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Ford Laser 1992 1.6l auto just replaced radiator. No more leaks however cooling fan is now not functioning. Any ideas?
Wiki User
∙ 12y ago
have clutches checked. My 89 Ford Taurus had the same problem and the clutches that control the fans were shot
Wiki User
∙ 12y ago
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How can you make sure your radiator doesn't have pressure in it?
Squeeze a radiator hose. If there is pressure, it will be hard to squeeze. However, some of them have a spring in them so they won't collapse, but you will be able to feel it if there is NO pressure. Use a rag to carefully and slowly open the radiator cap! To be safe, if its all hot, don't mess with it.
What could be the problem if there is no pressure in either of the hoses going to or from the radiator?
If the engine is cool, then this isn't a problem (pressure in the cooling system isn't developed by the running engine, it is developed by the heat from the running engine). However, if the hoses don't feel like they're under pressure at normal or higher operating temperature, it does indicate a possible problem. The possible problems could be anything from a blown head or intake gasket to a low or empty radiator. Regardless, if this is the case, the problem needs to be diagnosed and repaired before the engine becomes damaged.
Why would your temp gauge go up and down to the point of almost overheating especially when the AC is on in a 2000 Olds Intrigue?
This answer really applies to any vehicle. The A/C puts an incredible load on the engine. If you have a problem with your cooling system, it has a hard time recooperating when the A/C is on. Your A/C clutch turns on and off several times while you are driving, it does this by using a sensor on the low side (and in some cases the high side), typically it is called a pressure cycling switch. It does this automatically (assuming it's working ok, which it sounds like yours is). When your compressor comes on, your engine receives a load, and also with the condensor (usually right in front of the radiator, it looks like a radiator) on the front of the car trying to expell heat, it is harder for the cooling system to keep the engine cool, so it heats up. When your pressure drops on the low side of your A/C (this is normal) and your compressor clutch disengages (shuts off) there is less load on the engine, and as such is easier to cool. That explains the normal fluctuations you might see in temperature. If you are seeing rapid or extreme changes, which it sounds like you are, I would recommend delving into your cooling system. Start with your electric fans behind the radiator, the way they function, is that they should come on when your car is warmed up, to regulate temperature (obviously), however, they should also come on anytime your A/C is turned on, regardless of engine temperature. This is to anticipate the increased load and heat from the engine, and to immediately get air moving across the condensor, which is a vital part to the A/C system anyway. What I'm saying, is turn your A/C on, check your fan(s) If you have two and only one is spinning, I would suspect the non-functioning fan, as typically they both will spin when the A/C is on, you might be able to jumper wires to test the non-functioning fan. If the fans aren't working, then that is probably your problem, check your fans, relays, fuses, etc. If the fan(s) are functioning properly with the A/C on, turn your car off, let it cool, and check your coolant level in your radiator, if that is ok, you may have a sticking thermostat, or other restriction in your cooling system. A faulty water pump could also create a problem. If you only see overheating (or near overheating for that matter) when your A/C is on, It is, in my opinion, most likely an issue with your fan(s). Good Luck, Scott C. The Shade Tree Technician LLC / Wichita, KS
Steam is coming from the left-hand side of the radiator when running fan does kick on and it stops Does my radiator have a leak?
It may NOT be a leaky radiator. However, you may wish to check your upper and lower radiator hoses and tighten all of the fittings (if necessary), and also trace the hoses all the way down to where they meet the engine. Be on the look-out for dry-rot and be looking for spots that might be bulging out. The bulging spots could indicate that the hose is ready to burst. It is best to conduct this inspection while the vehicle IS running and HAS BEEN running for a few minutes so that it is warmed up. BE SURE to be VERY careful because radiator hoses are HOT, and engine compartments are intentionally small. P.s: IF you can identify to the location and actually SEE the steam coming directly from your radiator, then yes, you DO have leak in your radiator.
What should you do if you have to jump start your car each morning?
This may be a sign that your battery needs to be replaced. However, there may be other causes as well.
If a 1996 Saturn SL motor was replaced because a head was blown and oil was leaking into the radiator why is oil still leaking into the radiator?
Sometomes it is hard to get all of the oil out of the cooling system. However the place that replaced the engine should flush the cooling system until it is clean. Also if your car has an engine oil cooler , it could be the cooler in the radiator and not have been the engine in the first place.
1994 cadillac concours over heating both fans not on radiator was replaced just the other day. Please help?
