Been scratching my head for last three weeks over an issue we had with our Berlingo in France last month.
We travelled out via Caen/Ouistreham arriving early doors and then in one day's driving to a campsite outside Le Mont Dore (Auvergne) we've been going back to for decades. Autoroute pretty well all the way ending up on the A71 then the A89 from Combronde. Two adults and a caravan which I'd estimate as 1200kg laden. Engine is 1.6/115 HDi diesel, car is approaching 11 yrs and has 130k on the clock.
The A89 has French style long gradients, a little steeper than in UK, and climbs to a little over a thousand meters. The long climbs have 'crawler lanes' for vehicules lents which we use although we can usually manage to keep around 50mph.
On this occasion we seemed to 'run out puff'. I think I might not have managed the gears as well as I could and we ended up doing less than 30 with the engine turning at pretty high speed but unable to get from 2nd to 3rd. Coolant temperature - 30+ outside - getting very close to the red mark on the gauge. No red light or anything but the only time it's got much over 90 before was when I stopped the engine without giving it a few seconds to recover after a long ascent in the same part of the world but off the Autoroute network.
No obvious fault, no lack of coolant and it ran perfectly fine for the rest of the day including up the Col to the campsite. Reverse direction trip over the A89 a week later but in lower temperatures return home via a week near Tours and run back up to Calais all totally normal.
I'm wondering whether it was an effect of altitude or whether I should be looking for a fault in the cooling circuit, radiator etc.
What does the panel think.
Last edited by: Bromptonaut on Thu 8 Aug 24 at 16:29
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