The 5.3L V8 Vortec 5300 is considered an engine that is extremely reliable. In fact, many vehicle owners with the engine report having the engine run with minimal issues up to 220k miles. Additionally, the engine blocks are very durable also.
How many miles will a 5.3 Ecotec last?
How long will a 5.3 Chevy engine last? A Chevrolet 5.3L engine should be able to last 200,000 to 300,000 miles depending on how you care for the engine.
What does EcoTec3 mean?
Ecotec3 is the name used on General Motors’ Small Block Gen 5 Engines. All include direct injection, cylinder deactivation and continuously variable valve timing, either in V6 form of 4.3L or V8 form of either 5.3 or 6.2 liters.
Does the 5.3 Ecotec have cylinder deactivation?
The EcoTec3 engine family features three state-of-the-art technologies to make the most of power, torque and efficiency across a broad range of operating conditions: Direct injection. Cylinder deactivation.
Are 5.3 Ecotec a good engine? – Related Questions
How much horsepower does a 5.3 L EcoTec3 V8 have?
5.3-Liter EcoTec3 V8
This engine delivers up to 355 horsepower and 383 pound-feet of torque, which gets the job done. Standard on RST Crew Cab 2WD, LTZ 2WD, and High Country 2WD.
Does the 5.3 have lifter issues?
Signs of GM lifter problems
The GM lifter problems seem to be most prevalent in the L84 5.3-V-8 and L87 6.2-liter EcoTec3 V-8 engines with build dates between September 2020 and March 2021. These engines are the newer variable displacement design, which uses DFM rather than the older AFM system.
Which GM engines have cylinder deactivation?
General Motors ever popular 5.3L active fuel management was used in majority of trucks and SUV’s from 2007-2014. This was one of GM’s first designs utilizing cylinder deactivation and active fuel management. LC9, LY5, LC9, LH6 and LMG were the most popular engine codes for this V8 5.3L.
Is the 5.3 Ecotec direct injection?
The Gen-V 5.3L L83 engine delivers a combination of advanced technologies, including Direct Injection, Active Fuel Management (cylinder deactivation), and dual-equal camshaft phasing (Variable Valve Timing) that support an advanced combustion system.
What year did GM start using cylinder deactivation?
“Chevrolet first introduced its Active Fuel Management cylinder deactivation system in 2005, and Dynamic Fuel Management is a natural progression of the technology,” said Jordan Lee, Small Block chief engineer.
What 5.3 engine has AFM?
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| Trim Level |
Engine |
Fuel Management |
| Custom Crew Cab 4WD (with BD1 Custom Max Trailering Package) |
5.3L V8 L82 |
AFM |
| Custom (all other variants) |
5.3L V8 L82 |
No AFM |
| Custom Trail Boss |
5.3L V8 L82 |
No AFM |
| LT |
5.3L V8 L84 |
No DFM |
Does disabling AFM improve MPG?
Additionally, if you happen to spend all of your driving time in the range where the factor AFM V4 mode is the most efficient (and the V8 disabler turns it off), you will see an additional hit to the mileage (usually around 1 mpg).
What year did GM fix 5.3 oil consumption?
As we pointed out before, GM redesigned its 5.3-liter V8 engine after the 2014 model year, using different piston rings and adding a shield to deflect oil away from the piston skirts. The newer versions of the engine also feature a true oil level sensor and new valve covers.
What year did GM stop using AFM?
General Motors employs a number of different technologies to boost fuel economy, but one of these technologies, namely Active Fuel Management (AFM), has nearly been phased out from the 2022 Silverado engine lineup.
Will turning off AFM void warranty?
Because no tuning is involved with your vehicle’s computer, this product will not void the factory warranty. Not only does the AFM Disabler keep your vehicle running smoothly, but it will also have you running on all cylinders, all the time.
What happens when AFM lifters fail?
Any time an engine has failed AFM lifters the lifter guides must be replaced, the lifter bores must be measured, and the VLOM must also be tested for proper operation, or replaced. In addition the VLOM oil filter must be replaced as well.
Which GM engines do not have AFM?
Note: Beginning in March 2021, most 2021 Silverado 1500 and 2021 Sierra 1500 pickups equipped with L82 MYC 6-speed and L84 MQE 8-Speed will be produced without Active Fuel Management/AFM (L82), or Dynamic Fuel Management/DFM (L84).
Is disabling AFM worth it?
To prevent spending big money on AFM related repairs, the best option is to simply delete or disable the AFM system. Not only is it a good thing to do for preventative maintenance, it also gives you a better exhaust sound and keeps your car in V8 mode at all times.
Will turning off AFM stop oil consumption?
When you eliminate the AFM system, the extra oil is no longer needed. Excess oil will be pushed out of the pressure relief valve into the oil pan. This will spray oil on the bottom of the cylinder walls which can cause oil burning, especially in high-rpm engines.
Has GM fixed lifter problems?
There does not seem to be any repair to prevent the lifters from getting stuck and owners of the affected GM cars and trucks are placed into a position of waiting to see if they will become the victim of a faulty lifter resulting in a major engine failure.
Is it worth fixing lifter tick?
If your engine has a lifter tick, or tap, you need to have it fixed as soon as you can, because it can cause serious and expensive problems with your engine.