How To Fix an Astra H with No Heat. CLICK HERE if your car heater is blowing cold/warm air! This easy and FREE fix will restore heat to your car! How to flush a heater matrix/core on a When the engine is up to temperature see if you have one boiling hot pipe going to the heater at the bulkhead and one cold pipe. If you do then the matrix is blocked. If they are both hot then it points to an air distribution fault within the heater itself. Diagnostic equipment - latest OpCom Advanced 210420b Professional. 2515 posts · Joined 2015. #3 · Dec 20, 2019. I believe it's a common problem. Vauxhall changed the connectors under the seat for this reason. Sure there is a Technical service bulletin about it. Long time Vauxhall owner (well from 1986 anyway - lol). Currently driving an Astra-J 2.0 diesel auto. 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. There has been a few threads and posts about members that are having problems with the heater/blower speed controlwith the blower not working until the control is on full or position 3. I myself had this problem with the old LS that i hadthe blower didnt work until setting 3 which only blew as if it was on 1 and then on setting 4 it was lMe9vH4. 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. 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. 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 Consider to support my channel and all the hard work put into it at http://www.patreon.com/LMAutoRepairs Thank youHiThis car came to me after had an engine r It should only prevent it working on the slowest speed. See the pic below. By the way, Vauxhalls generally use Brown cable as the earth/neutral and have been for at least since the Mk2 Astra. Black normally means something else. If you connect it back up as normal it should work on every speed bar the slowest speed.

opel astra heater not working