Remove/install oil-water heat exchanger · ar1830b6840b · Mercedes-Benz WIS

AR18.30-B-6840B

Remove/install oil-water heat exchanger

12.02.16

Cumbustion engine 475 with Vehicle 695.034, 695.051

Cumbustion engine 476 with Vehicle 695.024, 695.052

B18.30-0012-11

1 Oil filter safety valve body

2 Sealing ring

3 Spring

4 Valve's piston

5 Plug

6 Sealing ring

7 Bolt

8 Elastic washer

9 Coolant draining plug

10 Sealing ring

11 Bolt

12 Elastic washer

13 Housing (oil filter head)

14 Inter cooler

15 Intercooler's joints

16 Gasket

B18.30-0005-01

A Tightening sequence of the housing joint (oil filter's head)

	Remove and install
1	Remove the turbocharger.	 For the engines OM 447.	AR09.40-B-6020A
		 For the engines OM 449 remove the exhaust manifold together with the turbocharger.	AR14.10-B-3915H
2	Remove the oil filter.		AR18.20-B-3471E
3	Remove the coolant draining plug (9).		*BA18.30-B-1001-01C
4	Remove the safety valve.		AR18.20-B-5050C
5	Unscrew the bolts (11) and remove the housing (13).	 Tighten the housing bolts following the sequence indicated in the picture (A), and re-tighten after having covered approximately 1000 KM.
			*BA18.30-B-1003-01C
6	Remove the gasket (16).
7	Unfasten the bolts (7) and remove the inter-cooler (14).		*BA18.30-B-1004-01C
8	Remove the joints (15).
9	Install in the reverse order.	 Install: Use only new joints at the assembly and put a layer of grease (the gasket's graphite coated side must face the engine block side).
		 Install: Clean the gasket's seating surfaces at the housing, block and intercooler's flanges.

Oil cooling

Número	Denominação		Engine 475.9; 476.9


BA18.30-B-1001-01C	Water draining plug in the filter head	Nm	50
BA18.30-B-1003-01C	Filter head to the engine block	Nm	70
BA18.30-B-1004-01C	Oil radiator to the filter head	Nm	25