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The video above shows you to replace the headlight in your 2004 Cadillac DeVille. Headlights grow dimmer by up to 20% over time and eventually burn out - for this reason, we recommend changing your headlights in pairs. Changing both headlight bulbs on your DeVille at the same time will allow both bulbs to have the same intensity and prevent the new headlight bulb from appearing brighter than the bulb on the opposite side. In some Cadillacs, the highbeam is the same bulb as the headlight and it is possible for the highbeam to work, but the headlight be burnt out even if they are the same bulb (and vise versa). Some Cadillacs have high intensity discharge headlights, sometimes referred to as xenon lights. These bulbs have a very high voltage that runs through them, even if the battery is disconnected. If your DeVille has this type of bulb, we do not recommend that you attempt to change it yourself.
When you change the headlight on your DeVille, it is important to not touch the glass part of the bulb with your fingers because the oil from your fingertips will cause that part of the bulb to burn hotter, which significantly shortens the life of the bulb.
Stop! Checking your brake fluid from time to time is a great way to ensure safe stopping2004 Cadillac DeVille DTS 4.6L V8
Leaking coolant is usually a sign that your water pump needs to be replaced. This video shows you how to quickly plug it2004 Cadillac DeVille DTS 4.6L V8
Do you ever get into your friend's car and notice a bad smell? A dirty cabin air filter could be the culprit2004 Cadillac DeVille DTS 4.6L V8
Power steering fluid is easy to check and many people (mechanics included) often forget about - learn how here2004 Cadillac DeVille DTS 4.6L V8
Small bulbs that burn out regularly - did you know you can replace these with LED lights?2004 Cadillac DeVille DTS 4.6L V8
Cars burn, leak and otherwise dispense of their oil. Check your level frequently and top up when necessary2004 Cadillac DeVille DTS 4.6L V8