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Getting Your Car Ready for School
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By NAPA
When it comes to working in the shop, personal safety should always be the top priority. Safety glasses, gloves, hearing protection, even work boots are all meant to keep your body protected. It should come as no surprise that with new hybrid and electric drivetrains, there are also new safety gear requirements. Insulated tools are just the start of a well-stocked shop. There’s more to electrical safety than just owning a set of
link hidden, please login to view. This expert advice is meant to give an overview of the kinds of general
link hidden, please login to view (PPE) needed to service hybrid and electric vehicles. It is important to follow proper repair procedures for these vehicles, as described in the vehicle specific repair manual. This includes using all required PPE listed in the repair procedure with no exceptions. If you do not have ALL of the necessary PPE, DO NOT proceed with a repair, as doing so could lead to severe injury or even death. Now that you have an idea of the serious nature of vehicle high-voltage electrical systems, let’s take a look at how you can protect yourself. Personal Protection
Wearing the right personal protection gear is a must when working with electric and hybrid vehicle high-voltage systems. The electrical energy stored in a typical main traction battery pack is more than enough to kill or seriously injure a person.
In the past, wearing gloves while working on a car was usually a personal preference. Today, when working on high-voltage electrical systems, wearing gloves is mandatory. And not just one pair of gloves, but two pairs (inner and outer) are to be worn together. Just in case you are wondering, welding gloves are NOT the same as high-voltage
link hidden, please login to view. Class 0 gloves are required for protection up to 1,000 volts AC and 1,500 volts DC. One pair of rubber gloves (inner) protects against electric shock, while the leather gloves (outer) protect the rubber gloves from mechanical wear. They must be worn together in order to perform correctly. Electrical gloves
link hidden, please login to view every six months to ensure they are still capable of insulating the user from the rated voltage. Gloves will be labeled with the test date near the cuff. The exact personal protection gear needed for a repair will be spelled out in the vehicle service repair manual procedures. This may include an insulated apron,
link hidden, please login to view, insulated arm sleeves, link hidden, please login to view, arc flash face shield with neck protection, and insulated mats or blankets. These layers of protection are necessary not just for avoiding shocks, but also potential explosions like an arc flash. Tool Safety
It may seem odd to consider hand tools as part of personal protection equipment, but that is exactly the case when working with electricity. Most ordinary hand tools are made from metal, which does an excellent job conducting electricity. For servicing high-voltage electrical systems tools need to be designed in such a way that they don’t provide a path for electricity to travel to the technician, or to other vehicle components. That’s why EV tools are specially designed to protect the technician when used properly.
An EV tool set is a must-have for any technician looking to service an electric vehicle. A good start for insulated hand tools is an insulated screwdriver set, an
link hidden, please login to view and an link hidden, please login to view. Electric vehicle tools used for diagnostics need to handle higher voltages, like this link hidden, please login to view. For repairs where the battery pack must be removed, special care must be taken due the extreme weight involved. A link hidden, please login to view is the proper way to lower and transport a hybrid or electric vehicle battery pack. You wouldn’t pull an engine out of a car without the proper lifting equipment, so give the same respect to a heavy traction battery pack. Work Space Safety
Normally, when a car is being worked on in a service bay, there is little danger to fellow technicians. But that isn’t the case with a modern electric or hybrid vehicle. Whenever the high-voltage electrical system on one of these vehicles is exposed, proper notification must be given to those working in the area. Place
link hidden, please login to view and link hidden, please login to view around the vehicle whenever the high voltage electrical system is being serviced. This warns other technicians that there is an electrical shock hazard in the shop, and to keep their distance. You may also place an electrical warning sign on the vehicle to signal to everyone in the shop to stay away. Part of your workspace safety gear must be an
link hidden, please login to view. If a technician suffers an electrical accident while working on a vehicle, anyone attempting to help them is also in danger of electric shock. An insulated safety hook must be used to separate the victim from the electrical source. The last tip for work space safety is to never work on an electric or hybrid vehicle alone. Always let another technician or coworker know you are working on a high-voltage electrical system, and to check in on you periodically. Training Is The Key To Safety
Working on hybrid and electric vehicle high voltage systems requires meticulous procedures and extensive training. While there are plenty of dangers when working on internal combustion vehicles, many of the safety procedures surrounding those vehicles have been known for decades. As EV and hybrid drivetrain become more mainstream, so will their service safety procedures.
Tackling hybrid and electric vehicle high-voltage system repairs isn’t impossible, but there must be dedication to proper training. If you are a technician (or are wanting to become a technician), and are looking for electric vehicle service training,
link hidden, please login to view can help. NAPA Auto Tech offers a wide variety of convenient, cost-effective ways to become an automotive professional. In addition to eLearning and instructor-led training, NAPA Auto Tech offers hands-on and seminar-style classes for almost every make and model to help technicians keep their skills up to date. Photos courtesy of Brian Medford.
