Test charge pressure · ar0940t2000b · Mercedes-Benz WIS

AR09.40-T-2000B

Test charge pressure

20.1.00

ENGINE 441.980 in MODEL 613.355

ENGINE 441.980 in MODEL 613.364 /365

ENGINE 402.970, 446.938 in MODEL 613.455

ENGINE 402.970, 446.938 in MODEL 613.485

T09.40-0023-01

Left-hand illustration

V6 engine

Right-hand illustration

V8 engine

T09.40-0024-01

	Inspecting
	A requirement for the test is that the combustion side of the engine (air cleaner, injection pump, injection nozzle) is in proper condition
1	Remove engine compartment flap, install		AR88.40-T-1100B
2	Inspect air cleaner for soiling	 Refer to Maintenance Manual
3	Connect measuring instrument for charge pressure test		AR09.40-T-2000-01B
			*BA09.20-N-1002-02G
			*442589012100
			*000589642100
4	Perform charge pressure test		AR09.40-T-2000-02B
		Charge pressure of turbocharger  If charge pressure is too low, repair or replace turbocharger. Refer to: 	*BE09.40-N-1001-01A
		Remove, install turbocharger	AR09.40-T-6020B
		Remove, install turbocharger	AR09.40-T-6020C

Inspection data of turbocharger

Number	Designation		Engine 402.970	Engine 441.980


BE09.40-N-1001-01A	Charge pressure of turbocharger	bar	0.8	0.9

 Intake manifold, intake manifold preheater

Number	Designation		Engine 402.970	Engine 441.980	Engine 446.938


BA09.20-N-1002-02G	Banjo bolt to LDA line at intake manifold	Nm	25	25	25

000 589 64 21 00

Torque wrench

Tester

442 589 01 21 00

ar0940t200001b Connect, disconnect measuring instrument for charge pressure test
ar0940t200002b Perform charge pressure test
ar0940t6020b Remove/install turbocharger
ar0940t6020c Remove/install turbocharger
ar8840t1100b Remove/install engine compartment flap