Intermittant internal heaters - HELP I'm COLD!!!!

[quicksilver]

Seem to be having a problems with the heaters in the car going hot and then back to cold. The blowers move to all positions and work fine but just keep going from hot back to cold!!!

 

Doe's the Z have some kind of sensor that regulates and maintains the cars temp?

 

I'm not sure where to start looking but if anyones had a similar problem with a solution it would be good to know.

 

Cheers

Matt

[Ekona]

Check your coolant levels.

[Tarmac@TarmacSportz]

I had a problem with my heaters but they were permanently blowing full power. It turned out to be a loose connection of the wiring after the new gear knob was fitted. Im pretty sure there isnt a model that maintains car temperature.

[quicksilver]

Check your coolant levels.

 

forgot to say I'd checked the coolant and thats fine

 

 

I wasn't sure if the car had a temp sensor that if you flicked the heating up to 30 it then regulated it to maintain a 30 degree temp, but maybe I'm talking tosh

[M13KYF]

try taking the fan speed and position out of auto to see what it does

[slimjim]

I had a problem with my heaters but they were permanently blowing full power. It turned out to be a loose connection of the wiring after the new gear knob was fitted. Im pretty sure there isnt a model that maintains car temperature.

Eh.... is that not just "auto" ?

[webbtay]

On a related note, how long does the average Z take to heat up? Mine takes ages - about 5 minutes at a minimum to get reasonably warm (if i leave everything on auto and set the temp to 25). Does it have a proper heater or does it have to wait for the engine to heat up first?

[CaptainSensible]

On a related note, how long does the average Z take to heat up? Mine takes ages - about 5 minutes at a minimum to get reasonably warm (if i leave everything on auto and set the temp to 25). Does it have a proper heater or does it have to wait for the engine to heat up first?

5 minutes is pretty quick in these conditions. But it doesn rely on the engine getting some temparture in it beofre hot air starts to blow. In my old car (a 1.8T) it took at least 10 minutes to start blowing warm air in sub zero temperatures.

[Tarmac@TarmacSportz]

I had a problem with my heaters but they were permanently blowing full power. It turned out to be a loose connection of the wiring after the new gear knob was fitted. Im pretty sure there isnt a model that maintains car temperature.

Eh.... is that not just "auto" ?

 

Nope - It was full blast when it was in the off position too.... red hot day and the blowers were stuck on full power/full heat..... I lost about a stone in sweat on the journey to work

[slimjim]

Nope - It was full blast when it was in the off position too.... red hot day and the blowers were stuck on full power/full heat..... I lost about a stone in sweat on the journey to work

 

Nice....

[dunkster]

ive got a very similar problem with mine, even at working temperature the blowers blow cold when sat at idle. Once i go above 2 grand it heats up, any ideas?

[kazman]

ive got a very similar problem with mine, even at working temperature the blowers blow cold when sat at idle. Once i go above 2 grand it heats up, any ideas?

 

Coolant needs bleeding?

[dyla350z]

Coolant leval,heater ecu,dry joint,engine thermostat or heater matrix,99% sure it will be one of those

[quicksilver]

Gonna try the bleeding option first, sounds like a good move.

[R35LEE]

Heater controls, ac amp control unit and heater matrix all in stock if you try everything else first mate

[quicksilver]

full drain and re-fill and all is well

[spursmaddave]

On a related note, how long does the average Z take to heat up? Mine takes ages - about 5 minutes at a minimum to get reasonably warm (if i leave everything on auto and set the temp to 25). Does it have a proper heater or does it have to wait for the engine to heat up first?

 

That's what heated seats are for