How To Change 5.3l Lifters Without Removing Heads

In internal combustion engines, lifters are critical because they allow engines to physically clear the valve train during thermal expansion.

Like many other automotive components, Lifters can degrade over time as a result of normal use or as a result of engine oil and sludge buildup.

Lifters weaken as a result of degradation, and their mobility and performance are also affected.

If you own a vehicle, repairing and replacing tappets is commonplace. If you don’t know how to change 5.3l lifters without removing heads, here’s how.

How To Change 5.3l Lifters Without Removing Heads

Simple steps on how you can replace the 2010 chevy 5.3 lifters.

1. Check your engine

Recognize the position of all pipes, ducts, and sensor equipment. More information can be found in the owner’s manual.

2. Unplug and remove

Now, begin removing the electrical sensors, wires, and tubing while continuing to photograph the process for documentation purposes.

3. Open the manifold

Two upper and lower manifolds must be provided to accommodate the 5.3 motors. The upper manifold must first be removed to gain access to the lower manifold.

This step will require a significant amount of time to disconnect the cable and sensor. Also do not remove the bracket and retaining clip from this position at any time.

4. Removal

Remove all nuts and bolts from the vehicle, starting at the lower air intake and working your way up to the engine compartment.

The next step is to pull the upper manifold up. If it sticks, tap it gently with a rubber mallet to loosen it. Carefully remove the old lifter set from the vehicle.

5. Install a new lifter

Place the new lifters into the bushings of your pattern by pressing them gently. Now, with a wrench, tighten the lifters to their original position and fill them with the necessary lubricant.

6. Assemble

Last but not least, reconnect all previously disconnected cables and sensors. No cables should be intermixed throughout this process, which must be done with extreme precision.

7. Double check

Whatever the case, the next logical step would be to recheck everything, regardless of whether it has been installed or not.

Start the engine and let it run for a few minutes to determine whether or not the lifter is functioning properly.

Lifter replacement is necessary on the 2010 5.3L, just as it would be on any other engine of the same year.

Replacing an old, dysfunctional, or damaged lifter with a new one can result in increased engine power, which in turn can result in improved vehicle performance.

Chevy 5.3 Lifter Replacement Kit

GM 5.3 AFM Lifter Replacement Kit. The kit contains all the necessary components to replace the hydraulic lifter in a car’s engine, which uses oil pressure to adjust a plunger and remove any slack in the valve train. This feature helps reduce engine noise and prolong the engine’s lifespan by minimizing wear and tear. Over time, hydraulic lifters can wear out due to regular usage of a vehicle.

Chevy 5.3 Lifter Replacement Cost

It will cost over $1000 to replace the lifters and camshaft on that engine, and if you get a quote, they will most likely tell you that the final cost will depend on how much additional damage is found after they start taking the top end apart and going through everything.

Gm 6.2 Lifter Replacement Cost

The more typical GM dealer cost for cam and AFM lifter repair is $3500-$4500

Afm Lifter Failure Symptoms

Indications of a cam or lifter misfire typically include a chirping, ticking, squealing, or squeaking sound, as well as the Check Engine light illuminating and engine misfire codes being stored in the vehicle’s computer memory.

The misfire condition may not be visible to the vehicle operator.


Can you replace lifters without removing heads?

Yes, it is possible to change the tappets without removing the heads, and this is what we are going to demonstrate.
However, if you are not familiar with this procedure, you can disassemble the cylinder heads. This is safe for both you and your car.

Are lifters hard to replace?

Repairing the lifter is not particularly difficult from a technical point of view, but it is necessary to disassemble large sections of the engine and get to the guts to complete the process.

How long will a 5.3 Chevy engine last?

The longevity of this engine contributes to its reliability in part due to its high efficiency.

A Chevy 5.3 L engine can anticipate enduring 200,000 to 300,000 miles on the road before needing replacement.

There are some drivers who have had trucks with this engine for over twenty years and have never had any problems with the engine at all.

Final Thoughts

Lifters can fail over time as a result of regular vehicle use. After many years of running your vehicle’s engine, the lifters inside the valve train can become so clogged with sludge and other impurities that they begin to degrade and eventually fail.

New lifters Lifters that are worn out will make a “clacking” noise while in use. When you have the right equipment, replacing lifters is very easy.

Lifters are inexpensive and can be replaced quickly and easily.

Liam Dare

As CEO of, my passion for the automotive world motivates me to build online businesses that provide information and entertainment to users. I am proud to contribute in a positive way to the automotive community.