10 Steps To Fix A Car Starter Solenoid

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The starter solenoid converts an electrical signal from the ignition key into a high voltage signal that activates the starter motor. Serving as a powerful relay switch, the solenoid works as the initial starting device for the vehicle. This component is essential for your vehicle, learn here how to fix car starter solenoid.

The solenoid can draw up to 200 amps and should cycle on and off each time the vehicle is started. Sometimes the high voltage contacts inside the solenoid can burn, char, or stick, resulting in a no-start condition.

How to fix a car starter solenoid

compose a starter solenoid
compose a starter solenoid

not always necessary change starter solenoid for a new one. The solenoid lends itself to repair like any other component, and savings can be made by doing so. The steps to follow to fix a starter solenoid are as follows:

  1. Put the vehicle in neutral or park with the emergency brake on. Lift the cover and disconnect the negative terminal of the battery. Raise the car with a floor jack high enough to place two jack stands under the frame near each wheel. Refer to your owner’s manual for the proper procedure for removing the starter motor.
  1. Crawl under the car and remove the main jumper cable and the two (or three) ignition cables on the back of the solenoid. Make sure you know the correct position of the wires for reinstallation.
  1. Remove the large starter mounting bolts with the appropriate socket. (Use a socket extension for hard to reach bolts.) Pull the starter away from its bracket by twisting and twisting until it comes off. Place the starter in a vise, gently clamping the case.
  1. Remove the thick wire that connects the solenoid post to the starter.. Use a Phillips screwdriver to remove the solenoid backing plate (some plates may have small screws).
  1. Pull back on the small round plunger and be careful noting the spring and the small ball at the end of it; hold the spring and the ball and remember how it fits into the plunger. Remove the two bolts from the outside of the solenoid housing. These pins hold the two copper contacts in place. Also remove the old copper contacts.
  1. Place the new copper contacts (kit parts) into their places and insert the bolts back into position. Tighten the two bolts precisely. Take the old spring and ball and install them on the new plunger, supplied in the kit. Push the plunger back into the solenoid, keeping tension on the spring.
  1. Position the solenoid plate, making sure the spring and ball are flush with the plate seat. Screw the plate back onto the solenoid, using the screwdriver or a small socket.
  1. Put the thick starter cable back on the solenoid and tighten it. Slide back under the vehicle and align the boot with its mounting surface. Replace the mounting bolts and tighten them with the socket and extension.
  1. Reconnect the ignition cables and the main jumper cable to their posts and tighten them. Replace any splash guards, cross members, or suspension parts you may have removed to gain access to the boot.
  1. Raise the car and remove the jack stands. Reconnect the negative terminal of the battery. Start the vehicle several times, making sure the solenoid makes contact each time.

With these steps you will be able to fix a starter solenoid, remember to follow the steps to the letter and thus avoid other complications.

Items you will need

The items you will need this time are:

  • floor cat
  • cat stand
  • User manual
  • Socket wrench and socket set
  • Screwdrivers (slotted and Phillips)
  • starter solenoid kit
  • Bench clamp (if applicable)

The starter solenoid converts an electrical signal from the ignition key into a high voltage signal that activates the starter motor. Serving as a powerful relay switch, the solenoid works as the initial starting device for the vehicle. This component is essential for your vehicle, learn here how to fix car starter solenoid.

The solenoid can draw up to 200 amps and should cycle on and off each time the vehicle is started. Sometimes the high voltage contacts inside the solenoid can burn, char, or stick, resulting in a no-start condition.

How to fix a car starter solenoid

compose a starter solenoid
compose a starter solenoid

not always necessary change starter solenoid for a new one. The solenoid lends itself to repair like any other component, and savings can be made by doing so. The steps to follow to fix a starter solenoid are as follows:

  1. Put the vehicle in neutral or park with the emergency brake on. Lift the cover and disconnect the negative terminal of the battery. Raise the car with a floor jack high enough to place two jack stands under the frame near each wheel. Refer to your owner’s manual for the proper procedure for removing the starter motor.
  1. Crawl under the car and remove the main jumper cable and the two (or three) ignition cables on the back of the solenoid. Make sure you know the correct position of the wires for reinstallation.
  1. Remove the large starter mounting bolts with the appropriate socket. (Use a socket extension for hard to reach bolts.) Pull the starter away from its bracket by twisting and twisting until it comes off. Place the starter in a vise, gently clamping the case.
  1. Remove the thick wire that connects the solenoid post to the starter.. Use a Phillips screwdriver to remove the solenoid backing plate (some plates may have small screws).
  1. Pull back on the small round plunger and be careful noting the spring and the small ball at the end of it; hold the spring and the ball and remember how it fits into the plunger. Remove the two bolts from the outside of the solenoid housing. These pins hold the two copper contacts in place. Also remove the old copper contacts.
  1. Place the new copper contacts (kit parts) into their places and insert the bolts back into position. Tighten the two bolts precisely. Take the old spring and ball and install them on the new plunger, supplied in the kit. Push the plunger back into the solenoid, keeping tension on the spring.
  1. Position the solenoid plate, making sure the spring and ball are flush with the plate seat. Screw the plate back onto the solenoid, using the screwdriver or a small socket.
  1. Put the thick starter cable back on the solenoid and tighten it. Slide back under the vehicle and align the boot with its mounting surface. Replace the mounting bolts and tighten them with the socket and extension.
  1. Reconnect the ignition cables and the main jumper cable to their posts and tighten them. Replace any splash guards, cross members, or suspension parts you may have removed to gain access to the boot.
  1. Raise the car and remove the jack stands. Reconnect the negative terminal of the battery. Start the vehicle several times, making sure the solenoid makes contact each time.

With these steps you will be able to fix a starter solenoid, remember to follow the steps to the letter and thus avoid other complications.

Items you will need

The items you will need this time are:

  • floor cat
  • cat stand
  • User manual
  • Socket wrench and socket set
  • Screwdrivers (slotted and Phillips)
  • starter solenoid kit
  • Bench clamp (if applicable)

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