How to Check for Suspension Damage After Hitting a Pothole

What You’ll Need

A quick look at the tools and supplies commonly used for this job.

Tools

• Flashlight or work light
• Tire pressure gauge
• Floor jack
• Jack stands
• Wheel chocks
• Lug wrench or breaker bar
• Torque wrench
• Pry bar
• Mechanic’s gloves
• Tape measure

Parts & Supplies

• Soapy water in a spray bottle
• Shop towels
• Chalk or paint marker

This article is part of our Suspension and Steering Maintenance & Repair Guides.

Suspension damage after a pothole is not always obvious right away. Your car may still drive, but a bent wheel, damaged tire, leaking strut, or knocked-out alignment can turn into uneven tire wear, poor handling, or a safety issue if you ignore it.

The goal of this inspection is to check the parts most likely to be affected by a hard impact: the tire, wheel, steering components, struts or shocks, control arms, and alignment-related hardware. You do not need a full shop teardown to spot many common problems, but you do need to work carefully and know when the vehicle is no longer safe to drive.

This guide walks through what to inspect, what pass-or-fail signs look like, and when to stop driving and schedule a professional alignment or suspension repair.

What a Pothole Can Damage

A pothole hit sends a sharp upward impact through the tire and wheel into the steering and suspension. Even if the tire does not go flat, the force can bend or crack a wheel, separate belts inside the tire, shift alignment angles, or damage joints and bushings.

• Tires: sidewall bulges, cuts, tread separation, or slow leaks.
• Wheels: bends on the inner or outer rim, cracks, or air loss at the bead.
• Struts and shocks: fluid leaks, bent shafts, or damaged mounts.
• Control arms, tie rods, and ball joints: bending, looseness, or torn boots.
• Alignment: steering wheel off-center, pulling, or rapid uneven tire wear.

Front suspension usually takes the worst of the hit, but rear suspension can also be affected if the same pothole catches a rear wheel. If the impact felt severe, inspect both ends of the vehicle.

Safety Before You Inspect

Start on a flat, solid surface. Set the parking brake, put the transmission in park or in gear for a manual, and chock the wheels before lifting the vehicle. Never rely on a jack alone when working around or under a car.

If you notice a rapidly losing tire, a wheel visibly tilted in or out, a strong burning smell, severe vibration, or steering that suddenly feels unstable, do not continue a normal road test. Those are signs the car may be unsafe to drive.

• Inspect visually before driving again if the pothole impact was severe.
• Use jack stands any time a wheel is off the ground for more than a quick tire check.
• Do not put any part of your body under the vehicle unless it is properly supported.
• If a wheel or tire is visibly cracked, bulged, or losing air, arrange a tow instead of driving.

Initial Checks with the Car on the Ground

Look at the Tire and Sidewall

Start with the tire that hit the pothole. Turn the steering wheel if needed so you can see the inside and outside sidewall. Look for bubbles, bulges, cuts, exposed cords, or any section where the sidewall looks pinched or bruised.

A sidewall bulge is a fail condition. It usually means internal cord damage, and the tire should be replaced, not repaired. Cuts deep enough to expose fabric or cords are also a fail.

Check Tire Pressure

Measure pressure when the tire is cool and compare it with the vehicle placard, not the maximum pressure molded on the tire. A pressure drop after a pothole may point to a bent wheel, bead leak, puncture, or sidewall damage.

If pressure is low, inflate it to spec and recheck after several hours or the next day. Spray soapy water around the tread, valve stem, and wheel bead area if you suspect a leak. Bubbles indicate escaping air.

Inspect the Wheel Face and Rim Edge

Look for gouges, flat spots, cracks, or bends. Outer rim damage is easy to see, but inner rim damage is just as common and may require a closer look from behind the wheel. A visible crack is an immediate fail. A bent lip can also cause vibration or a slow leak.

Compare Ride Height

Stand back and compare the affected corner to the opposite side. The car should sit at roughly the same height left to right. A noticeably low corner may indicate a damaged spring, strut, shock mount, or control arm.

Road-test Signs That Point to Suspension or Steering Damage

If the tire holds air and nothing looks obviously unsafe, take a short, cautious drive on smooth roads. Keep speeds low at first and pay attention to new noises or changes in steering feel.

