2004 chevy cav just had cracked radiator replaced with new one.. now small leak in front and tail pipe dripping water.

It's unlikely that there is a freeze plug in that area. The most common sources of coolant leaks on BMW E46 3-Series models are the expansion tank and the radiator. However, there are a few other possibilities that could cause a leak in that area:

1. Heater Core: The heater core is located inside the dashboard and circulates hot coolant to provide heat to the interior of the car. If the heater core is leaking, coolant can drip down onto the motor mount.
2. Coolant Pipe: There is a coolant pipe that runs along the left side of the engine and connects the engine block to the heater core and radiator. If this pipe is corroded or damaged, it can leak coolant onto the motor mount.
3. Head Gasket: A failing head gasket can cause coolant to leak externally from the engine. While this is less common, it's worth checking to see if there are any signs of coolant leaking from the head gasket.

It's recommended to have the coolant system inspected by a qualified mechanic to determine the source of the leak and to make the necessary repairs.

Look in the radiator for the presence of oil or bubbles. See if water is dripping from the tail pipe. All these indicate the engine is burning the coolant. Look for a blown head gasket or a cracked head.

CHECK YOUR OIL AND IF ITS MILKY TAN BROWN THEN YOU HAVE WATER AND OIL MIXED AND A BLOWN HEAD GASKET

Hi there.
Well its a hard one as it could be the hose from the radiator to gearbox leaking cause either cracked or loose connection either on radiator OR on pipe 1/2 way down above the converter
Start engine,run till you see a drip, stop engine check bottom of radiator connection pipe for leak if none check pipe down towards gearbox to find a crack.

Check the radiator fluid level. If the smoke is not present when it is first started, and after a short time later it begins to smoke, it may be a blown head gasket that is letting radiator water into the combustion chamber. The symptom of, "not revving as usual", would be an inconsistent engine speed at idle. If the fluid level is going down in the radiator, and you don't see fluid on the ground, with the exception of a small drip out the tail pipe when the engine first starts, a small amount of water in the combustion chamber will cause a lot of white smoke. It can be normal for a small amount of water to drip from the tail pipe, depending on humidity, but once the engine is warmed up, the, "white smoke", should not have moisture in it. A paper towel held at the tail pipe for a few seconds should not get wet after the engine is warmed up, and the radiator fluid level should not decrease if no fluid is leaking on the ground.

Park it where you can check to see where the coolant is leaking from. More than likely a bad radiator or water pump.

code P0442 evap system small leak detected

you have done all the basics to repair this code now you are going to have to have someone do a smoke test on the system, most shops have a smoke machine that they can hook up to the system and pressureize the system to look for leaks most likly cause would be a small crack in one of the lines going to the tank. you have done well most would have gave up after the gas cap. but now you are to the point were you need a little more specilized tools......good luck

let me know if there is any thing else you need.

You may have a small pin hole in one of your hoses that is only leaking under pressure. Of course you may not notce it with the vehicle idling because the pressure is higher as the rpms rise while you are driving.

More importantly though, you need to check your oil dipstick. If the oil looks "milky" you may have water leaking into your oil. This can happen if you have a problem with your "heads" such as a small crack. A cracked head can lead to a blown motor so check it out as you are checking all of your hoses on your cooling systems.

Good Luck!

It is possible that yoiu crack the engine block. You should be able to see where the water is coming from the engine area, possibly ruined the head gasket only

-Make sure your thermostat is working properly, if not, replace it.
-Make sure your water pump is working properly, if not, replace it.
-Make sure you have enough coolant and that it is a good ratio of coolant to water mixture I use 50/50 mix of coolant and water.
-Check to see if your head is cracked or has a leak in the gaskets.
-Check your tail pipe to see if coolant is coming out of the back which will indicate a leak.
-Check the upper and lower radiator hoses for cracks and wear and tear and leaks.
-Replace your radiator cap

These are possibly problems and or solutions, but will better help you understand your overheating problem