Minimum brake rotor thickness chart

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. A technician must remove the wheel and use a micrometer on the rotor to measure its thickness accurately. Rotate the brake rotor and note the amount of runout by reading the dial indicator. If rotor thickness is within specification, use an approved on-car brake lathe and machine the brake rotor.

The specified minimum thickness is the absolute minimum below which the disc may not be used anymore. DISC ROTOR As with all safety related components which are subject to high rates of wear, disc rotors have a maximum safe life. The maximum life of a disc rotor is achieved when it reaches what we call the “ minimum thickness ”. Disc brake rotor minimum thickness (RMT) is the minimum safe working thickness of a rotor. All brake rotors have a minimum thickness dimension cast into them.

This dimension is the minimum wear dimension and not a refinish dimension. Important Do not use a brake rotor that, after refinishing, will not meet the specifications shown on the rotor. Always replace the rotor with a new rotor.

Consequently, the rotors may be worn down to minimum thickness specifications (which is usually marked on the casting itself) by the time the first set of brake pads need to be replaced — or even sooner in some cases. Need min specs for front and rear rotors. Answered by a verified Chevy Mechanic. AutoZone Repair Guide for your Brakes Specifications Specifications. Because disc brake pads and rotors are vehicle parts that will wear down, it is important to inspect and replace these items when necessary.

Anyone know the minimum rotor thickness for these trucks? MOTOR Light Duty Specifications and Quick Reference guides. Brake specifications, lubrication guides, transmission fluids, tire pressure.

As long as you are above the minimum thickness and the rotor is straight, (and without surface defects) using the rotor is not dangerous. The minimun thickness is stamped on the inside of the rotor.

I agree, if the rotors have 130miles, then they are toast - but replacing rotors with each pad change may be excessive. Today my wife took her car in for a state inspection. Minimum lining thickness. The dealer told her that all rotors and all brake pads need to be replace for the sum of $880! Smelling a rat, I pulled all wheels tonight and disassembled the brake pads.

Rotors should be inspected whenever the tire is remove and in most cases visually, without having to remove the tire. When checking brake rotor thickness , measure rotor in about different spots, mark each spot to keep track of where you have measured. If rotor does not meet minimum thickness then replace, remember to always replace brake rotors in pairs. If your brake rotor passes thickness but you have a pulsation while using brakes, replace brake rotors. The thickness requirements are at least 6. If air brakes are use the minimum thickness is 3. If hydraulic disc, drum or electric brakes are use the minimum thickness is 1. 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 Rotor - Incorrect Discard Thickness Specification Article No. The nominal thickness is 22mm and minimum is 19mm. In most cases the rotors on these cars wear very little.

They are prone to develop thickness variation which causes vibration. Improve Stopping Power, Improve Safety. Download this image for free in HD resolution the choice download button below.

Rotor thickness varies on this model depending on option packages but for the most part the minimum thickness is cast into the rear side of the rotor where it mounts to the hub. It should be very visible. If the rotor is not more than 1-1.

Whats the minimum thickness on brake rotors before you need to change them? What is the legal minimum thickness of a ford F 1rotor ? Maximum diameter is stamped on drums. On my way into work today I smelled burning brakes.

I slowed to a stop and the wheel cranked hard right. Needless to say I turned around. MIN) and some number after it the will be the minimum spec thickness for the brake.

The rear rotors are integrated with the parking brake drums. To withstand the mechanical and thermal stresses of braking, brake rotors are required to be replaced if they are worn thinner than a certain minimum thickness. This minimum thickness is stamped on the edge of the rotor.

ON most disc rotors the minimum thickness is cast into the body of the rotor and will read min thickness and a dimension. The dimension is also available in the workshop manuals and from the service department of your vehicle. It is usually on the inside hub. The Vuses slightly larger rotors and I believe they will also be thicker.

Solid front rotors - minimum thickness ? The universal opinion seems to be warped front rotors. I can get them turned for $13. I agree, you should only be concerned with the minimum thickness. According to the service manual, the minimum thickness for the Altima front rotors is 22mm. A brake rotor has a specified minimum thickness.

Normal braking action can cause wearing of the rotor surfaces.