Remove/install low temperature water circuit radiator - AR09.41-P-6935GW

ENGINE 157, 279 in MODEL 463 

Fig 1: Low Temperature Water Circuit Radiator Remove/Install Components

Courtesy of MERCEDES-BENZ USA

	Remove/install
1	Remove fan unit	Model 463 with engine 279	AR20.40-P-5050MUD
		Model 463 with engine 157	AR20.40-P-5050GW
2	Drain off coolant	Model 463 with engine 279	AR20.00-P-1142RKC
	Notes on coolant		AH20.00-N-2080-01A
		Model 463 with engine 157	AR20.00-P-1142GW
3	Detach coolant hoses (3, 4)	Collect coolant which flows out.
4	Detach coolant line of P/S (2) from cooler for low-temperature water circuit (1) and from body	Model 463 (except 463.322/323) with engine 157, 279 as of model year 2013 Lay coolant line of P/S (2) with attached lines outside the working area.	AR46.25-P-3010GW
5	Unscrew nuts (5) from seal bellows	Tighten nuts (5) carefully. The elastomer bearing will be damaged otherwise. Check seal bellows on the left and right for damage; replace if necessary.
6	Remove radiator for low-temperature water circuit (1)	Pull radiator for low-temperature water circuit (1) upwards out of the elastomer bearing (6) and pull to the front.
7	Install in the reverse order
8	Pour in coolant	Model 463 with engine 279	AR20.00-P-1142RKC
		Model 463 with engine 157	AR20.00-P-1142GW
	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
9	Carry out engine test run and check the engine cooling system for proper function and leaktightness	Visual inspection