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YOUR RESEARCHscratching head...
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Tighten bolts
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Leading evidence: 'Tighten bolts' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Tighten bolts' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
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911uk: 1 discussions
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picked up car after MOT and 5 minutes down the road car displayed "coolant low" warning... all the heaters inside set to HI
Pulled ver, and indeed below "min" in the tank.. drove home (slowly) and it wasn't even close to overheating just the warning flashing.. going to top her up later.. but how come it came up now ? no obvious leaks
second issue..
had new toyosport manifolds fitted... but the left side is clicking like a old clock!!! maybe have to tighten bolts? (car has new backboxes and new manifolds/headers, old cats)
I had exactly this a couple of weeks ago and only when the leak became a torrent did it become obvious a radiator had sprung a leak. It had been gently weeping for weeks with me topping it up now and then before it decided to let go during a drive to Brussels from Fleet.
I would wait for a while for the exhaust to settle and see if the clicking goes away by itself.
hmm.. interesting... :sad: i have new rads fitted a few months ago and did a bumper wire mesh in vents too... will keep an eye out for leaks, last time it was a drip from the front, quite obvious.. airlock might be a suspect... sounds painful to remove :/
Metal tab should be in the down or folded position , you only raise it when trying to bleed air out of the system.
Do you have a manual car or a tip ?
An airlock after a coolant drop can take upto 100 miles to clear .. i've been caught out by this before .
Manual car. I only realised the metal tab was up when I got home after 40 miles. Weirdd thing is that coolant was fine before MOT. Do MOT testers try to warm up th car faster or something ?
Which is more or less the procedure for blowing air locks out of the system with the tab in the up position. I'd top up the water, put the tab down and keep an eye on things.
I can't see the MoT people touching anything. They won't touch seatbelts when I fit a car seat, for example. It's just not the way they are meant to work.
I've had my explanation. It's unrelated to the MOT. Coolant hose was disconnected to get to the exhaust header bolt when it needed to be drilled out. All is well.
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