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By NAPA
The NAPA Network supplies adventure seekers and outdoor enthusiasts with the best RV cleaning products to keep their home away from home fresh and road ready. Whether you drive a large recreational vehicle with its own engine or tow-behind camper trailers, including Airstreams, pop-ups and fifth wheels, we have you covered. And of course, NAPAonline and NAPA Auto Parts stores carry
link hidden, please login to view. To start off, browse through products specifically designed for
link hidden, please login to view. Suck up any loose debris, dirt and pet hair using a high-powered link hidden, please login to view from popular brands like Craftsman, Armor All and Milwaukee. Keep in mind, even the best vehicle vacuum leaves behind crumbles wedged into crevices. To grab up as much as possible, utilize a link hidden, please login to view that can squeeze into hard-to-reach gaps. A cleaning gel features a non-stick, residue-free formula that leaves no mess behind, making it simple to clean your vehicle’s surfaces without the need for water or additional cleaning agents. link hidden, please login to viewIf you are shopping for the best products for RV interior spring cleaning, you can’t go wrong with
link hidden, please login to view. An RV is jam packed with surfaces that are coated with sticky handprints, food residue, grimy gear and pet hair. This multi-surface cleaner does not contain bleach, and is safe to use on vinyl and upholstery fabrics. And, after being applied, it will prevent mold and mildew from forming, which is great for families spending time at the beach or lake. Speaking of surfaces, an RV camper is filled with glass surfaces from appliances to bathroom fixtures to windows inside and out. Our NAPA experts highly recommend grabbing a bottle or two of the
link hidden, please login to view. If foam glass cleaner is your thing, go for the ammonia-free link hidden, please login to view that works on windows, mirrors and more. And finally, no bucket of RV cleaning products would be complete without air fresheners. Place
link hidden, please login to view underneath seats or inside cabinets and drawers. This vehicle deodorizer works on smoke, pet smells and food odors that are difficult to remove. For a quick refresh, stock up on a link hidden, please login to view from Chemical Guys. Don’t forget, participating NAPA Auto Parts stores offer a convenient
link hidden, please login to view option, so you can get back on the road in no time. And, NAPA offers even more savings with link hidden, please login to view. Earn 1 Point for every $1 you spend. Collect 100 Points, and automatically get $5 off your next order. Get Your RV Road Ready For Spring
At NAPA, we realize you bought an RV camper to spend more time outdoors, so let’s head outside. To start off your kit of RV exterior cleaning products, our experts recommend purchasing a solution to tackle splattered bugs, road tar and bird droppings. Because your recreational vehicle is massive, and you are likely to need to complete many washes in a season, go for the 32-ounce concentrate of
link hidden, please login to view by Sea Foam. This pre-soak eliminates the need for hard scrubbing, and is safe on vehicle paint, clear coats, gel coats, metal, glass, mirrors, outdoor carpet, plastic and vinyl. Follow up this pre-wash application with a true RV exterior cleaner, like a
link hidden, please login to view from Griot’s Garage. The ultra-slick formula offers a versatile application, including a traditional hand-applied bucket wash or with a foam sprayer. After doing all this intense spring cleaning, protect your hard work with the best RV wax that is safe on fiberglass. Our experts recommend, link hidden, please login to view, formulated specifically to remove oxidation from fiberglass or painted surfaces. The glossy shine provides unbeatable protection from harsh UV rays. Apply by hand or with an electric buffer. Need to stock up on the best RV roof cleaner? For RV roof cleaning, grab a bottle of Meguiar’s
link hidden, please login to view. It cleans, penetrates and rejuvenates nonpainted vinyl and rubber surfaces like new. Then, work your way down to any pull-out awnings. link hidden, please login to view should do the trick. It works on both vinyl and canvas materials. And finally, keep a can of link hidden, please login to view on hand. Of course, spring cleaning an RV is only one part of the long list of maintenance items for this rewarding passion. The NAPA Network carries the
link hidden, please login to view you need, from a link hidden, please login to view to link hidden, please login to view and link hidden, please login to view. And check out these detailed guides by the NAPA Experts on link hidden, please login to view and link hidden, please login to view. Photo courtesy of
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By NAPA
Is your car not shifting gears like it used to? An automatic transmission makes driving much less complicated than the manual gear (stick shift) alternative. But that convenience comes at the price of complexity. When an automatic transmission equipped car won’t shift gears, there could be several potential issues. These issues can range from a simple fix to needing a complete transmission rebuild. Below is technical expertise on “Why is my automatic car not shifting gears?”
