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        General >> Problems >> Re: rad top hose ballooning
        
(Message started by: Mick Saunders on Sep 11^th, 2004, 1:06pm)

Title: Re: rad top hose ballooning
Post by Mick Saunders on Sep 11^th, 2004, 1:06pm

:) Hi Mistermen,
If you know a friendly MOT garage, ask them to use their gas sniffer (the one they use to check emissions) If they open the expansion tank cap (When cold of course) they can put the probe over the top of the filler hole. If you have a blown Head gasket it will sense the exhaust fumes in the steam. Also extreem bubbling of the contents Of the expansion tank would suggest the same.
Mick

Title: Re: rad top hose ballooning
Post by Badboytunes on Sep 12^th, 2004, 10:00pm

Also the thermostat could be stuck shut as well.

Title: Re: rad top hose ballooning
Post by Badboytunes on Sep 13^th, 2004, 7:52am

Did you replace the thermostat b4 the problem occured?

Title: Re: rad top hose ballooning
Post by Snoopy on Sep 13^th, 2004, 8:30am

You could also have some air left in the system... did you do a full bleed of the system, but it does on first reading your post sound a little more serious.. New thermostats have been known to be faulty....and I presume that you changed the thermostat because of the problem......... Suspect head gasket blowing...but do as the previous posters advise check it for gas....

Title: Re: rad top hose ballooning
Post by Nodge on Sep 13^th, 2004, 9:30am

Shouldn't the relief valve in the filler cap come into play before you actually started to inflate a rad hose? I'd suggest a new cap and probably a new hose as well. Still check for a blown head gasket though to find what's casuing the excess pressure.

Title: Re: rad top hose ballooning
Post by mistermen on Sep 13^th, 2004, 1:45pm

ok rite this is wot i done to try and solve this problem
i change the head gaskets, and thermostat new presure cap, temp sensors i check the fans ,working fine no water lost, and yet the temp gauge just sits above the half way mark ,mind u the temp gauge does creep to the half way mark after 5 mins is that normal i dont no, to be honest iam lost i just cant work this one out.

Title: Re: rad top hose ballooning
Post by Eddie on Sep 13^th, 2004, 9:51pm

Temp.gauge about 1/2 way sounds right.
Sounds a bit obvious but have you tried replacing top hose??

eddie

Title: Re: rad top hose ballooning
Post by Badboytunes on Sep 16^th, 2004, 10:05pm

Also another thing,,,, did you have the heads skimmed? Sometimes with cast heads ans more so with alloy they may warp a little creating a blown head gasket again. I got caught out once so i always have my heads skimmed as a matter of course.

Cheers Nick

Title: Re: rad top hose ballooning
Post by john.n on Sep 17^th, 2004, 7:50am

Try running it without the stat in, at least you can the eliminate that. john.n ;)