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Author Topic: 3.2 water loss  (Read 1038 times)

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0795omega

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3.2 water loss
« on: 22 September 2011, 20:30:35 »
hi,yes have put my mv6 into local garage as using some water,when it cools down after a run its wet underneath near back of engine,but heater bypass valve looks ok? does anyone know is there anything else at the back that could leak they say there going to take off the manifold to have a closer look!
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albitz

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Re: 3.2 water loss
« Reply #1 on: 22 September 2011, 20:38:16 »
Coolant bridge,helter skelter pipe,oil cooler plate, core plug..... :y
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RobG

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Re: 3.2 water loss
« Reply #2 on: 22 September 2011, 21:38:05 »
Quote
hi,yes have put my mv6 into local garage as using some water,when it cools down after a run its wet underneath near back of engine,but heater bypass valve looks ok? does anyone know is there anything else at the back that could leak they say there going to take off the manifold to have a closer look!
Doesn`t mean it is ;)
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bored bigyin54

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Re: 3.2 water loss
« Reply #3 on: 22 September 2011, 21:40:26 »
when things look ok dont mean they are i found that out to my cost
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sandune

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Re: 3.2 water loss
« Reply #4 on: 22 September 2011, 21:41:10 »
Have a look at the coolant hose that connects the  HBV to the coolant bridge.This hose can become frayed over  time and is easily missed. Cost under £8.00 from vx :y
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0795omega

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Re: 3.2 water loss
« Reply #5 on: 22 September 2011, 21:42:27 »
thanks for replys folks,bit clearer now,so long as not head,it runs far too well for that no mixing eighther
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Darth Loo-knee

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Re: 3.2 water loss
« Reply #6 on: 22 September 2011, 22:17:22 »
The head gaskets especially on a 2.6 or 3.2 very rarely have an issue, as its a different gasket intirely that the earlier one  ;)
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0795omega

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Re: 3.2 water loss
« Reply #7 on: 22 September 2011, 23:16:33 »
thats really reasuring to know cheers.
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Osprey

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Re: 3.2 water loss
« Reply #8 on: 22 September 2011, 23:31:56 »
When my HBV was at the dribble or damp patch stage, before it let go completely, it would only leak when it switched state.  So I could only catch it in the act of leaking as the heater matrix switched in or out.  Of course you can test this by setting the cabin temp to Lo for a minute or two, then Hi for a while, than back again.

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Re: 3.2 water loss
« Reply #9 on: 23 September 2011, 02:02:09 »
opening the bonnet and facing the engine where is the HBV located? to the right or left, sorry for the hijack  :y
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05omegav6

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Re: 3.2 water loss
« Reply #10 on: 28 September 2011, 20:16:13 »
It lives at the back of the engine just behind and centre of the 135 head. Plenum off, looks like a mini starship enterprise. 3 coolant pipes to it and 1 vacuum pipe on top. Whole thing clips to a bracket at the back of a block.

HTH, Al. :y
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