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Radiator fan not turning on automatically
Make and model: 1999 Opel Corsa 1.3l
My radiator fan doesn't turn on automatically when the engine starts heating up. I have to stop the car and physically plug it out to work. Any suggestions on what may be wrong and what the cost to fix the problem would be?
radiator opel fan corsa
edited Jan 14 at 13:04
Pᴀᴜʟsᴛᴇʀ2♦
110k18171365
asked Jan 14 at 11:22
BrendonBrendon
111
add a comment |
Make and model: 1999 Opel Corsa 1.3l
My radiator fan doesn't turn on automatically when the engine starts heating up. I have to stop the car and physically plug it out to work. Any suggestions on what may be wrong and what the cost to fix the problem would be?
radiator opel fan corsa
edited Jan 14 at 13:04
Pᴀᴜʟsᴛᴇʀ2♦
110k18171365
asked Jan 14 at 11:22
BrendonBrendon
111
Welcome to Motor Vehicle Maintenance & Repair!
– Pᴀᴜʟsᴛᴇʀ2♦
Jan 14 at 13:05
add a comment |
Make and model: 1999 Opel Corsa 1.3l
My radiator fan doesn't turn on automatically when the engine starts heating up. I have to stop the car and physically plug it out to work. Any suggestions on what may be wrong and what the cost to fix the problem would be?
radiator opel fan corsa
edited Jan 14 at 13:04
Pᴀᴜʟsᴛᴇʀ2♦
110k18171365
asked Jan 14 at 11:22
BrendonBrendon
111
Make and model: 1999 Opel Corsa 1.3l
My radiator fan doesn't turn on automatically when the engine starts heating up. I have to stop the car and physically plug it out to work. Any suggestions on what may be wrong and what the cost to fix the problem would be?
radiator opel fan corsa
radiator opel fan corsa
edited Jan 14 at 13:04
Pᴀᴜʟsᴛᴇʀ2♦
110k18171365
asked Jan 14 at 11:22
BrendonBrendon
111
edited Jan 14 at 13:04
Pᴀᴜʟsᴛᴇʀ2♦
110k18171365
asked Jan 14 at 11:22
BrendonBrendon
111
edited Jan 14 at 13:04
Pᴀᴜʟsᴛᴇʀ2♦
110k18171365
edited Jan 14 at 13:04
Pᴀᴜʟsᴛᴇʀ2♦
110k18171365
edited Jan 14 at 13:04
Pᴀᴜʟsᴛᴇʀ2♦
110k18171365
110k18171365
asked Jan 14 at 11:22
BrendonBrendon
111
asked Jan 14 at 11:22
BrendonBrendon
111
asked Jan 14 at 11:22
BrendonBrendon
111
111
Welcome to Motor Vehicle Maintenance & Repair!
– Pᴀᴜʟsᴛᴇʀ2♦
Jan 14 at 13:05
add a comment |
Welcome to Motor Vehicle Maintenance & Repair!
– Pᴀᴜʟsᴛᴇʀ2♦
Jan 14 at 13:05
Welcome to Motor Vehicle Maintenance & Repair!
– Pᴀᴜʟsᴛᴇʀ2♦
Jan 14 at 13:05
Welcome to Motor Vehicle Maintenance & Repair!
– Pᴀᴜʟsᴛᴇʀ2♦
Jan 14 at 13:05
add a comment |
2 Answers
2
active
oldest
votes
If you find that the fan works when the wiring to the themro-switch is bridged (i.e. when you physically plug the wiring, the fan turns on) this would suggest that the themo-switch is at fault. This is the bit that screws into the cooling system and plugs into the fan loom where you manually switch it on.
Testing the resistance of this switch at different temperatures would confirm this and it's typically fairly cheap and simple to replace.
Other issues that may cause this could be a switch that has heavily corroded terminals or if there is an air-lock in the system where the switch sits. I'd also advise checking the operation of the thermostat (i.e. the radiator is actually getting hot).
answered Jan 14 at 11:49
Steve MatthewsSteve Matthews
20.1k23071
1
If memory serves me correctly there might be two thermo switches on the radiator for these old Corsas. It might be worth while connecting to the other one at see if it resolves the issue. Side note:that car might run a bit hotter/colder on the other switch once it gets up to full temperature but if it does work then you should just be able to replace the switch at a reasonable cost.
– BossRoss
Jan 18 at 10:00
add a comment |
There's a thermocouple switch which activates the fan when the coolant in the radiator gets above a certain temperature. It's probably the switch, which is cheap - a new switch is probably all of £10 including delivery.
