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The engine in your 2004 Cadillac DeVille 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 is located in your DeVille and how to check the transmission fluid level. If the transmission fluid level in your DeVille is low, you need to add transmission fluid through the dipstick tube. When adding transmission fluid to your DeVille, 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 DeVille, 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.
Coolant hoses wear out over time and need to be replaced - check 'em early and often2004 Cadillac DeVille DTS 4.6L V8
If your transmission is running low on fluid, be sure to add some - find out how to do this here!2004 Cadillac DeVille DTS 4.6L V8
The best way to fix leaking hoses is to replace them, but if you don't have time, a stop leak product might work for you2004 Cadillac DeVille DTS 4.6L V8
Your coolant should perform well under any condition - just like Aaron Rodgers!2004 Cadillac DeVille DTS 4.6L V8
There's no reason to check the washer fluid level without adding some - see how to do it here!2004 Cadillac DeVille DTS 4.6L V8
If your brake fluid is a little low, learn how to add some here. Ignoring a low level leads to big problems2004 Cadillac DeVille DTS 4.6L V8