Remove/Install Check Valve On Charge Air Line - AR09.41-P-8970SB

Engine 256.9 in model 223 

with code M016 (Uprated engine) 

Fig 1: Check Valve On Charge Air Line Components Location - Engine 256.9 In Model 223 With Code M016

Courtesy of MERCEDES-BENZ USA

	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
	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
Topical note	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
Topical note	Notes on avoiding damage through contamination and foreign objects		AH00.00-P-5000-01A
	Remove/install
1	Remove the catalytic converter.		AR49.20-P-0100S
2	Remove charge air line from the check valve (1) to the additional compressor (A64).		AR09.41-P-8952SB
3	Disconnect and release electrical connector (2) at charge air pressure/temperature sensor (B159).
4	Remove bleed line (3) from the check valve (1).
5	Release screw clamp (5).	Screw clamp, boot to exhaust gas turbocharger	*BA09.41-P-1010-01MRT
6	Remove screw (7).	Screw, check valve to chain case cover	*BA09.41-P-1011-01MRT
7	Detach check valve (1) with boot (6) from the exhaust gas turbocharger and remove it in a forward direction.	: Slide on new boot (6) up to the end stop. Align marking on the new boot (6) with the arrow on the exhaust gas turbocharger.
8	Remove boot (6) from the check valve (1).	: Wet inside area of the new boot (6) with lubricant. : Install new boot (6) together with screw clamps (4, 5). Lubricant, rubber assembly 1 L	*BR00.45-Z-1010-06A
		Screw clamp, boot to exhaust gas turbocharger	*BA09.41-P-1010-01MRT
9	Remove charge air pressure/temperature sensor (B159).	When installing new check valve (1).	AR09.41-P-2014SB
10	Install in the reverse order.

CHARGE AIR PIPE/CHARGE AIR COOLING

Number	Designation		Engine 256.9
BA09.41-P-1010-01MRT	Screw clamp, boot to exhaust gas turbocharger	Nm	6

CHARGE AIR PIPE/CHARGE AIR COOLING

Number	Designation		Engine 256.9
BA09.41-P-1011-01MRT	Screw, check valve to chain case cover	Nm	10

REPAIR MATERIALS

Number	Designation	Order number
BR00.45-Z-1010-06A	Lubricant, rubber assembly 1 L	A 000 989 03 67