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How To: Replace Inner and Outer Tie Rods
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By NAPA
Honestly,
link hidden, please login to view are rarely a topic of discussion around automotive maintenance until something goes wrong. A torn CV boot seems like a minor issue at first, but if the situation is not remedied quickly, more damage will occur. A CV boot keeps lubricating grease from escaping the spinning link hidden, please login to view. Without grease, the CV joint will wear out rapidly. CV boots also protect the CV joint from water, dirt and road debris. For an often-forgotten replacement part, the CV boot performs a pretty critical job. For even more technical insight, check out “ link hidden, please login to view” CV boots aren’t just for front-wheel-drive vehicles either. Any vehicle design that must transmit power to a wheel, while also allowing for suspension movement, might utilize a CV joint. For example, a late-model, rear-wheel-drive
link hidden, please login to view has an independent rear suspension and two CV axles, each with two CV boots. A late-model, front-wheel-drive link hidden, please login to view also has two CV axles and four CV boots. But, in comparison, an all-wheel-drive link hidden, please login to view has four CV axles and a total of eight CV boots. Is It Possible Fix a CV Boot?
If you’re searching for a how-to guide on replacing a damaged CV boot, you came to the right place. Let’s walk through a CV boot replacement with the help of some NAPA expertise. Keep in mind, a CV axle boot replacement is only for
link hidden, please login to view that are still in good shape. If your CV axle is clicking or the CV boot was damaged and leaking grease for an extended length of time, you need to replace the entire CV axle. Installing a new CV boot and applying
link hidden, please login to view won’t fix an already damaged CV joint. Also, the labor to just replace a CV boot is nearly the same or greater than replacing the entire CV axle assembly. If the link hidden, please login to view costs as much as a new or rebuilt CV axle, the smart choice is to replace the entire CV axle. How Long Does It Take to Replace a CV Boot?
The time it takes for CV axle boot replacement varies by vehicle. Most of the labor time involves removing the CV axle from the vehicle. Budget at least an hour for the job if the CV axle is easy to remove or up to three hours if the vehicle is complicated. Cleaning the CV joint can take another 30 minutes as well.
How to Replace a CV Boot
A typical
link hidden, please login to view includes a new CV boot, two CV boot clamps and grease. Replacing a CV boot requires lifting the vehicle off the ground for easier access to the underside. A repair shop or well-outfitted home mechanic will utilize a vehicle lift, while a DIYer can use something as simple as sturdy link hidden, please login to view. Never use a floor jack to support a vehicle, as they can suddenly fail. Lift the vehicle off the ground. Use a wheel chock to prevent any wheels on the ground from rolling. Remove the wheel on the axle that needs repaired. Refer to a repair manual for what steps to follow to access the CV axle. You will likely need to remove the brakes and detach steering and/or suspension components, as well as the axle nut. Remove the CV axle from the vehicle and place it on a workbench with plenty of working space. Cut off the failed rubber CV boot. The metal CV boot clamps will likely require a pair of link hidden, please login to view. Due to the potential mess caused by the CV joint grease, we recommend wearing a pair of disposable work gloves for this step. Refer to your repair manual for how to remove the CV joint from the axle shaft. Note that inner and outer CV joints are possibly different and might require distinct methods of disassembly. Clean the axle shaft to remove any old grease. Use a link hidden, please login to view to clean the CV joint. Let the CV joint dry thoroughly. If using non-split CV boot clamps, slide them over the axle shaft now. Slide the new CV boot onto the axle shaft, taking care to orient it correctly. The large cone opening should face the CV joint. You may need to use a small amount of silicone lubricant to help move the boot along the axle shaft. Refer to your repair manual to link hidden, please login to view using the correct specified grease. Refer to your repair manual to reinstall the CV joint onto the end of the axle shaft. Slide the CV boot over the CV joint, making sure it is seated evenly. Using the link hidden, please login to view, tighten both CV boot clamps. Reinstall the CV axle along with any components that were removed to access the CV axle. Pay attention to torque specifications during reassembly. Reinstall the wheel and tighten the lug nuts to the correct specifications. Lower the vehicle back to the ground. How Much Does It Cost to Replace a CV Boot?
