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Home >> Mercedes Benz >> 2021 >> GT 53 AMG >> Repair and Diagnosis >> Transmission >> Transfer Case -- 290 Chassis >> Testing & Repair >> Remove/Install Coolant Lines For Transfer Case Oil Cooler - AR28.55-P-1200MNI

Remove/Install Coolant Lines For Transfer Case Oil Cooler - AR28.55-P-1200MNI

Transmission 725.0 in model 290 with engine 177 

with code M005 (Vehicles with 4MATIC/all-wheel drive) 

Transmission 725.163 in model 290.679 with engine 177.8 

G16559419Courtesy of MERCEDES-BENZ USA
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
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  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 coolant   AH20.00-P-2080-01KOA
Notice  Notes on avoiding damage through contamination and foreign objects   AH00.00-P-5000-01A
REMOVINGINSTALLING Remove/install     
1 Drain coolant from low-temperature circuit.   AR09.41-P-6834MNI
2 Remove screw (3) and remove bracket. TORQUE SPECIFICATION Bolt, coolant line to transfer case/bracket at side on automatic transmission *BA28.10-P-1009-01G 
3 Release clamps (2). SPECIAL TOOL Hose clamp pliers Fig 1
4 Detach coolant lines (1) from coolant hoses seal openings using suitable stop plugs. SPECIAL TOOL Record plug Fig 2
5 Unscrew bolt (4). TORQUE SPECIFICATION Bolt, coolant line to transfer case/bracket at side on automatic transmission *BA28.10-P-1009-01G 
6 Detach coolant lines (1) from transfer case and seal openings using suitable stop plugs. INSTALLATION IMPORTANT : Replace seals.
SPECIAL TOOL Record plug
Fig 2
7 Remove coolant lines (1) downwards.    
8 Install in the reverse order.    
COMPLETE TRANSFER CASE

Number Designation Model 206.080/087/280/287 with transmission 725.1 Model 213.061/088/089/261/2 88/289 with transmission 725.0 Model 214.063/064/263/264 with transmission 725.1 Model 223.182 with transmission 725.1 Model 236.380/480 with transmission 725.1 Model 238.361/461 with transmission 725.0 Model 253.388/389/988/989 with transmission 725.0 Model 254.380/387/680/687 with transmission 725.1 Model 290.661/688 with transmission 725.0 Model 205 with transmission 725.0 Model 206 (except 206.080/087/280/287) with transmission 725.1 Model 213 (except 213.061/088/089/261/2 88/289) with transmission 725.0/1 Model 214 (except 214.063/064/263/264) with transmission 725.1 Model 217, 218, 222 with transmission 725.0 Model 223 (except 223.182) with transmission 725.0/1 Model 236 (except 236.380/480) with transmission 725.1 Model 238 (except 238.361/461) with transmission 725.0/1 Model 253 (except 253.388/389/988/989) with transmission 725.0 Model 254 (except 254.380/387/680/687) with transmission 725.1 Model 257 with transmission 725.0/1 Model 290 (except 290.661/688) with transmission 725.0/1
BA28.10-P-1009-01G Bolt, coolant line to transfer case/bracket at side on automatic transmission Nm 9 -
Fig 1: Identifying Hose Clamp Pliers (003 589 03 37 00)
G16163097Courtesy of MERCEDES-BENZ USA
Fig 2: Identifying Record Plug (129 589 00 91 00)
G16145009Courtesy of MERCEDES-BENZ USA