April 06, 2022
Diagnosing the Infamous GM 8L45, 8L90 3-4 Neutral: Check Your Solenoid Wiring Harness Assembly
Jim Mobley
8L45, 8L90
Bore Sizing Tool
Part No. 154740-BST13
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Sonnax bore sizing tool 154740-BST13 smooths and deburrs clutch control valve bores and may be needed to ensure proper clearance and function of Sonnax S1/S5 clutch control valve kit 154740-13K.
