BOLT 4W5283 - Caterpillar

Remove bolt (18) and cap (17). Remove bolts (19) and manifold (20).
Illustration 9 g03365521
Remove O-ring seals (23) from cap (21). Remove plug (24) and plug (25) from manifold (21).
Illustration 10 g03365528
Disconnect harness assembly (26) and remove solenoid assembly (27).
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Remove relays (28).
Illustration 12 g03365547
Remove bolts (29). Remove control module (30).
Illustration 13 g03365554
Disconnect harness assembly (33). Remove cable straps (32). Remove electronic control (31).
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Remove cover (34).
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Remove expansion device (35).
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Remove filter (36).
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Remove cable straps (38), bolts (39), and bracket (37).
Illustration 18 g03366035
Disconnect harness assembly (40).
Illustration 19 g03366046
Remove bolts (41). Separate support assembly (42) from pump (43).
Illustration 20 g03366053
Remove cable straps (45) and harness assembly (44).
Illustration 21 g06003622Note: 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.
Illustration 22 g06040542
Remove bracket (48). Remove hose assembly (49).
Illustration 23 g06040545
Remove nuts (53). Remove straps (52). Remove tank (50) from support assembly (51).