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Removal and installation of the EGR cooler
Diesel models Models 463.323 (M612) Details of installation of the EGR cooler models 463.323 (1 of 2) Details of installation of the EGR cooler models 463.323 (2 of 2)
| - Drain the cooling system (see chap. Current care and maintenance).
- Remove the trim panel of the cylinder head cover.
- Disconnect hoses cooling path (1, 2 and 3).
- Disconnect vacuum line (4), take it with a fixing clamp to the side and remove the cover (5).
- Loosen the bolt (8) on the bracket (9), unscrew the bolt (10) and disconnect from the cooler (7) fuel heating device (6).
- Remove banjo bolt couplings (11) securing the fuel return line (12) to the fuel line.
- Remove the bolts (13) the bracket (14) and the cooler (7). Remove the bracket (14).
- Otboltite from the cylinder head and the exhaust system (16) and remove the cooler (7).
- Installation is performed in reverse order - do not forget to replace the sealing elements.
- Finally, check the components of the power and cooling of the engine for signs of leaks.
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Models 463.333 (M628) Details of installation of the EGR cooler models 463.333 (1 of 2) Details of installation of the EGR cooler models 463.333 (2 of 2)  | | |
| - Remove protection crankcase.
- Drain the cooling system (see chap. Current care and maintenance).
- Remove the air cleaner (see. Section Service Component inlet air path).
- Remove the right air intake duct (13) (see. Section Service Component inlet air path).
- Remove the oil filler cap trim (14).
- Remove the fuel filter (1), - the filter must be replaced without fail.
- Remove the left and right air intakes complete with sensors MAF (see. Section Service Component inlet air path).
- Remove the throttle actuator assembly with the upper airways (10) (see. Section Service Component inlet air path).
- Remove the valve assembly (see. Section Removal and installation of the valve assembly).
- Remove positioner EGR (see. Section Removal and installation of positioners EGR).
- Remove the bolts (2a and 2c), and remove the right connecting pipe (2). Prepare replacement gaskets (2b).
- Remove the screws (3a, 3c and 3d) and remove the top half of the right-hand section of the diffuser (3). Prepare replacement gaskets (3b).
- Remove the bolts (4a, 4c and 4d) and remove the upper half of the left-hand section of the diffuser (4). Prepare replacement gaskets (4b).
- Disconnect the vacuum hose from the vacuum units (9) off the left and right intake ports.
- Remove the bolt (7) and assembly otboltite vacuum blocks (9) light-off of the left inlet port of the diffuser.
- First, pull up the back side (A) cooler EGR (8), and then post it back toward the front (B) and remove the cooler (7) with connecting pipes (11 and 12). If necessary, prepare the removable sealing ring.
- Installation is in the reverse order.
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