Installation details of the EGR cooler on models 163.113 (612 series engine)
1 - EGR cooler; 2 - Branch pipe for connection to the tract of the cooling system; 3 - Bolts; 4 - Support bracket
1. Installation details of the EGR cooler on models 163.113 (612 series engine) shown in the illustration, which includes all references in the text.
2. Empty the cooling system (see chapter Checking the cooling system and frost resistance of the coolant, changing the fluid).
3. Remove panels of finishing of a cover of a head of cylinders.
4. Remove the fixing screws (3) and remove the support bracket (4) with branch pipe for connection to the cooling system path (2).
5. Turn out the remained fixing bolts (3), remove the EGR cooler assembly (1) from the cylinder head and separate it from the exhaust system.
6. Installation is carried out in the reverse order - do not forget to replace the sealing gasket.
7. Finally, start the engine and check the components of the exhaust system for signs of leaks.
M628
Cooler
EGR cooler installation details on models 163.128 (628 series engine)
2 - Contact connectors for electrical wiring; 3 - Lines of the cooling path; Y27/9 - Left EGR positioner; Y27/10 - Right EGR positioner
EGR cooler installation details on models 163.128 (628 series engine)
1 - EGR cooler; 4 - Bolts; 5 - Connecting node; 6 - Connecting node; A - Pull; B - pull
1. Installation details of the EGR cooler on models 163.128 (628 series engine) shown in the illustrations, which include all references in the text.
Note. EGR cooler (1) removed as an assembly by positioners (Y27/9 and Y27/10).
2. Remove the air distributor assembly (see Section Servicing Air Inlet Components).
3. Disconnect the electrical wiring connectors (2).
4. Disconnect the cooling path lines (3) from positioners (Y27/9 and 27/10) and cooler (1) EGR.
5. Pull up first (arrow A) back of cooler (1), then feed the assembly forward (arrow B) and unplug the connectors (5 and 6), - O-rings must be replaced without fail.
6. If necessary, remove from the cooler assembly (1) positioners (Y27/9 and Y27/10) (see below).
7. Install in reverse order - do not forget to replace the gasket (see below).
Positioners
Installation details of EGR positioners on models 163.128 (628 series engine)
1. Installation details of EGR positioners are shown in Ref. an illustration to which all references in the text refer.
2. Remove cooler (see above)
3. Turn out fixing bolts (1) and remove positioners (Y27/9 and Y27/10) from the assembly of the EGR cooler.
4. Installation is in reverse order - do not forget to replace the seal (2).