#1: coolant all over engine cover Author: Harty, Location: West LothianPosted: Mon Jan 24, 2011 2:00 pm ---- hey dunno if i'm just worrying but got my car home today and was checking something in the engine and there was a white dried up dusty residue all over the engine cover and some down the back of the block but checked my coolant level and before it was brimming but now i cant see any, has the tank split or has the head gasket likely blown? the car wasn't overheating, i still had hot air in the heater and the oil looked okay only other thing was i kept the car running and took the oil cap off and was getting hot air blowing out of the hole where the oil goes, is this normal? 2.0 hdi dturbo btw
any help appreciated:)
Thanks
Chris
#2: Re: coolant all over engine cover Author: dan_206, Location: Bury St EdmundsPosted: Mon Jan 24, 2011 2:06 pm ---- Full to the cap or maximum level line?
#3: Re: coolant all over engine cover Author: Harty, Location: West LothianPosted: Mon Jan 24, 2011 2:08 pm ---- it was filled to the cap by the garage about a month and a half ago but stayed like that until i just checked it
#4: Re: coolant all over engine cover Author: dan_206, Location: Bury St EdmundsPosted: Mon Jan 24, 2011 2:15 pm ---- Should only go to the max line. It's an expansion bottle really and when the coolant gets hot/flushed through the system it expands and if there is no room in the bottle the build up of pressure has no where to go. May have blown a seal or something. Best bet is to make sure the the engine bay is dry, and top up coolant, check for leaks anywhere.
Worst case head could have warped or cracked
#5: Re: coolant all over engine cover Author: Seabook, Posted: Mon Jan 24, 2011 2:19 pm ---- did your coolant cap tight?
#6: Re: coolant all over engine cover Author: JJ0063, Location: NorfolkPosted: Mon Jan 24, 2011 2:21 pm ---- My top hose coming out of the bottle wasnt sealing properly on mine when i first got my 206. replaced the jubilee clip & cut a couple of inches off the pipe = job done
#7: Re: coolant all over engine cover Author: MrBSI, Location: What's it to you? ? ?Posted: Mon Jan 24, 2011 2:43 pm ---- Check the engine cover isn't loose or has rubbed through any of the small coolant hoses
#8: Re: coolant all over engine cover Author: -Tom-, Location: Preston / BirminghamPosted: Mon Jan 24, 2011 2:58 pm ---- Doesn't a coolant cap have a pressure release valve ? - so that if there is too much of a pressure build up it can release as an overflow and would cause this? I'm sure I came across that somewhere, correct me if I'm wrong
#9: Re: coolant all over engine cover Author: MrBSI, Location: What's it to you? ? ?Posted: Mon Jan 24, 2011 3:31 pm ----
-Tom- wrote:
Doesn't a coolant cap have a pressure release valve ?
Yes, they do
#10: Re: coolant all over engine cover Author: stevedude, Location: aldershotPosted: Mon Jan 24, 2011 3:47 pm ---- doesnt it have a pipe near the top of tank so exsess can run off, 306 does, ive not paid to much attention under bonnet yet
#11: Re: coolant all over engine cover Author: -Tom-, Location: Preston / BirminghamPosted: Mon Jan 24, 2011 3:52 pm ---- I haven't noticed one no - but I had crystalised coolant which had escaped through the expansion cap when my car must have been running nice and hot (not over heating!!). This too was after the garage over filled mine. I wouldn't worry.
And you will get some air movement out of the oil cap if you open it when running due to the head internals moving.
#12: Re: coolant all over engine cover Author: stevedude, Location: aldershotPosted: Mon Jan 24, 2011 3:59 pm ---- try a new cap, the one ya got now might be faulty
surly it wouldnt squirt all over the place if it was working normally, it would seep out
#13: Re: coolant all over engine cover Author: -Tom-, Location: Preston / BirminghamPosted: Mon Jan 24, 2011 4:03 pm ----
stevedude wrote:
try a new cap, the one ya got now might be faulty
surly it wouldnt squirt all over the place if it was working normally, it would seep out
He might do - but if the 2.0 HDI is anything like the 2.0 petrol the expansion tank angles in the direction of the rocker cover so could easily seep over it without being a squirter. Who knows
#14: Re: coolant all over engine cover Author: stevedude, Location: aldershotPosted: Mon Jan 24, 2011 4:08 pm ---- good point lol
#15: Re: coolant all over engine cover Author: ExoVyper, Location: Waiting for the tugboats to push me into port (Whitehaven)Posted: Mon Jan 24, 2011 5:01 pm ---- it's your head gasket pal
had this on another derv 206
whats happening is the pressure from in the cylinders is leaking out into the water jacket o nthe car and pressurising the bottle causing it to leak.
#16: Re: coolant all over engine cover Author: Harty, Location: West LothianPosted: Mon Jan 24, 2011 5:56 pm ---- hi all just topped up coolant snd it hadn't actually lost much as i thought, about 500ml if lucky and i'm not sure about the head gasket, took it a nice long hard drive and there was no overheating, loss of power, and ran like when i first got it... will see over the coming days if it happens again and if so will get it pressure tested or something
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