Replace heating water valve · sm2000p0005b · Mercedes-Benz WIS

SM20.00-P-0005B

Replace heating water valve

12.5.11

ENGINES 276 in MODEL 172

ENGINES 276 in MODEL 221

ENGINES 278 in MODEL 216, 221

P20.00-2411-04

1 Heating water valve

Operation no. of operation texts or standard texts and flat rates

Category	Op. no.	Operation text	Time	Acc. no.	Code
P	025682	Replace heating water valve

	List of affected vehicles	Model 172 from WDD1724571F000192 to WDD1724571F000289	SM20.00-P-0005-01BAC
		Model 216 from WDD2163731A026246 to WDD2163941A026414	SM20.00-P-0005-01BAA
		Model 221 from WDD2210571A367475 to WDD2211571A367530	SM20.00-P-0005-01BAB
 	Remove/install
1	Remove vacuum pump	Model 172	AR43.05-P-1320W
		Model 216/221 with engine 157, 278	AR43.05-P-1320MMB
		Model 221 with engine 276	AR43.05-P-1320MMA
2	Drain coolant	Model 172	AR20.00-P-1142W
		Model 216, 221	AR20.00-P-1142MM
3	Remove/install/replace heating water valve (1)	 Valve is mounted behind the vacuum pump on the cylinder head.
4	Pour in coolant	Model 172	AR20.00-P-1142W
		Model 216, 221	AR20.00-P-1142MM
		Mixture ratio for coolant	*BF20.00-P-1001-04A
5	Install in the reverse order

 Mixture ratio for coolant

Number	Designation			ENGINE all


BF20.00-P-1001-04A	Mixture ratio for coolant	Antifreeze/water	Up to -37°C	50/50
			up to -45°C	55/45
		Specifications for service products	Sheet	BB00.40-P-0310-01A
			Sheet	BB00.40-P-0325-00A

Parts ordering notes

Part no.	Designation	Quantity
	 Small parts such as stop nuts, sealing rings, cable ties, fluid etc. are no shown in the parts listing. The required small parts are taken into account in the cost framework
A 276 200 09 31 05	Heating water valve M 276	1
A 278 200 08 31 05	Heating water valve M 278	1
A 000 989 08 25 10	Coolant	1