WIRING GP-ENGINE 3667777 - Caterpillar

Removal Procedure
Start By:
Connect the steering frame lock.
Remove the cab.Note: There are three modulating valves on the transmission. This procedure shows the steps to remove the modulating valve on top of the transmission. The other two are located on the lower right and left sides of the transmission.
Illustration 1 g03689626
Disconnect harness assemblies (1). Disconnect hose assemblies (2). Remove bolts (4) and modulating valve (3).
Illustration 2 g03689631
Remove gasket (5).
Illustration 3 g03689635
Remove nuts (8) and (11) from modulating valve (4). Remove coils (7) and (10). Remove cartridge assemblies (6) and (9).
Illustration 4 g03689655
Illustration 5 g03689660
Remove O-ring seals (12) and (13) from cartridge assemblies (9) and (6).Installation Procedure
Install modulating valve (4) in the reverse order of removal.
Tighten cartridge assemblies (9) and (6) to a torque of 50 5 N m (37 4 lb ft).
Tighten nuts (8) and (11) to a torque of 10 1.5 N m (89 13 lb in).