Installing is relatively simple job, but IIRC the sensor on Corsas is typically at the bottom of the radiator, so you would have to get under the car and deal with the coolant coming out. Draining the coolant is the normal procedure, however you could get away with not doing that if you are quick with your thumb and have a bowl and towel handy - you get the old one off then cover the hole, then get the new one on quickly. Afterwards you replace the coolant lost in the process, and makes sure any air introduced gets out of the system.
Given it's a certain amount of trouble to do that I'd suggest you check the contacts on the sensor and the socket as well as the wiring continuity before you take that step.
answered Jan 14 at 13:25
GdDGdD
5,5481126
add a comment |
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2 Answers
2
active
oldest
votes
2 Answers
2
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oldest
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active
oldest
votes
active
oldest
votes
If you find that the fan works when the wiring to the themro-switch is bridged (i.e. when you physically plug the wiring, the fan turns on) this would suggest that the themo-switch is at fault. This is the bit that screws into the cooling system and plugs into the fan loom where you manually switch it on.
Testing the resistance of this switch at different temperatures would confirm this and it's typically fairly cheap and simple to replace.
Other issues that may cause this could be a switch that has heavily corroded terminals or if there is an air-lock in the system where the switch sits. I'd also advise checking the operation of the thermostat (i.e. the radiator is actually getting hot).
answered Jan 14 at 11:49
Steve MatthewsSteve Matthews
20.1k23071
1
If memory serves me correctly there might be two thermo switches on the radiator for these old Corsas. It might be worth while connecting to the other one at see if it resolves the issue. Side note:that car might run a bit hotter/colder on the other switch once it gets up to full temperature but if it does work then you should just be able to replace the switch at a reasonable cost.
– BossRoss
Jan 18 at 10:00
add a comment |
If you find that the fan works when the wiring to the themro-switch is bridged (i.e. when you physically plug the wiring, the fan turns on) this would suggest that the themo-switch is at fault. This is the bit that screws into the cooling system and plugs into the fan loom where you manually switch it on.
Testing the resistance of this switch at different temperatures would confirm this and it's typically fairly cheap and simple to replace.
Other issues that may cause this could be a switch that has heavily corroded terminals or if there is an air-lock in the system where the switch sits. I'd also advise checking the operation of the thermostat (i.e. the radiator is actually getting hot).
answered Jan 14 at 11:49
Steve MatthewsSteve Matthews
20.1k23071
1
If memory serves me correctly there might be two thermo switches on the radiator for these old Corsas. It might be worth while connecting to the other one at see if it resolves the issue. Side note:that car might run a bit hotter/colder on the other switch once it gets up to full temperature but if it does work then you should just be able to replace the switch at a reasonable cost.
– BossRoss
Jan 18 at 10:00
add a comment |
If you find that the fan works when the wiring to the themro-switch is bridged (i.e. when you physically plug the wiring, the fan turns on) this would suggest that the themo-switch is at fault. This is the bit that screws into the cooling system and plugs into the fan loom where you manually switch it on.
Testing the resistance of this switch at different temperatures would confirm this and it's typically fairly cheap and simple to replace.
Other issues that may cause this could be a switch that has heavily corroded terminals or if there is an air-lock in the system where the switch sits. I'd also advise checking the operation of the thermostat (i.e. the radiator is actually getting hot).
answered Jan 14 at 11:49
Steve MatthewsSteve Matthews
20.1k23071
If you find that the fan works when the wiring to the themro-switch is bridged (i.e. when you physically plug the wiring, the fan turns on) this would suggest that the themo-switch is at fault. This is the bit that screws into the cooling system and plugs into the fan loom where you manually switch it on.
Testing the resistance of this switch at different temperatures would confirm this and it's typically fairly cheap and simple to replace.
Other issues that may cause this could be a switch that has heavily corroded terminals or if there is an air-lock in the system where the switch sits. I'd also advise checking the operation of the thermostat (i.e. the radiator is actually getting hot).
answered Jan 14 at 11:49
Steve MatthewsSteve Matthews
20.1k23071
answered Jan 14 at 11:49
Steve MatthewsSteve Matthews
20.1k23071
answered Jan 14 at 11:49
Steve MatthewsSteve Matthews
20.1k23071
answered Jan 14 at 11:49
Steve MatthewsSteve Matthews
20.1k23071
20.1k23071
1
If memory serves me correctly there might be two thermo switches on the radiator for these old Corsas. It might be worth while connecting to the other one at see if it resolves the issue. Side note:that car might run a bit hotter/colder on the other switch once it gets up to full temperature but if it does work then you should just be able to replace the switch at a reasonable cost.
