take the glovebox out, 4 t20 screws i think adn the heater blower is at the back on the left, have a rummage around there check the filter at the same time. this might help http://www.astraownersnetwork.co.uk/showthread.php?120853-Oil-and-filters-change-Astra-H
Joined: Jun 2014. 3 04-18-2018, 10:55 AM. (04-18-2018, 12:18 AM)KIR73 Wrote: It's well known problem. The display unit is CAN gate for Climate control. Climate control ecu has no ignition wire it powers after can command. No display - no gate no can command and climate ecu simply didn't know tha ignition is on.
Cigar lighter / power outlet fuses in the Opel Astra J are the fuses #6 (Power outlet front), #7 (Power outlet rear seat), #26 (Power outlet load compartment) in the Instrument panel fuse box, and fuse #17 (Power outlet) in the load compartment fuse box.
Step 2: Start the Engine. Start the engine and set the heater temperature control inside the car to high and the blower motor fan on low. This allows the coolant to reach operating temperature faster by not removing heat from coolant through the heater core. Let the engine run.

Note: Replace blower motor if required. Dry heater housing inner side. - see working procedure "Blower Motor Replacement — Right Hand Drive", group "HVAC/Heating, Ventilation, and Air Conditioning", Service Instruction Astra-J (Document Number 92293574) 3. Remove blower motor control module and check for water traces

Remove the windscreen wipers. Remove the scuttle panel. Remove the pollen filter by releasing the 2 retaining clips. Undo the 2 retaining screws holding the resistor pack in place. Now fit the new resistor pack, and replace everything in reverse order. That should cure your heater problems.

35002 posts · Joined 2004. #1 · Dec 28, 2018. Hey there, Got a 2010 Corsa 1.2 SXi, and the heat direction dial will only move a few degrees from centre. Is this a common problem? Thought I would ask, before I start removing stuff and finding out if it's the panel or flaps etc further in to the heater box.
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    • opel astra heater not working