|Model||ENGINE OIL PRESSURE F|
|Item Weight||0.48 ounces|
|Item model number||917-143|
|Is Discontinued By Manufacturer||No|
|Exterior||Ready To Paint If Needed|
|Manufacturer Part Number||917-143|
|OEM Part Number||12585328|
|Cover Included||1 Engine Oil Pressure Sensor Filter|
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Dorman 917-143 Oil Pressure Switch Filter for Select Models
- Make sure this fits by entering your model number.
- Direct replacement for a proper fit every time
- Ideal replacement part helps prevent damage to vehicle
- Easy to install - no special tools necessary during installation
- This part has undergone vehicle try-on testing to meet product standards and quality
- Ensure fit – to make sure this part fits your exact vehicle, input your make, model and trim level into the Amazon Garage
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The Engine Oil Pressure Sensor filter is designed to filter debris and other harmful containments from entering the vehicle's engine oil. For an extended service life, Dorman's oil pressure filter is quality tested and ensures an exact fit every time.
From the manufacturer
Dorman is a leading auto parts manufacturer founded in the United States and headquartered in Colmar, Pennsylvania.
Our story began with the first mass market automobile. We were one of the first companies to deliver replacement products for the automotive aftermarket, and we remain at the forefront today.
We give repair professionals and vehicle owners greater freedom to fix cars and trucks by focusing on solutions that save time and money and increase convenience and reliability.
Our team is constantly looking for problems to solve and turning them into new product ideas. Some solutions, like our OE FIX products, you can't even get from original vehicle manufacturers.
We offer an always-evolving catalog of parts, covering both light duty and heavy duty vehicles, from chassis to body, from underhood to undercar, and from hardware to complex electronics.
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Once I got the old sender unit out, I found a machine bolt that was the right size to thread inside the new screen, and used that bolt to easily pull the old screen out. The old one was pretty dirty and had a small tear in the screen, and the old sender unit had a crack in the plastic part, but it was not leaking. Still, probably a good idea to replace both parts.
I replaced both parts and climbed out of the engine bay (Seriously GM? I can literally stand in the engine bay but you have to put this sensor in such a horrible location?).
I started it up, took it for a test drive, but just as I was pulling back into my driveway it happened again. Once again no dice.
I read on some forums that others had fixed this problem simply by changing their oil. The oil was very dirty and the oil change place had put in a very cheap filter, so I decided that it couldn't hurt to try that before we go dropping oil pans and replacing pick-up tube o-rings and all. So I did an oil and filter change with full-synthetic oil and a Mobile 1 filter. Since then I have run it several times, and so far no more oil pressure problems. The code scanner shows nice consistent oil pressure averaging in the mid 50psi range and the gauge shows similar.
So bottom line -- try changing your oil and filter first. You probably need it anyway.
Please know that the primary purpose of this filter is to clean oil that flows into the AFM lifters... it is not necessarily intended to protect the Oil Pressure sensor. This helps explain why GM placed it... along with the oil pressure sensor, on the AFM oil supply assembly.
If your vehicle does not have the AFM capability, it is not appropriate for this filter as these engines aren't designed to use them.
YouTube as several examples of removing this filter and the oil pressure sensor WITHOUT removing your intake manifold.
To extract the old filter from the engine once the oil pressure sensor has been removed, fit a long bolt... some have said 7/16's into your NEW filter to check fit that just threads inside your new filter. Since the old one is the same size... just screw the bolt into your old one a thread or two then slowly extract the old filter. To install the new one, find the hole, slip the new filter in and press fit it in the hole with your finger. Installing the oil pressure sensor (which you might as well replace as it is a high failure rate item) will insure the filter is seated properly.
A couple suggestions:
1. The 5.3 engine is not the cleanest engine in the world when it comes to oil for a few reasons. As such, the main engine oil filter can clog and go into bypass mode which sends unfiltered oil into this new AFM filter and your oil pressure gauge may indicate an oil pressure problem with or without ODB2 codes.
ALWAYS replace your oil and main engine oil filter when you change this filter. Also, if possible, check this AFM filter at each oil change until you understand how well your engine is maintaining the cleanliness of the oil inside it.
2. If you ever have to remove your intake manifold, remove the plastic noise shield that covers access to the AFM filter-Engine oil pressure sensor. Makes the job of replacing these parts much much easier.
If you have the intake removed, its not a hard job (removing the intake was the hard job). If you don't remove the intake, its a big hassle...although it is doable (don't ask me how I know). Because of its location at the back of the engine and severely restricted space, it will take a lot of cussing and time, all while laying on top of the engine. If you are going to do it without removing the intake, I found this right angle adapter (https://www.amazon.com/Cal-Van-Tools-483-Degree-Gearless/dp/B000I1TA5C/ref=sr_1_15?crid=1CANEY9E0WG72&dchild=1&keywords=angle+socket+adapter&qid=1595862778&sprefix=angle+socket+a%2Caps%2C161&sr=8-15) essential to get the pressure sensor out and back in. Worth every penny.