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Home >> Mercedes Benz >> 2019 >> A220 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 15 (Engine -- Cooling System -- 118 Chassis) >> Testing & Repair >> Remove/Install High Temperature Circuit Cooler - AR20.20-P-3863MFG

Remove/Install High Temperature Circuit Cooler - AR20.20-P-3863MFG

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Engine 139 in model 118, 177, 247 

MODIFICATION NOTES

16.12.2019 Document completely revised.    

Shown on model 177 

Fig 1: High Temperature Circuit Cooler Components Location - Model 118 With Engine 139 (Shown On Model 177)
G16048752Courtesy of MERCEDES-BENZ USA
G16048753Courtesy of MERCEDES-BENZ USA

Shown on model 177 

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 
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
Notice  Notes on avoiding damage through contamination and foreign objects   AH00.00-P-5000-01A
Notice  Notes on coolant   AH20.00-P-2080-01KOA 
REMOVINGINSTALLING Remove/install     
1 Remove cooler (2).   AR20.20-P-3865MFG 
2 Unclip cooler (2) from the brackets (5) and remove high-temperature circuit cooler (1) from cooler (2).    
3 Check the high-temperature cooling system (1) for damage. If there are problems,

replace the high-temperature cooling system (1).
 
4 Install in the reverse order.