Could be a number of things. Bad water pump, stuck thermostat, bad fan thermal relay, clogged radiator, blown head gasket, just to name then most obvious. Take it back to whomever replaced the radiator to make sure they reconnected the electrical connectors to the fans. Many vehicles with electric radiator fans have a thermistor built into the radiator that tells the system when to come on and shut off. If the radiator was replaced with an aftermarket item and the replacement did not have the proper holes to screw the thermistors into you will have to have a modification made that will accomodate the thermistors or have the right OEM radiator installed. The thermistor on this car is located on the rear cylinder head just above the transaxle and the magnasteer unit facing the left fender (it's tight but it can be checked and replaced if you unscrew the egr valve and egr lines, about 5 minutes). I have my doubts that this is the problem however because when the thermistor is not functioning properly the fans automatically come on but better safe than sorry. Be sure to check the cooling fan relay under the hood. Otherwise have your ECM checked. If a new one cures it then good. If not, then take it in and get your $$$ back.
How do you fix a crack in top of radiator?
For metal radiators, ideally, it needs to be braised (not usually a do-it-yourself job). However, if there is too much metal fatigue, it must be replaced. For plastic radiator parts, ideally, the part should be replaced, and any other plastic radiator parts should be inspected for signs of impending failure since they are likely to have similar life spans.
You had a pressure test on your car and the radiator and all hoses were replaced however its still leaking antifreeze?
Possible cracked block or a blown head gaskets.
If the engine overheats will this drain the air conditioning?
The air conditioning is a separate system from the cooling system and will not be affected by overheating, however if the overheating problem is associated with an inoperative cooling fan or a blockage in the air flow through the radiator and evaporator then the system will not cool properly.
Are their bleeder valves on a 1999 Chevy Astro Van for the coolant?
the cooling system is a pressurized system with the radiator cap designed to release pressure and expanded coolant into the overflow can. there is a drain however, look at the bottom of the radiator on the passenger side for a wingnut, loosen it and the coolant flows out.
What causes a Honda CR-V -RD1 to overheat?
(1) Insufficient coolant in the cooling system. (2) Wrong mixture of in radiator (too much water and not enough coolant) (3) Water pump has failed (4) Radiator exterior cooling fins are plugged with debris and dead bugs (5) Radiator is internally plugged with debris from dirty coolant (6) Radiator hoses are old and failing and are collapsing (7) The radiator cap has failed or is of the wrong type (8) (outside possibility) the thermostat has failed improperly (a thermostat is SUPPOSED to fail in a 'safe' mode i.e.: it fails in the open position - however it MIGHT have failed in the closed position which would prevent coolant from circulating through the radiator. (9) the radiator cooling fan is failing to come on due to some type of electrical problem in the fan circuit
Can you drive a car with only water in the radiator?
Yes, you can. In fact, pure water is a more effective coolant than any mixture of water and antifreeze. However, it is not recommended that you run pure water in a cooling system for an extended length of time. Not only does antifreeze protect against freezing. It also contains corrosion inhibiters, which help prevent your engine and radiator from succumbing to corrosion. For these reasons, using only water in your cooling system is something you should do only when you have no choice (such as a roadside emergency). However, if pure water is used in a cooling system for this reason, the cooling system should be drained ASAP and refilled with the proper mixture of antifreeze and water.
What can cause high pressure in the cooling system of a Saturn?
High pressure in a car's cooling system might be caused by exhaust gases from normal engine combustion entering the cooling system. The exhaust gases might be entering the coolant due to a head gasket that is leaking, or perhaps even due to a cracked engine block. Note that under normal operation, cooling systems are pressurized due to the heat expansion of the coolant. However, if a fairly new radiator and/or hose has burst, or if the coolant hoses connecting to the radiator are rigid with pressure, this is abnormally high pressure.
Why does a car needs a radiator to operate effectively?
Not all cars do (eg electric cars). However if the car is powered by a combustion engine then the engine produces heat and this heat must be dissipated or the engine will overheat and cease. This is why combustion engine powered vehicles need a cooling system/radiator.
Why does a car need a radiator to operate effectively?
Not all cars do (eg electric cars). However if the car is powered by a combustion engine then the engine produces heat and this heat must be dissipated or the engine will overheat and cease. This is why combustion engine powered vehicles need a cooling system/radiator.
Your 1992 Geo Prizm overheats after about 20 miles on the highway going 50 however when you increase speed to about 60 it stays more constant any ideas why?
Possible reasons: The electric cooling fan for the radiator isn't working; The radiator is low on coolant (there's air in the cooling system); The belt to the water pump is worn out or loose; The water pump is worn out Answer to above question... Increasing vehicle speed forces more ram-air through the radiator, thus helping to decrease the temperature of the coolant.
