Why do brakes need to be replaced in the first place?

Friction material on the brake pad contacts the rotors to slow the vehicle. In time, that material wears away and the pads must be replaced. Sometimes the rotors and calipers must also be replaced.

What’s the squealing sound I hear when braking?

Over time, wear indicators in brake pads may contact the rotors’ surface when braking, resulting in a metallic squealing sound. Vehicles equipped with wear sensors may also provide an alert that minimum brake pad thickness has been reached.

What if it’s more of a grinding sound?

If all the friction material has been worn away, the metal backing plate of the brake pad will be the material in contact with the rotor during braking. It causes a grinding sound and braking performance is often diminished.

Why do the brakes seem to pulsate when stopping?

It may be due to worn brake pads, unevenly worn rotors or unevenly worn tires. Have the pulsation diagnosed as soon as possible to avoid the possibility of greater brake system wear or damage.

What about vibrations or shaking in the steering wheel?

This is more serious than pulsation. If the brakes are very worn or the rotors are unevenly worn, there can be a significant vibration or shaking in the steering wheel when braking. It may mean brake service is needed immediately.

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ACDelco 12559760 GM Original Equipment Power Brake Booster Vacuum Hose Connector

Product ID: 485376673

Details

Brand
GM GENUINE
Color
Black with
Connector Type
Booster
Exterior Finish
Machined
Item Weight
4.54 g
Item dimensions L x W x H
2.7 x 1.4 x 1

$27.47

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Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Specifications

ASIN	B00H92G632
Best Sellers Rank	#80,927 in Automotive ( See Top 100 in Automotive ) #1,100 in Automotive Replacement Brake System Parts
Brand	GM GENUINE PARTS
Brand Name	GM GENUINE PARTS
Color	Black with Machined Metal
Connector Type	Booster
Customer Reviews	4.7 out of 5 stars 443 Reviews
Exterior Finish	Machined
Global Trade Identification Number	00808709013891
Included Components	Power Brake Booster Vacuum Hose Connector
Item Dimensions	2.7 x 1.4 x 1 inches
Item Type Name	Power Brake Booster Vacuum Hose Connector
Item Weight	4.54 g
Item dimensions L x W x H	2.7 x 1.4 x 1 inches
Manufacturer	ACDelco
Manufacturer Part Number	12559760
Manufacturer Warranty Description	24 Month / Unlimited Mile Limited Warranty on parts sold on or after 04/01/18. (Parts Only) Please see ACDelco.com for more details.
Material	Alloy Steel , Stainless Steel
Material Type	Alloy Steel, Stainless Steel
Model Number	12559760
Number of Packs	1
Number of Pieces	1
Size	2.7 inches
Thread Type	NPT
UPC	808709013891
Unit Count	1 Count

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$27.47

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to USA.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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ACDelco 12559760 GM Original Equipment Power Brake Booster Vacuum Hose Connector

Details

Details

Description

Specifications

Common Questions