rogerball0
UK Spec 2002 LWB 311 CDI
Before my theromstat stuck open its running temperature was around 90 degrees C all day every day. I spent today fitting a new thermostat and a couple of other things including a new aux water pump for the D5 Hydronic so i drained the system down completely. After i'd finished the work i filled the coolant circuit up with Comma G48 ready mixed coolant thats approved by Merc to their 326.0 standard.
First impressions, the cab was now toasty warm after five minutes driving which it wasn't with the broken thermostat but rather worryingly the temperature rose to 110 degrees C when under load. I've never seen temperatures like that all the time i've owned the van (14 years).
Should i be concerned? There are no leaks anywhere in the engine bay the part although not OEM is identical to the one removed, the old coolant looked in good nic - no debris so i'm wondering if it'll settle down after a while or whether theres another problem.
Any help greatly appreicated.
Roger
First impressions, the cab was now toasty warm after five minutes driving which it wasn't with the broken thermostat but rather worryingly the temperature rose to 110 degrees C when under load. I've never seen temperatures like that all the time i've owned the van (14 years).
Should i be concerned? There are no leaks anywhere in the engine bay the part although not OEM is identical to the one removed, the old coolant looked in good nic - no debris so i'm wondering if it'll settle down after a while or whether theres another problem.
Any help greatly appreicated.
Roger
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