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Symptoms:

  • Some worn valve & pump bodies cannot be salvaged

Cause:

Due to the complexity of some valve or pump bodies, existing reaming processes can't be used to repair worn components.

Correction:

The Sonnax valve body reaming fixture allows for consistent reaming results, ease of use and access to bores previously unserviceable with standard bench style tool kits.

Valve Body Reaming Fixture
Part No. VB-FIX

View Instructions

In certain applications there is no way to pilot a reamer to repair a worn valve body, forcing rebuilders to purchase new ones. This patented self-aligning fixture with specially designed tool kits allows these valve bodies to be repaired. The fixture provides an external rigid pilot bore for the reamer and guide pin. The self-aligning feature allows the fixture to be used on multiple valve bodies and valve bores. The fixture base is large enough to provide ample support for the valve body.

Various transmissions locate some valve bores in the pump body rather than the valve body. These larger pump bodies do not readily fit onto the standard VB-FIX base plate. Sonnax offers an oversized pump base plate, VB-06, that allows large passenger vehicle pump bodies to be easily mounted and clamped to the VB-FIX for repair.

  • Patented, unique self-aligning device produces consistent, reliable results and eliminates the potential for reaming failures.

Special tool kits have been designed to service a specific valve train bore, and must be used in conjunction with the Valve Body Reaming Fixture VB-FIX. Part numbers for these kits begin with an "F-" to distinguish them from the traditional Sonnax tool kits that can be used as standalone tools.

  • Base Plate
  • Clamp Mounting Plate
  • Clamp Plate
  • Outer Races (2)
  • Inner Race
  • Studs (3)
  • Washers (3)
  • Wing Nuts (3)
  • Socket Cap Screws (4)

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September 01, 2005

A Universal Solution for Reaming Valve Bodies

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November 19, 2008

Reaming Instructions: If VB-FIX Required

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May 16, 2010

Transmission Report: The Art of Proper Bore Reaming

Topics: Transmission Report Newsletters Valve Body Reaming Diagnostics And Theory Rebuilding Tips Shop Practices Vacuum Testing Transmission Chrysler A727 Transmission 42RE Transmission 48RE Transmission 46RH Transmission 47RH Transmission 46RE Transmission 47RE Transmission 42RH Transmission A904 Transmission

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March 16, 2012

Transmission Report: Which Kit is Right for Your Rebuild?

Topics: Transmission Report Newsletters Rebuilding Tips Vacuum Testing Valve Body Reaming Diagnostics And Theory Transmission

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September 16, 2005

Reaming Instructions: If VB-FIX Required (Visual)

Topics: Valve Body Reaming Transmission

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July 16, 2011

Transmission Report: Hitting the Road with the Sonnax Roadshow

Topics: Transmission Report Newsletters Vacuum Testing Valve Body Reaming Diagnostics And Theory Shop Practices Rebuilding Tips Transmission

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