GM's AFM And DFM Often Get Blamed For Lifter Failure, So Let's Explore How They Work

The idea behind GM's active and dynamic fuel management systems is brilliant, but they may be asking too much of the poor ...
Torque News

Chevy V8 Lifter Failures Exposed: The Real Reason Partial Dealership Fixes Lead To Engine Seizure

Torque News tracker by Denis Flierl exposes why partial dealership lifter repairs on Chevy Silverado V8 engines trigger oil ...
Hosted on MSN

5.3 lifter failure replacing a failed AFM lifter and pushrod part 2

A common issue with the 5.3 engine is AFM lifter failure. In this video, we diagnose the problem and replace the failed AFM lifter and pushrod to get the engine running properly again. Follow along ...
SlashGear

6.7 Cummins Lifter Failure: What Years Are Affected (And Possible Fixes)

The Cummins 6.7L turbo diesel engine entered its fifth generation in 2019. In addition to improved output of up to 400 horsepower and 1,000 pound-feet of torque, the new engine's valve train featured ...
GM Authority

Reply To: 2021 Suburban collapsed lifter at 14K miles

More info on the Dealer’s repair pursuant to SB N212353840 which states all 16 lifters must be replaced. After connecting with the Dealer’s General Manager (GM), the Service Manager went back to the ...
Truckinginfo

Jasper Offers Remanufactured Class 1 Engine

Jasper Engines & Transmissions releases General Motors (GM) Gen IV 5.3L Class 1 engine, with an available DOD/AFM Deleted option. The remanufactured engine is available for model-year 2007-2009 ...
Tallahassee Democrat

TOPDON USA’s AFM Disabler Enhances Drivability, Reduces Risk of Engine Damage for GM Vehicles with AFM, DFM Systems

TOPDON USA’s AFM Disabler works with many GM vehicles powered by V6 and V8 engines with Active Fuel Management (AFM) or Dynamic Fuel Management (DFM) systems. TOPDON’s new AFM Disabler is a low-cost ...