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Stepper Motor

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For your engine to achieve optimum performance, it must be near-perfect in every possible aspect. So even in getting the right mix of air and fuel inside the combustion cylinder, it has to be flawless. But the tricky part in this task is acquiring the perfect ratio of air-fuel mixture. And your engine won't hit that mark if it's equipped with a faulty Stepper Motor. that's why to guarantee that it can reach that goal, you need to quickly get a quality replacement for your stock part. To put it briefly, this motor helps your engine adjust the air-fuel mixture inside the combustion cylinder by regulating the flow of fuel into the carburetor. By doing this, you can guarantee that you'll be getting the perfect mix of substances which can boost the engine's horsepower and gas mileage. This device can withstand every deteriorating factor that comes with its function as it's built from top-grade raw materials. Additionally, it's also made to match OEM specifications making it a direct replacement for your factory-installed component. That said its installation won't be that difficult even if you decided to do it on your own. So in a way, you're saving yourself from additional expenses since you won't need to hire a professional mechanic. If the Stepper Motor is failing, squeezing out optimum performance from your engine is an impossible feat. But if you really want to have that unmatched horsepower and improved fuel efficiency, get a high-quality replacement now at Auto Parts Warehouse.

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Reminders When Buying a Stepper Motor

Synchronize and control-these are what a stepper motor does to your car's electronic system. This device is responsible for several aspects of your car's operation, including air-fuel regulation and meter reading. A stepper motor is up for replacement if it is already old and fails to provide accurate gauge readings for fuel, speed, temperature, oil pressure, voltage, and shaft rotation. You as a responsible driver cannot ignore the need for meter reading accuracy, so here are some pointers to keep in mind when shopping for a new stepper motor.

First things first: Stepper motor properties

Take out your car's specifications document before taking a shopping cruise online. Locate the page that discusses the details about the gauges in your car. Check the digits specified for the model of the stepper motor that must be used for the gauges. Next, check the properties of the motor you need. Stepper motors have a certain step angle that determines the degree to which the shaft turns once the signal from the control circuitry is received. The number of steps can be 100, 200, or 400, depending on the precision level. Systems that require higher precision will have a higher number. There is also a winding scheme, which can be bipolar or unipolar. This determines the type of control needed; buy a bipolar type if your system needs a simpler control. Other things you need to check are torque output, phase number (single, two, or four), and power requirements.

Other reminders

In addition to the mentioned specs, it is also advisable to look for stepper motors that are resistant to heat. The motors will sit underneath the gauge cluster on the dashboard, and it is certainly stuffy there. Stepper motors have parts that are made from plastic and aluminum, so maintenance is rarely necessary. These are also cheap, which is why they are sold in bulk. Also, stepper motors available at online auto parts stores are suitable for a wide range of models and makes, but you must purchase those that are specific to the series and engine type of your car.

Repair Guides
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Stepper Motor Replacement: Simple Steps

A well-functioning stepper motor keeps electrically sensing devices on your car read information accurately. Most stepper motors nowadays are hybrid type, which means that they use magnetized rotors and multi-toothed pole sets. If you drive daily, you definitely notice that console or dash area where the gauges and whatnots are located. Underneath that console is that tiny motor, or motors, which is used for telecommunication signals, cruise control, and automatic device sensing, among others. Once compromised or busted, the stepper motor can give you problems on air-fuel regulation and many other aspects of control.

Removing your busted stepper motor is just easy. Here are the tools you need and the steps you have to follow in order to breeze through the process.

Difficulty level: Moderate

Tools:

  • New stepper motor (make sure you have the type appropriate for your car)
  • Phillips head screwdriver
  • 9/32 socket
  • Solder and soldering iron
  • Tape
  • Pen
  • Fork

Step 1: Unplug the wiring harnesses for lights, rear wipers, and four-wheel drive.

Step 2: Remove the faceplate. The location of the bolts differs for each model and make, so just look for these fasteners and remove them.

Step 3: Remove the screws holding the gauge cluster. The gauge cluster is covered with a transparent plastic that is fastened to the plate of the cluster with a clip. Unfasten this clip to remove the clear cover and expose the gauge needles.

Step 4: Turn each needle to the left until it reaches the lowest reading (which can be 0, 100, or 9 depending on what the gauge is measuring). Secure the needles' location by placing tape at the end of each needle. Then, mark off the needles' positions on the tape with a pen. Note: Step 4 saves you from having calibration issues during reassembly.

Step 5: With a fork, turn each needle counter-clockwise until it disengages from the shaft. Be slow and use little, controlled force.

Step 6: Remove the gauge cluster's front panel by unfastening the clips that hold the back plate of the cluster. Pull the circuit board off.

Step 7: Desolder the four points that hold the motor to the plate. Warning: The circuit board has delicate components, so be careful when soldering.

Step 8: Remove the old motor (for speedometer, for instance) and then replace it with the new one. Resolder the four points, place the circuit board on the back cover, and refasten the back plate.

Step 9: Place the needles back in a 12-o-clock position. Position the needles exactly on the mark on the tape. Note: Keep turning the needles counter-clockwise if you miss the exact position of the mark.

Step 10: Test the gauges first. Plug the wiring harness to the cluster and check if the needles jump up and down to the zero points. Put the gauge cluster cover and reassemble the dash in reverse.