1. Getting Started - Prepare for the transmission fluid level check
2. Open the Hood - How to pop the hood and prop it open
3. Remove Transmission Fluid Cap / Dipstick - Access point for transmission fluid
4. Transmission Fluid Check Level - Read dipstick or look at check plug hole to determine transmission fluid level
5. Add Transmission Fluid - Determine correct fluid type and add fluid
6. Replace Transmission Fluid Cap/Dipstick - Put the dipstick / cap back in place
7. More Info. - Additional information on checking transmission fluid levels
Hans Angermeier is an ASE certified Maintenance and Light Repair Technician and has produced over 100,000 videos showing drivers how to fix things on their cars. He has broad expertise on basic repair procedures covering the majority of cars on the road. Over the past 10 years, Hans has been focused on building CarCareKiosk, which is visited by millions of drivers each month.
The engine in your 2008 Mercury Mariner should be running when you perform a transmission fluid level check, otherwise it will be inaccurate. The video above shows where the transmission fluid dipstick or the transmission fluid check plug is located in your Mariner and how to check the transmission fluid level. Your Mariner will have either a transmission dipstick or a check or fill plug to perform a transmission fluid check. The transmission dipstick will typically be in the engine bay or on top or even the side of your Mariner transmission. The transmission check plug will typically be on the bottom or the side of the transmission and may also be next to the axle. If the transmission fluid level in your Mariner is low, you need to add transmission fluid through the dipstick tube or the check plug hole. When adding transmission fluid to your Mariner, be sure to add it slowly as it will fill up quickly and is difficult to remove excess fluid if you overfill.
If you are having problems with the transmission in your Mariner, such as clunky shifting or hesitation, check the fluid level first - it is amazing how many drivers pay thousands of dollars for transmission work when a half quart of transmission fluid would have fixed the problem.
Dirty cabin air filter cause undue wear on your car's heater and AC and can cause bad odors
If your battery has green or white cruddy deposits, it is probably not getting enough juice from and will likely wear out sooner
If your transmission is running low on fluid, be sure to add some - find out how to do this here!
Carmakers are hiding interior fuse boxes all over the place these days - see how to check your interior fuses here!