1998 AM General Hummer Recommended Tire Pressure

Recommended tire inflation pressures for 1998 AM General Hummer tires to improve fuel efficiency, extend tire life and drive safely.

Recommended tire pressure for 1998 AM General Hummer ranges around 35 psi for front tires and 40 psi for rear tires. Select your trim to see original equipment tire sizes and recommended tire inflation pressures.

1998 AM General Hummer (1 Piece Steel Wheel) Tire Pressure

Recommended tire pressure for 1998 AM General Hummer (1 Piece Steel Wheel) tires (2 original equipment tire size sets).

Front and Rear Tire Size 37x12.50R16.5
Recommended Front Tire Pressure 35 psi (2.4 bar or 241 kPa)
Recommended Rear Tire Pressure 40 psi (2.8 bar or 276 kPa)
Tire Size Type Flotation
Tire Load Index 123
Tire Load Capacity 3418 lbs (1550 kg)
Tire Speed Rating N
Maximum Tire Speed 87 mph (140 km/h)
Tire Load Range D (8-ply)
Maximum Load Tire Pressure 65 psi @ 3418 lbs
Front and Rear Tire Size 37x12.50R16.5
Recommended Front Tire Pressure 35 psi (2.4 bar or 241 kPa)
Recommended Rear Tire Pressure 40 psi (2.8 bar or 276 kPa)
Tire Size Type Flotation
Tire Load Index 123
Tire Load Capacity 3418 lbs (1550 kg)
Tire Speed Rating Q
Maximum Tire Speed 99 mph (160 km/h)
Tire Load Range D (8-ply)
Maximum Load Tire Pressure 65 psi @ 3418 lbs

1998 AM General Hummer Base Model Tire Pressure

Recommended tire pressure for 1998 AM General Hummer Base Model tires (2 original equipment tire size sets).

Front and Rear Tire Size 37x12.50R16.5
Recommended Front Tire Pressure 35 psi (2.4 bar or 241 kPa)
Recommended Rear Tire Pressure 40 psi (2.8 bar or 276 kPa)
Tire Size Type Flotation
Tire Load Index 123
Tire Load Capacity 3418 lbs (1550 kg)
Tire Speed Rating N
Maximum Tire Speed 87 mph (140 km/h)
Tire Load Range D (8-ply)
Maximum Load Tire Pressure 65 psi @ 3418 lbs
Front and Rear Tire Size 37x12.50R16.5
Recommended Front Tire Pressure 35 psi (2.4 bar or 241 kPa)
Recommended Rear Tire Pressure 40 psi (2.8 bar or 276 kPa)
Tire Size Type Flotation
Tire Load Index 123
Tire Load Capacity 3418 lbs (1550 kg)
Tire Speed Rating Q
Maximum Tire Speed 99 mph (160 km/h)
Tire Load Range D (8-ply)
Maximum Load Tire Pressure 65 psi @ 3418 lbs

All tire pressure information listed is for informational purposes only. TirePressure.com does not warrant or make any representations regarding the use of or the results of the use of this information. Always refer to your vehicle owner's manual for proper tire inflation pressures.

AM General Tire Pressure | AM General Hummer Tire Pressure | 1998 AM General Tire Pressure

It is vital to maintain proper tire inflation pressures for 1998 AM General Hummer tires. Low tire pressure will result in tire underinflation while high tire pressure will result in tire overinflation, which can decrease fuel efficiency, lead to uneven tire tread wear and reduce tire life, compromise tire safety and cause tire blowout. Check 1998 AM General Hummer tire pressure regularly, and monitor 1998 AM General Hummer tire inflation pressures to avoid driving with overinflated or underinflated tires.

Tire inflation listed on tire sidewall is the maximum air pressure the tire can hold to carry its maximum load, and not the recommended tire pressure for 1998 AM General Hummer. Use 1998 AM General Hummer recommended tire pressure settings listed on the tire pressure chart found in 1998 AM General Hummer owner's manual, on a tire placard on driver's door or door jam, inner trunk lid, in the console or on the fuel door. Recommended tire pressure for your 1998 AM General Hummer tire sizes will be listed in one of the following pressure units: psi (pounds per square inch), bar or kPa (kiloPascals). Pay attention as your 1998 AM General Hummer may have different recommended tire inflation pressures for front and rear tires, especially if equipped with staggered tires. Keep your 1998 AM General Hummer tires inflated at recommended tire inflation pressures at all times for your driving comfort and safety.

