Diesel Exhaust Fluid Module - Disassemble
- Drain diesel exhaust fluid into a suitable container for storage or disposal.
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Illustration 1 g03365452 Note: Refer to Special Instruction, REHS8231, "Removal Procedures for Diesel Exhaust Fluid (DEF) Connectors" for the correct removal procedure of hose assemblies (4).
- Remove clips (1) and (5). Disconnect harness assemblies (2). Remove hose assemblies (4) and hoses (3).
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Illustration 2 g03365463 - Remove cable straps (6) and disconnect harness assembly (7).
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Illustration 3 g03365465 - Remove bolts (8), plate (9), manifold (10), and the gasket (not shown).
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Illustration 4 g03365468 - Remove bolts (11).
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Illustration 5 g03365475 - Remove bolt (12).
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Illustration 6 g03365477 - Remove bolts (13) and pump assembly (14).
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Illustration 7 g03365493 - Remove bolts (15) and bracket (16) from the tank .
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Illustration 8 g03365514 - Remove bolt (18) and cap (17). Remove bolts (19) and manifold (20).
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Illustration 9 g03365521 - Remove O-ring seals (23) from cap (21). Remove plug (24) and plug (25) from manifold (21).
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Illustration 10 g03365528 - Disconnect harness assembly (26) and remove solenoid assembly (27).
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Illustration 11 g03365540 - Remove relays (28).
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Illustration 12 g03365547 - Remove bolts (29). Remove control module (30).
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Illustration 13 g03365554 - Disconnect harness assembly (33). Remove cable straps (32). Remove electronic control (31).
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Illustration 14 g03383608 - Remove cover (34).
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Illustration 15 g03383609 - Remove expansion device (35).
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Illustration 16 g03383610 - Remove filter (36).
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Illustration 17 g03366015 - Remove cable straps (38), bolts (39), and bracket (37).
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Illustration 18 g03366035 - Disconnect harness assembly (40).
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Illustration 19 g03366046 - Remove bolts (41). Separate support assembly (42) from pump (43).
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Illustration 20 g03366053 - Remove cable straps (45) and harness assembly (44).
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Illustration 21 g06003622 Note: Place identification marks on DEF pump coolant connectors (46) and DEF pump connectors (47) for installation purposes. DEF pump coolant connectors (46) and DEF pump connectors (47) are not interchangeable.
- Remove DEF pump coolant connectors (46) and DEF pump connectors (47) . Remove the O-ring seals.
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Illustration 22 g06040542 - Remove bracket (48). Remove hose assembly (49).
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Illustration 23 g06040545 - Remove nuts (53). Remove straps (52). Remove tank (50) from support assembly (51).
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| NOTICE |
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|
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat® products. Dispose of all fluids according to local regulations and mandates. |
Caterpillar Information System:
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