Drain the rest of the transmission fluid from the pan and wipe the pan with a clean rag. Insert all 16 transmission mounting bolts and turn each bolt at least 3 times into the transmission. Recognizing these warning signs could eliminate major service later. Here are some of the common issues complained about. Be careful, as the filter is still full of fluid. Connect the transmission pan to the truck with a new gasket placed on the inner flange. Step 5 — Clean transmission pan Thoroughly clean the inside of the pan and lip where it bolts to the transmission.
Insert the new filter by pushing it firmly into place. Otherwise, if it has a fiber gasket, you need to discard it and replace it with a new one. Open the hood of the Blazer and remove the transmission dipstick. Tighten each of the bolts a little at a time with a torque wrench if possible until they are all at 97 inch-pounds. Run the truck and itll drain that while you chase it with new fluids down the pan tube with a funnel.
Lower the Blazer to the ground. Definally drop pan and filter change, I will last another 50k until need change again , I alway trust vavoline transmission fluid, What your kind dexon fluid is your owner manual say to use? If you do that, it is a pretty straight operation and can be done by anyone with the right tools and a little knowledge about working on cars. Lower the oil pan carefully to a level position over the catch pan and tilt the pan to finish draining the remaining oil. I tow a camper and snowmobiles and as you can see do a lot of highway miles. Install the new filter in the transmission with a new seal; the seal is often pre-installed on most replacement filters.
Clean the pan thoroughly with the brake clean and rags, making sure to remove any leftover gasket material from the pan. No answer to your core question, just one single lame, droll snark. If it ain't true, don't say it. Use a funnel to aid in pouring the fluid. Unscrew and remove the drain plug, using a flare-nut wrench, and let the fluid drain into the drain pan. Also, look for any leaks under it. However, many experts recommend that you change a Corolla's automatic transmission fluid when it's cold.
Place your oil-drain pan under the transmission pan so it is directly underneath the drain plug. Fill the transmission with oil through the transmission dipstick tube using a funnel. Wipe the metal off and replace in the pan. Step 2 — Get access to the transmission pan bolts Pro Tip On some Silverados you have to loosen the exhaust or possibly remove it for extra clearance. You should have a nice flow coming out.
Thanks, Matt If you do a search here you'll find a rather long thread from last year discussing this very subject. Clean the inside of the transmission pan with a solvent. Evacuating is just the dealers lazy way out of doing it properly but still charging you for it. Do not leave sharp razor blades lying beneath the vehicle with you. The filter is not changed but is flushed backwards. If the pan doesn't have a drain plug, remove all but the corner bolts and then slowly remove the front bolts, so that the fluid drains into the drain pan. I know on my 2002 powerstroke when I drain the pan I get about 7 quarts of oil.
Add transmission fluid as needed until the transmission is full. It can come loose and wreak havoc inside the transmission. I just did a flush. Raise the pan straight up to install it onto the bottom of the transmission. Place the transmission pan back against the bottom of the transmission and thread in all the bolts by hand, making sure not to cross thread any of them.
Check the level, add a little more fluid and check again until the fluid reaches the correct level on the dipstick. If you break one, then you will hate life. Then drive for about a month or 1000 miles, and then do a fluid and filter change. I do my Suburban with a 4L60E transmission every 12,000 miles I still own the machine , and I bought it with almost 90,000 on the odo. Even if the fluid evacuation method is desired to remove the used transmission fluid, the pan should be removed also, and an inspection should be made of the pan contents, fluid, and filter to determine the condition of the transmission. With the new gasket on the pan, snake it up and onto the transmission. The rest of the oil is in the cooler and torque converter I guess.
And your partially correct on the Allison filters. Removing the bolts in this manner ensures you control the flow of the residual transmission fluid as it comes out of the pan. Once the fluid has been overheated, all its good properties and its ability to protect the inner workings of the tranny degrade quite rapidly. If you only want to replace your transmission pan, you can skip down to the Step 6. Drive your truck for a short time, and recheck the fluid to be sure it is at the level called for. I made good money from transmission fluid changes. And I've done over 200 of them on any possible make or model, with a few exceptions.
Evidentaly a machine is hooked up to the trans that flushes all of the fluid and lines on the transmission to get most of the old fluid out. Pry the seal out of its mounting hole in the transmission using a special removal tool. This is a good time to wipe the lip on the transmission where the pan bolts clean. Your transmission has clutches, valves, a pump, and torque converter that work together to select the gear that is necessary to do the work you need from it. Loosen and remove the drain plug with a flare-nut wrench and let the fluid drain into the pan. Doesn't take much debris to foul one up.