The Complete Guide to Shocks, Shock Replacement, and Shock Rebuilding for Peak Vehicle Performance

February 3, 2025
A group of tires are stacked on top of each other.

If you’ve been feeling every bump in the road on your daily drives through Murrieta and Riverside, it might be time to check your vehicle’s shocks.


At 395 Auto & Performance, we know that worn or failing shock absorbers don't just make for an uncomfortable ride—they can compromise your safety, cause costly damage to other suspension components, and shorten the lifespan of your tires.


In this comprehensive guide, we’ll break down everything you need to know about shocks, shock replacement, and shock rebuilding so you can get back on the road with confidence.


What Are Shocks and Why Are They So Important?

Shocks, also known as shock absorbers, are one of the most essential components of your vehicle’s suspension system. Their primary job? To control the movement of your springs and suspension, absorbing the impact of uneven roads and helping your tires maintain proper contact with the pavement.


In areas like Moreno Valley, where roads can vary from smooth highways to rugged back roads, reliable shocks are crucial.


Without properly functioning shocks, you’re not just risking a bumpy ride; you’re putting your braking, handling, and overall safety at risk.


Why Shocks Matter


  • Improve vehicle stability
  • Minimize wear on tires and suspension
  • Enhance braking performance
  • Provide a smoother, more controlled driving experience

Types of Shocks: Which Are Right for Your Vehicle?

At 395 Auto & Performance, we frequently handle a diverse range of shocks, catering to everything from standard daily driver configurations to high-performance builds designed for off-roading in desert terrains.


Understanding your choices is essential for selecting the appropriate shock replacement or rebuild when the need arises.


Common Types of Shocks

A detailed black and white view of a twin tube show, highlighting its structural features and engineering.

Twin-Tube Shocks


These are the most common shocks found in standard vehicles. They use two cylinders—one inside the other—to manage fluid movement and dampen the ride. Affordable and reliable, twin-tube shocks are ideal for everyday driving.

A pair of red coilover shocks displayed against a white background, highlighting their vibrant color and structure.

Coilover Shocks


Coilover shocks combine the shock absorber and coil spring into one compact unit, making them ideal for custom suspension setups. These are common in both track cars and off-road rigs.

A red and silver air compressor, featuring technology to bypass shocks for improved efficiency.

Bypass Shocks


For serious off-roaders and racers, bypass shocks allow for adjustable damping at different points of the suspension's travel—perfect for tuning your ride exactly how you like it.

A detailed black and white view of a monotube shocks, highlighting its structural features and engineering.

Mono-Tube Shocks


Offering better heat dissipation and more consistent performance, mono-tube shocks are a popular choice for performance vehicles or trucks that handle heavy loads.

Two blue and white remote reservoir shock absorbers displayed on a white background.

Remote Reservoir Shocks


If you spend your weekends exploring off-road parks like Wildomar OHV, you might want to consider remote reservoir shocks. They provide improved fluid capacity and cooling for those tough conditions

How to Know When Your Shocks Need Replacement

A frequent question we receive at 395 Auto & Performance is, “How can I tell when it's time to replace my shocks?”


The issue is that shocks wear out gradually, so many drivers get used to the slow decline without noticing just how much their suspension has been affected.


Here are some telltale signs that your shocks are overdue for replacement:


  • Excessive Bouncing: If your vehicle bounces multiple times after hitting a bump, your shocks aren’t controlling the motion like they should.

  • Nose Diving: Does your car pitch forward when you brake? This is a clear indicator of worn-out shocks.

  • Swaying or Body Roll: Feeling like your car is leaning or swaying during turns? Time for a shock replacement.

  • Uneven Tire Wear: Bad shocks allow the tires to bounce more, causing irregular wear patterns.

  • Visible Fluid Leaks: If you notice oil leaking from the shock body, it’s game over for that shock absorber.

The Shock Replacement Process: What to Expect

When you bring your vehicle to 395 Auto & Performance for a shock replacement, we follow a thorough process to ensure your new shocks perform flawlessly.


Inspection and Diagnosis

We’ll begin with a thorough inspection of the full suspension to evaluate the state of your shocks, struts, and other related parts.


Drawing on our extensive local experience, we’ll also take into account environmental factors—such as whether you frequently drive on rough roads —that could have contributed to increased wear.


Selecting the Right Shocks

Not all shocks are the same. We’ll suggest the perfect shock replacement tailored to your vehicle's make and model, your driving habits, and how you utilize your vehicle—whether you're navigating through Murrieta traffic or taking weekend trips to Temecula.


Professional Installation

We’ll remove the old shock absorbers, install the new ones with precision, and torque everything to manufacturer specifications.


Post-Installation Alignment

After replacing your shocks, it's crucial to have an alignment check. New shocks can alter your suspension geometry, so we make sure your vehicle drives straight and your tires wear evenly.


When it comes to shock replacement and rebuilding, 395 Auto & Performance is recognized for our experience

Why Trust 395 Auto & Performance?

We’re more than just your local auto shop—we’re your neighbors who truly get the unique driving challenges of the Inland Empire.


Whether you're commuting through Lake Elsinore, transporting gear to Hurkey Creek, or exploring the trails at Johnson Valley, our skilled team is here to provide you with top-notch shock replacement and shock rebuilding services.


