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Loss of Coolant

COF139

COF139

PCGB Member
Member
I got stuck in traffic for 60 mins this morning due to M40 lane closures, where it was very stop / start. The temperature did get a little higher than normal (edging towards 90 degrees), but then settled back down once I was on the move again.

Anyway, shortly after getting through the traffic jam, the coolant level warning light started to flash. I had managed to lose 1.5 litres of coolant, but it is not obvious where this has leaked from. The level was fine yesterday when I did the usual checks.

Could sitting in the stationary traffic for so long be a contributory factor to this issue.

Any suggestions most welcome.
 
It shouldn't do that. First off, check the coolant tank cap. If the part number ends with 00 or 01, change it for the latest type (04). While you are there, look for traces of coolant on the engine compartment under the coolant tank. The tanks often split or pin-hole round the back where you can't see it.
 
Thanks Richard.

I will check the coolan tank cap later. I did not notice any obvious signs of leakage in the engine compartment when I checked earlier.
 
Correct again Richard.

The cap was the latest one, but it turned out to be a cracked coolant tank. New one installed earlier today !

Thanks
 
Is it good practice to check the cap and replace it to an 04 part no if it is an 01 02, even if it hasnt given any problems in 5+ years.

Phil
 
I'll hold my hand up and say that I still have an 00 cap on mine! It doesn't leak, so I haven't worried about changing it. I use the old adage "If it ain't broke, don't try to fix it". If I did get a leak, it would be the first thing I'd change though.
 
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