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How to disconnect connector to coolant level sensor on Mazda trib

The coolant level is full, however the warning light stays on

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Wires/plug attached to bottom of coolant bottle for level meter..corroded may need to do more than disconnect it though.. test power/ground there... it may need to be wired into itself to satisfy idiot light on dash

Posted on Dec 26, 2008


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2 Answers

The coolant light active on the dashboard, even after changing tha coolant and flushing the radiati

ensure that the radiator is full to that radiator cap. Check that the wiring to the coolant level sensor is intact as it needs a complete circuit through the unit and coolant to operate correctly.

Aug 24, 2014 | 2002 Mazda Tribute

1 Answer

The little red water level gauge stays on

The red square shaped warning dash light is an image of a crudely drawn radiator indicating that you are low on coolant. Topping up your coolant bottle reservoir located on the passenger side above the wheel should clear up your issue. If your coolant level is full and is still indicating low coolant via dash warning light, you could possibly have a sensor out in the radiator or air bubbles in your coolant lines that need to be bled out.

May 01, 2013 | 1996 Pontiac Sunfire

1 Answer

Engine coolant light wont go off

You can simply replace or unplug the sensor. Unplugging it should turn off the warning light and won't affect anything. The sensor is usually located on the passenger side of the radiator. It is hard to see it but its there!

If you disconnect the sensor and the light goes off, make sure no other warning lamps light up, and then you will have to check the coolant level yourself.

Aug 25, 2011 | 2004 Mazda RX-8

2 Answers

Warnig light comes on even though coolant level is good

It's very likely you have a bad coolant level sensor.
This sensor is in the coolant reservior. In some cases you may get the same warning if the reservior is overfilled, make sure the level of coolant only goes up to the, " FULL " line on the reservior.

I hope this helps you.

Feb 02, 2011 | Volkswagen Golf Cars & Trucks

2 Answers

The low coolant level warning light continually stays on when all levels are full. how do I turn it off?

Take the connector off the sensor to see if that turns it off. If yes, replace the sensor. If not, the wiring is shorted somewhere. Please let me know if you need instructions or have more questions.

Oct 25, 2010 | Buick Century Cars & Trucks

1 Answer

How do you replace coolant temperature sensor on an 2001 Oldsmobile Intrigue

Removal & Installation To Remove:
ECT sensor 3.5L engine 93174g14.gif

  1. Disconnect the battery ground cable.
  2. Drain the coolant below the level of the engine coolant temperature (ECT) sensor.
  3. Disconnect the ECT sensor electrical connector.
  4. Carefully remove the ECT sensor.
To Install:
Damage to the coolant sensor will affect the operation of the fuel control system.
  1. Coat the ECT sensor threads with thread sealer.
  2. Install the ECT sensor. Tighten the sensor to 15 ft lb (20 Nm) on 3.5L engines and 22 ft lb (30 Nm) on 3.8L engines.
  3. Install the ECT sensor electrical connector.
  4. Connect the battery ground cable.
  5. Refill the cooling system using the recommended procedure.
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Aug 29, 2010 | 2001 Oldsmobile Intrigue

2 Answers

Faulty warning light

You will see a switch with a wiring connector plugged into the radiators side tank at the right side. That is the low coolant switch

Apr 03, 2010 | 2000 Chevrolet Impala

1 Answer

Low level coolant warning light stays on but water level is full

It is common for the sensor to fail on these. It is part of the coolant tank cap assembly.

Nov 24, 2009 | 1995 Jaguar XJ6

3 Answers

Coolant light

If you locate the water expansion tank (front of the bonnet, opened, with the pressure-cap to top-up if necessary) - check that there's sufficient coolant in there (check whilst the engine is cold).

If so, you may be suffering the same problem as a lot of RX8 owners, with a dodgy coolant level sensor in the tank. One way to confirm this is to remove the connector to the tank - on the left-hand side of the tank as you look from the front (not the air-conditioning connector, immediately to the left of it, attached to an aluminium billet). Ensure the (now free-hanging) connector from the wiring loom is safely stowed and give it a test drive. If you're satisified that the warning goes away then you know that the level sensor in the tank is faulty (and therefore the warning light is spurious). Unfortunately, that's a pricey item to replace (dealer price, UK, in the region of £200).

Remember, leaving the coolant sensor unplugged to avoid the spurious warnings would mean that a genuine problem that resulted in (catestrophic) loss of coolant would then go undetected, until too late. So do this at your peril.

Sep 05, 2009 | 2004 Mazda RX-8

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