How to adjust rear drum break on Chevy Silverado?
Depress the clip with the screwdriver away from the star wheel and use the brake spoon adjuster (or another straight-edge screwdriver) to turn the star wheel in one direction. Spin the drum by hand. If the tension is increasing, you’re going the right way to adjust the brake shoes.
What is the assembly sequence for a GM drum brake?
Drum brake assembly Assembly sequence for a “typical” GM drum brake 1966 GM half-ton pickup (Delco Shown, Bendix similar) The parts pile, excl. park lever and pushrods. NOTE: colors are random paints I had on hand. Not “color-coded”. Self adjuster (SA arm) group Adjuster wheel group Where it all goes Park brake lever on the cable
How do I adjust the drum brake on my car?
To confirm your brakes are in good working order before you adjust them, check your vehicle for symptoms of a bad or failing drum brake. This article covers the adjustment process for drum brakes of the star wheel type. Step 1: Lift the rear end of the vehicle. Make sure the vehicle is in park and that the parking brake is set.
Can a four wheel disc brake be adjusted?
Some vehicle with four-wheel disc brakes still use a drum brake inside the rear rotors that acts as the parking brake. These drum brake systems need adjustment, too, and in fact a parking brake that is too far out of adjustment can fail a state vehicle inspection. Adjusting drum brakes correctly can be an art. Making the adjustments is pretty easy.
Can a out of round brake drum cause one wheel lockup?
An out of round brake drum or drums that vary in diameter too much from side to side could cause a one wheel lockup condition (Figure 61.8). Measuring drum runout or out of roundness is not easy in the field. Current micrometers do not allow a repeatable measurement to be taken.
To confirm your brakes are in good working order before you adjust them, check your vehicle for symptoms of a bad or failing drum brake. This article covers the adjustment process for drum brakes of the star wheel type. Step 1: Lift the rear end of the vehicle. Make sure the vehicle is in park and that the parking brake is set.
Some vehicle with four-wheel disc brakes still use a drum brake inside the rear rotors that acts as the parking brake. These drum brake systems need adjustment, too, and in fact a parking brake that is too far out of adjustment can fail a state vehicle inspection. Adjusting drum brakes correctly can be an art. Making the adjustments is pretty easy.
What causes rear wheel lockup on Phoenix brakes?
The shoe lands or “bosses” are an often overlooked item when looking for the cause of a rear wheel lockup condition. The shoe lands keep the brake shoes square with the drum and provide a friction surface for the shoes to move against. Over time the bosses can become grooved and corroded as in Figure 61.6.