WHY IS TIRE PRESSURE IMPORTANT? What happens if your GMC tire is underinflated? What happens if your GMC tire is overinflated? HOW TO CHECK TIRE PRESSURE WHAT IS A TIRE PRESSURE MONITORING SYSTEM? How do you know that air pressure is low or whether your GMC TPMS has malfunctioned? IS NITROGEN BETTER THAN AIR IN YOUR TIRES? General Motors’ stance on use of nitrogen gas in tires: TERRA TRAC AT II Premium, all-terrain tire built to deliver absolute performance and maximum versatility Silica infused AT-C tread compound delivers superior wet and off-road traction Lateral grooves and heavy siping boost traction in adverse weather conditions while a modern profile creates a more stable contact patch for controlled and balanced on and off-road performance Pitch sequence spreads sound energy over a range of frequencies for a quieter, more comfortable ride Features a limited 60,000 mi mileage warranty and industry-leading road hazard protection *

* Road hazard protection valid for on-road use only. Terra Trac tires featured here are also covered by a six-year limited warranty. See Hercules Tires Limited Warranty for complete details. All Terra Trac tires featured here are part of the 30-day Trust Our Ride test drive.Item #Tire Size &Service DescriptionRimWidth(in)MaxPSI (lbs)MaxLoad(lbs)OverallDiam.Factory Tire Rating And Pressure ChartSidewall specs indicate a maximum load of 3,000 pounds at 50 psi, 105 pounds under OE rear weight-carrying spec. The tire’s Service Description code is to the left of the Load Range: Load Index (199 = 2,998 pounds) and Speed Rating (Q = 99 mph). Borrowing an example from Toyo’s catalog, an ’06 HUMMER H2 with an OE LT315/70R17 has a maximum LCC of 2,595 pounds at 37 psi per tire. For a “plus 0” (same wheel diameter) swap to a 35x12.50R17 flotation tire, the industry-standard TRA Load & Inflation Table (available on Toyo’s and other tire manufacturers’ websites) helps determine proper air pressure for the required LCC.

According to the table, the 35x12.50R17 supports 2,581 pounds at 39 psi (slightly under OE spec), so the table-recommended pressure is 40 psi—good for 2,625 pounds.This ’01 Power Stroke F-250 sometimes carries a 2,500-pound Lance slide-in camper. Tow-alongs add 500 pounds of tongue weight to the rear. The Super Duty’s Tire Information Placard (TIP) shows OE LT265/75R16 “E” range tires. According to the Load Index & Inflation Table, maximum loads are 2,625 pounds front at 60 psi, 3,105 rear at 70 psi. The Super Duty’s current 35x12.50R17 Mickey Thompson Baja ATZs are Load Range D. Many 4x4 owners choose replacement tires based on size, price, and style.According to the TIP, the front GAWR, which is the maximum weight the axle can support, is 4,800 pounds. So, each front tire needs to support 2,400 pounds plus ideally a 20 percent WL buffer (that’s another 480 pounds per tire, or 2,880 total), to safely run the maximum load at 65 mph. The Load Index & Inflation Table calls for 2,904 at 47 psi.

Once front pressure is established, measure from the top of the rim to the ground.Discount Tire Eagles LandingTake a comparison measurement on a rear tire. Cheap Flights From Lax To CalgaryFor towing or hauling, adjust rear pressure, not exceeding maximum pressure, so that the rim-to-ground height is 3⁄16 inch greater than the front. Homes For Sale Orchard Park Harrisburg NcWith camper and trailer tongue weight, we estimated this Super Duty’s rear load at 7,563 pounds, or 3,782 per tire (not including any gear in the camper). An LT-metric tire would be better suited for towing/hauling here and would likely increase fuel economy by as much as 1.5 mpg due to less rolling resistance. A “plus zero” swap to LT325/70R17s would only raise LCC from the current 3,000 pounds to 3,195 per tire.

A better comparable-height tire would be LT325/60R20/E. It has a 3,750-pound load capacity at 65 psi. Light Truck & Trailer Tire Load Ratings Projector-beam headlights with smoked trim LED taillights with smoked sport trim Color-keyed front and rear bumpers with silver accents, door handles, heated power outside mirrors, overfenders, side rocker panels, hood scoop and rear spoiler; and silver-painted roof rails with black endcaps 17-in. 7-spoke alloy wheels with P265/70R17 tires Aerodynamic variable intermittent windshield wipers with mist cycle Dual zone automatic climate control with air filter and second-row vents Multi-Information Display with outside temperature, clock, average fuel economy and distance to empty Perforated leather-trimmed 40/20/40 split reclining and fold-flat second-row seat Driver and front passenger active headrests 30 Driver and front passenger seatbelt pretensioners with force limiters Tire Pressure Monitor System (TPMS) 31

A heritage of toughness It’s no secret that at the core of a superior off-road vehicle lies a body-on-frame construction. 4Runner is one of the last SUVs to still be built this way, keeping true to a heritage that has proven that body-on-frame is the answer to extreme ruggedness. Even after thousands of miles of treacherous, weather-beaten, harsh trails, 90% of 4Runners sold in the last ten years are still on the road. It may look tough outside, but inside it feels exceptionally refined. That’s because we have used premium materials like SofTex® on the SR5 Premium and Trail Premium grades, and perforated leather on Limited. It’s the perfect blend of ruggedness and comfort. Lending the soundtrack to your many adventures is 4Runner Limited’s JBL® audio system. To ensure you don’t miss a note of your music’s soaring highs or thundering lows, the system boasts an amazing 15 speakers, including a subwoofer. Tire Pressure Monitor System (TPMS) Proper tire pressure is important not only for good handling and fuel economy, but also for your safety.