Off-Road Driving
If you operate your vehicle primarily in anyof the following conditions, you need toperform extra maintenance, as indicated.If you operate your vehicle occasionallyunder any of these conditions, it is notnecessary to perform the extramaintenance. For specificrecommendations, see your dealershipservice advisor or technician. Examples offrequent conditions that would qualify are:
•Example 1: Continuous deep sand ordune driving for more than 25 minutesin a 4-wheel drive state using morethan 50% throttle at elevated ambienttemperatures (above 90°F (32°C).
•Example 2: Continuous off-road highspeed (above 55 mph (88.5 km/h) orconsistently using more than 50%throttle) desert running operation formore than 60 minutes in a 4-wheeldrive state at elevated ambienttemperatures (above 90°F (32°C).
•Example 3: Continuous on-road highspeed driving (90 mph (145 km/h) ormore) for more than 30 minutes in a4-wheel drive state at elevatedambient temperatures (above 90°F(32°C).
Off-road Operation
Inspect the steering linkage, the ball joints and the U-joints.Lubricate the grease fittings, if applicable.Inspect frequently, serviceas required
Replace the engine air filter.
Change the engine oil and filter.1Every 5,000 mi (8,000 km)or six monthsInspect the wheels and related components for abnormalnoise, wear, looseness or drag.
Rotate the tires, inspect the tires for wear and measurethe tread depth.
Change the front axle fluid.Every 30,000 mi(48,000 km) or two yearsChange the transfer case fluid.
1Reset your oil change reminder after each engine oil and filter change. See Resettingthe Intelligent Oil Life Monitor (page 355).
Exceptions
There are several exceptions to the NormalSchedule.
Axle and Transfer Case Maintenance
Axle(s) and transfer case, four-wheel drivevehicles, fluid changes or level checks arenot required unless you suspect a leak orthe assembly has been submerged inwater. Have your vehicle serviced by anauthorized dealer.
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2023 Bronco (TG1) Canada/United States of America, enUSA, Edition date: 202208, DOMScheduled Maintenance
