Suburban 1/2 Ton 2WD V8-5.3L VIN T (2004)
Pressure Regulating Solenoid: Service and Repair
Automatic Transmission - 4L80-E/4L85-E
Pressure Regulator Replacement
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Tools Required
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J 36850 Transjel
Removal Procedure
1. Raise and suitably support the vehicle. Refer to Vehicle Lifting
2. Remove the transmission filter.
Caution: Valve springs can be tightly compressed. Use care when removing retainers and plugs. Personal injury could result.
3. Remove the reverse boost valve bushing retainer ring (2).
4. Remove the following from the reverse boost valve cylinder:
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The reverse boost valve bushing
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The reverse boost valve
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The pressure regulator spring retainer
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The pressure regulator spring
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The pressure regulator valve
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The reverse boost valve bushing
Installation Procedure
