No one knows transmissions & torque converters like

Sonnax

No one knows transmissions & torque converters like 2008-sonnax-logo-white

Transmission

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Symptoms:
  • High line pressure
  • Line pressure instability
  • Lube & converter overheat issues
  • Slide & rotor failure
Cause:

A worn pressure regulator valve and/or bore.

Correction:

Improve slide stability and converter/lube control by reaming the bore and installing the oversized aluminum valve.

Tool Required

Oversized Pressure Regulator Valve Kit

Part No.

84754-46K

4T60, 4T60-E, 4T65-E

  • 84754-46k_combo

  • Oversized Pressure Regulator Valve Kit

Small_84754-46k_combo Small_84754-46k
Tool Required

Oversized Pressure Regulator Valve Kit

Part No.

84754-46K

  • Valve
  • Outer Springs (3)

Complaint:

  • High line pressure
  • Line pressure instability
  • Lube & converter overheat issues
  • Slide & rotor failure

Cause:

A worn pressure regulator valve and/or bore.


Correction:

Improve slide stability and converter/lube control by reaming the bore and installing the oversized aluminum valve.

  • Material: Steel

Valve bodies with worn pressure regulator bores can display high and/or unstable line pressure.The Sonnax oversized pressure regulator valve kit 84754-46K and tool kit 84754-TL46 salvages these valve bodies by sizing the bore and freshens the bore surface to improve hydraulic integrity to the pressure regulator oil circuit.

  • Improves slide stability by reducing decrease oil loss
  • Improves balance oil circuit to stabilize the slide
  • Salvages valve body core

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Sonnax valve body layouts provide a detailed overview of individual units making it quick and easy to determine what’s available for the specific valve body you’re working on. See all Sonnax valve body layouts.

Valve Body Layout GM 4T65-E

Sonnax

GM 4T65-E Vacuum Test Guide

Contact a Sonnax Distributor to purchase this part.