Latest update on this and it aint looking good
First 100 miles on the way up with no troubles, then it was back with a vengeance!
Same thing as always, the only visible symptom is the erratic temp gauge, but this time i've got a boost gauge on too for chance it's overboosting. The boost gauge drops as the temp gauge goes up , and with a new MAP sensor on i'm happy that the ECU is getting the same signals I am. On a happy note this means I can stick my clock back in cos i'm missing it
Anyway, the temp did seem to act a but different on this trip, it did seem to allow itself to get above the normal 'problem temp' when under load without cutting out (new thermostat fitted last week) so again i'm happy that all is well there. I was thinking it may be overheating so will be giving everything a good flush out to make sure i'm getting good airflow.
So whilst away, i've played about and looked around for the same old things, pressurised hoses, chaffed wires (new 13 pin tow socket fitted last month so that's out of the question too andlover) Nothing unusual at all.
The journey home today however was different. We for about 5 miles where it was playing up by the minute, and I was pulling my hair out! Mrs Nut even got a short video of the gauge jumping
During annoying bit of the trip another annoying little thing was happening.. The N/S rear mudflap has taket to curling up on to the tyre because it's split and making a fooking annoying noise! Anyway I lost the plot, pulled into the services and whipped it off with me knife Whilst stopped I popped the bonnet and squeezed the top Rad hose and it's fooking solid! Stops engine, it's a bit softer but still pressurised Cap off, pressure down, set off and 5 miles of no trouble..
So the big question is, how pressurised should the coolant system be at tickover versus at revs???
Going back to Ratty's comment about the stat opening at 1500 rpm, would this make a difference? I'm begging to think this is terminal HGF but not convinced due to the lack of mixed fluids.
Apologies for the long winded post, had ****e internet for a week and my fingers won't stop
or a cracked head
or a cracked head
Hhhmmm also possible and more expensive too..
It's the 15J engine which I thought where the better ones regarding heads
have you got hold of a nanocom or hawkeye yet?
The offer still stands on mine if you want to borrow it. In instrument mode it'll show boost pressure, coolant temp, engine revs and battery voltage. The problem with the temp gauge on your dash is that it won't move at all between 82 and 95 degs (what the engine considers to be normal operating temp). If your temp gauge is starting to rise above normal there is a good chance that your temp is getting near the 100 deg mark.
I've not got one yet but me and Roy are gonna share at a nanocom Evo I think. It can only be useful and we can add it to the LZ Rescue list too (I need to give you my number too whilst I remember)
I may take you up on the offer though if I don't get one ordered in the next few weeks. A new Cylinder head may well hinder my funds
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