Low Transmission Fluid link hidden, please login to view
Your automatic transmission relies on hydraulic fluid pressure to operate. The pump pulls
link hidden, please login to view from the transmission pan reservoir to actuate different components. If the transmission fluid level gets low enough, the pump will be unable to push fluid where it needs to go. Even worse, the pump will pull air into the system, which could lead to a lack of lubrication that damages parts. If you are lucky, your vehicle has a transmission fluid dipstick so you can easily check the fluid level according to the instructions in the owner’s manual. If your vehicle does not have a transmission fluid dipstick but is “
link hidden, please login to view”, that doesn’t prevent you from checking the fluid level. In most cases, the fluid can be checked via a fill plug, but the transmission has to be at a certain temperature and the vehicle must be level. This isn’t an easy task, so it might be best to have your local link hidden, please login to view do it for you. Faulty Shift Solenoid
We just mentioned how an automatic transmission relies on pressurized fluid to operate, but that fluid also needs to be routed to where it is needed. In a modern, electronically controlled automatic transmission, shift solenoids control the flow of transmission fluid. If the shift solenoid is faulty, then the fluid won’t be routed to the desired shift actuator. In older non-electronically controlled transmissions, shifting was controlled by shift valves, but the idea is the same. Shift solenoids can wear out or get stuck, leading to a no-shift condition. Fixing a faulty shift solenoid usually requires removing the transmission fluid pan to access the transmission valve body.
Low Transmission Fluid Pressure
You should be seeing a pattern of how important hydraulic fluid is to the operation of an automatic transmission. If the transmission fluid level is fine, there may still be a problem with the fluid pressure. Low fluid pressure can be caused by a worn out pump, clogged fluid passages or a clogged transmission fluid filter. A lack of shifting car gears due to low fluid pressure usually means it is time for a
link hidden, please login to view. If the problem is with the pump itself, then you are probably looking at a transmission rebuild. Bad Transmission Control Module
Most modern automatic transmissions have an electronic
link hidden, please login to view (TCM). The control module takes input from various sensors, and decides how the transmission should react. Depending on where the control module is mounted, it can lead a very hard life. Extreme temperatures, vibrations, leaking fluids and sometimes even how the circuit board is built can all lead to failures of microchips and other electronic components. If the check engine light is on while you are having shifting problems, the TCM may be the issue. Broken Shift Cable
Each time you drive, the shifter is moved at least twice, once for driving and again for park. That movement adds up over the years. While an automatic transmission doesn’t have the complicated shifting mechanism of a manual transmission, there is usually a physical connection between the shifter and the transmission. Modern
link hidden, please login to view usually have plastic components that can break down over time. There may also be bushings that get worn out. The shift cable itself is usually metal and rarely breaks, but the pieces connecting it to the transmission can possibly fail. Shift Lock Engaged
If the car is not shifting into gear from park, then the issue might be the gear shift interlock. Most modern vehicles have a lockout on the automatic gear shifter that requires the brake pedal to be pressed first. If the brake pedal isn’t pressed, the shifter won’t move. It is possible that the brake pedal sensor doesn’t read that the pedal is pressed, or a break in the shift interlock circuit interrupts the connection. The shift lock can be
link hidden, please login to view. Worn Out Bands
Just like how brake pads can wear out, so can the friction materials inside the transmission like the bands. Transmission bands hold certain components in place, while others are allowed to rotate. When this happens, the transmission won’t go into certain gears. Unfortunately worn out bands usually mean a complete transmission overhaul. Material from the worn out bands can make their way into sensitive fluid passages, clogging them or causing accelerated wear
Failed Throttle Sensor
This one may seem odd, but gauging how much throttle input the driver is giving makes a big difference in how the transmission acts. Whether the input is from a
link hidden, please login to view or a cable, if the driver pushes down the gas pedal, the transmission needs to change gears. But if that input isn’t received, the transmission has no idea what the driver wants to do. If the transmission doesn’t know the driver is hitting the gas, it might not shift into the next gear. Even worse, on some older transmissions, if the transmission isn’t linked correctly to the throttle input, severe damage can be done. If your transmission isn’t shifting like it used to, simply head to your local
link hidden, please login to view center. Our team of ASE-certified technicians have the expertise and training to diagnose your automatic transmission issues. As a bonus, your repair is covered by our free 24-Month/24,000-Mile link hidden, please login to view (parts and labor on qualifying repairs and services), which spans across the entire nationwide NAPA Network, including 17,000+ NAPA Auto Care center locations. Photos courtesy of
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