Use a socket wrench or crescent wrench to tighten the bolts, but avoid over-tightening to prevent accidentally cracking, warping, or otherwise damaging the pan. Line up the pan according to the bolt pattern, then hand-tighten the bolts to hold the pan in place. With the new filter in place, you are ready to reinstall the transmission fluid pan. Related: How to Change a Car Battery Like a Pro STEP 5: Secure the transmission fluid pan. Push the filter fittings in to properly seat the O-rings, then use the bolt that you had previously removed to secure the new filter to the vehicle. Lubricate the new filter O-rings with transmission fluid and line up the fittings with the transmission valve body. Take this opportunity to tighten the transmission valve body bolts, but make sure not to over-tighten them. With the bolt removed, pull down to take the filter off. If the transmission fluid filter requires replacement, purchase a compatible filter for your vehicle, then slide under the car and remove the bolt that is securing the old filter. It’s normal to see metal shavings in the old transmission fluid, but larger pieces are a sign that the transmission is in need of immediate attention from an automotive professional. Check the contents of the drain pan to see if there are any large or odd-shaped chunks of metal that could indicate severe damage. Put the transmission fluid pan and the bolts in a safe spot until reinstallation. Completely drain the remaining transmission fluid by removing the final bolts and freeing the pan. Proceed to loosen and remove the bolts along both sides of the fluid pan, allowing the transmission fluid to continue to drain. Use a socket wrench or crescent wrench to loosen and remove the bolts at one end of the transmission fluid pan and position the drain pan to catch any falling transmission fluid. Transmission fluid pans without a drain plug will need to be completely removed. If the transmission fluid pan has a drain plug, then use a socket wrench or crescent wrench to loosen the plug and begin to drain the old transmission fluid into a suitable transmission drain pan. Put on gloves to keep your hands safe during the replacement process and wear safety glasses to protect your eyes from falling transmission fluid. Related: How to Change Windshield Wipers Yourself STEP 3: Drain the old transmission fluid. If your transmission fluid pan doesn’t have a drain plug, make sure that you find a drain pan that is at least as wide as the transmission fluid pan to avoid creating a mess under the vehicle. Just make sure to allow the engine about 5 to 10 minutes to cool down after turning it off, so that you aren’t working with incredibly hot parts and transmission fluid.Ĭheck whether the transmission fluid pan has a drain plug for releasing the transmission fluid or if you will need to remove the entire pan to drain the transmission fluid. These tools are made to support the weight of a vehicle and they have depressions at the top of each ramp to help prevent the vehicle from shifting or otherwise moving. With the vehicle suspended on the jack, you can position wheel chocks behind the rear tires to prevent the vehicle from moving or shifting while you work.Īn alternative to using a jack to lift up the car is to drive the vehicle up onto steel wheel ramps. To get access to the transmission fluid pan for the purpose of draining the old transmission fluid, you will need to use a jack to elevate the vehicle off of the ground. Put the vehicle in park, take out the keys, and apply the parking brake. Like many maintenance tasks on a vehicle, a transmission fluid change begins with parking the vehicle in a safe space, like a garage or level driveway. Photo: STEP 1: Park and elevate the vehicle. To help avoid lasting problems with your transmission, learn how to change transmission fluid and make changing transmission fluid a regular part of your automotive maintenance schedule. Signs that it’s time to replace transmission fluid in your vehicle include spikes in RPM before shifting, grinding sounds, sudden jarring up and downshifts, and burning smells that indicate there is an increase in the friction among the moving parts of the transmission. This results in increased friction, heat, and wear and tear on the transmission. If you don’t change transmission fluid at recommended intervals, the fluid becomes dirty, which greatly reduces its effectiveness as a lubricant. However, transmission fluid replacement is a maintenance task that is often overlooked, so it’s necessary for many automotive DIYers to learn how to replace transmission fluid. Learning how to change transmission fluid and filters is relatively simple, especially if you are familiar with the process of changing the oil in a vehicle.
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