How to Replace Vehicle Speed Sensor 2002-06 Nissan Altima L4 2-5L
Created on: 2017-09-15
If the speed sensor is defective or rusted, this video will show how to access and replace it
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step 1 :Removing the Air Intake
- Squeeze and release the hose from the breather hose
- Pry the breather hose off of the air intake
- Loosen the 8mm bolts from the hose clamp
- Loosen the air intake hose from both ends
- Remove the air intake hose
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step 2 :Removing the Speed Sensor
- Disconnect the electrical connector
- Remove the 10mm bolt from the speed sensor
- Remove the speed sensor with a pair of pliers
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step 3 :Installing the Speed Sensor
- Insert the speed sensor into place
- Tighten the 10mm bolt to the speed sensor
- Connect the electrical connector
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step 4 :Installing the Air Intake
- Connect the air intake hose
- Tighten the 8mm bolts to both ends of the clamp
- Press the breather hose on
- Tighten the hose clamp with needle nose pliers
Tools needed
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Gloves
Flat Blade Screwdriver
Paper Towels
8mm Socket
10mm Socket
Ratchet
Cloth Rags
Needle nose pliers
Pick
Hi, I'm Mike from 1A Auto. We've been selling auto parts for over 30 years.
Remove the upper intake tube. Start with this vacuum line here. Take some pliers, squeeze the clamp together, pull clamp down, and work the hose off. If you need to, you can take a right angle pick, just work it under the hose and break that seal. Clamp down further out of my way.
Loosen the two hose clamps. Let’s start with the one near the mass airflow meter. Using an 8 millimeter socket or a flat bladed screwdriver, loosen the one at the throttle body, this one is actually a 10 millimeter. If it got replaced, it could be a different size. Work the hose off the throttle body and going to work it off the mass airflow meter, and move this hose out of the way. This is one out of the way. Lift it straight out of the car.
With the intake tube removed, the equal speed sensor is located under the intake manifold at the back of the transmission way down here by the firewall. See, it's got a gray connector and a single 10 millimeter bolt holding it into the transmission. Before I remove it, I'm going to use a rag to brush away any dirt and debris that's around the sensor. Try to keep that from falling into the transmission.
Disconnect the electrical connector, push the lock tab in, pull the connector off the sensor, and push the connector aside. Use a ratchet and a 10 millimeter socket to remove the bolts. Looseing them with my fingers, and now I'm going to remove the bolts. Put it aside so it doesn't get lost. Pull the sensor out—wiggle it back and forth to break it free. It has a rubber seal, an O-ring. I'm going to try some pliers here, help give me some leverage, try working it up, back and forth. There it is. Let go of it with the pliers, and reach in with my hand. You can see that O-ring is in there, that's what seals it, that's what makes it so tight. Pull this straight out. We have our equal speed sensor.
This is our old vehicle speed sensor we pulled out, and this is our new one from 1AAuto.com. See, it comes with a same style gear that gets driven from the transmission. There's no key there or anything—it's just going to slide right in. It's got a new O-ring, sealing O-ring. Same style connector. Same single bolt to mount it. It's really tight in the bore it's posit parts, and that's why it's so hard to pull out and then plus the O-ring. I just had to work at it, and that's why I had the other glove. Cause these edges here are sharp so when I was trying to pull it, it was hurting my fingers so I put on a heavier glove. This one should fit in there great and get you on the road.
Install the new speed sensor. Try and get it lined up with the bolt hole before I push it in. Use the palm of my hand, push it in as tight as it will go. Install the bolt to help draw it down in. 10 millimeter socket and ratchet, drive it into the transmission. I can see it's seated and now it's getting tight so I'm just going to stop, I don't want to break off the steel bolt and the aluminum case of the transmission. Reconnect the electrical connector. And the speed sensor's replaced. Reinstall the intake tube. Start by feeding it into the engine compartment and placing it over the throttle body. Push this vacuum hose just out of the way for a second. Make sure it's seated on the throttle body. Can use the flat bladed screwdriver or on this one it's a 10 millimeter socket. Just bring it down til it feels tight. Make sure that this is loose enough, slide it over. Slide the intake tube, it will squish down. Put it over the mass airflow meter housing. Hose clamp in place. Use a flat bladed screwdriver or in this side it's an 8 millimeter. Tighten that down. Reinstall this vacuum hose. Take some needle-nose pliers.
Thanks for watching. Visit us at 1AAuto.com for quality auto parts, fast and free shipping, and the best customer service in the industry.
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