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[vauxsull]

Are there any images showing the location of all the coolant hoses and pipes that live around the back of the V6? Ya know all the stuff that's likely to leak...

[omega3000]

 Any good 

[vauxsull]

Errrr i don't know... Wasn't banking on there being all those gubbins behind there...

[cem_devecioglu]

Any good 

    here is your spagetti..

[cem_devecioglu]

and here are some others

[cem_devecioglu]

and this one esp the thermostat and oil cooler area under the v

[vauxsull]

Now then that is a clean engine indeed.... Impressed.... I was interested as to what can leak behind there other than what has already been renewed or re sealed that the coolant would exit just beyond the the oil filter housing.... A lot more going on behind there than i expected.....

[omega3000]

Now then that is a clean engine indeed.... Impressed.... I was interested as to what can leak behind there other than what has already been renewed or re sealed that the coolant would exit just beyond the the oil filter housing.... A lot more going on behind there than i expected.....

Thats what i thought and many others  But its all about having a feel for the pipes and tracing the coolant pipes feeling for leaks . Other than that take the plenum and inlets off and you will see any coolant leak , best to pressure test 

[cem_devecioglu]

many recent coolants have dye in them.. if not you can add.. and if you can check with blacklight (in dark) you can spot leaks easily..


and one more . coolant reservoir cap can also leak but not easy to see , instead you can hear when engine is hot..

[vauxsull]

I know where the leak exits but not where it started that's the problem... The header tank cap isn't it though.

[vauxsull]

Elite Pete has done alot of work behind there changing and re sealing this and that and it still uses more coolant than fuel .... Well not quite but you know what i meen..

[omega3000]

Coolant bridge seals are favourite for leaks or if its using that much check the hbv

[vauxsull]

Taken off.. Re sealed and fitted... Along with... Water pump, HBV , thermostat and drain tube, oil cooler and plate ( all using GM parts) header tank and one hose from coolant bridge to HBV

[omega3000]

Taken off.. Re sealed and fitted... Along with... Water pump, HBV , thermostat and drain tube, oil cooler and plate ( all using GM parts) header tank and one hose from coolant bridge to HBV

 

I was informed to replace with new bridge seals . Best to pressure test it for best idea without replacing willy nilly 

[vauxsull]

It has new seals fitted... All from Vauxhall...