Wagner is the innovator in braking technologies for passenger car, mediumduty and commercial applications. The app targets the requirements needed to identify brake components. When checking brake rotor thickness, measure the rotor in about 10 different spots. Manuals print and electronic for all your auto repair manual and labor time guide needs, you can now purchase motors expansive collection exclusively through matcos nearly 2,000 distributors. If the rotor does not meet minimum thickness specifications, replace it. How to measure brake rotors wall thickness and where to. The attribute search method allows you to enter the specifications of the part youre replacing. The catalogue app exclusively developed for tmd friction uses the very latest catalogue data and offers userfriendly search options.
Rotor thickness and drum diameter if a rotor is close to or at the minimum thickness specification which is stamped on the rotor or may be found in a brake service reference book, it. Thanks to highquality raw materials and worldclass foundry and machining operations, napa premium is manufactured to exacting standards. The companys primary focus is the growth and profitability of its customers through a collaborative platform of. Weve got solid, crossdrilled, slotted, and dimpled brake rotors to meet your vehicles stopping needs.
Use a micrometer at the thinnest point on the surface of the rotor where it meets the pads to measure the minimum operational thickness. Napa proformer disc brake pads are designed to offer reliable braking performance and stack up against many competitive premium brands. Most oe rotors have have the spec cast or stamped on the rotors hat or bell. This thickness is not usually used on a daily basis, but is listed in most specification books. Multiyear brake specification coverage for domestic and imported cars, light trucks, vans, and suvs. The metallurgical changes in the rotor often cause the hard spots to return after a few thousand miles so replacing the rotor may be the best longterm fix. This level can be found engraved on the sides of the rotor, within the veins of the rotor, or on the hat of the rotor. The book says they should be either stamped or cast into the hub area. The maximum life of a disc rotor is achieved when it reaches what we call the minimum thickness. Mark each spot to keep track of where you have measured.
In fact, the only problem new pads and rotors can solve is the elimination of parts that are below specifications. One of the most frustrating ordeals lately has been trying to find the discard or machine to spec on an aftermarket rotor that has seen 40,000. If the rotor is within specifications, the rotor will spin true without wobbling outside of an imaginary plane drawn through the hub and parallel to it. A leader in our industry, we know youll be satisfied with your brake rotors when you buy from us.
The companys primary focus is the growth and profitability of its customers through a collaborative platform of quality, innovation, dedication and integrity. Brake rotors should be replaced before they reach the worn rotor minimum thickness limit, which. Brake pads should be replaced when there is 18 to 316 of friction material left on the steel backing plate. Mini cooper r56 brake pad and rotor specification checking.
Disc brake rotor minimum thickness also known as scrap thickness is the minimum safe working thickness of a rotor at which it must be replaced. As we developed the design, we discovered an added benefit. Use a micrometer and measure the brake rotor thickness 0. Disc rotor minimum thickness performance brake disc. Makes rotors reverse engineered to match the critical design features of the o. Ultimate brake guide for restoring your mustang by diy ford. One of the most difficult specs to understand is brake rotor thicknesses. Heat checks connect together and grow through drum 2. Engraved on the side of your rotor you can find the minimum operational thickness. Ebc automotive brake rotors are made from g3000 spec cast iron and full specifications and properties can be seen here. Nominal thickness is the thickness of the rotor when it is new. Disc brake rotor minimum thickness rmt is the minimum safe working thickness of a rotor. This tech article will go over measuring your brake rotors to see if they require replacing. Depending on the style you choose, youll get improved stopping with less brake fade, cooler brake temperatures, reduced warping and longer rotor life, and lightweight design.
Their coverage, together with their proven performance, make napa proformer pads the best choice for the price conscious consumer. When ordering, change the f code to any of the codes when the option shown is required. What are the minimum thickness specs for a front brake rotor. Combine the best brake service equipment with sales and marketing support for a standalone profit center for your shop. J431 g10h18 gray iron specifications for maximum brake life. Disc brake service wagner brake brake pads, brake rotors. Specifications brake rotor discard thickness autozone. The latest wagner engineering innovation provides premium braking performance for passenger cars. If rotor is not within specifications, replace it with a premium wagner eshield rotor. The rotors minimum thickness tells you the minimum operational level of your rotor.
Brake rotor refinishing do not refinish brake rotors when performing routine brake maintenance such as replacing worn disc brake pads. These brake drums are already coded b in the catalog. A common root of the problem is dtv disc thickness. Sep 22, 2015 when machining a rotor, the thickness of one friction disc to the other should be taken into consideration. Apr 23, 2015 basics of rotor run out 11 its a good idea to also clean the outer surface of the rotor hat but remember dont use anything that will remove metal or you are creating a condition where the wheels clamping force may cause a rotor parallelism or run out condition when the wheel is torqued down to specifications. Disc rotor minimum thickness performance brake disc rotors and. Napa brake pads, rotors and calipers napa auto parts. The catalogue data is automatically updated each week, no updating of the app required.
