Question about 1985 Plymouth Reliant

Open Question

Car overheats, fan doesn't come on, where is the temperature sensor located?

This car overheats, we discovered that the electric fan doesn't kick on so we bought a sensor, now we can't find where the sensor is located.. this is the one to tell the electric fan motor to turn on.
Last week, we drove it for about 11 miles and when we got home, I felt the radiator cap, which was cold, I then loosened the cap........big mistake. Now I have 2nd degree burns on my hand and torso. Why would the cap be cold? Right as I turned the cap, I heard the water come out of the engine and return to the radiator, just as I loosened it and you can imagine what happened next. Anyway, we need to figure this out. Also the gauge doesn't register hot and when we took the thermostat out, the rubber seal seems loose, could that be part of the problem?

Posted by on


6 Suggested Answers

  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

A 6ya expert can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
The service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
Good luck!

Posted on Jan 02, 2017

  • 11 Answers

SOURCE: Radiator electric cooling fan cycles on and off every few seconds

Had the same problem with a Neon same age as yours. Mine started after driving through a large snow storm that packed snow under the hood. Turned out there is a relay or sensor for the fan that had to be replaced. Once this was done the problem was fixed.

Posted on Nov 19, 2008

  • 18 Answers

SOURCE: Plymouth Breeze 1998 ... no heat.... "check engine" light

He's givin you the truth and nothing but the truth those are all symptoms of a blown head gasket wich is usually a pretty pricey job. I guess you need a final price and then weigh out whether its more economical for you to save it or replace it. It Happens Good luck.
p.s If you keep it make sure the entire cooling system is flushed to prevent further problems

Posted on Jan 06, 2009

  • 14036 Answers

SOURCE: 1996 Grand Voyager 3.3L Over Heats

faulty fan relay.

Posted on May 10, 2009

  • 880 Answers

SOURCE: heater blows cold air 1995 plymouth voyager

With the engine cold & the radiator full remove the radiator cap and start the engine. Let the engine reach operating temperature which will open the thermostat. When it opens the water in the radiator will start circulating if the pump & thermostat are operating properly. If all is ok replace the cap and turn the temperature lever on the heater to hot If you still have no heat check the heater valve on the engine firewall. Open it manually and see if you have heat. If yes check the cable from the velve to the temperature lever.

Posted on Jan 03, 2010

  • 14036 Answers

SOURCE: When accelerating, the car jerks and hops and pops


Posted on Jun 24, 2010

Add Your Answer

Uploading: 0%


Complete. Click "Add" to insert your video. Add



Related Questions:

1 Answer

Mitsubishi triton 2013 overheating issues. We have put a new thermostat, had the radiator flushed, put on a manual temperature gauge. Car does not overheat.

if the car is still over heating then check the fan and see if the fan is kicking in.

Also most of the new cars after replacing the thermostat, you need to clear the fault with a computer as they get stored on the system and will not clear from dash. Even though you have replaced several parts and everything is working fine. system will need to cleared.

May 04, 2017 | Mitsubishi Cars & Trucks

1 Answer

Ford crown vic overheating while idling, A/C off heater off

The electric fan should kick in before overheat. If it's not, then check:
electric fan
relay to switch electric fan on
temperature sender (and temperature sensor, they're different)

Mar 02, 2016 | 2006 Ford Crown Victoria

1 Answer

Why isn't my fan working? My car is overheating while driving and the fan doesn't kick on to cool engine down, even while driving.

There should be a fan relay and it may be protected with a fuse. There are temperature sensors which sense the water is hot and make the relay work.

Jul 16, 2014 | 2004 Ford Mustang

1 Answer

The temperature guage in my 1996 Ford Taurus always reads over 3/4 of the way up. The car doesn't overheat. It just shows it as always running hot. I have flushed the system and put in fresh anti-freeze. I...

Change the sensor. Check the electric cooling fans and Relays. Some fans have 2 speeds and may not kick into high speed.
The radiator operates more or less closely to the block temperature. A Laser thermometer would tell you what the operating temperature is.

Aug 11, 2013 | 1996 Ford Taurus

1 Answer

Hi my volvo XC 90 can overheat when stuck in traffic on a hot day, as soon as the car is moving the car cools down. I believe the fan is not activating but unsure as to what exactly controls the fan. Any...

There is a coolant temperature sensor that...well....senses the temperature of the coolant. :-)

When it reaches a certain temperature, it completes the electrical circuit to a fan relay, that, in turn, kicks on the electric fan.

It could be a bad coolant temperature sensor, fan relay, fan motor, or wiring between any of the above. It may take a visit to a qualified auto technician to trace down the exact problem.

I hope this helps!

May 09, 2011 | 2005 Volvo XC90

2 Answers

Electrical fans wont kick on, car will run hot if they dont kick in..Tried changing fuses still wont come on..

The fans have a seperate temperature sensor either in the radiator or the block. Follow the fan wires to locate this sensor and unplug the sensor and with the key on touch the wires together. If the sending unit is bad the fans will come on. If the sending unit works the fan motor is bad.

Jan 19, 2010 | 1995 Chevrolet Impala

1 Answer

MY 2000 VW Passat Temperature Gauge rises to 90 but doesn't go above when the car overheats. What could be the problem?

faulty temperature sensor locate it going into the block and replace its located on the block itself usually drivers side or in the front has 1 wire coming out from it far as overheating is concerned does the fan relay kick in and possibly you need the thermostat changed or is there enough radiator coolant in the radiator .

Sep 08, 2009 | 1999 Volkswagen Passat

1 Answer

98 jetta car overheat when ac is on

Could be a bad sensor temperature sensor that is telling Fan to shut off . Fans should kick on high the moment the AC is swithced to the on position. I would also check Thermostat

Aug 18, 2009 | 1996 Volkswagen Jetta

2 Answers

93 olds cutlas supreme overheating but there is no steam. Where is the fan temperature sensor located?

Usually near the thermostat.
By the way, remove the thermostat and drive around with the car. If it still overheats, might have some other problem, like you said, temp sensor, or some kind of electrical problem.

Jul 14, 2009 | 1993 Oldsmobile Cutlass Supreme

Not finding what you are looking for?
Cars & Trucks Logo

Related Topics:

44 people viewed this question

Ask a Question

Usually answered in minutes!

Top Plymouth Experts


Level 3 Expert

77947 Answers

Colin Stickland
Colin Stickland

Level 3 Expert

22306 Answers

Jeffrey Turcotte
Jeffrey Turcotte

Level 3 Expert

8832 Answers

Are you a Plymouth Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides