recon head gasket had gone as overheated and was chuffing like a chain out of water expansoin bottle

had possible head gasket failure tried that steel seal put water in expansion bottle seems fine but the air bubbles apear and bottle starts to overfow temp stays cold but if i put cap on soon creeps up to hot

rad put a new one on think hole systems needs doing

2.5 desel

is there a special way to bleed the system im putting water in after 10 mins the water is coming back over expansion bottle any advice please