Question about 1987 Ford Bronco II

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Overheating and Stalling

Well for the overheating, I've tackled this problem a couple times already with moderate results. I flushed the radiator, replaced the thermostat, so far no luck on solid results. Now I got a crack on the top hose connection on the radiator and temporarily fixed with plasic epoxy. but I'd like a better, permanent, not so sad way of fixing that.

Now for the stalling issue. I have a bunch of possibilities as to why this is happening, and a lot of them I don't like. To start off, there's an issue with starting the beast, I have to give it a fair amount of gas to simply get started, and then somethime/most of the time, I'll lose RPMs and stall the car for a good min 3 minutes. Anyone with possible ideas as to what's going on there, I'll be happy to eplain anything in detail, including "Does it do this?" questions, whatever it takes.

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  • discountcomp Jan 08, 2009

    yearg, that's what I was affraid of

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Mine used to stall at lights and things, I pulled the Idle air control unit out and took it apart sprayed carb cleaner ($3.00) on it, put it back together and it stopped stalling and RPM malfunctions. Try that.

Posted on Apr 17, 2009

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I would guess that you most likely have a head gaskit that went bad.

Posted on Jan 08, 2009

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Why did my 2011 DTS Cadillac overheat?


An overheated engine can be caused by anything that decreases the cooling system's ability to absorb, transport and dissipate heat; therefore engines can overheat for a variety of reasons. Let's take a look at some of the most common causes.
Cooling System Leaks
This is the primary cause of engine overheating. Possible leak points include hoses, the radiator, water pump, thermostat housing, heater core, head gasket, freeze plugs, automatic transmission oil cooler, cylinder heads and block. Perform a pressure test. A leak-free system should hold pressure for at least one minute.
Wrong Coolant Concentration
Be sure to use the coolant recommended by your vehicle's manufacturer. The wrong type of coolant and/or mixing the incorrect concentration of coolant and distilled water can also result in engine overheating. The best bet is to perform a complete flush and fill.
Bad Thermostat
A thermostat is a heat-sensitive valve that opens and closes in response to engine temperature. Heated engine coolant passes through to the radiator when the thermostat is in the open position. In the closed position, it prevents the flow of coolant to speed up the warming of a cold engine. When the thermostat gets stuck in the closed position, coolant stays in the engine and quickly becomes overheated, resulting in engine overheating.
Blocked Coolant Passageways
Rust, dirt and sediment can all block or greatly impede the flow of coolant through the cooling system. This can limit the system's ability to control engine temperature, which may result in higher operating temperatures and engine overheating. Once again, a flush and fill is recommended to remove debris.
Faulty Radiator
By passing through a series of tubes and fins, coolant temperature is reduced in the radiator. Leaks and clogging are some of the most common causes of radiator failure. Any disruption in the radiator's function can lead to elevated engine temperature and overheating.
Worn/Burst Hoses
A hose that contains visual cracks or holes, or has burst will result in leaks and disrupt the flow of engine coolant. This can result in overheating.
Bad Radiator Fan
A fan blows air across the radiator fins to assist in reducing the temperature of the coolant. A fan that wobbles, spins freely when the engine is off, or has broken shrouds will not be able to reduce the temperature to proper level, thus possibly resulting in engine overheating.
Loose or Broken Belt
A belt is often the driving link that turns the water pump at the correct speed for proper coolant flow through the cooling system. If a belt is loose or broken, it cannot maintain the proper speed, thus resulting in poor coolant flow and ultimately, engine overheating.
Faulty Water Pump
Known as the 'heart' of the cooling system, the water pump is responsible for pressurizing and propelling engine coolant through the cooling system. Any malfunction of the water pump, including eroded impeller vanes, seepage or wobble in the pump shaft, can prevent adequate coolant flow and result in engine overheating.

Oct 13, 2016 | 2011 Cadillac DTS

1 Answer

2004 impala overheating. Changed thermostat already.


Anna, thermostats don't fail all that often. If you are overheating after a new one, the problem most likely resides inside the radiator. Radiators can get plugged with gunk over time if they are not flushed at least occasionally. Have you tried that yet?