CV boot replacement cost can range from $300 to $900 depending on the vehicle. It is wise to price out replacement of the entire CV axle as well. In some cases, it is smarter to spend a little more money to replace the entire CV axle rather than spend time changing just a CV boot. Check out the
link hidden, please login to view for a better estimate of what this repair would cost for your vehicle (if applicable). Now that you know the typical steps of how to replace a CV boot, you can decide if this repair is something you can tackle yourself. Your local NAPA Auto Parts store can help you find the right CV axle boot repair kit for your application. You can also shop NAPAonline for
link hidden, please login to view on more than 160,000 items! Don’t feel like doing it yourself or don’t have the time? The link hidden, please login to view at your local link hidden, please login to view have you covered with more than 17,000 locations nationwide. Photo courtesy of
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By NAPA
It’s no surprise that electrification has spread into every corner of the automotive world. From humble local delivery vans to high-voltage track monsters, the gamut of EVs on the road is impressive. So, it is no shock that manufacturers recognized the inherent benefit electric motors have in delivering a ton of torque at initial startup. That gives an EV tremendous power for launching off the line, something enthusiast drivers appreciate. Here’s the top hot rod electric cars that are guaranteed to get your blood pumping in 2024.
Porsche Taycan – 750 Horsepower
Porsche launched the
link hidden, please login to viewin 2019 as its first dedicated electric car. Keeping with Porsche naming conventions, the highest output version, Taycan Turbo S, is the top-of-the-line in terms of performance. No, there is not a “turbo” in the traditional sense, but the Turbo and Turbo S models do get a nice first bump of recognition with the powerful name. Driver’s get a 2.6 second 0–60 mph launch and a 161 mph top speed for track days. Mercedes-AMG EQS – 751 Horsepower
It should come as no surprise that the in-house hot rod division of Mercedes-Benz would get its insulated-gloved hands into the EV market. While the
link hidden, please login to view is not the first electric AMG vehicle (the 2013 Mercedes-Benz SLS AMG Electric Drive gets that nod), it is the first on a dedicated electric vehicle chassis. Mercedes claims a 3.4 second 0–60 mph time, which is .1 second faster than the combustion-engine Camaro ZL1 Coupe from the same year. Rivian R1T – 835 Horsepower
link hidden, please login to view may only sell one vehicle (the SUV is pretty much identical to the truck), but sales show the payoff of extreme product focus. link hidden, please login to view buyers can select the quad motor version for combined 835 horsepower and a 3.0 second 0–60 mph time. That’s faster than a Dodge Challenger Hellcat Redeye, plus it has enough room to pick up a load of mulch from the local garden center. GMC Hummer EV – 1,000 Horsepower
It feels kind of silly labeling the hulking
link hidden, please login to view as an EV hot rod, but stay with us. When the spec sheet shows three motors with a total of up to 1,000 horsepower and a 0–60 mph time of 3.0 seconds flat, that’s hustling. And when that hustle is brought by something the size of a tiny house, it is even more impressive. Sure “Watts to Freedom” mode sounds silly, but it is akin to a tank getting shot out of a cannon, so it matches. Tesla Model S Plaid – 1,020 Horsepower
When it comes to drag racing electric cars,
link hidden, please login to view was likely the first manufacturer to grab driver’s attention. Fans of the 1987 movie “Spaceballs” should get Tesla’s name reference — setting light speed to Plaid. Three motors with a combined 1,020 peak horsepower rocket this sedan to 60 mph in just 1.99 seconds. That’s a full second faster than a new Corvette. It also rips the quarter mile in 9.23 seconds at 155 mph. Just how quick is that? If you want to race your Tesla link hidden, please login to view Plaid at a sanctioned NHRA drag race, it will need a roll cage and a parachute! Tesla Model X Plaid – 1,020 Horsepower
Tesla took the same drivetrain as the already insane Model S Plaid and put it in an SUV, thus creating the
link hidden, please login to view Plaid. The added size and weight took a toll as 0–60 mph now takes 2.5 seconds, but the quarter mile time is just a touch slower at 9.9 seconds. That’s two seconds faster than a Dodge Durango SRT Hellcat. Plus, it has cool gullwing doors and can tow 5,000 pounds. Lucid Air – 1,234 Horsepower
Now we’re getting into ridiculous territory. Dropping $250k on a
link hidden, please login to view Sapphire gets you 1,234 horsepower and a top speed of 205 mph. That money also gets you to 60 mph in 1.89 seconds and an 8.95 second quarter mile time. All this in a four-door sedan that can go more than 400 miles on a single charge. Sure, a Bugatti Veyron will outrun it on the top end, but the Lucid Air Sapphire will make it claw for every inch on the way to 200 mph. Rimac Nevera – 1,914 Horsepower
For our pick of the baddest electric hot rod, we have the Rimac Nevara. This is beyond simply an electric sports car and ventures into pure hypercar territory with a sleek body to match. Its 1.74 second 0–60 mph time set a
link hidden, please login to view in May of 2023 along with a slew of other acceleration world records. It can hit 249 mph in just 21 seconds. It can also go from a dead stop to 249 mph and back to a dead stop in just less than 30 seconds. And, just for silliness, Rimac set a world record for the fastest driving…in reverse (171 mph). Now, for the big downside, that mind bending speed will set you back $2.2 million dollars. NAPA Is Your One-Stop EV Shop link hidden, please login to view
So, there you have it. Electric hot rod options from tame to insane. Rumors still surround a possible electric muscle car from Dodge in the form of the Charger Daytona SRT Banshee, but no official production date is set. Looking to build your own EV muscle car?
