OEM 2010 Chevrolet Express 3500 Brake Booster

2010 Chevrolet Express 3500 Brake Booster Parts Questions & Experts Answers

• Q: How to replace the power brake booster on 2010 Chevrolet Express 3500?

  A: A power Brake Booster replacement requires starting by applying the park brake along with blocking the wheels. The master cylinder should be removed without breaking the brake pipes and it needs heavy mechanics wire support for holding position. Check the o-ring seal of the power Brake Booster inlet hose fitting for damage then substitute it with a new one during replacement. You must detach the power Brake Booster outlet hose fitting then perform an inspection of its attached o-ring seal. Use a wrench to remove the bolt that retains both the pushrod retaining clip of the power Brake Booster. Start by disconnecting the electrical connector of the stoplamp switch before pulling out the power Brake Booster pushrod while removing the stoplamp switch. After removing the power Brake Booster nuts workers should handle the power Brake Booster followed by the power Brake Booster gasket inspection for possible replacement if there is any damage. Begin by attaching the new power Brake Booster gasket and afterward install the power Brake Booster. Fasten the power Brake Booster nuts by using 36 nm (27 lb ft) torque. Use high temperature lubricant gm p/n 12345994 (Canadian P/N 10953501) as a thin coat on the brake pedal pivot pin. Connect the stoplamp switch along with the power Brake Booster pushrod before you attach the stoplamp switch electrical connector. Place the power Brake Booster pushrod retaining clip on the brake pedal pivot pin groove before turning it 360 degrees for a complete insertion fit. Screw and tighten the power Brake Booster pushrod retaining clip bolt with a torque of 10 nm (89 lb in). The o-ring seals must be placed correctly on the power Brake Booster hose fittings before connecting and tightening the outlet hose fitting to 33 nm (24 lb ft) followed by the inlet hose fitting tightened to 33 nm (24 lb ft). The master cylinder gets installed when the power steering system bleeds correctly.