Start Your Rebuild RIGHT by Vacuum Testing

Properly diagnosing bore wear by vacuum testing valve bodies means no wasted time and money on repairs that aren't needed or aren't working. It's an ideal technique for preventing comebacks and improving the efficiency of your operations.

Quick & Easy - It doesn’t take long to become skilled at rapidly testing multiple areas.
Quantitative - Tests return a specific value that lets you establish pass/fail standards for each bore.
Reliable - Test results are accurate and repeatable when routine procedures are followed.
Economical - Vacuum testing equipment has a low initial cost to set up and is low maintenance.

Watch Vacuum Test Video Series

Learn how easy it is to put vacuum testing to work in your shop by watching these three instructional videos presented by Sonnax Tech Specialist Jim Dial.

1. What is Vacuum Testing? Video

What are the benefits of vacuum testing?
How does valve body wear lead to transmission problems?
What does vacuum testing tell you about a valve body?
How to get started vacuum testing

2. Vacuum Test Stand Setup & Calibration Video

Discover the basic equipment necessary for vacuum testing
How to set up the Sonnax vacuum test stand kit
How to calibrate the test stand before beginning to vacuum test

3. How to Vacuum Test Video

Learn proper usage of Sonnax vacuum test stand kit components.
How to use Sonnax vacuum test guides
How to establish pass/fail standards aligned with customer’s needs and shop warranty requirements

Learn Everything You Need to Know About Vacuum Testing

Sonnax experts share full details and recommendations on how to master vacuum testing.

This article has also been translated into Russian and Spanish:

FREE Vacuum Test Guides

Learn Locations to Test for 38+ Units
Identify Common Transmission Problems
Select Parts for Repairs

First you test the valve body, then you evaluate the results against your own pass/fail standards to determine if repairs are needed. Every shop will have different customers and warranty requirements, and recording results allows you to calculate an average vacuum reading for each bore, then establish a minimum vacuum standard that fits your needs.

Get Guides

Evaluating test results requires establishing your own pass/fail standards in line with your customer's needs and shop warranty requirements.

Print or download your FREE Sonnax vacuum test data sheet to get started!

Vacuum Test Stand Kit

Part No. VACTEST-01K

Quick & Easy Setup
Accurate, Repeatable Tests
Guaranteed Sonnax Quality

Start your rebuild right with the Sonnax vacuum test stand kit. It’s essential equipment for accurate, repeatable diagnosis of valve bore wear, and verifying the effectiveness of repairs.

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Vacuum Test Plates

Find Valve Body Problems 2X Faster

Each plate seals over the ENTIRE valve body, leaving ports open at key test areas. Easy-to-follow instruction guides identify valves, symptoms of wear and the right Sonnax parts for repair.

Makes	Unit(s)	Replacement Seals
Allison	1000/2000/2400	37000-VTP-MS 37000-VTP-SS
Ford	5R55S, 5R55W	56947J-VTP-S
Ford	4R70E, 4R70W, 4R75E, 4R75W, AODE	76948-VTP-S
Ford, GM	6F35 (Gen. 1), 6F35 (Gen. 2), 6T30 (Gen. 1), 6T40 (Gen. 1), 6T45 (Gen.1), 6T50 (Gen. 1)	144740-VTP-S
Ford, GM	6F50, 6F55, 6T70 (Gen. 1), 6T70 (Gen. 2), 6T75 (Gen. 1), 6T75 (Gen. 2)	124740-VTP-SL 124740-VTP-SU
Ford, ZF	6R60, 6R80, ZF6HP19, ZF6HP26, ZF6HP32	95740-VTP1-SU 95740-VTP1-SL
GM	4L80-E, 4L85-E	34994-VTP-S
GM	6L45, 6L50, 6L80, 6L90	104740-VTP-SU 104740-VTP-SL
GM	4T65-E	84754-VTP-S
GM	4L60-E, 4L65-E, 4L70-E	77754-VTP-S
Toyota/Lexus	U660E, U660F, U760E, U760F	47740-VTP-SM 47740-VTP-SU

Accessories & Replacement Parts

ZF Solenoid Test Manifold Kit Part No. 95430-VTK

Take the Guesswork Out of Replacing Solenoids

This one-of-a-kind test kit is a quick, easy and affordable way to verify the internal sealing integrity of ZF6 Gen. 1 and Gen. 2 solenoids. Ford 6R60/75/80 solenoids also can be tested.

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Test Stand Kit Replacement Parts

A tight seal on every piece of equipment is critical when vacuum testing. These parts replace lost or worn-out components from the Sonnax test stand kit.