parking brake    
3 Disconnect battery ground cable   AR54.10-P-0003GZ
NOTES Notes on battery   AH54.10-P-0001-01A
4 Secure vehicle on vehicle lift   AR00.60-P-0100GZ
5 Remove respective section of the underfloor paneling   AR61.30-P-1001GQ
6 Remove left and right bracket of underfloor paneling from front axle carrier TRANSMISSION 722.9 in MODEL 166 with ENGINE 276.8  
7 Detach exhaust gas recirculation lines (4a, 4b) from exhaust system ENGINE 276.9 with CODE 920 (Gasoline direct injection with stratified charge)  
AR49.10-P-7100GQA
8 Remove left and right bracket securing catalytic converter to transmission TRANSMISSION 722.9 in MODEL 166 with ENGINE 276.8  
TORQUE SPECIFICATION Screw/bolt, exhaust system bracket to transmission *BA49.10-P-1020-01AK 
9 Detach holder (5a, 5b) from transmission (1) ENGINE 276.9 with CODE 920 (Gasoline direct injection with stratified charge)  
10.1 Detach rear exhaust system at connecting point (arrows) and remove ENGINE 276.9 with CODE 920 (Gasoline direct injection with stratified charge)  
AR49.10-P-7100GQA
10.2 Detach catalytic converter from center muffler ENGINE 276.9 except CODE 920 (Gasoline direct injection with stratified charge)  
10.3 Detach exhaust system at connecting point between diesel particulate filter and exhaust pipe and remove ENGINE 642, 651 AR49.10-P-7100GQB
10.4 Remove rear exhaust system at connecting point of catalytic converter ENGINE 276.8  
AR49.10-P-7100GQA
11 Unclip electrical line of left oxygen sensor downstream of catalytic converter from transmission (1) ENGINE 157, 276.9, 278  
12 Remove temperature sensor upstream of diesel particulate filter and place to one side ENGINE 642, 651  
AR07.04-P-0005OGR
13 Remove heat shield (12) from transfer case (15)    
14 Remove rear propeller shaft (6b) at output flange to rear axle from transfer case (15) or adapter housing, place to one side and fix in place   AR41.10-P-0050-17GZ
IMPORTANT Mark the rear propeller shaft (6b) relative to the propeller shaft flange.
INSTALLATION IMPORTANT Observe the tightening procedure for the rear propeller shaft (6b) to the transfer case (15) or adapter housing.
 
TORQUE SPECIFICATION Self-locking bolt for propeller shaft on transfer case (to rear axle) *BA41.10-P-1001-01F 
SPECIAL TOOL Retainer wrench Fig 8
15 Remove front propeller shaft (6a) to front axle from output flange of transfer case, place to one side and fix in place Except MODEL 166.058 AR41.10-P-0070-03GZ
INSTALLATION IMPORTANT Observe tightening procedure for front propeller shaft (6a). *BA41.10-P-1003-01F 
TORQUE SPECIFICATION Self-locking bolt, propeller shaft to transfer case (to front axle) *BA41.10-P-1003-01F 
SPECIAL TOOL Retainer wrench Fig 8
16 Disconnect electrical connectors (15a) from transfer case (15) and unclip Except MODEL 166.058  
17 Disconnect electrical connector from intelligent servo module for DIRECT SELECT   AR27.19-P-0550GQ 
18 Disconnect electrical connector from auxiliary oil pump (7) With CODE B03 (ECO start/stop function)  
AR27.30-P-0651GQ 
19 Unclip wiring harness from intelligent servo module at transmission (1)    
20 Detach heat shield (8) from transmission (1) MODEL 166 with TRANSMISSION 722.9  
MODEL 166.0 with TRANSMISSION 722.9 AR27.40-P-0700-01GZ
TORQUE SPECIFICATION Bolt, heat shield to transmission housing *BA27.40-P-1014-01A 
21 Disconnect electrical connector (9) from transmission (1) and detach wiring harness from transmission (1)    
22 Detach oil cooling lines (10a, 10b) from transmission (1) and place to one side   AR27.55-P-0600GQ 
23.1 Remove oil cooling line (10a) from thermostat ENGINE 157, 276.9, 278  
AR27.55-P-0600GQ 
23.2 Detach oil cooling lines (10a, 10b) from transmission bracket ENGINE 276.8  
24 Support transmission (1) with telescopic lifter and lash down securely Transmission jack
Transmission platform
 
25 Remove engine cross member at rear TRANSMISSION 722.9 in MODEL 166  
AR22.10-P-1180GQ
26 Remove cover (11) and detach torque converter (2) from driver spider   AR27.20-P-0100-01A
TORQUE SPECIFICATION Bolt, torque converter to driver spider *BA27.20-P-1002-01C 
SPECIAL TOOL Motor 651
Counterholder
Fig 4
SPECIAL TOOL Socket wrench bit Fig 9
SPECIAL TOOL Long wedge Fig 5
27 Pry torque converter (2) evenly off driver spider SPECIAL TOOL Long wedge Fig 5
28 Remove bracket for right oxygen sensor cable duct from torque converter housing ENGINE 276.8  
29 Remove bracket for left oxygen sensor connector from torque converter housing ENGINE 276.8  
30 Detach starter from transmission (1) ENGINE 157, 278 AR15.30-P-7100MLJ
ENGINE 276 AR15.30-P-7100GQ
ENGINE 642 AR15.30-P-7100OGR
ENGINE 651
IMPORTANT Place starter to the side with lines connected and secure to prevent it falling down.
AR15.30-P-7100CD
31 Remove bolts from circumference of transmission (1) TORQUE SPECIFICATION Bolt, automatic transmission to engine *BA27.40-P-1008-01A 
32 Remove transmission (1) with transfer case (15) or adapter housing IMPORTANT Lower the telescopic lifter slowly and secure the torque converter (2) to prevent it from falling out.
INSTALLATION IMPORTANT Align the bores of the torque converter (2) with the bores in the driver spider.
 
