Instructions
Blue
.250
Ball
Relief Bushing
Spring
Retainer
= 10 Check balls
Remove and Measure original PR Valve’s inner land.
If it measures .303” proceed to Step 3.
If it measures .314” Stop! It’s a Gen 1 VB and this kit does not t.
Step 3.
If original PR measured .303” discard original Pressure Regulator valve and spring
Install New Pressure Regulator Valve, New Green Spring, original end plug and retainer.
Pressure Regulator
Green
Re-use
Main Body Repairs (Front Side)
Discard Original Isolator Valve
Step 1.
Remove and discard original Isolator retainer, plug, valve
and spring. Locate New Relief bushing. Insert New .250
ball rst, then New Blue spring into relief bushing. Now
insert relief assembly into VB Isolator bore. Insert bush-
ing far enough to install new spring retainer into outer
groove of bushing. Trans is now protected from over-
boost cross leaks! Protects expensive hard parts!
Page 2
©TransGo 2019
Step 2.
All OE Gen 2 PR Valves should measure .303”
Never use this new valve in any other bore size
The new TransGo Gen 2 PR Valve has a posive
internal balance circuit drilled thru the valve for
faster and smother regulaon, it also has extended
lands that seal in unused porons of the bore.
02/12/21