What does it mean when your radiator fluid is black?
The black water is a sign that there is no oxygen left in the water. It apparently is a better conductor so black water is better in your coolant system. Black coolant can be caused by deterating radiator hoses, crud in the cooling system, and oil getting into the coolant.
What color is Jeep Cherokee coolant?
What color coolant does Jeep Cherokee use? It’s vital to understand that color doesn’t matter. While most Organic Acid Technology (OAT) coolants are usually orange, yellow, red or purple, Hybrid Organic Acid Technology (HOAT) coolants are orange and yellow.
Why does my Jeep Cherokee have too much coolant?
When the thermostat is stuck open, the vehicle will be getting too much coolant. On the other hand, if it is stuck in the closed position, the radiator will not be getting any coolant at all. If you do end up replacing the thermostat, make sure the new part is an exact match to your make and model of Cherokee.
What causes a jeep radiator to overheat?
As the engine heats up, the thermostat opens and allows coolant to circulate through out the entire coolant system. The thermostat can fail by either sticking open, sticking closed, or completely breaking and cause an internal blockage. All these scenarios can cause overheating, no hot air output, or low running temps.
What happens when the thermostat is stuck open on a Jeep Cherokee?
When the thermostat is stuck open, the vehicle will be getting too much coolant. On the other hand, if it is stuck in the closed position, the radiator will not be getting any coolant at all.
How does the coolant system in a jeep work?
It keeps the engine block at its optimum operating temperature. When the engine is cold, the thermostat closes to restrict coolant flow to the radiator and allow the engine to quickly reach its operating temperature. As the engine heats up, the thermostat opens and allows coolant to circulate through out the entire coolant system.
When the thermostat is stuck open, the vehicle will be getting too much coolant. On the other hand, if it is stuck in the closed position, the radiator will not be getting any coolant at all. If you do end up replacing the thermostat, make sure the new part is an exact match to your make and model of Cherokee.
How is the radiator maintained in a Jeep Cherokee?
The radiator is a significant component in your Cherokee’s cooling system and needs to be maintained by regular cleaning and occasional updating. Preserving your radiator includes checking for rust, corrosion and leaks.
How to test for a blown head gasket on a Jeep Wrangler?
OK, if the prior 3 tests have confirmed that the head gasket on your Jeep 4.0L Cherokee (or Grand Cherokee, Wrangler) is not blown YET your 4.0L Jeep is still overheating and you still suspect a blown head gasket, take a look at the last test: HEAD GASKET TEST 4: Using A Chemical Block Tester (Combustion Leak Tester).
When to take radiator cap off Jeep Wrangler?
Now, if the engine in your Jeep 4.0L Cherokee (or Grand Cherokee, Wrangler) has been running for a while and it’s hot, let it cool down for about an hour, since a radiator cap should never be removed with the engine hot. Please take all necessary safety precautions.