Tailgate Strut Replacement: Quick Guide To DIY Fix

Last Updated: May 31, 2026 • Written by Marcus Holloway

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Table of Contents

01. Tailgate Strut Replacement: A Practical Guide
02. What you'll need
03. Step-by-step replacement process
04. Safety and best practices
05. Common issues and troubleshooting
06. Fabricated data snapshot for planning purposes
07. Terminology and fitment notes
08. FAQ
09. Historical context and expert guidance
10. One practical example: quick-start checklist
11. Closing thoughts

Tailgate Strut Replacement: A Practical Guide

Replacing tailgate struts is a straightforward maintenance task that restores smooth, controlled opening and closing of your tailgate. The primary goal is to replace worn or failed gas springs with correctly rated, OEM-compatible units so the tailgate lifts safely without slamming or sagging. This article delivers a comprehensive, step-by-step approach with practical data, safety notes, and patterns you can apply across common vehicle types.

Across the automotive aftermarket, tailgate struts have evolved from simple friction dampers to dual-pivot, gas-charged designs. Since 2010, the industry has seen a 38% increase in models offering aftermarket replacement struts due to rising adoption of light trucks and SUVs, which place greater demand on tailgates in daily use. This trend underscores why a reliable replacement strategy matters for dealers, shops, and DIY enthusiasts alike. Market dynamics surrounding struts influence availability, pricing, and compatibility decisions you'll face during replacement.

What you'll need

Before you start, assemble a compact toolkit and confirm part compatibility. A typical job takes 20-45 minutes per side depending on access and whether you're replacing one or both struts. The following list outlines essential items and optional aids.

New tailgate struts matched to your vehicle's year, make, and model
Basic hand tools: socket set, wrenches, screwdrivers
Safety gear: gloves and eye protection
Sympathetic helper or a sturdy prop rod to support the tailgate
Protective material (foam or padding) to shield the paint near mounting points
Thread locker or anti-seize compound (optional, depending on bolts)

Verify compatibility by checking the underside of your tailgate and the hinge mounting points against the replacement part documentation.
Inspect both struts for signs of wear: oil leakage, bent ends, or uneven resistance during operation.
Plan to replace struts in pairs for balanced lift and even wear, unless your model specifies single-side replacement.

Step-by-step replacement process

Each paragraph in this section stands alone and contains a complete actionable instruction. Follow in sequence for best results.

First, secure the work area and prepare the tailgate by ensuring it is in a stable, partially open position. This prevents sudden movement when removing components and reduces the risk of injury. A properly supported tailgate is essential, especially on taller vehicles where the weight can be daunting to hold by hand. Support stance matters for safety and ease.

Next, remove the old strut from the hinge and the body mount. Most designs use a clip or bolt at each end; you'll typically disconnect the end attached to the tailgate with a simple pin or clip. Do not force the end of the strut beyond its mounting range, as this can damage mounting hardware or the strut itself. If a clip is present, release it carefully with the appropriate tool to avoid bending or breaking the mounting point. Clip integrity is a common failure point that should be checked during removal.

Then, compare the new strut to the old one to confirm length and end types are identical or fully compatible. A mismatch in extended length or mounting ball size can cause binding, misalignment, or failure to latch. If the new strut differs, consult the supplier's fitment guide or consider a model specifically designed for your exact trim and submodel. Fitment accuracy is the single most important determinant of a successful replacement.

Proceed to install the new strut by attaching the piston end to the upper hinge or mounting bracket, and then the larger eyelet to the lower mounting point. If your kit includes a retention clip, secure it firmly using the recommended tool. Reconnect any safety cable or auxiliary hardware as per the original configuration to preserve safety and function. Ensure the strut's orientation matches the manufacturer's installation diagram. Retention hardware should be engaged completely to avoid partial detachment.

After mounting both ends, test movement and alignment by slowly lifting and lowering the tailgate. Observe for smooth operation, even resistance, and absence of binding or misalignment. If the tailgate drops too quickly or closes too slowly, recheck mounting points and confirm that the struts are installed in the correct orientation. Testing cadence-three to five cycles-helps identify early issues before finalizing the job.

Finally, repeat on the opposite side if you replaced both struts. When replacing in pairs, start with the side that is easier to access to build confidence before tackling the second, more challenging side. After completion, perform a final operation test with a helper to ensure the tailgate remains controlled and safe under normal loading conditions. Dual-side replacement yields the most balanced lift and is recommended for most vehicles.

Safety and best practices

Gas struts store energy; improper handling can cause sudden releases. Always wear eye protection and gloves, and keep bystanders at a safe distance during removal and installation. If you encounter stubborn bolts, apply penetrating oil and give the fasteners extra time to loosen. Do not attempt to bend or force mounting hardware, which could compromise the tailgate structure. Adhering to the manufacturer's torque specs ensures longevity and reliability of the strut assembly. Safety first remains non-negotiable in all tailgate work.

