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Coolant for matrix/ - 2005 Toyota Matrix

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50/50 Antifreeze / Distilled water. or buy pre-mixed antifreeze

Posted on Feb 26, 2009


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

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Posted on Jan 02, 2017


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99 dodge ram started overheating all of a sudden a sputtering sound came from directly behind glovebox then the temp went back down what could this possibly be?

If the heater matrix is buried somewhere behind the glovebox, the noise could have been air or combustion gas being pumped through the matrix.

Cylinder head gaskets normally allow small amounts of combustion gas to escape and the cooling system is designed to allow it to rise rapidly above the coolant level, often with additional ports and vent hoses leading to the degassing tank.

If the degassing system becomes blocked due to the cooling system being dirty or corroded the gas bubbles can build up and displace coolant and disrupt the thermostat operation and eventually be forced into the heater matrix causing a vapour lock.

A failing head gasket will have a similar effect...

These things will need checking. Overheating is invariably caused by insufficient coolant circulation and/or insufficient cooling air flow through the radiator.

May 06, 2017 | Dodge Cars & Trucks

1 Answer

2003 dodge ram heat to fix

A few of the possible problems are: -

Insufficient coolant temperature - possibly defective thermostat.
Insufficient coolant circulation through the heater matrix.
Insufficient airflow through the heater matrix - possibly due to the build up of leaves or other debris.
Maladjusted or broken heater controls.

First find the problem(s)...

Dec 17, 2016 | Dodge Cars & Trucks

1 Answer

Heaters slow at warming up

In normal circumstances the heater wouldn't begin blowing warm air until the vehicle has travelled 5 miles - call it 5 minutes. That's because the thermostat only begins to open at around that mileage/time and allows coolant to circulate around the engine. Before that - there just isn't any warm coolant in the heater matrix.

After 10 miles/10 minutes of normal driving the engine will be at its correct operating temperature and the coolant will be hotter - as will the circulating coolant in the heater matrix. That's when the heater blows the hottest air.

If you're sure that the heater has lost efficiency it may be due to air being trapped in the heater matrix/coolant system, or a blockage caused by limescale/engine corrosion within the heater matrix itself.

To remove any trapped air, set the heater to maximum, remove the radiator cap/coolant bottle cap and let the engine tick over for 10 minutes.

If the heater matrix is blocked/partially blocked, drain the coolant system, refill with plain water, set the heater control to open .. and let the engine tick over for 10 minutes. Drain it again.

Refill again with plain water and add a can of 'radiator flush'. Follow the instructions on the can of 'radiator flush'.

Drain again and refill with coolant/water.

If the heater is still inefficient then the only option is to replace it - and that's not an easy job.

Jan 21, 2016 | 2006 Nissan Navara 2.5

2 Answers

No heat. How do I check the blend actuator for proper function?

Fold down the glove box to observe the movement of the blend door when you switch between A/C & heat.

Nov 09, 2014 | 2004 Pontiac Grand Am

1 Answer

Replace heater core in 2001 nissan sentra

1) Drain engine coolant. 2) Remove all cowling under the centre of the dash for access to the matrix.3) Remove two water pipes from matrix.4) Disconnect heater matrix valve cable.5) Remove matrix being careful not to spill water over the ECU.
Reverse instructions for refit.
6) With heater turned to maximum heat, top up cooling system with 50/50 anti freeze/water ratio.
Run vehicle and check that the radiator is free of all air and that the radiator fan cuts in when hot.
Run the car and recheck coolant level over the next few days of running in case of leaks.
Check under dash in case of leaks.

Nov 14, 2012 | 2001 Nissan Sentra

1 Answer

Air bubbles in overflow tank ?

Please check whether you have a broken Matrix and leaks coolant as you said on Passenger's floorboard.If you have that means that you are having low level coolant and air is winning and cause bubbles. Check the matrix ( heater under dashboard.)

Aug 17, 2012 | Jeep Grand Cherokee Cars & Trucks

1 Answer

Wet line on dash on hyundai getz

sound like heater matrix leaking coolant.matrix is a small looking radiator inside housing where hot coolant pass through in which when turn on heater heater airdoor or flap door opens when turn on heater controls to get heat sound like matrix leaking. in the UK its called matrix here in the U S heater matrix called heater core.

Jul 13, 2012 | 2007 Hyundai Getz 1.4

1 Answer

2000 ford escort over heats,and no heat .

try replacing thermostat and do a coolant flush, heater matrix behind dash is prone to blockage or leakeage ( with leakage usually footwells are always damp ) before you replace the coolant after flush, fill and drain with water a couple of times, should sort it and it easier than replacing heater matrix. if heater has not been working for a while, as in 12 / 18 months matrix replacement might be only option, but spending a couple of quid on flush is worth a try first

Oct 05, 2011 | 2000 Ford Escort

1 Answer

Have a Peugeot 406 1.8 petrol LX on a 52 plate. Smell of coolant in the cab, no visible leak, top radiator hose hot, both hoses to heater matrix hot, bottom radiator hose cold. Air con works fine.

it could be a slight leak from the heater matrix (check for damp in the passanger foot well) its self or the thermostat may be sticking this may cause the bottom hose to stay cold. you could try removing the thermostat and running it without it and then putting a rad weld in the coolant system to seal the matrix.

let me know if this helps

cheers big mike

Mar 31, 2011 | 2005 Peugeot 405

1 Answer

My car has no heater! iv change the heater matrex and thermal stack! but still the same! any help would be nice!

The heater is only working when the coolant flowing into the heater core ( matrix). It seems that there is no coolant flowing into matrix in your case. It is [possible that the valve to control the coolant flow is not operated so no coolant can flow through. HAve you check that valve. If you did confirm that is working then the next thing is to check if there is coolant at the incoming hose connecting to the heater matrix. At the fire wall there is 2 rubber hoses going to the heater matrix. Try to identify them at the firewall and trace them back to the engine. Buy a piece of the clear hose then connect it into the place of the other 2 ends so you can see if coolant flow when you turn the car at idle. This is to confirm that there is no blockage in the water jacket. To recap check if there is no coolant blockage at the incoming hose to the heater matrix. Hope this can help you to find the root cause.

Dec 13, 2009 | Renault Le Car Cars & Trucks

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