If the engine is longitudinally mounted and you have front and rear axles, you have a four-wheel drive vehicle. If the engine is transversely mounted and you have front and rear drive axles, you have an all-wheel drive vehicle. If your vehicle has both front and rear drive axles, you have a four-wheel drive or an all-wheel drive design. If there is a rear differential, your vehicle incorporates rear-wheel drive into its design.
Look for a long, solid tube from the pumpkin or an axle shaft similar to the front axle shaft. It will be mounted directly between the rear wheels in the center of the vehicle. It will be approximately the size of a small pumpkin and is often referred to as a pumpkin. If the shaft is present, your front wheels are part of your drivetrain. The shaft will be approximately an inch in diameter.Īt the end of the shaft that attaches to the wheel there will be a pleated, cone-shaped rubber boot. Step 2: Find the metal shaft: Look for a cylindrical metal shaft that runs directly toward the center of the wheel knuckle. You’ll see the brakes, ball joints, and wheel knuckle at the backside of the wheel.Step 1: Check under the car: Look underneath the front of your car at the wheel area. If the wheel has an axle shaft to it, it is a drive wheel. Note: Checking the engine orientation will help you narrow down your drivetrain possibilities but can’t completely indicate your drivetrain as you may also have an all-wheel drive or four-wheel drive vehicle.Īxle shafts are used to transfer power to your drive wheels. This is known as a transverse engine mount design. If the belts are to the side of the car, your drivetrain is not rear-wheel drive. The transmission is mounted at the back of the engine and is not able to direct power to the front wheels primarily. This is known as a longitudinally-mounted engine. If the belts are pointed toward the front of the car, your vehicle is not front-wheel drive. The front of the engine is where the belts are mounted.The front of the engine isn’t necessarily pointed forward toward the front of the car. Lift open the hood so you can see your engine. Your engine’s layout can help you determine if your vehicle is front- or rear-wheel drive. Method 2 of 4: Check your engine orientation Note: There are exceptions here as well but is a general guideline to start your search. If you drive a truck, a full-size SUV, or a muscle car, it is probably a rear-wheel drive design. The major exception is in the case of vehicles made before 1990 when rear-wheel drive cars were commonplace. If you have a family car, a compact car, a minivan, or a luxury car, it is probably a front-wheel drive. The type of vehicle you drive can help you narrow down whether you have a front-wheel drive or a rear-wheel drive vehicle. Method 1 of 4: Determine your vehicle’s application Here’s how you can determine if your car is front-wheel drive, rear-wheel drive, or all-wheel or four-wheel drive. You perform your own vehicle maintenance.You are putting your car on dollies behind your RV.You are purchasing parts for your vehicle.You may need to know which drivetrain you have if: It’s important to know what design your vehicle uses for its drivetrain. In an all-wheel drive or four-wheel drive vehicle, each of the components is present, though some parts may or may not be integrated together. In a rear-wheel drive vehicle, all of the components are individual, though there isn’t a transfer case involved. In a front-wheel drive vehicle, the transmission incorporates the differential inside the case, and does not have a propeller shaft or transfer case. The drivetrain is a system of transferring your car engine’s horsepower to the drive wheels that propels your car. The Bill of Materials (B.O.M) number is stamped on the right or left hand tube of the driving axles and with the help of a Spicer catalog you should be able to get all the specs and part numbers for the axle.Every car has a drivetrain of some sort.
The model number and date are self explanatory. The illustration below will help identify the Dana Axle in your Jeep.
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