Replace Front Radial Shaft Sealing Ring - AR03.20-P-3002MNL

Engine 176 in model 217, 222

MODIFICATION NOTES

24.06.2019	Special tools, added.	Operation step 3.
24.06.2019	Perform engine test run.	Operation step 7.

Fig 1: Front Radial Shaft Sealing Ring Components Location - Engine 176 In Model 222

Courtesy of MERCEDES-BENZ USA

	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
	Risk of injury to skin and eyes due to handling of engine oil. Risk of poisoning caused by swallowing engine oil	Wear protective gloves, protective clothing and safety glasses. Do not fill engine oil into beverage containers.	AS18.00-Z-0001-01A
Topical note	Notes on avoiding damage through contamination and foreign objects		AH00.00-P-5000-01A
	Remove/install
1	Remove belt pulley.		AR03.30-P-1600MNL
2	Remove bolts (1).	Screw/bolt, front of bottom half of crankcase to crankcase	*BA01.40-P-1001-01ZA
3	Remove cap (2) together with the radial shaft sealing ring (3).
	Notes on distribution of sealant on crankcase end cover		AH01.40-P-1000-09MNA
	000 588 00 84 00 Heat gun		WS54.00-P-0049B
	Specified engine oils (service) - Overview	: Apply sealant to the cap (2). : Wet sealing lip of radial shaft sealing ring (3) with engine oil. If necessary, heat cap (2) in the area of the sealing surface with a heat gun. The cap (2) and the radial shaft sealing ring (3) can only be replaced together.	BB00.40-P-0223-02A
		Sealant, Loctite 5970, 50 ml	*BR00.45-Z-1013-01A
		Application gun	Fig 3
		Insertion tool	Fig 2
	Check
4	Check tread of the radial shaft sealing ring (3) on the crankshaft (4) for damage.	If damage is present, ↓ Replace crankshaft (4).
			AR03.20-P-4351MNL
5	Install in the reverse order.
6	Check and correct engine oil level.
			AP18.00-P-1812SKI
	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
7	Carry out engine test run and check engine for proper leak tightness and leak tightness.