Re: Engine coolant has turned to a gel and engine...
The reason that your anti-freeze is gelling in your rad is that the mixture of anti-freeze and water is too weak. this could be because of old anti-freeze(same as oil,it deteriorates over time, usually 2 to 5 years), or there could just be too much water added. I would suggest a cooling system flush, and re-fill with a new 50/50 mixture of water and anti-freeze.
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a leak in coolant system will cause air pocket in the coolant system around the engine coolant temperature sensor.coolant sensor is a thermistor in which when hot cool cause it resistance decrease which affect the voltage from sensor to pcm which will cause engine coolant to turn on.if coolant level okay,check coolant fan fuse and relay, if all is good,engine coolant temperature sensor could be bad or have vechicle code scan for pcm problems it control the coolant fan.fill coolant system to correct level make sure engine coolat reservoir is at full cold mark and not empty.fill coolant system check for leaks,refill coolant overflow jug back to full cold mark dont over fill, if coolant overflow stay empty you have leak either its leaking or you have radiator hoses or radiator leaking coolant.when coolant overflow jug run dry it cause air get in coolant system causing overheating problems.
you need to replace thermostat and radiator cap.look under hood around engine compartment.look for a radiator cap near radiator,add 50/50 antifreeze and water to coolant system to bring up boiling point.pure water will cause engine run hotter because water evaporate away,remove radiator pour coolant in the radiator until coolant stop dropping in the radiator now some vechicle pour coolant in the coolant overflow jug,pour coolant until coolant level stop dropping and the coolant level stay at cold full mark.start engie let idle few minutes, watch coolant level in radiator if coolant start dropping add more coolant, when coolant level stop dropping put radiator cap back on let engine idle until both top radaitor hose and bottom coolant hose get warm turn off engine wait until it get cool then take a large rag slightly open radiator just a litle at a time to keep from getting scaled.once radiator remove add more coolant if low,put radiator cap back on start the engine let it idle watch the temp gauge if temperature gauge going hot zone stop engine wait until cool then add more coolant,keep doing this until engine stop overheating going into hot zone and coolant level stop dropping,make the coolant overflow jug coolant level stay at full cold mark, dont let jug run empty if so air will get in the coolant system causing engine to overheat.
Seems the smoke is the hot steam from the coolant. That escapes from your radiator.
The culprit would be the radiator cap. The coolant when your engine is hot, goes to your coolant reservoir, and it( coolant ) should go back to the radiator when your engine cools down.
The coolant failed to go back to the radiator because the radiator rubber seal is already broken and suppose to **** the coolant from the reservoir.
Coolant also escapes from the radiator, thats why you see some coolant from both sides of your radiator. The heat inside the radiator expands the coolant and the only course is through some crack seals.
Radiator cap have pressure rating that opens its valve in a certain pressure.
Hope that helps you out!
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Being a 1992, If you have never had it flushed I would highly recommend having the cooling system flushed and refilled. It just depends on how severe the coolant strength and color is. New coolant is pink or orange in color and you may have one of these installed in your engine or mixed with the old green coolant and the color will be brownish. If thats the case I would still recommend getting it flushed the 2 different coolants don't mix well and cause it to gel in heater cores and small passages.
Overheating can seriously damage a car's engine if left unchecked. Although overheating simply means that a car's engine temperature exceeds normal operating temperatures, the causes of overheating are varied. What follows is a brief list of some of the most common causes of engine overheating.
A car that overheats will often have a faulty radiator. A radiator is responsible for cooling hot engine coolant that picks up heat from inside a car's running engine. A radiator "radiates" the heat from engine coolant out into the outside air. A faulty radiator loses its "radiating" effects and allows engine coolant to become overheated, thus rendering it ineffective at adequately cooling and engine.
Faulty Water Pump
A faulty or malfunctioning water pump prevents adequate engine coolant flow and can cause a car to overheat. A water pump serves to pressurize and propel engine coolant throughout a car's engine and radiator to increase the heat-reducing capabilities of engine coolant. A faulty water pump loses its ability to adequately pump and propel engine coolant, and can cause a car to overheat.
Coolant System Leaks
A leaky engine coolant system reduces the level of circulating engine coolant, which increases engine temperature and leads to engine overheating. Radiators, water pumps, and coolant system hoses and seals--all of these coolant system parts can develop leaks, which can result in low coolant levels and engine overheating.
A car thermostat regulates the flow of engine coolant. A thermostat is a heat-sensitive valve that opens when a car engine reaches a set operating temperature and closes when a car engine is cold and warming up. If a thermostat gets stuck in the closed position, coolant will be prevented from reaching the engine, which will quickly lead to engine overheating and potential engine damage.
Low Engine Oil Level
Engine oil, in addition to lubricating an engine's internal parts, helps to keep engine operating temperatures reduced by eliminating friction within the engine. If engine oil levels are low, friction and heat build up inside an engine, a condition that causes increased engine operating temperatures and can lead to engine overheating.
Time to flush out the coolant with Preston radiator flush, Common for the Dexi cool coolant to crystallize causing the flow of coolant throughout the radiator, heater core and engine block to be restricted.
The Dexi cool is only good for up to 5 years or 150,000 miles which ever comes first with a 50/50 mixture, any other ratio will shorten the life of the coolant and promote cooling issues such as the one you are experiencing.
Flush out your coolant and replace your thermostat, ensure your coolant is 50/50 mix water and dexi cool. To much water and the coolant will boil over and to much coolant and the dexi cool will gel up causing poor coolant flow.
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Its to the right of the water pump towards the bottom of the engine.. Follow your lower radiator hose. Make sure to get some G12 coolant from VW before you do it. If you mix the coolants they turn into a gel that will cause you to overheat.
Drain all your coolant into a conatiner using the plug on the radiator, loosen and disconnct the top hose at the engine, then the bottom one at the radiator, and replace in reverse order. This is not hard to do, and just make sure your coolant is in good condition or replace it with a 50/50 mix of either the red or older green coolant. If you change the coolant to the new style (red) use a water hose and flush as best as possible, then replace with the red newer style coolant. You can use either, but you cannot mix them. They will gel up after time if mixed so with all the coolant out, it is a good time to switch to the new and when the job is complete, make sure you mark it somehow that it has the new version of coolant. A sticker with it written in permanent marker is best, but using just the permanent marker on something that can be readily seen is just as good.
it seems like the radiator of your car needs attention. check for coolant level in it, when its cold. if les add some coolant and then see if the problem persists. --than there are chances of chocking in the coolant pipes, may be they not reached to engine.. --Check the chock,, that it is not turned on. --May be sum loosing nut in engine.