Is the coolent on my Chevy Malibu leaking?

2007 Chevy Malibu coolent leaking Maintenance/Repairs malibu, chevrolet christineP July 4, 2016, 8:47pm #1 Mysterious coolent leak, I have filled the overflow resivior (the only access I can see to the radiator) several times and evertime I drive then stop and check it…it’s at the bottom again, just hardly visible.

How can I find out if my coolant is leaking?

Rent a coolant pressure tester from O’reillys or other auto parts store. You can apply pressure to the coolant system without the car running and then visually check for leaks. Thanks for the replies. I found the leak.

What causes coolant to leak out of the radiator?

Car heats up and pushes coolant to the resevoir under pressure. Coolant leaks out of the resevoir so nothing to pull back into the radiator when it cools again, eventually resulting in dry radiator. A pressure test may not have included the resevoir. Home Categories

What to do if your coolant is leaking under your car?

Check for any external coolant leaks under your vehicle. If you can’t find any external leaks but still losing pressure, check the oil pan either with the dipstick or tap out the engine oil to see if you get any coolant in the engine oil.

Why does oil leak out of the coolant system?

The gasket ensures that the air pressure for the combustion doesn’t light-up and the oil that’s in the engine doesn’t leak out. If an engine overheats and stays heated up for prolonged periods without the cooling, the head gasket blows up causing the oil to leak out into the coolant system.

What to do if you have oil in the coolant reservoir?

The first thing you should do if you notice oil in the coolant reservoir is to pressure test the system. If you pressure-tested the system and everything seems fine, you might want to remove the coolant from the reservoir and keep driving the car to monitor if any new oil appears in the reservoir.

Can a Gen9 Chevy Malibu have an oil leak?

I don’t immediately recall much about gen9 leaks but there are bulletins relating to oil leaks. The source varies by engine and obviously could be anywhere as what can leak sometimes does. The car still has powertrain and the CPU warranty so hopefully it is covered.

Can you mix other coolants with DEX COOL?

Can you mix other coolants with Dex-Cool? Technically, you can mix coolant types, but before you go ahead and do it, let’s cover some things. Firstly, Dex-Cool and traditional anti-freeze don’t mix well.

Which is better anti freeze or DEX COOL?

Firstly, Dex-Cool and traditional anti-freeze don’t mix well. Though they can work together in a pinch, after extended use, they can react and create a gel, which can be very damaging to multiple components of your cooling system. For that reason, the best thing for your Chevy or GM vehicle is to stick with Dex-Cool.

What kind of coolant does a Motorcraft engine use?

G = Green-colored engine coolant approved to Ford specification ESE-M97B44-A (Motorcraft® Premium Antifreeze/Coolant) O = Orange-colored engine coolant approved to Ford specification WSS-M97B44-D or WSS-M97B44-D2 (Motorcraft® Orange Antifreeze/Coolant)

Can you use Dex coolant on a Chevy?

However, Dex-Cool is still in operation, and many people still use the antifreeze in their Chevys without any problems. These hybrid extended-life coolants can be used on Chevy cars and trucks as long as the chemistry matches up.

What’s the difference between DEX COOL and regular antifreeze?

The idea was simple really Dex-Cool lasts longer than traditional antifreeze. In fact, most owner’s manuals put the change interval at 5 years or 100,000 miles or even longer for Dex-Cool. Can you mix other coolants with Dex-Cool?

What kind of antifreeze do you use on a Chevy truck?

Hybrid Extended-Life Coolants. These hybrid extended-life coolants can be used on Chevy cars and trucks as long as the chemistry matches up. Again, refer to the owner’s manual to be sure. These antifreezes use organic acids and silicates to protect aluminum surfaces.

Is the coolent on my Chevy Malibu leaking?