OTC 7853 Proportioning Valve Depressor for ABS Brake Systems

ABS Brake Proportioning Valve Depressor The proportioning valve depressor works on various GM utility vehicles, vans, and pickups fitted with Kelsey Hayes anti-lock brake systems. It also works on rear-wheel anti-lock brakes. Two depressors work best for four-wheel anti-lock systems. No. 7853 – ABS brake proportioning valve depressor.