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If personification asked you to database a fewer car attraction tasks you could do yourself, tyre and lipid changes whitethorn travel to mind first (unless you're a task car person, successful which lawsuit you'd respond pinch thing for illustration "LS-swapping my Suburban"). Are these 2 tasks stressed successful nan car organization because lipid is life for your engine, and knowing really to alteration your ain tyre will prevention you successful a pinch? Or because they're considered to beryllium easy? Or because DIY-ing these attraction items will prevention you money? Perhaps it's each of nan above.
There are different attraction projects you tin do without nan thief of a mechanic, however, specified arsenic changing your transmission fluid. Like lipid and tyre maintenance, changing your transmission fluid is important for your car's wellness and lifespan and is besides thing you tin DIY (and prevention a fewer bucks connected if you do), but whether aliases not you should dangle connected a fewer important conditions. The type of transmission your car has (automatic vs. manual, sealed vs. unsealed), nan attraction needs of your conveyance (full fluid flush vs. partial drain and fill), and nan devices you person readily disposable each facet into really businesslike it will beryllium for you to grip transmission attraction yourself.
What transmission fluid does and why it needs replaced

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There are respective types of transmission fluids, but astir modern cars — galore manuals included — usage automatic transmission fluid (ATF). ATF lubricates your gears, manages clutch and brake set friction, and helps support nan transmission cool successful bid to facilitate powerfulness transportation from your car's motor to its wheels. In automatic transmissions, ATF is responsible for cogwheel switching via unit changes.
Just for illustration your car's motor oil, complete clip ATF will break down and go contaminated pinch use. If your automatic transmission fluid is decaying aliases low, your car will acquisition problems pinch shifting gears and parts that dangle connected its lubrication could suffer excess wear. Changing your ATF astatine nan recommended intervals tin forestall these issues.
There are 2 main approaches to ATF changes, which are nan afloat transmission fluid flush and "drop-the-pan" attack (partial fluid change). The erstwhile is much broad and involves pumping retired each existing transmission fluid successful your car pinch a transmission flusher. Without this master equipment, a complete transmission flush isn't easy accessible arsenic a DIY project, and you should see consulting a mechanic if your car is successful request of a complete flush. However, a elemental fluid alteration is thing that tin beryllium done pinch at-home tools. It typically requires identifying and draining nan transmission pan, measuring nan measurement you removed truthful you cognize really overmuch to replace, and past adding caller fluid aft cleaning nan cookware and replacing nan transmission filter.
Why should you effort DIY?

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Even though a complete transmission fluid flush isn't well-suited to nan DIY process, a partial fluid alteration tin still beryllium beneficial for your car and is feasible astatine location pinch immoderate elbow grease. Replacing your ain ATF decently is simply a multi-step process; nan wide feasibility of nan task and nan nonstop steps you should return dangle connected a assortment of factors specified arsenic whether your car's transmission is sealed aliases unsealed (sealed transmissions make fluids harder to entree and don't person a dipstick for you to easy cheque nan fluid level yourself) and nan existent wellness of your transmission. These could beryllium limiting factors to nan feasibility of a DIY ATF change, truthful it's important to investigation and inspect these arsenic good arsenic nan recommended replacement schedule for your conveyance earlier opening nan process. Regarding sealed transmissions, it should besides beryllium noted that while immoderate manufacturers claim their fluids won't ever request to beryllium changed, but it's amended to beryllium proactive astir their maintenance.
On average, you should afloat flush your transmission fluids, astir each 60,000 to 120,000 miles. If your vehicle's fluid-change process is accessible, doing a partial alteration betwixt those intervals tin thief forestall transmission deterioration and sphere effective gear-shifting, widen your transmission's lifespan, and perchance besides prevention you money. If these are priorities for you, tackling this task will use your car, your wallet, and possibly moreover your ego.