• Steering wheel no longer centered when driving straight.
• Vehicle pulls left or right on a flat road.
• Shimmy or vibration in the steering wheel or seat, especially at 30 to 70 mph.
• Clunking over bumps that was not present before.
• Excess bouncing after dips or speed bumps.
• ABS or traction control warning lights after the impact.

These symptoms do not all mean the same thing, but they are strong clues. Pulling and an off-center wheel often mean alignment has changed. A clunk can point to looseness in a strut mount, sway bar link, ball joint, or tie rod. Vibration often suggests wheel or tire damage, though alignment and worn suspension can contribute.

Lift the Vehicle and Inspect the Wheel and Suspension

Raise the affected corner using the correct jacking point and support the vehicle securely on a jack stand. Remove the wheel if needed for a better view. Good lighting matters here because small leaks and torn rubber boots are easy to miss.

Check the Wheel From the Inside

Inner rim bends often hide from a casual inspection. Spin the wheel by hand if it is still mounted and watch the inner lip. A wheel that wobbles side to side or has a visible flat spot is suspect. Once removed, inspect the inside barrel carefully for cracks, kinks, or impact marks.

A slight cosmetic scuff may pass, but a crack, severe bend, or any damage causing air loss or vibration is a fail. Replace or professionally evaluate the wheel.

Inspect the Strut or Shock

Look for wet, oily residue on the strut or shock body. A light film of road grime is normal, but streaking fluid or obvious wetness means the unit is leaking. Also check for a bent shaft, dented housing, broken spring seat, or torn upper mount.

A leaking strut or shock is generally a fail because damping is compromised. If one front or rear unit is replaced, many vehicles benefit from replacing the pair on that axle for balanced handling.

Inspect the Coil Spring and Mount

Look for a cracked or broken spring, missing spring isolator, or spring coils sitting out of position. A broken spring may leave the car sitting low on one corner and can create a metallic clunk or scrape.

Check the Control Arm and Bushings

Compare the control arm shape on the damaged side to the opposite side if possible. Look for fresh scrapes, chipped paint, metal distortion, or a bushing that is split, torn, or shifted in its housing. A visibly bent control arm is a fail.

Inspect Ball Joints and Tie-rod Ends

Check the rubber boots for tears and grease leakage. Then grasp the tire at the 3 and 9 o’clock positions and try to rock it. Excess play can indicate tie-rod wear or damage. Grasp at 12 and 6 o’clock and rock again; movement there can point to a ball joint or wheel bearing issue.

Not all play automatically means a bad joint, but any clear looseness, clunk, or visible movement at a steering or suspension joint should be treated as a fail until confirmed and repaired.

Inspect Sway Bar Links and Bushings

A pothole impact can snap or loosen sway bar links, especially if they were already worn. Look for torn boots, bent link shafts, missing hardware, or shifted bushings. These parts commonly cause rattles and clunks over small bumps.

How to Tell if Alignment Has Changed

You cannot accurately measure full alignment at home without specialized equipment, but you can spot strong warning signs. Potholes commonly affect toe first, though camber and caster can also change if a component bends.

• Steering wheel sits off-center when the car tracks straight.
• The vehicle drifts or pulls on a level road.
• One front tire shows fresh feathering across the tread.
• The affected wheel appears more tilted inward or outward than the other side.

You can do a rough left-versus-right tire position check by standing several feet in front of the car and comparing wheel angle visually. You can also use a tape measure across the front and rear edges of the front tires as a crude toe comparison, but this only helps identify a major issue. It is not a substitute for a proper alignment rack.

If steering changed immediately after the pothole, schedule an alignment after confirming there are no bent or loose parts. Alignment should be done after damaged components are repaired, not before.

Pass or Fail Criteria for Common Pothole-related Damage

Use practical pass-or-fail judgment. Cosmetic marks alone may not matter, but structural or leakage-related problems do.

• Tire passes if there are no bulges, deep cuts, exposed cords, or pressure loss; fails if any sidewall bubble, belt separation, or severe cut is present.
• Wheel passes if there is no crack, no obvious bend, and no vibration or leak; fails if cracked, bent enough to wobble, or unable to hold proper pressure.
• Strut or shock passes if dry and straight; fails if leaking, bent, or causing uncontrolled bouncing.
• Control arm, tie rod, and ball joint pass if straight, tight, and boots are intact; fail if bent, loose, or boots are torn with grease loss.
• Alignment passes if steering is centered and tracking is normal; fails if the car pulls, wheel is off-center, or new uneven wear starts quickly.