Does the overheating happen while the car is moving or only when at idle for a period of time?

Is the coolant less than two years old? If it is more, I recommend replacing it after doing a cooling system flush.

If you still experience overheating after that, I recommend having a good radiator shop give it a look.

Good luck.

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Saturn overheating


the stuff describe most likely from the anti boil -anti freeze mixture that has become ineffective for not being changed regularly and not up to percentage to do the job. It allows the aluminium parts of the car to corrode and what you see is the end result . It will deposit in the cores of the radiator and block them up resulting in a replacement radiator . You can expect corroded aluminium parts from all areas of the motor.

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Serpentine belt tensioner pull


Belts only drive the water pump and other accessories and do not cause overheating. Have a pressure test done on the cooling system. Have a compression test done to check for head gasket or cracked head. Have a flow test done to check for blocked cores in radiator .check external fins of radiator to see if they are flaking off. Flushing radiators doesn't work because once the cores are blocked up there is no way to un block them. If you have a viscous fan hub have it check out as they stop driving after a period of time.

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1 Answer

Car overheating when radiater full water


Have a coolant pressure test done looking for a head gasket problem. as well as the fan

May 18, 2013 | Toyota Cars & Trucks

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Radiator overheating


If the overheating is only occasional, it sounds like the radiator still has some blockage that moves around and plugs up again. Try flushing it backwards again. If it continues, consider a new radiator. A radiator is cheaper than head gasket work, which may happen if it keeps overheating.

Nov 30, 2012 | 2002 Mitsubishi Montero

1 Answer

1999 Honda Civic LX Stalling/Overheating!!!


(I don't know much about cars so bear with me).

I've had problems of overheating previously where my car's thermostat would hit 140. I think I've fixed the issue, I've replaced the thermostat but it was still doing that and 2 hoses blew and needed to be replaced. I've had to consistently fill my radiator with 50/50 antifreeze on a daily basis to ensure it won't overheat, so far that seems to be keeping the peace.

But now as of 5 days ago, I'm experiencing these new issues of stalling. Upon taking my civic into my mechanic, his meter showed that there was a misfire in the 2nd cylinder a month prior and now all 4 are misfiring. He thought it was the head gasket at first. I had just recently replaced the spark plugs with NGK Platinums, new spark plug wires and a new distributor cap.

I've received many possible culprits to my problem consisting of possibly the Throttle Position Sensor, Fuel Filter/Injection, Distributor or a radiator cap. I'm financially strapped at the moment and only could afford the radiator cap which didn't solve anything, however my radiator is running on 80% water at the moment. I'm really at a loss and I feel like I've done what I could and I'm at my wits end. Please help my poor little Civic cheat death for a little longer.

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1 Answer

My volkswagon jetta 2.0 from the year 2002 is overheating and it blew up a few pipes i already replaced, but it still over heats i wish to know how can i fix the problem, and what might be the problem?...


Are your fans working? If they're not it will cause overheating while stationary or in slow traffic. Overheating while driving points to the radiator.
Get some engine flush into the cooling system and run the car for a couple miles. Then let it cool down and remove all the water(Take both large hoses off the radiator). Then stick a hosepipe into the radiator and let the water run until clear.
If this doesnt work remove the radiator and have it reconditioned/replaced. Removing the thermostat will not cause the engine to overheat. It just causes the engine to take longer to reach operating temp.

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1 Answer

Overheating on ford bantam


there are three probable causes that may result to overheating one inadequate circulation of coolant within the cooling system. The radiator is clogged with dirt some stems are closed.try to flush the radiator using rad flushing fluid. Second improper bleeding of trap air within the cooling system. Third the water pump blades are worn out inadequate circulation of coolant.

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2 Answers

Overheating


I think you need to do a cheap and extremely accurate test.Its called a tk head test and it determines wether you have head or head gasket problem.If you could eliminate that part as being the cause then that really only leaves a couple of things left to check.A blocked radiator or an air lock.Maybe a faulty radiator/expansion tank cap not able to maintain correct pressure

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