If you replace 1998 AM General Hummer original equipment tires or switch to plus size tires, make sure to follow guidelines for the application of load and inflation tables to find proper tire pressure for your new 1998 AM General Hummer tires. 1998 AM General Hummer tires with the same load index, regardless of tire size, may carry the same load, but may require substantially different inflation pressures. Tire load index may not be used independently to determine replacement tire acceptability for load capacity. An equal or greater load index does not always correspond to equal or greater load capacity at all inflation pressure settings. 1998 AM General Hummer replacement tires must have equal or greater speed rating compared to the original equipment tires if your 1998 AM General Hummer speed capability is to be maintained. It is recommended that tire installers refer to the 1998 AM General Hummer owner’s manual to identify any tire speed rating restriction or recommendation that could affect the operation of the vehicle. If your 1998 AM General Hummer replacement tires have a lower speed rating than the original equipment tires, your vehicle’s speed must be restricted to that of the replacement tires. Original equipment tires that come on your 1998 AM General Hummer will have the proper tire load index, so use same or higher load index when choosing replacement tires. Tire load index tells you how much weight your tire can carry. Putting too much weight on your tires will overload them, and can cause premature tire wear, tire damage or even tire blowout. Refer to your 1998 AM General Hummer manual to find its original equipment tire sizes and load ratings. Always refer to the 1998 AM General Hummer owner’s manual for any specific safety advice regarding the application of 1998 AM General Hummer replacement tires.

1998 AM General Hummer tire pressure may fluctuate with ambient temperatures, so check 1998 AM General Hummer tire pressure when ambient temperatures change. In winter when temperatures drop, 1998 AM General Hummer tires may deflate by approximately 1 psi for each 10 degree Fahrenheit decrease in temperature. Maintain proper 1998 AM General Hummer winter tire pressure by adding air to your tires as needed to the recommended tire inflation levels.

1998 AM General Hummer tire pressure should be checked when tires are cold, after your vehicle has not been driven for at least three hours. It is best to check your tire inflation pressure in the morning, after the vehicle has been parked overnight, using a reliable tire pressure gauge.

If your 1998 AM General Hummer is equipped with tire pressure monitoring system (TPMS), pay attention to low tire pressure warning light being on. Ensure 1998 AM General Hummer tire pressure sensors are working properly to stay alert and enjoy a safe ride. If your tire pressure warning light is on, check front and rear tires to make sure they are properly inflated.

What is the recommended tire pressure for 1998 AM General Hummer?
Recommended tire pressure for 1998 AM General Hummer is determined by the manufacturer based on your vehicle's characteristics and original equipment tire sizes. Select your 1998 AM General Hummer trim to get recommended tire inflation pressures for 1998 AM General Hummer tires.

Where do I find recommended tire inflation pressures for 1998 AM General Hummer?
You can find your 1998 AM General Hummer recommended tire pressure in 1998 AM General Hummer owner's manual, on a tire placard on driver's door or door jam, inner trunk lid, in the console or on the fuel door. Recommended tire pressure for 1998 AM General Hummer will be listed in psi, bar or kPa.

How to check 1998 AM General Hummer tire pressure?
Proper 1998 AM General Hummer tire inflation is essential to the overall tire performance and safety. To check tire pressure for 1998 AM General Hummer you will need to know its recommended tire pressure and a tire pressure gauge. Check cold inflation pressures in 1998 AM General Hummer tires with tire pressure gauge and adjust to 1998 AM General Hummer recommended tire inflation pressures as needed by adding or releasing air. Make sure to check tire inflation for your 1998 AM General Hummer regularly to ensure safe and comfortable drive.

Is my 1998 AM General Hummer equipped with a tire pressure monitoring system (TPMS)?
If your AM General Hummer is made after 2007, it should be equipped with tire pressure monitoring system. To confirm if your 1998 AM General Hummer has TPMS, turn on the ignition without starting the engine. If a tire icon with an exclamation sign lights up on your dashboard, your 1998 AM General Hummer is equipped with TPMS. You can also check 1998 AM General Hummer owner's manual for more information.

Why is 1998 AM General Hummer tire pressure warning light on?
If your 1998 AM General Hummer is equipped with Tire Pressure Monitoring System (TPMS) it will alert you when tire pressure is too low and your tires could be underinflated, which can lead to uneven tire wear or can cause tire failure. If 1998 AM General Hummer low tire pressure warning light is on, check all 1998 AM General Hummer tires for low air pressure and inflate tires to the recommended tire inflation pressures. Keep in mind that Tire Pressure Monitoring System does not replace routine tire pressure check and maintenance.

How do I reset 1998 AM General Hummer tire pressure monitoring system?
To reset tire pressure monitoring system for 1998 AM General Hummer, make sure front and rear tires are inflated to the recommended levels. Refer to your owner's manual on how to reset 1998 AM General Hummer TPMS.

What is recommended winter tire pressure for 1998 AM General Hummer?
Recommended tire pressure for 1998 AM General Hummer is the same for any season, but you may inflate your 1998 AM General Hummer tires 3 to 5 psi above the recommended tire pressure set by the manufacturer to compensate for lower temperatures during winter. Make sure to check your 1998 AM General Hummer tire pressure more often in the winter to keep tires properly inflated for a safe ride on snow and icy roads.

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