33 Remove torque converter (2) MODEL 166 with TRANSMISSION 722.9 (except 722.93)
If necessary
 
  AR27.20-P-0500-01W
IMPORTANT Observe the installation height of the torque converter.  
Installed height of torque converter *BE27.20-P-1001-01E 
SPECIAL TOOL Handles Fig 7
SPECIAL TOOL Parallel rest Figure
34 Remove corrosion from crankshaft   AR03.20-P-1000-01A
Assembly cleaner *BR00.45-Z-1028-04A 
Multi-purpose paste *BR00.45-Z-1009-06A 
INSPECT Check     
35 Check threaded unions in driver spider If threaded unions are damaged or loose:
Install a new driver spider.
 
MODEL 166 with ENGINE 642 with TRANSMISSION 722.9 AR03.30-P-8001OGR
MODEL 166 with ENGINE 157 with TRANSMISSION 722.9
MODEL 166 with ENGINE 278 with TRANSMISSION 722.9
AR03.30-P-8001MLJ
MODEL 166 with ENGINE 276 with TRANSMISSION 722.9 AR03.30-P-8001GQ
MODEL 166 with ENGINE 651 with TRANSMISSION 722.9 AR03.30-P-8001CD
36 Install in the reverse order    
37 Check transmission oil level and correct if necessary   AR27.00-P-0270W 
NOTES Follow the prescribed work procedure exactly and observe the Specifications for Operating Fluids.
The transmission (1) will otherwise be damaged.
 
38 Read out fault memory using diagnostic system and clear if necessary    
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-04A
39 Perform transmission adaptation using diagnostic system After replacement or repair of transmission (1)  
40 Reset service life data of torque converter lockup clutch using diagnostic system After replacing torque converter (2)  
DANGER 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. AS00.00-Z-0005-01A
41 Test run engine and check transmission (1) for leaktightness and proper operation    
TEST VALUES FOR TORQUE CONVERTER

Number Designation TRANSMISSION 722.9
BE27.20-P-1001-01E Installed height of torque converter Distance, bolt flange to transmission housing flange Helical screwed connection mm 9, 5
See picture AR27.20-P-0500-01W
Axial screwed connection mm 19, 5
TORQUE CONVERTER

Number Designation TRANSMISSION 722.9
BA27.20-P-1002-01C Bolt, torque converter to driver spider Straight threaded connection M8 Nm 42
Angled threaded connection Stage 1 Nm 4
Stage 2 Nm 30
Stage 3 ∠° 90
HOUSING

Number Designation TRANSMISSION 722.9
BA27.40-P-1008-01A Bolt, automatic transmission to engine M10X40 Nm 38
M10X45 Nm 38
M10X90 Nm 38
M12 Nm -
HOUSING

Number Designation TRANSMISSION 722.9
BA27.40-P-1014-01A Bolt, heat shield to transmission housing Nm 9
PROPELLER SHAFT

Number Designation MODEL 166
BA41.10-P-1001-01F Self-locking bolt for propeller shaft on transfer case (to rear axle) Stage 1 Nm 40
Stage 2 ∠° 90
PROPELLER SHAFT

Number Designation MODEL 166
BA41.10-P-1003-01F Self-locking bolt, propeller shaft to transfer case (to front axle) Stage 1 Nm 40
Stage 2 ∠° 90
EXHAUST SYSTEM

Number Designation ENGINE 276 in MODEL 166
BA49.10-P-1020-01AK Screw/bolt, exhaust system bracket to transmission Stage 1 Nm 8
Stage 2 ∠° 90
Fig 4: Identifying Counterholder (651 589 00 40 00)
G07333156Courtesy of MERCEDES-BENZ USA
Fig 5: Identifying Long Wedge (115 589 03 59 00)
G07070400Courtesy of MERCEDES-BENZ USA
Fig 6: Identifying Parallel Rest (126 589 04 31 00)
G09982045Courtesy of MERCEDES-BENZ USA
Fig 7: Identifying Handles (168 589 00 62 00)
G09982046Courtesy of MERCEDES-BENZ USA
Fig 8: Identifying Retainer Wrench (164 589 02 07 00)
G07692352Courtesy of MERCEDES-BENZ USA
Fig 9: Identifying Socket Wrench Bit (001 589 65 09 00)
G07492046Courtesy of MERCEDES-BENZ USA
REPAIR MATERIALS

Number Designation Order number
BR00.45-Z-1009-06A Multi-purpose paste A 000 989 80 51 10
BR00.45-Z-1028-04A Assembly cleaner -