markbarry1977 Posted February 24, 2016 Share Posted February 24, 2016 Hi guys, just after some info, This morning i went out to check the oil, water and screen wash...You know the usual things tire pressures as well. Well my coolant level was down 200ml, i basically pre mixed some up in a measuring jug and then poured fluid in until it was on the max (200 ml). Now i can't see any leaks anywhere, and i didn't get a coolant level warning, its just part of my weekly checks. One thing of note is its bloody cold here at the moment but i can't see that making 200ml of fluid difference. My initial thought was Oh s**t here goes one of the head gaskets but there is no bubbling of the coolant when the engine is running which normally means exhaust gasses are getting into the coolant. Im at a bit of a loss, other than a small coolant only under pressure leak thats evaporating in a hot engine bay. Anybody any clues? Link to comment Share on other sites More sharing options...
markbarry1977 Posted February 24, 2016 Author Share Posted February 24, 2016 Also there is not milky oil mix on the oil filler cap! Link to comment Share on other sites More sharing options...
Founder Beanoir™ Posted February 24, 2016 Founder Share Posted February 24, 2016 Have you checked the radiators at the front of the car Mark? They're a common issue on these cars, thats why giving them a clear out regularly helps to prevent corrosion and also means you can inspect them regularly. 1 Link to comment Share on other sites More sharing options...
DJMC Posted February 24, 2016 Share Posted February 24, 2016 I'd take it for a run to full temperature then park in the garage and check for coolant loss and puddles tomorrow. 1 Link to comment Share on other sites More sharing options...
Uncle Dave Posted February 24, 2016 Share Posted February 24, 2016 Yep, and if the leaks are where the front of the car was parked then you have a very quick answer, not so quick if under the middle of the car. Link to comment Share on other sites More sharing options...
987Monkey Posted February 25, 2016 Share Posted February 25, 2016 Check the coolant hoses in the left wheel arch, the connectors are made of mild steel and are known to corrode in that particular area, they are a push fit. Link to comment Share on other sites More sharing options...
markbarry1977 Posted February 25, 2016 Author Share Posted February 25, 2016 Okay, try to answer your questions, 1) The radiators are less than two years old. I have receipts where the previous owner changed both radiators and the two a/c condensers. 2) my car lives outside but I took her for a spirited drive this morning, checked for leaks while she was hot and idling but I can't see any. The coolant level is still at full....I'm thinking pin prick hole in a hose perhaps. This could be a pita to fault find. Going to monitor the level as it doesn't seem to be going down now. Of course the other option is that there was a small 200ml air lock somewhere that's vented out. 987monkeys, sorry to be a pain but which wheel arch am I looking in, I assume your talking of taking the wheel arch linings out. Link to comment Share on other sites More sharing options...
markbarry1977 Posted February 25, 2016 Author Share Posted February 25, 2016 (edited) That was my next plan. Might try and find a local garage that can do it for me tomorrow. It's due a major next month and spark plugs so I thought about getting a compression test done at the same time as they already have the plugs out.. Edited February 25, 2016 by markbarry1977 Auto correct got the better of me (again) Link to comment Share on other sites More sharing options...
Trickle Posted February 26, 2016 Share Posted February 26, 2016 Some good advice here, let us know how you get on Mark. The water pipes I think Monkey is referring to are accessible from the passenger side front wheel arch, you don't need to remove any wheel arch liners that i'm aware of to see sight of them although you may need to crawl under the font of the car - they will be visible also along the steering rods. Should have been inspected really when the rads were done, although not everybody would. Link to comment Share on other sites More sharing options...
markbarry1977 Posted February 27, 2016 Author Share Posted February 27, 2016 Even, just checking the car over this morning prior to setting of for the CaymanOC meet. I've done 400 miles since topping up the coolant and it's still on max. Had a look at the hoses under the radiators (using a mirror) and I can't see any leaks, even when she's up to temp and being held at a constant rpm. Maybe it was an airlock after all. I will keep monitoring. 1 Link to comment Share on other sites More sharing options...
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