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Author Topic: Coolant leak from front and back of the engine  (Read 7873 times)

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Doctor Gollum

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Re: Coolant leak from front and back of the engine
« Reply #45 on: 17 December 2020, 20:13:50 »

All in the parts I linked ::)
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Nick W

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Re: Coolant leak from front and back of the engine
« Reply #46 on: 17 December 2020, 20:24:29 »



Every mechanic should have an INSPECTION MIRROR and a torch for such eventualities. You can get expensive ones, but they're no better in use.

A quid more for one with LED lighting is not going to break the bank though  :P

£5 clicky

though you could probably get it cheaper


I've got one, and find the extra weight and size of the head isn't helpful for the rather weak joints. Or for getting it into the places you want to look at. Small round mirrors are the tool of choice :y
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Jan Suhr

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Re: Coolant leak from front and back of the engine
« Reply #47 on: 18 December 2020, 08:37:59 »

Late post but here are all the part numbers and a schematic
https://vauxhall.7zap.com/en/car/v94/e/5/29-0/
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Gintonic

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Re: Coolant leak from front and back of the engine
« Reply #48 on: 19 December 2020, 19:00:38 »

Managed to take the banjo bolts out, using a co2 welder. Now I m gonna seal everything up , get everything to it's place drive like that because I need a car for winter, after I gather all the needed parts, I replace them.
PS only available thermostat at the moment is one from Vernet 35 eu , or BorgWarner 15 eu.
https://www.dropbox.com/s/2ogk46u9q410xst/IMG20201219180236.jpg?dl=0
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Doctor Gollum

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Re: Coolant leak from front and back of the engine
« Reply #49 on: 19 December 2020, 19:13:06 »

Did you look at my list ???
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Gintonic

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Re: Coolant leak from front and back of the engine
« Reply #50 on: 19 December 2020, 19:17:11 »

I noticed one thing. My cooler plate and coolant bridge are , don't know the right word , I ll just say rotten or on some places where there s some blue crystal like stuff from the coolant. In 2 years of ownership I take special care of the engine , good oil and good coolant, always checkin
g the level of both , watching the gauges while driving etc.
On the other hand I bought second hand cooler plate and bridge from a very neglected engine that was left on the open and obviously  driven with water. But the state of the plate and the bridg was much much better then mine. Do you think that G11 coolant has something to do with it , my parts are like rotten with holes in it.
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Doctor Gollum

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Re: Coolant leak from front and back of the engine
« Reply #51 on: 19 December 2020, 19:20:25 »

Coolant should be a pinky orange colour, not blue, so no that may not help.

Also, you have absolutely no idea how old that plate is.

Given the work involved, fitting second hand coolant parts is insane.
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Gintonic

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Re: Coolant leak from front and back of the engine
« Reply #52 on: 19 December 2020, 19:22:19 »

Yes , dr Gollum I looked at your parts list , saved it in my phone.
But where I live it's almost impossible to get those parts in quick time.
It's a long story why , and it's connected to the fact that I live in non EU country
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Doctor Gollum

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Re: Coolant leak from front and back of the engine
« Reply #53 on: 19 December 2020, 19:24:17 »

Yes , dr Gollum I looked at your parts list , saved it in my phone.
But where I live it's almost impossible to get those parts in quick time.
It's a long story why , and it's connected to the fact that I live in non EU country
So do we...
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Gintonic

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Re: Coolant leak from front and back of the engine
« Reply #54 on: 19 December 2020, 19:25:33 »

Dr Gollum , I have no other choice but to make that car functional in a short time, it's my only driving car. I have one Opel from 1965 but that one drives 225 50 15 summer tires and its not suitable for driving in winter :)
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Doctor Gollum

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Re: Coolant leak from front and back of the engine
« Reply #55 on: 19 December 2020, 19:30:58 »

I sympathise with that, and may have otherwise suggested some jb weld or similar to patch the hole pending parts.

But, it is what it is, and you've probably three weeks before you are likely to be able to get anything.  :-\
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Gintonic

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Re: Coolant leak from front and back of the engine
« Reply #56 on: 19 December 2020, 19:35:23 »

Tree weeks in normal times. With current situation and closed borders , might take more.
I will get all the parts eventually and I will make the engine as it should be.
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Re: Coolant leak from front and back of the engine
« Reply #57 on: 30 December 2020, 21:18:23 »

Hello, sorry I didn't write update for a long time
Car is fine now , driving for a few days , no leaks , heating  working a bit better.
Unfortunately I couldn't find oil cooler so I had to reuse that spartater pipe invention.
Somehow I found original GM thermostat, for about 30 eu it is very very cheap , since no name one was about 60 eu.
New gasket for the cooler plate was made. New washers and new o ring seals changed.
New coolant and it's running driving again.
After this winter I m changing the oil cooler with original and all that work again
I would like to change valve cover gaskets and maybe change covers with the ones from vectra v6 , you think that is smart to do?
Thank you all for so good advice and links to parts
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Doctor Gollum

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Re: Coolant leak from front and back of the engine
« Reply #58 on: 30 December 2020, 21:23:22 »

You can get a new oil cooler, you just didn't want to...  ::)

But if it works...  ;) Result on the thermostat though  :y

The Vectra covers are ok, but you make the oil cap inaccessible, and unless you clean the breathers between short oil changes, you will gain zero benefit.

Make sure the plastic ones aren't warped and fit new seals as per the guide.
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BazaJT

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Re: Coolant leak from front and back of the engine
« Reply #59 on: 30 December 2020, 22:25:51 »

Surely the oil cooler plate doesn't have a gasket and uses grey sealant? Or were earlier engines different in this regard?
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