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Author Topic: Coolant loss  (Read 2678 times)

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ronnyd

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Coolant loss
« on: 03 May 2014, 00:36:58 »
I seem to have a slight leak, as level in expansion bottle slowly goes down, no water under car but there is coolant
spray on oil filter and on plastic under tray as well. As said it,s a very slow loss and doesn,t need much fluid to top up.
Any thoughts please. :-\
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ronnyd

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Re: Coolant loss
« Reply #1 on: 03 May 2014, 00:39:51 »
Whoops, wrong section, can a admin please move to general help please. ::)
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dbug

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Re: Coolant loss
« Reply #2 on: 03 May 2014, 01:03:35 »
Usual culprit is HBV, back of engine towards drivers side ;)
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05omegav6

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Re: Coolant loss
« Reply #3 on: 03 May 2014, 06:46:30 »
Quote from: dbug on 03 May 2014, 01:03:35
Usual culprit is HBV, back of engine towards drivers side ;)
Last time I looked under my bonnet, the hbv was on the opposite side of the block to the oil filter ::)

Wrong section or no, I would be replacing the top hose from the thermostat transfer pipe to the rad before it fails completely...
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Andy H

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Re: Coolant loss
« Reply #4 on: 03 May 2014, 08:26:50 »
Quote from: Taxi Al on 03 May 2014, 06:46:30
Quote from: dbug on 03 May 2014, 01:03:35
Usual culprit is HBV, back of engine towards drivers side ;)
Last time I looked under my bonnet, the hbv was on the opposite side of the block to the oil filter ::)

Wrong section or no, I would be replacing the top hose from the thermostat transfer pipe to the rad before it fails completely...
More likely to be the transfer pipe :-\

Either way you need to pressurise the cooling system so you can find the leak with the engine cold.

Have a read of Pressure testing the cooling system
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05omegav6

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Re: Coolant loss
« Reply #5 on: 03 May 2014, 09:52:41 »
True enough... Thorough fix would be thermostat, transfer pipe and top hose all replaced :y
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ronnyd

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Re: Coolant loss
« Reply #6 on: 06 May 2014, 20:48:16 »
Had system pressure tested today, no anomalies there, hoses checked, almost new. Leak may be coming
from oil cooler so it has been temporally bypassed. Also water pump was changed when cam belt was done
10k ago. will see how it goes. :-\
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davieboy0312

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Re: Coolant loss
« Reply #7 on: 06 May 2014, 20:50:50 »
does a 2.2 have a oil cooler like a v6?
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RobG

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Re: Coolant loss
« Reply #8 on: 06 May 2014, 20:55:53 »
Quote from: davieboy0312 on 06 May 2014, 20:50:50
does a 2.2 have a oil cooler like a v6?
Has one of sorts but nothing like the V6
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davieboy0312

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Re: Coolant loss
« Reply #9 on: 06 May 2014, 20:59:19 »
every day is a school day rob  :y
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ronnyd

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Re: Coolant loss
« Reply #10 on: 06 May 2014, 21:02:30 »
Quote from: davieboy0312 on 06 May 2014, 20:50:50
does a 2.2 have a oil cooler like a v6?
The oil filter cartridge screws into ii.
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Toledodude1973

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Re: Coolant loss
« Reply #11 on: 06 May 2014, 21:02:47 »
This is nice school though ;D
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ronnyd

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Re: Coolant loss
« Reply #12 on: 06 May 2014, 22:09:38 »
Quote from: ronnyd on 06 May 2014, 21:02:30
Quote from: davieboy0312 on 06 May 2014, 20:50:50
does a 2.2 have a oil cooler like a v6?
The oil filter cartridge screws into ii.
Sorry folks, should read <IT>. ::)
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ronnyd

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Re: Coolant loss
« Reply #13 on: 10 May 2014, 14:57:45 »
No loss so far and temp is steady on 85deg on runs and in traffic, just keeping close eye on it at moment.
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dbug

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Re: Coolant loss
« Reply #14 on: 12 May 2014, 00:37:58 »
Quote from: Taxi Al on 03 May 2014, 06:46:30
Quote from: dbug on 03 May 2014, 01:03:35
Usual culprit is HBV, back of engine towards drivers side ;)
Last time I looked under my bonnet, the hbv was on the opposite side of the block to the oil filter ::)

Wrong section or no, I would be replacing the top hose from the thermostat transfer pipe to the rad before it fails completely...

Last time I changed one it was at the back of engine towards drivers side - drivers side is the opposite side of block to oil filter, but hbv is behind the block under the scuttle, not on the side ;) ::) ::)
« Last Edit: 12 May 2014, 00:39:34 by dbug »
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