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Home >> Mercedes Benz >> 2021 >> G63 AMG >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> Automatic Transmission - 463 Chassis >> Testing & Repair >> Remove/Install Automatic Transmission Fluid Cooler >> Remove/Install Automatic Transmission Fluid Cooler - AR27.55-P-1000XGC

Remove/Install Automatic Transmission Fluid Cooler - AR27.55-P-1000XGC

Transmission 725.0 in model 463 with engine 177 

as of model year 2019 

Fig 1: Automatic Transmission Fluid Cooler Components Location - Transmission 725.0 In Model 463 With Engine 177
G13657425Courtesy of MERCEDES-BENZ USA
WARNING Risk of injury  to skin and eyes suffering scalding from contact with hot coolant spray.
Risk of poisoning  from swallowing coolant.
Do not open cooling system unless coolant temperature is below 90 °C. Open cap slowly and release the pressure. Do not pour coolant into beverage containers.
Wear protective gloves, protective clothing and safety glasses.
AS20.00-Z-0001-01A
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. AS00.00-Z-0002-01A
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
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
  Notes on automatic transmission   AH27.19-P-0001-01NKB 
REMOVINGINSTALLING Remove/install     
1 Lift vehicle with lifting platform.   AR00.60-P-1006A
2 Clamp off coolant hoses (8) on oil cooler (1) using clamps. SPECIAL TOOL Clamp Fig 4
3 Remove coolant hoses (8) from oil cooler (1) and seal openings using suitable stop plugs or protective covers. IMPORTANT Collect escaping coolant in suitable container. AR09.41-P-1311-01AL
    SPECIAL TOOL Set of plugs Fig 2
    SPECIAL TOOL Set of protective caps Fig 3
4 Remove screws (5). TORQUE SPECIFICATION M6X1 *BA00.10-P-1002-04A 
5 Unscrew nuts (6). TORQUE SPECIFICATION M6X1 *BA00.10-P-1002-04A 
6 Remove screw (3). TORQUE SPECIFICATION M6X1 *BA00.10-P-1002-04A 
7 Remove oil lines (4l, 4r) from oil cooler (1) and seal openings using suitable stop plugs or protective covers.   AR27.10-P-0501-03GW 
    SPECIAL TOOL Record plug Fig 5
    SPECIAL TOOL Set of protective caps Fig 3
8 Remove oil cooler (1) with holder (7) downwards.    
9 Check seals in oil cooler (1) for damage. If damage is found,
↓
replace the oil cooler (1).
 
10 Unscrew bolts (2) and remove holder (7) from oil cooler (1). When replacing oil cooler (1).  
    TORQUE SPECIFICATION M6X1 *BA00.10-P-1002-04A 
11 Install in the reverse order.    
INSPECT Check     
12 Check and correct oil level in automatic transmission.   AR27.00-P-0270EWN 
13 Check low temperature cooling system for leak tightness.   AR09.41-P-1011XGA
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
14 Perform engine test run and check oil cooler (1) and oil lines (4l, 4r) for proper operation and leak tightness.    
METRIC SCREWS/BOLTS AND NUTS AS PER MBN 10 105, 10 143

Number Designation 8.8 10.9
BA00.10-P-1002-04A M6X1 Nm 9 13
Fig 2: Identifying Set Of Plugs (199 589 00 98 00)
G13657426Courtesy of MERCEDES-BENZ USA
Fig 3: Identifying Set Of Protective Caps (001 589 00 91 00)
G13657427Courtesy of MERCEDES-BENZ USA
Fig 4: Identifying Clamp (000 589 40 37 00)
G13657428Courtesy of MERCEDES-BENZ USA
Fig 5: Identifying Record Plug (129 589 00 91 00)
G13657429Courtesy of MERCEDES-BENZ USA