Join Date: Feb 2009
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The Right Way to Replace the ICP Sensor on a 2003 6.0L
Ok, so I read all the posts about how guys were doing this. The majority of the people said that it was easier from the top. This is absolutely FALSE. The following is hands down the easiest way to get this job done without going insane. First, get the truck up on some ramps or jack stands. The key here is to get the truck high enough so you can sit under it comfortably. Next, if you have 4WD...like I do, remove the drive shaft that is in your way. It's just a few bolts and is out of there in minutes...easy. Just remember to index the shaft. It's always a good idea to put stuff back the way you took it off. Next, get yourself a LONG ty-rap. Ty-Rap the trans linkage out of your way. I just went around the frame with the ty-rap and pulled the trans linkage cable close to the frame. If you dont do this, you'll find your arm will scrap against it every time you reach your arm up to the sensor. Open the hood...especially if it light outside...makes seeing everything much easier. Grab a good flashlight too. Ok, now bust out your 1/4 drive stuff. Grab a small ratchet and an small extention. You'll need a 10mm and a 13 mm. Ok, now that you have the drive shaft out, sit under the truck on the drivers side, facing forward (as if you were driving). Now, the engine oil pan is gonna be to your right. Your head will be right next to it. Look up. The sensor is located behind a heat shield. You'll need your ratchet and 10mm first. One bolt is pretty easy to see, the other you'll have to reach farther over to the passenger side to get at...but it's not that bad. Their are two 10mm bolts. Use your extention. After that, you need to get the 13mm bolt out. It might be a little tougher to see, but with an extention not hard to remove. The 13mm bolt is on the drivers side of the heat sheild...just peak around with your flashlight and you'll find it. Once you get those out, the heat shield is removed easily. Sensor is smack center of where the trans meets the engine. Right above the trans bell housing on top of a block that's connected to the engine. Ok, now, you don't need some SPECIAL tool to get this thing out. All you need is a deep well 27mm or a 1 1/16 socket and a 1/2 drive socket cap (for limited access areas) which you can buy at Sears for cheap. Remove the connector to the sensor...just slightly raise the plastic catch and it slides right off. Clean the connector with contact cleaner. Remove sensor with socket, socket cap, and wrench (the wrench turns the socket cap). Easy...I'm mean relatively easy. I tried first from the top...the top sucks. Access is MUCH easier from the bottom. Plus that, when it comes time to reattach the connector, you don't have to do it blind. That's all folks.