Question about 2001 Chevrolet Silverado 1500

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I replaced the rear brake pads , calipers, and brake hoses on my 2001 Sliverado Ext. Cab truck and now my brake pedal goes all the way to the floor;when the brakes are applied.

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When you changed the hoses, it introduced air into the system. This can take some time and effort to get it all out, but as long as it is there, it will make your pedal mush like it does. Air compresses, but the hydraulic fluid does not, which is why we use it for this application. A good way to effectively bleed the air out, is to loosen the bleeder screw, attach a piece of clear tubing on the bleeder valve, leading into a plastic or paper cup full of brake fluid. Start the truck, slowly depress the brake pedal a couple of times, and release it slowly. Check the fluid level in both the reservoir and the cup, ensure that the end of the hose STAYS submerged in the fluid. This way, it won't draw air back into it. Once you've done this a couple of times, tighten the bleeder valve again, and move to the other side. You may need to do a couple of rounds with it, as air likes to run around a bit in the lines. You will know you are getting close when the pedal starts to firm up when you have the bleeder valves closed. The first guy that posted was right; he did not deserve the bad rating for being right.

Posted on Nov 22, 2009

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Make sure u spend enough time bleeding brakes sounds like u still have air in the system

Posted on Nov 15, 2009

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2001 Silverado 2500 HD Why Rear brakes don't work after I installed new hydro-boost power booster, master cylinder, calipers, and pads. I bled master cylinder before installing, and brakes beginn


Hello Patricia,

Have you checked the master brake cylinder reservoir for brake fluid loss?

I don't suspect the master cylinder as you have replaced it... but am more suspect of a leaking brake line or fitting which should have
been discovered when you had the system bled.

The only time I ever had a rear brake problem with a 2500 series Chevrolet was due to seized rear brake caliper guide pins...as your calipers are also new that is not your problem.

If your brake pedal feels spongy and travels to the floor board you have air in the system, a brake fluid leak or a failure in the power steering system, such as a broken hose, broken power steering pump drive belt, or failed pump, would result in a loss of pressure to both the hydro-boost and steering.

Find more information here:

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For front brake pads replacement you need only usually wrench set, inclusive 7 mm allen key also. But for rear brake pads replacement you need obligatory a special caliper piston pressing tool, in order to press back rear caliper piston with parking brake automatic adjustment!!! For front brake pads. First you must verify yours front brake disc diameter: 280 mm or 288 mm. (On my car y have 288 mm). After that you can buy the brake pads (with wear sensor). For change front brake pads you must raise vehicle, remove wheels, extract the retaining spring of the caliper, and remove the caliper as follow: 1. Do not disconnect the brake hose from the caliper, and do not allow the caliper to hang by the brake hose! 2. Remove top and bottom caps (on back side of the caliper) for access to guide pins, then unbolt and remove them from the brake carrier. Remove the caliper. 3. Now you must thoroughly clean the brake calipers (free of grease). 4. Remove outer brake pad from brake carrier. 5. Pull inner brake pad out of brake caliper piston. 6. Check up the brake fluid level on the reservor, and emptying if neccessary! 7. Push piston back into brake caliper housing. 8. Install inner brake pad (with expanding spring) in brake caliper piston. (Arrow marked on pad - if exist, must point in direction of brake disc rotation when vehicle is moving forward). 9. Install outer brake pad into brake carrier. 10. Bolt brake caliper housing to brake carrier using two guide pins. Tightening torque is 25 Nm. 11. Install both caps. 12. Insert retaining spring into brake caliper housing. Important: Depress the brake pedal firmly several times while the car is stationary so that the brake pads adjust to their normal operating positions!!! Check brake fluid level and top up if neccessary!!!

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2001 silverado 1500, just put on new pads rotors and 1 new caliper, the brakes are spungy, the wheel with the new caliper is sticking and the front passanger brake too, i cant figure out why.


Replace both front brake hoses.....they collapse on the inside and will not allow fluid to retract...caliper was probobly fine.....this happens a lot....good luck...Lee

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1 Answer

How to change rear brake pads


Raise the rear of the vehicle and make sure it is securely supported. Remove the rear wheel Remove the brake hose (A) from the suspension arm by removing the brake hose clip (B).Thoroughly clean the outside of the caliper to prevent dust and dirt from entering inside.Support the caliper with a piece of wire so that it does not hang from the brake se.f2d9a24.jpg
Remove the two guide rods (C) and caliper (D) from the bracket. Remove the pad shim (A) and brake pads (B).77fcb0a.jpg

Remove the pad retainers.2884b28.jpg
Clean the caliper thoroughly; remove any rust, and check for grooves and cracks. Check the brake disc for damage and cracks. Install the pad retainers. Check the foreign material at the pad shim (A) and the back of the pads (B). Contaminated brake discs or pads reduce stopping ability. Keep grease off the discs and pads.3fdca95.jpg
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Removal & Installation
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