395 Auto & Performance Is Your Go-To for SHOCK REBUILDING & Suspension Solutions

While replacing worn-out shocks is usually the preferred option, many savvy drivers in the Inland Empire are opting for shock rebuilding.


This method is particularly favored by off-road enthusiasts and performance vehicle owners, as it can rejuvenate your vehicle’s ride quality and handling while being more cost-effective. 


Let’s explore what shock rebuilding entails, how it stacks up against replacement, and whether it’s the best choice for your sweet ride.

What Is Shock Rebuilding?

At its core, shock rebuilding involves completely taking apart your shock absorbers, checking and replacing any worn internal parts, refreshing the fluids, and bringing the shock back to a like-new state. 


This is a common choice for high-end or performance shocks, such as remote reservoir shocks, bypass shocks, and coilovers, which are intended to be serviced rather than thrown away. 


Why Rebuild Shocks Instead of Replace Them?

  • Cost Savings: Rebuilding premium shocks is often far more affordable than full replacement, especially for specialized or custom suspension setups.

  • Performance Restoration: A quality shock rebuild brings your ride quality and damping control back to factory or upgraded spec.

  • Customization: During a rebuild, we can tune the shocks to your driving needs, whether that's street, track, or off-roading.

  • Sustainability: Instead of tossing out your worn shocks, rebuilding them helps reduce waste and extend the life of high-quality components.

When Is Shock Rebuilding the Right Option?

At 395 Auto & Performance, we typically recommend shock rebuilding when:


✅ You own rebuildable shocks like King, Fox, Bilstein, or ICON.


✅ You’re noticing performance decline but the shock bodies are still structurally sound.


✅ You’ve put significant miles on your suspension—especially if you’re running hard on Cleghorn Road.


✅ You want custom tuning to match upgraded springs or altered ride height.


Our Shock Rebuilding Process

When you trust 395 Auto & Performance with your shock rebuild, you’re getting meticulous, professional service from suspension experts who understand how vital your shocks are to every mile you drive.


Step 1: Full Disassembly

We carefully take apart each shock absorber, documenting wear and identifying components that need replacement.


Step 2: Deep Cleaning

Every part is cleaned to remove old oil, debris, and contaminants. Dirt and grit from off-roading  are common culprits of internal wear.


Step 3: Inspection & Replacement

We inspect seals, bushings, piston wear bands, and shafts. Worn parts are replaced with fresh, high-quality components.


Step 4: Reassembly & Refill

After reassembly, we refill the shocks with fresh oil and, if applicable, recharge nitrogen levels to spec for optimal damping.


Step 5: Testing

Before reinstalling, we bench test the shocks to ensure smooth operation and consistent performance.


Shock Rebuild vs. Shock Replacement: Which Is Better?

Still unsure whether to rebuild or replace your shocks? Here’s a quick comparison:

Feature Shock Replacement Shock Rebuilding
Best for Worn, non-serviceable shocks High-end, serviceable shocks
Cost Moderate to high (new shocks) Lower than replacement
Customization Limited Fully turnable during rebuild
Environmental impact Higher (discard old shocks) Lower (resuse original body)

If you're using standard OEM-style shocks on your daily drives in Riverside County, replacing them entirely could be the best option.


However, if you've put money into high-quality suspension or frequently go off-roading, rebuilding your shocks is a wise and budget-friendly method to maintain your suspension performance.


FAQs About Shocks, Shock Replacement, and Shock Rebuilding

  • How often should I replace or rebuild my shocks?

    • For daily drivers, we recommend inspecting your shocks every 50,000 miles.
    • Depending on usage, off-roaders and heavy-duty users may need service as often as every 15,000 to 20,000 miles.
  • Can I drive with leaking shocks?

    Technically, yes—but you shouldn’t. Leaking shock absorbers lose their damping ability, making your vehicle unsafe. Schedule a shock replacement or rebuild immediately.

  • What’s the difference between shocks and struts?

    Both control motion and support handling, but struts are structural parts of the suspension, while shocks are stand-alone components. You can get both serviced at 395 Auto & Performance.

  • How do I know if my shocks are bad?

    Common symptoms include:

    • Excessive bouncing
    • Nose-diving when braking
    • Poor handling or swaying
    • Uneven tire wear
    • Visible leaks

  • Is it better to replace or rebuild my shocks?

    If your shocks are rebuildable, rebuilding can be a better investment. But replacement is the way to go if they’re sealed units or severely damaged.


Why 395 Auto & Performance Is the Leader in Shock Services

When it comes to shocks, shock replacement, and shock rebuilding, 395 Auto & Performance is recognized for our experience, expertise, and local knowledge.


We know the specific challenges that Riverside County roads, trails, and climate present for your vehicle.


✅ Certified technicians who specialize in suspension systems


✅ Access to premium shock absorber brands and rebuild kits


✅ Local knowledge of desert, mountain, and highway driving conditions


✅ Honest, upfront pricing and advice


Whether you’re starting to see signs of shock wear or gearing up for a complete suspension overhaul, we’re here to ensure your ride remains smooth, safe, and prepared for anything the road—or trail—might present.


Two red shock absorbers are sitting on a brown surface.
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