Heating not working c4 grand Picasso 2012 1.6diesel

[bbfn2001]

Hi was wondering if someone could advise, I have only the smallest amount of of hot air blowing, feels more cold than anything, I have replaced the thermostat housing, the heater matrix, bled for airlocks, but still the same what would be the next step thanks

[GiveMeABreak]

How did you bleed the system - there are procedures for doing this after coolant replacement.

[bbfn2001]

Not sure was done by mechanic

[GiveMeABreak]

Well all I can tell you is that it has to be bled correctly in order to properly bleed the heater matrix.

[bbfn2001]

Could you point me the direction of how this is done(the procedure) thanks

[GiveMeABreak]

I can but you'll need to upgrade your membership to access the resources / procedures:

In the procedure below it is the identical process on your engine, just follow the part under de-gassing for non-Euro 6 engines.

The guide is for the complete draining and refilling of the cooling system, so you'll be able to see if any steps were not completed.

viewtopic.php?t=64036

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If you need an original, genuine part number or part diagram, and can't already find the info you need on the Forum, we do ask for a membership upgrade for official parts data as we are in turn charged for this. It will cover you for future part number requests for up to 2 years, so excellent value.

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[bbfn2001]

Thankyou