link hidden, please login to view is an electric motor swap kit that you should find available to the public soon. Thinking of upgrading to the electric vehicle lifestyle, but you need a complete at-home charging station setup? NAPA has you covered thanks to a partnership with
link hidden, please login to view, which can assist you in purchasing the link hidden, please login to view for your needs, and correctly link hidden, please login to view in your garage. And remember, NAPA Auto Parts has a long history of supplying quality parts for at-home mechanics restoring muscle cars. Tackle your
link hidden, please login to view with the best cooling fans, cold air intakes, control modules and more. Simply shop link hidden, please login to view or head over to your local link hidden, please login to view store. Sign up for link hidden, please login to view now to start earning Points—earn 100 Points, and you get $5 off your next purchase automatically! Photo courtesy of
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By APF
Brake rotors may be replaced for a variety of reasons. One is that replacement is a must if the original rotors are worn out. Every rotor has a minimum thickness or discard specification cast or stamped somewhere on the center hat section of the rotor. When the brake pads are replaced, the rotors always should be measured with a micrometer to determine their thickness. If the rotors are worn too thin and are at or below the minimum or discard thickness (or they cannot be resurfaced without exceeding the limit), the rotors must be replaced.
Worn-out rotors are dangerous for two reasons: Thin rotors cannot absorb and dissipate heat as well as new rotors, which increases the risk of the pads getting too hot and fading with prolonged or heavy braking. Also, thin rotors are more likely to crack and break apart, which would cause brake failure.
Another condition that usually calls for rotor replacement is when the rotors are “warped” and are causing a vibration or pulsation when the brakes are applied. Warped is actually a misnomer, because the rotors are not distorted but are worn unevenly. When there is more than a couple thousandths variation in rotor thickness, it pushes the pads in and out when the brakes are applied. The force is transmitted back through the caliper pistons, brake lines and master cylinder all the way to the brake pedal, creating a vibration or pulsation that can be felt by the driver. The greater the variation in rotor thickness, the stronger the vibration or pulsation. It’s a really annoying condition, though not necessarily an unsafe one. It may be mistaken by the vehicle owner for a problem with their antilock brake system, which also can produce pedal pulsation or vibrations when the ABS system kicks into play.
Uneven rotor wear and thickness variations can be caused by severe rotor overheating (a dragging brake pad or stuck caliper), by distortion in the rotor caused by uneven torque or over-tightening the lug nuts, or even metallurgical defects in the rotor casting itself. High spots on the rotor will often be discolored with a dark bluish tint. Resurfacing the rotor can restore flat parallel surfaces, but often the hard spots that are caused by overheating or uneven wear extend into the metal surface. Over time, this will cause uneven wear again and the pedal pulsation or vibration to return. Replacing the rotors with new ones eliminates any such worries.
Rotors also must be replaced if they are cracked, damaged or severely corroded. The danger is rotor failure due to the cracks or severe corrosion. Some minor heat cracking on the surface may be acceptable, but heavy or deep cracking is not.
Another reason to replace rotors is to upgrade braking performance and/or the appearance of the vehicle. Drilled or slotted rotors do add a performance look to any brake system, and they also can provide improved cooling for the rotors and venting for the pads. The holes and/or slots provide an escape path for hot gases that can form between the pads and rotor when the brakes are working hard. Holes and slots or wavy grooves in the rotor face also create turbulence, which improves airflow and cooling.
Some vehicles come factory-equipped with “composite” rotors that have a thin stamped steel center hat section mated with a cast rotor body to save weight. This type of rotor tends to be more sensitive to uneven wear and distortion than one-piece cast rotors. Composite rotors also are more costly to replace, so one-piece aftermarket cast rotors are a replacement option. However, if replacing composite rotors with one-piece castings, both rotors (right and left) should be replaced at the same time to maintain even braking and alignment side-to-side. On some vehicles, replacing a composite rotor with a thicker cast rotor also may alter wheel geometry slightly, creating increased toe-out and tire wear when turning.
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