Removing and installing crankshaft - AR03.20-P-4351B

ENGINE 604, 605, 606 / 

Shown on engine 604 

Fig 1: Identifying Crankshaft Components

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

	Removing, installing
1	Remove engine	Engine 604, 605 in model 202 Engine 604, 605, 606 in model 210	AR01.10-P-2400HA
		Engine 605, 606 in model 124 Engine 606.961 in model 140	AR01.10-P-2400HB
		Engine 606 in model 463	AR01.10-P-2400GG
2	Remove cylinder head	Model 124, 140, 202, 210	AR01.30-P-5800HA
		Model 463	AR01.30-P-5800GG
3	Remove timing case cover	Model 124, 140, 202, 210	AR01.40-P-8000HA
		Model 463	AR01.40-P-8000GG
4	Remove end cover		AR01.40-P-8913HA
5	Remove pistons		AR03.10-P-7021B
6	Unbolt crankshaft bearing caps (2, 2a)	The crankshaft bearing caps (2,2a) are numbered consecutively, beginning with the first crankshaft bearing cap at the front ↓ Pay attention to fit
		Fit of crankshaft bearing caps	AH03.20-P-4351-02A
		Inspect bolts of crankshaft bearing caps	AR03.20-P-4351-03A
			*BE03.20-P-1001-01A  *BA03.20-P-1001-01A
		Installation:  oil the threads and bolt head contact surface of the crankshaft bearing cap bolts and tighten from the inside to the outside beginning at the fit bearing. Rotate crankshaft and check that it rotates freely.
7	Remove crankshaft (20) from crankcase	Installation:  oil bearing shells before inserting the crankshaft. The oil grooves in the thrust washers (22) and (23) should face toward the thrust collars of the crankshaft. The thrust washers (22) in the bearing cap each have two retaining lugs as an anti-twist lock.
8	Install in the reverse order

Test data of crankshaft bearing cap bolts

Number	Designation			Engine 604, 605, 606
BE03.20-P-1001-01A	Crankshaft bearing cap bolts	Thread diameter	M	11
		Length (L) when new	mm	61.8-62.2
		Max. length (L)	mm	63.8
		Fig. see		AR03.20-P-4351-03A

Crankshaft bearing caps

Number	Designation				Engine 604, 605, 606
BA03.20-P-1001-01A	Bolt of crankshaft bearing caps	M11	1st stage	Nm	55
			2nd stage	∠°	90