Where is the AFM deflector located on a GM Truck?
This valve is located on the oil pan rail and prevents excessive oil pressure from negatively impacting the AFM components. The original version sprayed oil on the cylinder walls and increased oil consumption. In 2010, GM added a deflector (p/n) NAL-12639759to redirect in into the pan.
Which is GM AFM / DFM disabler do you need?
Colorado ZR2 Bison Corvair Corvette C8 C8.R C7 C7 Grand Sport C7 Z06 C7 ZR1 C7.R Z06 C7.R Edition Mid-Engine Corvette Corvette Racing Cruze El Camino EN-V
How to identify AFM components in an engine?
How to Identify AFM Engine Components. 1 1. Valley Cover. The AFM cover is called the Lifter Oil Manifold Assembly (LOMA). It’s ribbed with solenoids on the underside. It also has an 2 2. Engine Block. 3 3. Lifters. 4 3. Oil Pressure Relief Valve.
Why do I need to upgrade to a non-AFM camshaft?
You MUST upgrade to a non-AFM camshaft because the cam lobes in the four AFM cylinders are ground differently. The engine will have 25 less pounds of compression in those four cylinders which can result in a misfire code. You will need to turn off the AFM system using a computer programmer or custom tuning.
When does AFM kick in on a 2011 GM Truck?
On my 2011, on “D” or M6, when you are going 35-45 mph, AFM kicks in and out and very annoying. So I just put it on M5 and it stays on V8. But when going >65mph, you won’t even notice when the AFM kicks in and out on “D” or M6. So it kicks in at under 40 mph??
What should my AFM be on my truck?
I used my Hypertech to disable AFM on my truck as an experiment. SO many folks are constantly talking about oil consumption, AFM makes for WORSE MPGs, etc., that I thought I would give it a try. With AFM I get between 17.8-18.3 MPG Monday through Friday back and forth to work.
Why do I need to disable AFM on my car?
Disabling it in the early life of the vehicle is supposed to halt or slow down oil ring fowling. This appears to be owner theory and not GM’s. Though I wouldn’t expect GM to blame AFM since they are more concerned with CAFE .
This valve is located on the oil pan rail and prevents excessive oil pressure from negatively impacting the AFM components. The original version sprayed oil on the cylinder walls and increased oil consumption. In 2010, GM added a deflector (p/n) NAL-12639759to redirect in into the pan.