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Airlock in cooling system of vauxhall combo


 
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The-brickie

from United Kingdom

Joined: 28 Feb 2007
Posts: 396
Location: Essex,
United Kingdom
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PostPosted: Sat Sep 22, 2007 12:38 pm Reply with quote

Its getting me down, cant get it out, anyone know how to bleed the system, its the Isuzu 1700 diesel engine.
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ch427

from United Kingdom

Joined: 16 Jan 2006
Posts: 2419
Location: Cardiff,
United Kingdom
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PostPosted: Sun Sep 23, 2007 4:41 pm Reply with quote

have you taken it out for a short drive,this sometimes helps,just keep your eye on the gauge
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andyandy2

from United Kingdom

Joined: 07 Dec 2006
Posts: 334
Location: Cheshire,
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PostPosted: Mon Sep 24, 2007 6:54 pm Reply with quote

What is actually happening, why do you think its airlocked, have you done any work on the cooling system
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libby lou lou

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Location: Lancashire,
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PostPosted: Mon Sep 24, 2007 10:15 pm Reply with quote

A stab in the dark, are there any bleeding orfices at the highest point on the cooling system ?
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Watchmaker

from United Kingdom

Joined: 29 May 2006
Posts: 225
Location: Leicestershire,
United Kingdom

PostPosted: Tue Sep 25, 2007 7:12 am Reply with quote

I am not familiar with your vehicle or it's engine but, with my Toyota Masterace I find that to successfully exclude any trapped air pockets, I refill the cooling system very very slowly, stopping occasionally to squeeze the bottom hose and some of the ancillary hoses and this seems to do the trick. Also, after a very short run, after the fill and before the engine gets too hot, with the filler cap off, a squeeze on the hoses gets out any remaining air. It seems to me that modern engines, with their coolant systems feeding heaters, oil coolers and, in my case, the turbo, have too many locations where air gets trapped if the filling is done too quickly.
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