Do you bleed brake shoes?
Bleeding your drum brakes is the same process as with disc brakes. Start with the wheel that’s furthest away from the car’s master cylinder and work towards it. During this time, brake fluid will come out of the bleeder. Once the fluid stops leaking, you can close the bleeder and have your helper release the pedal.
Can You Bleed the brakes on a GM car?
Bleeding the brake system after changing the brakes can be hard on some anti-lock braking systems. The good news is that on some GM vehicles, a scan tool isn’t needed to bleed ABS brakes. A scan tool is only needed with a DBC-7 anti-lock braking system, and then only if air entered the ABS modulator during brake …
How to bleed GM ABS brakes with scan tool?
Scan Tool. 1 Step 1. Attach a pressure bleeder to the master cylinder reservoir and turn the ignition key to the On position. Pressurize the system to 35 pounds 2 Step 2. 3 Step 3.
What happens when you bleed the brake pedal?
Bleed the brake on the opposite end next (the left front if you started with the right front). Test the brake pedal after all the brakes are bled. Once you are certain of a firm pedal, drive the vehicle at more than three miles per hour so the controller can automatically reset the system.
Is there a problem with my Silverado brakes?
Im having a problem with my brakes on my 2008 Chevy Silverado 4×4. I repaced my pads, shoes, drums (one was below specs so I replaced both) and rotors (aftermarket under warranty. Easier to replace for “free”than to have them turned).
What should I do if my GM brakes are bleeding?
The modulator motor pack, isolation solenoid valves, gear cover and individual gears are all serviceable parts and can be replaced separately. The brakes on GM cars equipped with Delco ABS-VI may be bled using manual, vacuum or pressure bleeding. The usual bleeding sequence is right rear, left rear, right front, left front.
What causes the brake lines to bleed on a Chevy?
Bleed the brake lines as recommended by Chevy to fix this. You could also have a ballooning brake hose when the brakes are applied. Check your brake hoses for anomalies. Excessive Brake Travel: If the brake linings are worn, the drum brakes are misadjusted or the brake lines have air in them, you will have this issue.
Why are the brakes soft on my Chevy Silverado?
Air trapped in the lines, calipers or wheel cylinders will make the pedal feel soft and spongy. Air is compressible, so when the brakes are applied any air bubbles in the system must first be compressed before the hydraulic fluid will transmit pressure to apply the brakes.
Is there a bleeder valve for ABS brakes?
The modulator assembly uses solenoids for each brake circuit, but there are no special bleeder valves or special scan tool bleed procedure. So the brakes can be bled conventionally. The sequence if right rear, left rear, right front and left front.