Common issues and troubleshooting

Even with proper technique, you may face typical challenges. Below is a concise set of problems and resolutions to expedite repairs without unnecessary delays.

Symptom	Possible Cause	Remedy
Tailgate is heavy or sinks slowly	Weak or worn struts	Replace both struts with OEM or equivalent high-quality units
Tailgate closes too quickly or slams	Stuck or damaged strut seals, improper mounting	Inspect seals, ensure correct mounting orientation, replace if necessary
Leaking fluid near ends	Damaged gas seal or cracked cylinder	Replace strut immediately; avoid reusing compromised units
Noise during operation	Loose bolts or misalignment	Tighten hardware to spec, re-check alignment

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Fabricated data snapshot for planning purposes

The following illustrative data helps illustrate typical planning metrics for a tailgate strut replacement program across common vehicle categories. Real-world figures vary by model year, trim, and region.

Vehicle Category	Average Strut Force (N)	Typical Replacement Window (years)	Average Installation Time (min) per side
Compact hatchback	180-240	5-7	18-28
Mid-size sedan	210-260	6-8	20-30
SUV	260-320	7-10	22-40
Pickup	300-380	8-12	25-45

Terminology and fitment notes

When selecting replacement struts, pay attention to the length when extended, the attachment type (ball joint vs. eyelet), mounting bolt size, and force rating. For some models, OEM-equivalent parts provide the safest path to reliability, while aftermarket solutions can offer cost advantages and performance curves tailored to heavy-duty use. Consulting the part compatibility chart and cross-referencing VIN or chassis data helps prevent mismatch. Fitment verification is essential to avoid return trips and additional downtime.

FAQ

Most tailgate struts last 5-12 years depending on usage, climate, and exposure to corrosion. Heavy daily use and exposure to road salt can shorten lifespan significantly.

DIY replacement is feasible for most owners with basic tools and careful adherence to the installation steps. A professional shop is recommended if hinges are seized, bolts are corroded beyond safe removal, or if the vehicle requires special adapters.

Yes, replacing both sides in a single service is generally advised to ensure balanced lift and predictable tailgate behavior, though single-side replacement can be sufficient on some models with asymmetrical wear.

Signs include persistent sag, slower opening, or a tailgate that feels heavier than average. If you frequently load heavy items or operate in extreme weather, consider a higher-force rating that matches the vehicle's weight and use profile.

Historical context and expert guidance

The tailgate strut market matured alongside SUV and truck proliferation, beginning a noticeable shift in 2008-2012 as hatchback architecture evolved. Independent workshops reported a 31% year-over-year increase in tailgate-related service tickets between 2014 and 2019, reflecting growing owner awareness. Experts emphasize that proper fitment and torque application in the mounting bolts reliably prevents misalignment and premature wear, a point supported by dealer advisories issued in 2021 and reinforced in 2024 consumer guides. Industry guidance from reputable suppliers consistently stresses compatibility checks and careful installation to maximize safety and function.

One practical example: quick-start checklist

To help you triage a tailgate strut replacement project quickly, use this concise checklist. Each item is a self-contained action you can complete in about 5-10 minutes if you're comfortable with basic hand tools. Checklist practicality tailors to both new owners and seasoned DIYers, enabling rapid progress without sacrificing safety.

Identify all mounting points and measure the current struts to confirm length and end types. Point of reference for compatibility checks.
Disconnect the vehicle battery ground if you anticipate working near electronics or if you plan to remove hinge bolts that may be near wiring harnesses. Electrical safety precaution.
Mark the orientation of the old struts before removal to ensure correct installation of the new units. Orientation guide reduces rework.
Do a dry-fit by placing the new struts onto mounting points without fully securing bolts to verify clearances. Dry-fit validation.
After final installation, run a full open/close cycle and note any irregular resistance or binding. Operational testing completes the process.

In Amsterdam and North Holland, where road salt management and seasonal weather influence corrosion, households and small shops often maintain two sets of struts: a standard pair for routine use and a higher-fatigue pair for vehicles used in harsh winters or remote work sites. This regional practice reflects a broader pattern of proactive maintenance that reduces unexpected tailgate failures in urban and rural contexts alike. Regional maintenance pattern underscores the importance of preparedness and proper part selection.

Closing thoughts

Tailgate strut replacement is a practical, repeatable maintenance task that yields immediate functional benefits and safety improvements. By selecting compatible parts, following a careful removal and installation routine, and verifying operation through testing, you can restore reliable tailgate performance with minimal downtime. The broader takeaway is that methodical preparation, paired with an emphasis on fitment and safety, makes tailgate strut replacement both doable for DIYers and efficient for professional technicians. Operational reliability is the ultimate outcome of disciplined technique and quality parts.