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Home >> Mercedes Benz >> 2017 >> GLE550 >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Cooling System - 166 Chassis >> Testing & Repair >> Remove/Install Fan Unit >> Remove/Install Fan Unit - AR20.40-P-5050GQ

Remove/Install Fan Unit - AR20.40-P-5050GQ

ENGINE 276, 642 in MODEL 292 

ENGINE 276, 642, 651 in MODEL 166 

Shown on model 166 with engine 276.9 

G11971822

Shown on model 166 

G11971823
REMOVINGINSTALLING Remove/install     
1 Remove upper engine cover    
2 Remove the engine air intake ducts (2) upstream of the air filter housing Engine 276.8 in model 166, 292 AR09.10-P-1150GQC
Engine 642 in model 166, 292 AR09.10-P-1150OGR
Engine 651 in model 166 AR09.10-P-1150CD
3 Disconnect electrical connection (5) on fan unit (4) and unclip electrical line on fan unit (4)    
4 Unlock and detach vent line on coolant expansion reservoir and on cooler Engine 642 in model 292 Engine 642, 651 in model 166  
5 Unclip vent line from fan unit (4) and from bracket for glow output stage and lay outside the working area Engine 642 in model 292 Engine 642, 651 in model 166  
6 Press unlocking lugs on cooler aside and remove fan unit (4) upwards INSTALLATION IMPORTANT Ensure correct seating of the guides (A) on radiator frame.  
7 Install in the reverse order