Being it was 41°c here, and I was crawling in peak hour the cooling system got a damn good workout. It sat solid at the first line after 100 on the gauge until we started pointing slightly uphill. Dash went nuts and it jumped up to the first red line.. sat solid there for 10-15minutes. we crested the 'rise' and I turned the heater on at the same time from the AC. Within about 3 seconds the temp dropped back to the first line and sat there. Until home (another 20 mins)
Now I'm home the bonnet was far to hot to grab with bare hands. the overflow was full but not overflowing. The overflow is also literally boiling (i get the pressure raises boiling point bit)
How normal is this for the XJ? a few months ago now ~5000k it got a new rad/clutch/t-stat/waterpump/hoses/cap. I'm guessing to improve on what is there now is the ac switch, trans cooler and what else?
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