Removing and installing exhaust system complete - AR49.10-P-7000F

ENGINE 120.98 

Fig 1: Identifying Exhaust System Complete Remove/Install Components - Engine 120.98

	Remove/install
1	Remove and install bottom engine compartment paneling
2	Detach connectors for O2 sensor on the left and right (G3/3x1, G3/4x1)	by loosening union nut
3	Disconnect flange connections on exhaust pipes at front (15, 16)		*BA49.10-P-1002-01A
4	Remove bolts (1) on rear exhaust manifolds on left/right		*BA14.10-P-1002-01B
5	Remove carrier (10)
6	Remove left frame cross strut	Model 129	*BA61.10-P-1001-01A
7	Remove rubber mount (18)	Model 129 :↓
		Remove rubber mount on rear muffler	*WH58.30-Z-1001-19A
8	Remove complete exhaust system
9	Remove front exhaust pipe (15, 16) by removing bolts (1) on front exhaust manifolds on left/right	If bolts are sluggish, or thread damaged: ↓
		Replace the rivet nuts in the exhaust manifold.	AR49.10-P-5531-01DA
			Figure
			*BA14.10-P-1002-01B
	Checking
10	Check flange (5a), graphite sealing rings (5b) for reusability	Replace if necessary
	Check rubber mount (18)	Replace if necessary
11	Install in the reverse order

EXHAUST MANIFOLD

Number	Designation		Engine 120
BA14.10-P-1002-01B	Flange connection, exhaust manifold and front exhaust pipes	Nm	20

EXHAUST SYSTEM

	Number	Designation	Engine 104, 120
BA49.10-P-1002-01A	Bolt, flange connection to exhaust pipe	Nm	20

FRAME FLOOR ASSEMBLY

Number	Designation		Model 129
BA61.10-P-1001-01A	Self-locking bolt connecting rear cross strut to frame floor	Nm	120

Fig 2: Identifying Cocking Bolt (103 589 01 39 00)

COMMERCIALLY AVAILABLE TOOLS

Number	Designation
WH58.30-Z-1001-19A	Hook wrench, Firma Hazet