The car was fine going to the show, no leaks. Please enter a password for your user account. All of the ones I've seen have the HOAT tag on the overflow tank. No bubbles or I had to drain some coolant out of the radiator (aluminum)to have a small pinhole leak repaired, I guess it was from a small rock. Is it not sending it to the recovery tank? The radiator cap is the highest point in the system so the air rises to that point. If so, then replace the cap. All coolant should be returned to your local environmental assessment. ), http://www.uniquecobra.com/forums/forumdisplay.php?f=68. c15 acert pushing coolant out radiator Discussion in 'Trucks [ Eighteen Wheelers ]' started by dieseldan2005, Sep 15, 2013. Saturday was the first day I had the car on the road since bleeding the coolant system. The excess fluid flows into the overflow tube and goes into the overflow tank. Is it oily? If you have access to the radiator cap I would fill from there. Out of frustration I just put the cap back on & called it a day. Check your owner's manual for proper cap replacement. After two radiators, waterpump, thermostat and a lot of frustration, it was the head gasket. If you can't see anything wet looking when you open the hood, the leak could be from under your water pump. Can I tell by looking at it while the car is running if it is collapsing? The coolant expands as the motor heats up and is pushing coolant out. I want to register an account for free right now! If all the items does not show any issues then it may be the head gasket. It overflowed later that day. So, the radiator coolant overflow tank functions to serve this exact purpose. Mine was, no smoke and no water in oil, but coolant kept leaving the system. Squeeze upper radiator hose to ensure it is full, cap radiator and now recheck the reservoir. When the garage left the cap off the overflow reservoir, the cooling system was unable to maintain pressure which means that the coolant boiled and would have spilled out into your engine bay.This could have damaged equipment nearby especially electrical connections. Please enter a valid e-mail address for yourself. Once I stopped I heard a bubbling noise and watched as all my coolant steadly dripped onto the ground (almost a pour). "what happens when car runs without radiator cap on" - it depends on how long it was off and what happened. In order to be able to post messages on the JeepForum.com forums, you must first register. However, the Fiero is NOT most cars, and the the radiator cap is well below most of the coolant level, so if you open it, most of your coolant will come pouring out. Loose cap = possible leak from the cap (liquid or evaporated coolant) OR cap internal valve damaged or not sitting well in its base. Once the driver parks the vehicle and tur… The water pump really doen't cause the coolant to "swirl". This is most likely the result of a failing fan switch relay or a failed thermostat. Isn't it supposed to go into the reserver tank? Run the motor for a good 15 minutes with the radiator cap off and watch for air bubbles coming out of the radiator neck. You are correct. Is it "using" coolant. Your problem may simply be a loose or damaged cap not keeping coolant where it needs to be. Put the radiator cap back on. When doing a hard pull under boost the temp does not climb past 195 but the radiator cap pops off and sprays coolant out and down the radiator. 1. with a T-5 "Living the Cobra Experience". If you have pressure that comes out of the radiator, you still have a problem of compression getting into the radiator. Cobra Make, Engine: Cobra Auto Works body, Ron Godell Racecars chassis, 1989 Mustang GT 5.0 HO (converted to carb), W/C T-5, 3.73's in a Ford 9" Traction-Loc. Add water/coolant when necessary. I thought all of the 1997 - 2006 wranglers specified HOAT. Location: No city...only 118 residents in Manter, Cobra Make, Engine: Shelby CSX4005LA, Roush 427IR. Cobra Make, Engine: LoneStar LS427 , 427 Windsor. Today I let it warm up, drove it for maybe 10 minutes & it puked coolant out from the radiator cap. Keep in mind that if any animals drink the coolant, they can get very sick and it could lead to a death. I'm guessing head gasket, mine did same thing. Cheap and easy to replace, this is the first thing to check. There's the hose from the radiator to the reservoir and then from the reservoir to nothing is that right? Zerex G-05 coolant is what we are supposed to use not the mix with anything coolant that's readily available. If none exist, fill the radiator per the manufacturer spec and warm the engine with the cap off. When you have filled your coolant as much as possible, open the radiator cap … The radiator acts to protect the engine block from overheating when it is functioning properly. When the cap is off, the coolant boils at a lower temperature. My radiator seems to be pushing the coolant into the overflow tank. Another thing that comes to mind here is a faulty electric cooling fan motor up near the radiator. Top truck off with 2 gallons water when it's cool and it blows most of that out of the overflow after 5 minutes of idling up to temp. The radiator cap comes … I could be possible to have a cap tight without no leaks, but having its valve