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Author Topic: Mk1 rear heater blowing cold  (Read 3528 times)

Offline i7555p

  • *
  • Posts: 24
  • Thanked: 3
  • Model: Galaxy Mk3
  • Spec: 2008 1.8TDCi
  • Region: South East
Mk1 rear heater blowing cold
« on: January 26, 2015, 01:38:05 PM »
I have had no heat at all from the rear heater for sometime now, the aux heater is working (though that is another story).

I can't help thinking that the rear heater matrix might be full of air since it is higher up than the pipework that feeds it, but
I can't see anyway of bleeding it.  Is the flow pressure meant to be enough to push the air through? I don't think my model has the electric water pump for the rear end.

I took the small return pipe off the top of the expansion tank and ran the engine in case it was blocked, just a small flow came through, the pipe was removed and blown through but found to be clear as was the spiggot going into the tank.

Any other thoughts on this?

Regards

Ian

Offline Chrispb

  • Mindsaysyesbodysaysnono
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  • Posts: 3024
  • Thanked: 112
  • Model: Galaxy Mk2 Auto
  • Spec: 52reg TDI 115 Ghia
  • First Name: Chris
  • Region: South East
  • Country: United Kingdom
Re: Mk1 rear heater blowing cold
« Reply #1 on: January 26, 2015, 01:45:06 PM »
Feel the coolant pipes by the N/S rear wheel arch, are they hot or cold?
2009 Kia Sedona GS In Black 2.9CRDI 183PS. 5 Speed Manual WAV.
2003 MK2 Galaxy Ghia In Solid Black 1.9 TDI 115PS. 5 Speed Automatic.

Upgraded Eberspächer booster heater  to independent heating with 7 day timer.

With VCDS lite (full version) need a code clearing or want to scan for faults in the north kent area, PM me.
All for a pint of Strongbow.

The FordMPV.com Forum - The free forum for questions and answers relating to the Ford Galaxy, S-Max and C-Max

Offline i7555p

  • *
  • Posts: 24
  • Thanked: 3
  • Model: Galaxy Mk3
  • Spec: 2008 1.8TDCi
  • Region: South East
Re: Mk1 rear heater blowing cold
« Reply #2 on: January 29, 2015, 12:37:20 PM »
The pipes are were hotish after driving 7 miles, aux heater not on.  I have previously run the aux heater which has increased the heat output at the front but still blowing cold at the back.

I you think it is unlikely that the rear matrix is full of air then maybe the flaps are stuck on cold?

I have never seen the rear heater, how difficult is it to gain access to?

Regards

Ian

Offline Chrispb

  • Mindsaysyesbodysaysnono
  • *
  • Posts: 3024
  • Thanked: 112
  • Model: Galaxy Mk2 Auto
  • Spec: 52reg TDI 115 Ghia
  • First Name: Chris
  • Region: South East
  • Country: United Kingdom
Re: Mk1 rear heater blowing cold
« Reply #3 on: January 29, 2015, 12:54:25 PM »
2009 Kia Sedona GS In Black 2.9CRDI 183PS. 5 Speed Manual WAV.
2003 MK2 Galaxy Ghia In Solid Black 1.9 TDI 115PS. 5 Speed Automatic.

Upgraded Eberspächer booster heater  to independent heating with 7 day timer.

With VCDS lite (full version) need a code clearing or want to scan for faults in the north kent area, PM me.
All for a pint of Strongbow.

The FordMPV.com Forum - The free forum for questions and answers relating to the Ford Galaxy, S-Max and C-Max

 

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