Check low-temperature circuit coolant level

AP20.30-P-2052F

04.09.2019

Engine	176 in model 167, 217, 222
Engine	176, 177 in model 463
Engine	177 in model 167, 205, 213, 217, 222, 253, 290

Check low-temperature circuit coolant level

P20.30-2555-08

Shown on engine 176.9 in model 222.1

1	Cap		3	Engine cover
2	Low-temperature circuit coolant expansion reservoir

P20.30-2479-09

Shown on engine 177.9 in model 205.0

Cap

Low-temperature circuit coolant expansion reservoir

P20.30-2536-08

Shown on engine 177.9 in model 213.0

1	Cap		3	Engine cover
2	Low-temperature circuit coolant expansion reservoir

 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 pressure. Do not pour coolant into beverage containers. Wear protective gloves, protective clothing and safety glasses.	AS20.00-Z-0001-01A
Topical note	Notes on coolant		AH20.00-N-2080-01A
	Remove
1	Remove engine cover (3).	Engine 176 in model 167, 217, 222 Engine 176, 177 in model 463 as of model year 2019 Engine 177 in model 167, 213, 217, 222, 253, 290
		Engine 176 in model 167	AP01.10-P-2405-01M
		Engine 176 in model 463 as of model year 2019	AR01.10-P-2405XGA
		Engine 177 in model 213	AR01.10-P-2405MNE
		Engine 177 in model 167, 290	AP01.10-P-2405-01E
		Engine 177 in model 463 as of model year 2019	AR01.10-P-2405XGC
2	Unscrew cap (1) of low-temperature circuit coolant expansion reservoir (2).
	Check
3	Check coolant level.	 The coolant level in a cold engine must reach the marking (arrow) in the low-temperature circuit coolant expansion reservoir (2). When the coolant is warm: approx. 1 cm (0.39 inch) above the marking.
		If the coolant level is too low,
		
		Check cooling system for leak tightness and coolant for antifreeze content.
		Coolant specifications	BB00.40-P-0310-01A
		 After obtaining special order.
	Install
4	Seal low-temperature circuit coolant expansion reservoir (2) with cap (1).
5	Install engine cover (3).	Engine 176 in model 167, 217, 222 Engine 176, 177 in model 463 as of model year 2019 Engine 177 in model 167, 213, 217, 222, 253, 290
		Engine 176 in model 167	AP01.10-P-2405-01M
		Engine 176 in model 463 as of model year 2019	AR01.10-P-2405XGA
		Engine 177 in model 213	AR01.10-P-2405MNE
		Engine 177 in model 167, 290	AP01.10-P-2405-01E
		Engine 177 in model 463 as of model year 2019	AR01.10-P-2405XGC

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