It isn’t uncommon for vehicles to have starting issues—especially as they age. Vehicle starting issues can be caused by a flat battery or a failed starter. You can only use the roll start trick if the starter is not turning. This trick wouldn’t work on a dead battery because your vehicle will need power for your computer, fuel system, and sensors.
Simply turn on the ignition to start your vehicle, if nothing really happens—that means your starter isn’t turning. If the roll start trick is unfamiliar to you or you’d want to know more about how it works, you’re reading the right article.
Roll start is a trick where an assistant pushes the vehicle while you turn the ignition to the run position. Once the vehicle is moving, you’ll have to make sure that it’s in first gear. If you’re going backwards, make sure that it’s in reverse. Quickly release the clutch pedal. This method is also known as push starting, clutch popping, and bump starting.
Once the vehicle is moving, you’ll have to make sure that it’s in first gear. If you’re going backwards, make sure that it’s in reverse. Quickly release the clutch pedal.
–Anthony Harlin, ASE Certified Master Automobile Technician
In a rolling start, you use the rotation of the wheels to gain momentum and start the engine. It usually works for manual transmission vehicles.
The ignition can stay on in a roll start. You’ll have to have the clutch pedal to the floor then immediately release it. You’ll have to make sure that transmission is in gear.
You can do this trick solo if you’re on a steep hill because you wouldn’t need anyone to push the vehicle for you.
It’s safe to roll start your vehicle as long as you do it correctly. Note, however, that this method only applies to manual transmission vehicles.
Bump starting won’t work with a vehicle equipped with automatic transmission, as it would only damage the gearbox and transmission.
Here are two of the major reasons why you can’t push start an automatic transmission vehicle:
Automatic transmission vehicles have open clutches, which makes them impossible to roll start.
An open clutch system enables the wheels to spin freely when you push your car. That means the engine can disengage from the drivetrain, so the movement of the wheels when you push your vehicle won’t be able to power your engine.
Roll starting a vehicle with an automatic transmission would only damage it, as it forces the transmission to engage.
Automatic transmission vehicles have torque converters that transfer torque from the engine to the wheels. This fluid coupling is filled with hydraulic fluid that doesn’t circulate when the engine is off. In short, the engine wouldn’t start if the transmission doesn’t receive power.
Roll starting is an effective way to start a manual transmission vehicle, but you have to be careful when doing it. Here are some of the things to watch out for when roll starting your ride:
You can roll start solo while on a steep hill, but it’s still safer to have an assistant with you. It’s hard to keep an eye on your surroundings if you do it alone. You might end up in a minor collision once your engine gains speed.
Make sure that there are no obstructions on the road when roll starting. Watch out for incoming vehicles and pedestrians if you’re roll starting in a busy area.
If you’re roll starting on a hill, make sure its level of steepness is ideal for the method. If it’s too steep, you might lose control of your ride if the engine doesn’t start.
If you’re not confident you can roll start your vehicle, you can always have your ride towed to the nearest auto repair shop.
If you’re driving an automatic transmission vehicle, you can try jump-starting it. However, remember that this trick only works if you have a dead battery.
Jump-starting involves using jumper cables and a high-current battery to power your car’s battery. It takes 5-30 minutes to do it.
If roll starting doesn’t work, then the problem might not be a dead battery or a failed starter.
Many engine problems can cause a “no-start” condition, like clogged or restricted fuel lines. Although rare, a problem with the vehicle’s powertrain control module (PCM) can also cause a starting problem.
Here are your best options if your car really won’t start after roll starting:
Contact a friend or better yet—call a roadside assistance service. This type of service costs around $20 to $50. You’d have to shell out additional money, but it pays to let trained professionals help you.
Roadside services can do everything from jump-starting your car and replacing a flat tire to refilling your gas tank.
If you’re lucky enough to still be near your house or at your garage when your battery dies, you can contact your mechanic, who can confirm what caused the issue.
If you want to save on the service fee, you can look for the signs of a weak battery to determine if yours need replacement.
Unfortunately, roll starting won’t always work. At some point, your flat battery will die, leaving you stranded with a vehicle that won’t start. The good news is that you can easily avoid this hassle by replacing your car battery. Luckily, getting a brand-new battery is fast and easy with CarParts.com.
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