Remove/Install Throttle Valve Actuator - AR07.51-P-1401RKA

Engine 276.8 in model 172 

Engine 276.8 in model 231 

Shown on engine 276.8 in model 231 

Fig 1: Throttle Valve Actuator Components Location - Engine 276.8 In Model 172 (Shown In Model 231)

Courtesy of MERCEDES-BENZ USA

	Notes on avoiding damage through contamination and foreign objects		AH00.00-P-5000-01A
	Remove/install
1	Remove upper engine cover
2	Detach left charge air pipe from left ATL		AR09.41-P-1311RKA
3	Detach right charge air pipe from right ATL		AR09.41-P-1311RKA
4	Detach charge air cooler and place to one side with coolant hoses still connected		AR09.41-P-6819RKA
5	Unclip electrical line on throttle valve actuator (4)
6	Release and disconnect electrical connection (5)
7	Remove screw/bolt (3)	Bolt, air duct housing and throttle valve actuator to air intake pipe	*BA09.20-P-1004-01T
8	Take throttle valve actuator (4) out of the engine compartment	: Replace seal.
9	Install in the reverse order
10	Read out fault memory using the diagnostic system and clear if necessary
			AD00.00-P-2000-04A
11	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. Carry out an engine test run, checking the engine for proper operation and leak tightness	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