Replaces
Part Details
Item Condition:
New
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Hi, I’m Mike from 1A Auto. We’ve been selling auto parts for over 30 years!
Cam angle sensor on this two five Altima is located here atop of the head. It's got the connector on it, and it's bolted into the head. To remove it, start by disconnecting the electrical connector. There's a lock underneath. Use two hands, one to push the lock in or up to come off it. Wiggle it off. Place that aside.
There's a 10mm bolt underneath that's holding it into the head. Just sneak a 10mm socket, ratchet and extension in here. Can't quite get the bolt out. This hose is in the way. Trying to loosen it some more with my fingers. There it is. The bolt is out. Put that aside so I don't lose it. I'm just going to have a paper towel close by in case some oil comes out when I free this from the head. Just try to push on this end here where the bolt goes in just to break the seal. It's got an O-ring. Just kind of wiggling it back and forth. Here it comes.
Here’s the old cam sensor from our vehicle and a new one from 1AAuto.com. It looks a little different, but it operates in the same way. Has a single mounting hole. These connectors appear to be upside down from one another, but you can turn the connector in the car and just plug it in, so I'll show you that when we install it. But this should work for you and get your car back on the road.
I'm going to take our new sensor, and we're going to take a little bit of oil from inside the hole that it came out of, the original one. I'll put some of that oil on the O-ring. It slides in. Move the connector out of the way. Slide this into place. It's probably going to be a lot tighter because the O-ring is fresh. Push it in. Turn it down so it lines up with the bolt hole.
Reinstall our bolt. I'm going to get it threaded in with my fingers. It is a steel bolt going into aluminum, I'm going to cross thread it. Get it on the bolt seeded all the way down. Now I can slide the 10 mm socket and ratchet in here. I'm just going to tighten it down. It's a very small bolt going into aluminum. I don't want to get it too tight and break it. I'm just going to get it tight.
It doesn't want to turn anymore, so I'm going to stop. Take our connector. Just like I said, it can be turned a little bit. So now the lock is going to be on the top. It is keyed. It can only go in one way. Cam sensor is replaced.
Thanks for watching. Visit us at 1AAuto.com for quality auto parts, fast and free shipping, and the best customer service in the industry.
Tools used
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 on here. Take some pliers, squeeze the clamp together, move the clamp down. Work the hose off. If you need to, you can take a right angle pic, work it under the hose and break that seal. Move the clamp down further out of my way. Loosen the two hose clamps. We'll start with the one near the mass airflow meter. Using an 8mm socket or a flat blade screwdriver. Loosen the one at the throttle body. This one is actually a 10 mm. If it got replaced, it could be a different size. Work the hose off the throttle body. And we're going to work if off the mass airflow meter. Move this hose out of the way and this one out of the way and lift it straight out of the car.
The crankshaft position sensor on this 2.5 Altima is located at the back of the engine, near the fire wall, near the bell housing for the transmission. So it's all the way right here. And there's the connector and the bolt connector. The lock part is right against the transmission. I'm going to remove the bolt first. Pull the sensor out. Then I can disconnect it. I've got plenty of harness here. Some oil may drip out, so I'll have a rag ready. Since you really can't see what you're doing, I kind of have to go in with my fingers and find the sensor, and find the 10mm bolt. And then try to guide a ratchet and extensions in there. It's a bit tricky. But once you get it, it'll go right on there. It doesn't take much torque to undo it. Not quite loose enough yet by hand, so I'm going to use just the extension, and the socket to finish removing it. There, I've got it out.
Looks like somebody already replaced this at one point cause it has a piece of tape over it, so the bolt didn't fall out. With that loose, now I can work on getting the sensor out of the side of the engine. Wiggle it back and forth. Pull it out. Now that we've got it loose, I can get to the to the lock. Now we need to disconnect the electrical connector from the sensor. Push in on this green tab to get some tension to it. Push it in and then, as you push it in, it actually pushes the senor out of the connector. When we've disconnected, our sensor is removed.
Here is our old crankshaft position sensor from our vehicle. This is our new one from 1AAuto.com. As you can see, it is identical. It'll operate in the same manner. It's with a single tab with the bolt hole. Same style connector. It's the same depth. Got a new O-ring on here. So we'll install that and get your car running again.
Before you install this, you can take a small amount of engine oil, or a little bit of white grease, and we're just going to put it around the O-ring so that it slides back into the hole okay. We don't nick the O-ring. Cause this O-ring's nice and fresh, it might be a little bit tighter. It doesn't matter if you get grease on the sensor cause the hole has oil in it anyways. Now I'm ready to install this. It'll be easier to install it without the connector plugged in. We'll plug that connector in after it's installed. Once you get it in place, rotate it a little bit. I'm just going to thread it in by hand.
So I'm going to cross thread. Take the ratchet. I'm just going to tighten it. It's a very small bolt. It's aluminum. I don't want to over-tighten it. So once I start to feel like it's tight, I'm just going to stop. With it installed, I can now reinstall the connector. The green lock is going to go towards the transmission. So I'm going to turn it this way. Once it clicks, it's locked into place. The crank sensor's installed.
To reinstall the intake tube, we'll 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 that's seated on the throttle body. You can use a flat bladed screwdriver, or on this one, it's a 10 mm socket. Just bring it down until it feels tight. Make sure this is loose enough. Slide 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. On this side, it's an 8 mm. 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.
