C7.1 Industrial Engine Caterpillar

Wastegate Solenoid - Remove and Install

Usage:

C7.1 770

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Slide locking tab (3) into the unlocked position. Disconnect harness assembly (2). Slide connection for harness assembly (2) from the bracket (4).
Remove hose from inlet connection (1).
Remove inlet manifold connection (1). Refer to Disassembly and Assembly, "Throttle Valve (Intake air) - Remove" for the correct procedure.
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Illustration 2 g02162574
Remove allen head bolts (5). Make temporary mark on wastegate solenoid (6) for installation purposes. Remove wastegate solenoid (6) from inlet manifold connection (1).

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Ensure that all components of wastegate solenoid are clean and free from wear and damage. If necessary, replace the wastegate solenoid as an assembly if any of components are worn or damaged.
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Illustration 3 g02161575
Ensure that O-ring seal (7), O-ring seal (8), and O-ring seal (9) on wastegate solenoid (6) are free from damage and wear.
If the O-ring seals are damaged or worn, the wastegate solenoid should be replaced as an assembly.
Ensure that the ports in Position (X) are clean and free from restriction.
Use Tooling (A) in order to lubricate O-ring seal (7), O-ring seal (8), and O-ring seal (9) on wastegate solenoid (6).
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Illustration 4 g02162574
Install wastegate solenoid (6) to inlet manifold connection (1).
Note: Ensure that the wastegate solenoid is correctly orientated.
Install allen head bolts (5) to wastegate solenoid (6). Tighten allen head bolts (5) to a torque of 9 N·m (80 lb in).
Install inlet manifold connection (1). Refer to Disassembly and Assembly, "Throttle Valve (Intake air) - Install" for the correct procedure.
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Illustration 5 g02160936
Slide the connection for harness assembly (2) onto bracket (4). Connect harness assembly (2). Slide locking tab (3) into the locked position.
Install the hose to inlet connection (1). Tighten the hose clamp securely.