When in doubt, compare the damaged side to the opposite side. Suspension parts are often easier to judge by symmetry than by memory.

When the Car Is Not Safe to Drive

Some pothole damage should end the inspection and trigger a tow or immediate repair visit. Continuing to drive can lead to tire failure, loss of steering control, or further suspension damage.

• Tire sidewall bulge, exposed cords, or rapidly dropping pressure.
• Cracked wheel or major rim bend.
• Vehicle pulls hard or steering feels loose or unpredictable.
• Loud clunk with visible looseness in a tie rod, ball joint, or control arm.
• Leaking strut combined with severe bouncing or bottoming out.
• Wheel visibly tilted or sitting too far forward or backward in the wheel well.

If any of these conditions show up, do not try to ‘see if it gets better.’ Suspension and steering problems usually get worse, not better, with more miles.

What to Do After the Inspection

If your inspection finds only minor cosmetic wheel scuffs and no drivability changes, monitor tire pressure and tread wear over the next few days. Recheck the suspect corner after a short drive and again after a week.

If you found any damaged or leaking parts, replace them first. After repair, get a professional alignment if the impact involved a front wheel, the steering changed, or any steering or suspension part was replaced.

It is also smart to inspect the wheel bearing and brake components if the hit was severe. While potholes most often affect tire, wheel, and suspension parts, a hard impact can also stress the hub or knock brake hardware out of position.

Good Documentation Helps

Take clear photos of the wheel, tire, and any damaged parts. Note the date, road, and approximate speed when the pothole hit happened. This can help with repair planning and may also be useful for warranty or road-hazard claims if applicable.

Key Takeaways

• Check the tire first for bulges, cuts, and pressure loss, because sidewall damage is one of the most common and most dangerous pothole-related failures.
• Inspect both the outer and inner wheel rim, since inner bends often cause leaks or vibration without being obvious from outside the car.
• A leaking strut, bent control arm, loose tie rod, or torn ball-joint boot is a repair issue, not something to monitor casually.
• If the steering wheel is off-center or the car pulls after the impact, have alignment checked only after any damaged parts are repaired.
• Do not keep driving if the tire is losing air, the wheel is cracked, or the steering feels unstable.

FAQ

Can a Pothole Really Damage Suspension From One Hit?

Yes. A single hard impact can bend a wheel, damage a tire internally, knock alignment out, or stress parts like tie rods, control arms, and struts. The risk is higher with low-profile tires, higher speeds, or already worn suspension parts.

How Soon Do Pothole Damage Symptoms Show Up?

Some symptoms show up immediately, such as vibration, pulling, a flat tire, or a loud clunk. Others may appear over days or weeks, including slow air loss, uneven tire wear, or worsening noise from a damaged joint or strut.

Is It Safe to Drive if the Car Only Pulls a Little After Hitting a Pothole?

A mild pull may simply mean the alignment changed, but it can also indicate bent or loose steering parts. If the pull is small and there are no other symptoms, drive only short distances carefully and schedule an inspection soon. If steering feels loose or the pull is strong, do not keep driving.

Will a Wheel Alignment Fix Pothole Damage by Itself?

No. Alignment only adjusts angles within the range the suspension allows. If a wheel, control arm, tie rod, strut, or other part is bent or loose, those issues must be repaired first or the alignment will not hold correctly.

What Does a Bad Tire Sidewall Look Like After a Pothole Hit?

Look for a bulge or bubble, a deep cut, exposed cords, or a section of sidewall that looks deformed compared with the rest of the tire. A sidewall bulge is especially serious because it means internal damage and the tire should be replaced.

Can a Pothole Cause a Strut or Shock to Leak?

Yes. A sharp impact can damage the seal, shaft, or mount of a strut or shock, especially if the part was already worn. If you see oily fluid running down the body of the unit, it is typically considered failed.

Do I Need to Inspect the Rear Suspension Too?

Yes, especially if the rear wheel also hit the pothole or the impact was severe. Rear shocks, springs, wheels, and alignment angles can also be affected, and rear damage can cause handling problems even if the front feels mostly normal.