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  1. Astra J/GTC
    Hi All, I'm in a sticky situation and would like some advice. After changing my thermostat housing side coolant temperature and de-aerating the system on an A16XER engine, i allow the car to reach its operating temperature whilst monitoring the new sensor reading. I heard a rupturing/bursting...
  2. Astra H
    Hey all, Got a coolant level warning a few weeks ago, went to take header tank cap off and yellow part came away without black seal piece. Got a replacement cap, pulled off broken one and topped up coolant and fitted new cap. Yesterday, coolant level warning came on again went to take off cap...
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