– BossRoss
Jan 18 at 10:00
add a comment |
1
If memory serves me correctly there might be two thermo switches on the radiator for these old Corsas. It might be worth while connecting to the other one at see if it resolves the issue. Side note:that car might run a bit hotter/colder on the other switch once it gets up to full temperature but if it does work then you should just be able to replace the switch at a reasonable cost.
– BossRoss
Jan 18 at 10:00
1
1
If memory serves me correctly there might be two thermo switches on the radiator for these old Corsas. It might be worth while connecting to the other one at see if it resolves the issue. Side note:that car might run a bit hotter/colder on the other switch once it gets up to full temperature but if it does work then you should just be able to replace the switch at a reasonable cost.
– BossRoss
Jan 18 at 10:00
If memory serves me correctly there might be two thermo switches on the radiator for these old Corsas. It might be worth while connecting to the other one at see if it resolves the issue. Side note:that car might run a bit hotter/colder on the other switch once it gets up to full temperature but if it does work then you should just be able to replace the switch at a reasonable cost.
– BossRoss
Jan 18 at 10:00
add a comment |
There's a thermocouple switch which activates the fan when the coolant in the radiator gets above a certain temperature. It's probably the switch, which is cheap - a new switch is probably all of £10 including delivery.
Installing is relatively simple job, but IIRC the sensor on Corsas is typically at the bottom of the radiator, so you would have to get under the car and deal with the coolant coming out. Draining the coolant is the normal procedure, however you could get away with not doing that if you are quick with your thumb and have a bowl and towel handy - you get the old one off then cover the hole, then get the new one on quickly. Afterwards you replace the coolant lost in the process, and makes sure any air introduced gets out of the system.
Given it's a certain amount of trouble to do that I'd suggest you check the contacts on the sensor and the socket as well as the wiring continuity before you take that step.
answered Jan 14 at 13:25
GdDGdD
5,5481126
add a comment |
There's a thermocouple switch which activates the fan when the coolant in the radiator gets above a certain temperature. It's probably the switch, which is cheap - a new switch is probably all of £10 including delivery.
Installing is relatively simple job, but IIRC the sensor on Corsas is typically at the bottom of the radiator, so you would have to get under the car and deal with the coolant coming out. Draining the coolant is the normal procedure, however you could get away with not doing that if you are quick with your thumb and have a bowl and towel handy - you get the old one off then cover the hole, then get the new one on quickly. Afterwards you replace the coolant lost in the process, and makes sure any air introduced gets out of the system.
Given it's a certain amount of trouble to do that I'd suggest you check the contacts on the sensor and the socket as well as the wiring continuity before you take that step.
answered Jan 14 at 13:25
GdDGdD
5,5481126
add a comment |
There's a thermocouple switch which activates the fan when the coolant in the radiator gets above a certain temperature. It's probably the switch, which is cheap - a new switch is probably all of £10 including delivery.
Installing is relatively simple job, but IIRC the sensor on Corsas is typically at the bottom of the radiator, so you would have to get under the car and deal with the coolant coming out. Draining the coolant is the normal procedure, however you could get away with not doing that if you are quick with your thumb and have a bowl and towel handy - you get the old one off then cover the hole, then get the new one on quickly. Afterwards you replace the coolant lost in the process, and makes sure any air introduced gets out of the system.
Given it's a certain amount of trouble to do that I'd suggest you check the contacts on the sensor and the socket as well as the wiring continuity before you take that step.
answered Jan 14 at 13:25
GdDGdD
5,5481126
There's a thermocouple switch which activates the fan when the coolant in the radiator gets above a certain temperature. It's probably the switch, which is cheap - a new switch is probably all of £10 including delivery.
Installing is relatively simple job, but IIRC the sensor on Corsas is typically at the bottom of the radiator, so you would have to get under the car and deal with the coolant coming out. Draining the coolant is the normal procedure, however you could get away with not doing that if you are quick with your thumb and have a bowl and towel handy - you get the old one off then cover the hole, then get the new one on quickly. Afterwards you replace the coolant lost in the process, and makes sure any air introduced gets out of the system.
Given it's a certain amount of trouble to do that I'd suggest you check the contacts on the sensor and the socket as well as the wiring continuity before you take that step.
answered Jan 14 at 13:25
GdDGdD
5,5481126
answered Jan 14 at 13:25
GdDGdD
5,5481126
answered Jan 14 at 13:25
GdDGdD
5,5481126
answered Jan 14 at 13:25
GdDGdD
5,5481126
5,5481126
add a comment |
add a comment |
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