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Home >> Mercedes Benz >> 2020 >> CLA45 AMG >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> Automatic Transmission (2 Of 2) -- 118 Chassis >> Testing & Repair >> Remove/Install Transmission Cooling Module - AR27.55-P-1500MFC

Remove/Install Transmission Cooling Module - AR27.55-P-1500MFC

Transmission 724.0 in model 118, 177, 247 

Fig 1: Transmission Cooling Module Components Location - Transmission 724.0 In Model 118
G16063507Courtesy of MERCEDES-BENZ USA
WARNING Risk of injury  to skin and eyes suffering scalding from contact with hot coolantspray. Risk of poisoning  from swallowing coolant. Do not open cooling system unless coolant temperature is below 90°C. Open cap slowly and release the overpressure. Do not pour coolant into beverage containers.
Wear protective gloves, protective clothing and safety glasses.
AS20.00-Z-0001-01A
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.
Do not pour transmission oil into beverage bottles.
AS00.40-Z-0001-01A
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.
Deburr repair panels.
AS00.00-Z-0017-01A
Notice  Notes on avoiding damage through contamination and foreign objects   AH00.00-P-5000-01A
Notice  Notes on self-locking nuts and bolts   AH00.00-P-0001-01KOA
  Notes on automatic transmission   AH27.19-P-0001-01NKB
REMOVINGINSTALLING Remove/install     
1 Switch off ignition and store transmitter key outside of transmitter range (min. 2 m).    
2 Drain off coolant. INSTALLATION IMPORTANT Install lower engine cover only after leak test. AR20.00-P-1142MFC
3 Remove air filter unit.   AR09.10-P-1150MFC
4 Unclip electrical wiring harness from transmission oil cooling module (1).    
5 Release and remove coolant hose (4) from cooler.   AR20.20-P-7441-01RQ
6 Unscrew bolts (3). TORQUE SPECIFICATION Bolt, cooler module to transmission housing *BA27.10-P-1002-04F 
7 Remove transmission oil cooling module (1) from automatic transmission with coolant hoses (2, 4) remaining and collect escaping transmission oil with a suitable container.    
8 Remove coolant hose (2) from transmission oil cooling module (1). SPECIAL TOOL Hose clamp pliers Fig 2
9 Remove transmission oil cooling module (1) and seal openings with suitable means. INSTALLATION IMPORTANT Ensure that guide lug (5) is correctly seated.
INSTALLATION IMPORTANT Replace seal.
 
10 Remove coolant hose (4) from transmission oil cooling module (1). If the transmission oil cooling module (1) is replaced.
SPECIAL TOOL Hose clamp pliers
Fig 2
11 Unscrew oil filter cover (6) and remove oil If the transmission oil cooling module (1) is replaced.
TORQUE SPECIFICATION Oil filter cover to cooler module
*BA27.10-P-1003-04F 
12 Install in the reverse order.    
INSPECT Check     
13 Check transmission oil level, and correct if necessary.   AR27.00-P-0104MFC
14 Check cooling system for leaks.   AR20.00-P-1010MFD
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. AS00.00-Z-0005-01A
WARNING Risk of burn injuries  , suffocation and poisoning when working on the exhaust system and the components connected to it. Risk of suffocation and risk of poisoning caused by inhalation of gaseous and solid components of the exhaust. Risk of poisoning  caused by skin contact with solid components of the exhaust. Wear protective clothing and safety glasses. Use the extraction system. Move people out of the danger zone. AS49.00-Z-0001-01A
15 Perform engine test run and check transmission for proper operation and leaktightness.    
AUTOMATIC TRANSMISSION COMPLETE

Number Designation Transmission 724.0
BA27.10-P-1002-04F Bolt, cooler module to transmission housing Nm 8
AUTOMATIC TRANSMISSION COMPLETE

Number Designation Transmission 724.0
BA27.10-P-1003-04F Oil filter cover to cooler module Nm 25
Fig 2: Identifying Hose Clamp Pliers (454 589 00 37 00)
G12939525Courtesy of MERCEDES-BENZ USA