Remove/install exhaust gas recirculation cooler

AR14.20-P-7665MCD

25.8.09

ENGINES 660.950 in MODEL 451.3 /4

P14.20-2239-11

1 Exhaust gas recirculation cooler

2 Snap clamp

3 Coolant return flow hose

4 Bolts

5 Snap clamp

6 Coolant feed hose

Modification notes

8.1.09

Work procedure for vehicles with diesel particulate filter added

Steps 3 and 5

 	Remove/install
1	Drain coolant		AR20.00-P-1142MCD
2	Remove exhaust gas recirculation pipe		AR14.20-P-1060MCD
3	Remove mixing chamber	On vehicles with code (474) Diesel particulate filter (closed)	AR09.20-P-1320MCE
4	Loosen snap clamp (2) and remove coolant return hose (3) from exhaust gas recirculation cooler (1)	 Installation: Replace snap clamp (2).
			*450589073700
5	Remove bolts (4)	On vehicles without code (474) Diesel particulate filter (closed)
		 Installation: Clean sealing surfaces and replace seal between exhaust gas recirculation cooler (1) and mixing chamber bottom section.
			*BA14.20-P-1002-01E
6	Remove exhaust gas recirculation cooler (1) until snap clamp (5) on coolant feed hose (6) is accessible.
7	Loosen snap clamp (5), remove coolant feed hose (6) from exhaust gas recirculation cooler (1) and remove exhaust gas recirculation cooler (1)	 Installation: Replace snap clamp (5).
			*450589073700
8	Install in the reverse order

 Exhaust gas recirculation

Number	Designation		Engine 660.950/ 951


BA14.20-P-1002-01E	Bolt, exhaust gas recirculation cooler to mixed air housing bottom section	Nm	10

Pliers

450 589 07 37 00