damaged, which would lead to overheating as well, since the cap won't be managing system pressure as it should, probably sending coolant to the system's expansion tank. Note that passwords are case-sensitive. That happened to me - I put some silver seal to plug a small leak (yep, rocks) and some of the flecks stayed. For the best viewing experience please update your browser to, Audio, CB & Ham Radios, GPS, & Electrical, http://www.amazon.com/Zerex-ZXGO51-G.../dp/B0033QNZZ0, The following errors occurred with your submission. Took this pic this morning. When the engine reaches a certain temperature, it opens allowing … As the cooling system cools down, it sucks coolant back into the radiator. Here's a link where I discribed it. I want to register an account for free right now! As I was reading through two things occurred to me: Cap loose, especially easy to do with the in-line cap, or debris under the gasket. cap … You aren't having any overheating issues are you? Put it on and turn it until it stops and then push down and turn it about 1/8-1/4 turn more. 12 people found this helpful. If you have a pressure release tab on the cap pull that out. The radiator additionally keeps the pistons in working order, allowing the engine to run. Coming home with the air temp at about 95 is when it started leaking out the cap. Register now for free! Normal for the coolant to push out as the engine warms up due to thermal expansion. Yes, your theory is plausible. Just a quick thought here....does your lower hose have the wire coil inside it to keep it from collapsing? Put the top back on, fill up the overflow bottle to the fill mark and leave it alone as nothing is wrong. I drove to a car show that morning, temp outside was about 70 & the show was 25 miles from home. Your radiator cap is, after all, designed to hold 15 to 16 psi (typically) before releasing coolant but freely draw coolant back into the system after the engine is shut down, and if the coolant was heated up after having cooled totally overnight you’ll have some pressure. As the pressure causes the coolant to get higher than the pressure cap, the excess coolant needs to be captured somewhere in order to prevent leakage. The thermostat is a component that regulates the flow of coolant through the motor based upon specific temperatures. KS. If the motor is at operating temperature and running you'll have some coolant come out from the 16 pounds of pressure in the system. Last week i changed the battery and topped up the oil & noticed the radiator water level was low. The coolant used to cool the engine does so at maximum efficiency when kept at specific pressure. Once the motor is warm, monitor the radiator level and replace coolant as needed. As the title says, cold engine, radiator cap off, and engine running. Coolant level raises and then coolant comes out of radiator. When I am done driving and i take off the radiator cap the radiator is low, no coolant above the fins. Read our comprehensive guide on how to do a coolant flush. cap. If this doesn't help, you'll need to raise the front of the vehicle so the radiator cap is above the heater core hoses. Coolants pass through the engine block, flowing into the radiator to draw out excessive heat. The World's largest Welcome to Club Cobra! Meanwhile, the coolant expands and creates additional pressure in the radiator. Drain a few ounces out of the radiator and see what the coils inside look like. If the hose is collapsing, you should be able to watch it collapse while revving the motor sitting in the driveway (the water pump suction is what sucks it to a collapsed condition). You don't. Overheating can cause damage to an engine, and a seriously overheated engine can be irreparable. I alwaays ran a 13 lb. I drove the truck for about 5 miles home yesterday and went to take the pressure cap off and it blew coolant out so i closed it quick. The fan should come on and off at slow speeds and at idle to cool down the engine. I don't know about yours but I think mine is a two clicker. No, the lower hose doesn't have a coil in it. The coolant … My 2001 PT Cruiser began to over heat today. Currently Active Users Viewing This Thread: 1. This is a pressurized system, so it may blow some coolant out at you. Look at the top of the oil fill cap for the same stuff. It is quite normal for coolant to be pushed out of the radiator cap. If you still cant get it off and it is past the spot where you had to push down to get over the little hump, try getting a giant pair of channel locks on it and pull it off. If you notice coolant near the radiator or the radiator cap, then you clearly have leaky coolant. I then took off the radiator cap and turned on the car. The car has to be cold then you remove the radiator cap and put it back on, then start the car put it in drive and then mash the brake pedal and push the gas pedal and run it to 2500rpm for like 30 seconds and shut it off. And watched as all my coolant steadly dripped onto the ground ( almost a pour ) pushing coolant at... Day I had the car minutes & it puked coolant out the top back on & called it a.. 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About yours but I think mine is a two clicker as pressure may come out of..