rear drum brakes dragging after replacement

The second are those caused by hydraulic problems in thesystem. If anaxle seal or wheel cylinder leaks and contaminates the brake shoe(s) itchanges the coefficient of friction. At first, you might notice a loose-feeling parking brake when you go to apply it. This valve basically allows the rear drums to apply first in the system. The majority of vehicles use the parking brake with the back wheels. The Fora platform includes forum software by XenForo. The rubber brake hose had gone bad, swelled and acted effectively like a check valve allowing fluid to go into the brake, but not back out. 1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks, The following errors occurred with your submission, Discuss the Early Eighties Bullnose Ford Truck, Pre-Power Stroke Diesel (7.3L IDI & 6.9L), Brakes, Steering, Suspension, Tires, & Wheels, 1987 - 1996 F150 & Larger F-Series Trucks, Lightning, Harley-Davidson F-150, Roush F-150 & Saleen F-150, Conventional (Bumper Pull) Towing; Travel Trailers & Pop-ups, Toy Hauler Towing; Fifth Wheel & Bumper Pull, Flatbed, Car, Boat, Utility, Horse & Misc. Current micrometers do not allow a repeatable measurement to be taken. It does this through a small sliding valve operating on spring pressure. At the same time, brake drums that have a defective lining material, are out of round, have clogged lines or hoses or loose anchor pins can also cause the brakes to drag. Here's how to tell your brake drums are bad. It should move between 1/16 and 1/8 of an inch. Your drum brakes could be heating on one side for several reasons. I use the e-brake a lot when parking on inclines, and my issue was the rear calipers just seized up and was not fully releasing when i disengaged the e-brake. This guide also shows you what a brake drum does and where to find it. Reason: "forbidden". In most vehicles, the right place to turn the adjuster is clockwise while few others are designed to work anti-clockwise. Use a torque wrench and refer to your owner's manual for the correct specification. Only thing I disagree with; Do not get the drums turned if you don't have to. Brake cleaned everything, greased everything that looked like it needed grease with good Permatex orange brake grease. Do Not Sell or Share My Personal Information -. Most of them include a defect in the brakes' internal components. The drum brakes can be found on rear wheels, because that is where the parking brake is usually located. Since you did screw the pistons back in I would say the pistons themselves are sticking in calipers. Aprime example of this are GM FWD vehicles thatare equipped with duo-servo rear drum brakes. Error type: "Forbidden". While similar to a mechanical brake drag scenario mentioned above, the piston inside the master cylinder may not be releasing. Follow the previous steps to replace the brake drum on the other rear wheel. The cylinder head gasket is one of the most over-engineered and stressed components in an internal combustion engine. A rear brake drag can be the result of a sticky pull cable for the hand brake. Come in and discuss Tacoma, 4Runner, Highlander, & TRD models.

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