Continued operation at or below rotor minimum thickness can lead to brake system failure. On most aftermarket rotors the specifications are etched or laser inscribed on the edge of the plates. Disc rotors deliver high levels of replacement brake performance. Acdelco disc rotors are engineered to minimise brake shudder, improve thermal efficiency and reduce brake noise. All brake rotors have a minimum thickness dimension cast into them. Brake rotors galfer performance motorcycle braking systems. Add to cart add to cart add to cart add to cart customer rating. Wagner brake pads are specifically designed for different vehicle types, ages, driving habits and conditions. The minimum thickness cast into the rotor supersedes all published information. All acdelco disc rotors are balanced to ensure optimum performance on initial fitment during the machining process. Wagner brake has invested millions of dollars in equipment to produce and measure lateral runout lro, thickness variation tv, surface finish and balance that far exceed competitive brands of rotors and drum, allowing you to install them without turning, and providing less wheel vibration and reduced new brake pedal force. Honda crv 2017, drilled and slotted 1piece brake rotors by chrome brakes.
The basics of rotor runout phoenix systems brake bleeder. I need to find a brake rotor specification discard, minimum. Brake rotor thickness requirements vary by vehicle make, model and year, but the minimum allowable thickness is always cast on an unmachined surface, or alternate part, of the rotor. Most late model vehicles feature fourwheel disc brakes and brake rotors. This is a set of oemsized replacement rotors with slots and drilled holes that provide the superior level of cooling needed for high. This is the amount by which the brake rotors thickness varies if you were to measure it in several usually 46 different locations around the rotor with a micrometer. The brake rotor attaches to the hub of the vehicle. Nov 30, 2017 andrew markel visits minimum wear specification on brake rotors and how the specification is related to brake pad wear and how far the caliper has to push the pads. Brake parts inc bpi is committed to leading the global automotive aftermarket as the premier manufacturer and supplier of brake system components. Ultimate brake guide for restoring your mustang the braking system is one of the most critical areas of vehicle performance regardless of the level of restoration. How to measure brake rotors wall thickness and where to find. Makemodel year application qualifier product part number a3acura 20112009 base. Premium disc brake rotors meet the strictest physical, safety, and performance requirements.
We update this catalog monthly to ensure smooth, troublefree operation. Start selling a nationwide training and certification program offering comprehensive instruction in rotor matching for techs and service writers. Rotors play an important role in your braking system. Duralast government agencies alldata repair alldata diy autozone mx.
If it does wobble, the rotor may either need to be machined or replaced. The car must have a properly operating brake system for safety and performance. A technician must remove the wheel and use a micrometer on the rotor to measure its thickness accurately. Get helpful repair information and trustworthy advice from autozone. Brake specifications guide and brake bleed procedures 1994. Autozone stores store locator store circular instore services buy online pick up in store autozone locations. Procut has worked with engineers from the top vehicle manufacturers. Continued use of disc rotors below rmt can lead to brake system. A technician measures the brake rotor thickness with a micrometer in either thousandths of an inch or hundredths of a millimeter. To accurately measure against the minimum thickness use. When you press the brake pedal, the calipers cause the brake pads to clamp down on the rotors also called brake discs to slow the spinning wheels.
The only real numbers they give are that you should measure and record rotor thickness in 612 different points on the contact surface and you should not see more than 0. Refinish a rotor only under the following circumstances. As you choose more values, the results to the right will automatically refresh. Aug 23, 2012 one of the most frustrating ordeals lately has been trying to find the discard or machine to spec on an aftermarket rotor that has seen 40,000 miles. Runout figures above this will lead to vibration after 3000 to 4000 miles due to what we call disc thickness variation wearing a thin spot on the high point of the rotor as it runs offtrue which is not a warranty condition. Some brake drums are furnished balanced only as standard f code is not available, in the case of truck and some trailer brake drums. Brake rotor minimum thickness specification youtube. Before you buy brake pads, youll want to read this.
Matcos significant distribution network makes it easier than ever to purchase motor products. Wash all rotors including new with soap and hot water and a scrub brush, to remove oils and fine particles to prevent noise and maximize braking. The wave brake rotor design was invented by galfer in the early 90s as a solution to water and mud on brake rotor surfaces of trial competition motorcycles. I need to find a brake rotor specification discard, minimum thickness, etc.
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