To read tire sidewall codes, break the markings into separate sections: tire type, width, aspect ratio, construction, wheel diameter, load index, speed rating, manufacture date, and safety information. For example, P215/65R17 95H identifies a passenger tire that is 215 millimeters wide, has a 65-series sidewall, fits a 17-inch wheel, carries a 95 load index, and…
For most Ford F-250 repairs, use jack stands rated at least 6 tons per pair, with enough height to support the truck’s frame or designated axle points. Choose the stand by its individual rating, height range, saddle shape, and the portion of the truck’s weight it will actually carry—not by the “three-quarter-ton” label alone. A…
A hydraulic jack is filled through its oil filler plug, usually after the jack is fully lowered and placed on a level surface. Remove the plug, add the correct hydraulic jack oil until it reaches the bottom of the filler opening, then reinstall the plug and bleed trapped air before testing the lift. The job…
No—motor oil is generally not the right fluid for a floor jack. Use the hydraulic jack oil specified by the manufacturer, or the correct equivalent identified in the owner’s manual. A low floor jack may still lift after someone adds motor oil, but that does not make the substitution safe or suitable. Floor jacks rely…
Do not jack a car on an incline unless moving it to level ground is impossible; a sloped surface greatly increases the chance that the vehicle or jack will shift. If an emergency makes lifting unavoidable, use the lowest-risk setup possible, follow the vehicle and jack instructions, and never work beneath a car supported only…
The tire date code is the final four digits of the Department of Transportation (DOT) Tire Identification Number (TIN). The first two digits show the manufacturing week, and the last two show the year, so “3522” means the tire was made during the 35th week of 2022. A tire may look acceptable while its rubber…
You can lift a car without jack stands for limited tasks, but a floor jack alone is not a safe support system. Use a properly rated alternative such as vehicle ramps, certified wheel cribs, or a professional lift—and never place any part of your body under a vehicle supported only by a jack. The practical…
If a hydraulic jack lowers normally but will not lift its rated load, adding the manufacturer-recommended jack oil through the fill port may restore its operation. If the jack is leaking, sinking under load, or has a damaged seal, adding fluid alone will not make it safe to use. The important distinction is between low…
Yes, you can use a floor jack on pinch welds only when the vehicle manufacturer identifies that seam as a lifting point and the jack saddle is positioned correctly. A bare, narrow saddle can bend the seam, damage the rocker panel, or let the vehicle shift, so the vehicle’s service information and a suitable pinch-weld…
A car jack is filled through its hydraulic reservoir, usually behind a rubber or threaded fill plug on the jack body. With the jack fully lowered and standing level, remove the plug, add the correct hydraulic jack oil until it reaches the lower edge of the opening, then reinstall the plug and bleed trapped air….