cars.shop.askjot.com Parts & Accessories. Cars (US) » Parts & Accessories » Workhorse Parts Accessories For Workhorse P32 99-05 Centric 142.83003 Posi Quiet Loaded Rear Brake Caliper (Fits: Workhorse P32) 5 out of 5 stars (1) 1 product ratings - For Workhorse P32 99-05 Centric 142.83003 Posi Quiet Loaded Rear Brake Caliper
Dec 03, 2008 · Hydro-boost power assist was introduced in 1973 by Bendix as an alternative to the vacuum booster. The hydro-boost uses the hydraulic pressure from the power steering system to provide the driver assist in applying the brakes. There are three reasons why a vehicle may be equipped with hydro-boost instead of a vacuum booster: 1.