FLUID LEAK IDENTIFICATION GUIDE
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Have YOU ever gone out to your car and been greeted by a puddle of fluid under it? If that happens to you, DON’T IGNORE IT! A lot of major problems that end up as costly repair bills begin as symptoms that, for whatever reasons, drivers ignore. Being able to identify, even tentatively, what fluid is leaking can provide some critical information that you can convey to a technician when you visit the shop. That makes it easier for us to know what to focus on.
· CLEAR FLUID: This could be either gasoline or water. You should be able to tell the difference by smell. If you don’t smell gasoline, you’re likely seeing condensation that has simply dripped down from your A/C. That’s nothing to worry about. But if you DO smell gas, you’re likely seeing symptoms of rusted or cracked fuel lines, a cracked fuel tank, a faulty fuel pump seal, or a broken filler neck. Don’t mess around if this happens! GET A TOW! Gasoline is highly flammable, and you don't want to start a fire! So, pull over, shut the car down, and move a safe distance away....keep all keys away from the ignition, and no open flames!
· BLACK OR BROWN: This is likely oil....and you'll need to get the leak located and repaired as maintaining your lubrication minimizes wear and tear to critical engine parts. Particularly in Summer months, rubber gaskets or plastic seals can become problems as heat can make them brittle and susceptible to cracking or breaking. Alternately, you may be dealing with a loose drain plug (an easy fix), a damaged oil filter, or a leaky oil pan. If it's a smaller leak, you can probably drive safely, but check your oil level first, and watch for low oil warning lights while driving. If it's a bigger leak, you might consider a tow just to be safe.
· BLUE: This is likely windshield washer fluid, and it may be the case that your reservoir is leaking and needs to be replaced. Particularly in Summer, the plastic reservoir can become brittle and crack. This isn't a major safety issue, but should still prompt a trip to the service/repair shop to get a replacement reservoir as you never know when you may need to clear your windshield.
· PALE YELLOW: This is brake fluid, and its presence indicates a leak in your hydraulic system. If the puddle is near a wheel, the problem could be with the brake hose, the bleeder valve, or the wheel cylinder. If the puddle is along the undercarriage, the problem likely lies with the brake line. If it’s under the engine bay, the problem is like with the master cylinder. DO NOT DRIVE! Pressing down on your brake pedal in this state can empty the remaining fluid and lead to brake failure. GET A TOW!
· RED: This could be either transmission fluid or power steering fluid. In either case, get the systems inspected as soon as possible....especially if it's a large puddle, in which case you'd be safer to get a tow. In either case, you might want to check the levels before attempting any driving. Older model Euros may have a dipstick to check transmission fluid, but, if not, don’t attempt assessment. Driving with too little transmission fluid can leak to catastrophic damage to your transmission. If you hear a moaning noise when you try to steer or steering is difficult, you’ve got enough information to conclude it’s a problem with the power steering.
· ORANGE: This could be either engine coolant or transmission fluid. We’ve already discussed the problems associated with transmission leaks, and we will discuss the problems associated with coolant leaks below. Exercise caution in driving and keep eyes on the temperature gauge as you drive to the shop. Leaking engine coolant can be a serious harbinger of future overheating issues.
· PINK/YELLOW/GREEN: This is likely engine coolant, especially if it has a sweet smell to it….and this could indicate the beginning of some big problems with your coolant system. This can quickly become VERY dangerous as, left unchecked, you can end up experiencing overheating issues that can destroy your aluminum engine block, total your car or truck, and, worst case scenario, lead to a vehicle fire. We would advise checking the reservoir to see how much coolant is still present and getting your vehicle into the shop quickly to get the problem reconciled. If the puddle is small and you’re not seeing high engine or coolant temperatures, you can likely make it to the shop without incident….but if you DO see the engine or coolant reaching high temperatures, shut your vehicle down, and get a tow.
Whatever fluid is leaking from YOUR ride, give us a call at (609) 380-7577, and get your vehicle into the shop. We're located on the White Horse Pike in Absecon, NJ, and our mission in life is to keep you SAFE!!! Let our "A-Team" of ASE-certified expert technicians get the problem fixed and get you back on the road safely! You've got FRIENDS at Ditmire Motorworks!











