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Author Topic: Coolant leak from front and back of the engine  (Read 8015 times)

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jonathanh

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Re: Coolant leak from front and back of the engine
« Reply #15 on: 13 December 2020, 20:19:50 »
Quote from: Migv6 le Frog Fan on 13 December 2020, 20:08:07
Coolant bridge bolts are hollow banjo bolts.  ;)

I remember reading somewhere on here that the bolts don’t seize in so hopefully you’ll be able to remove the broken part.  Interested in how you get on. I have leak from coolant bridge and oil cover plate so likely to be doing the same job soon
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STEMO

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Re: Coolant leak from front and back of the engine
« Reply #16 on: 13 December 2020, 20:21:32 »
Quote from: jonathanh on 13 December 2020, 20:19:50
Quote from: Migv6 le Frog Fan on 13 December 2020, 20:08:07
Coolant bridge bolts are hollow banjo bolts.  ;)

I remember reading somewhere on here that the bolts don’t seize in so hopefully you’ll be able to remove the broken part.  Interested in how you get on. I have leak from coolant bridge and oil cover plate so likely to be doing the same job soon
Bet you're looking forward to it  :)
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jonathanh

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Re: Coolant leak from front and back of the engine
« Reply #17 on: 13 December 2020, 20:25:19 »
Quote from: STEMO on 13 December 2020, 20:21:32
Quote from: jonathanh on 13 December 2020, 20:19:50
Quote from: Migv6 le Frog Fan on 13 December 2020, 20:08:07
Coolant bridge bolts are hollow banjo bolts.  ;)

I remember reading somewhere on here that the bolts don’t seize in so hopefully you’ll be able to remove the broken part.  Interested in how you get on. I have leak from coolant bridge and oil cover plate so likely to be doing the same job soon
Bet you're looking forward to it  :)

At least it’s logical. My other job is a rear engine mount on a 206: why design it with a driveshaft through it....
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Nick W

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Re: Coolant leak from front and back of the engine
« Reply #18 on: 13 December 2020, 20:39:06 »
Quote from: jonathanh on 13 December 2020, 20:25:19
Quote from: STEMO on 13 December 2020, 20:21:32
Quote from: jonathanh on 13 December 2020, 20:19:50
Quote from: Migv6 le Frog Fan on 13 December 2020, 20:08:07
Coolant bridge bolts are hollow banjo bolts.  ;)

I remember reading somewhere on here that the bolts don’t seize in so hopefully you’ll be able to remove the broken part.  Interested in how you get on. I have leak from coolant bridge and oil cover plate so likely to be doing the same job soon
Bet you're looking forward to it  :)

At least it’s logical. My other job is a rear engine mount on a 206: why design it with a driveshaft through it....


French.
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Doctor Gollum

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Re: Coolant leak from front and back of the engine
« Reply #19 on: 13 December 2020, 20:49:35 »
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Gintonic

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Re: Coolant leak from front and back of the engine
« Reply #20 on: 13 December 2020, 21:00:46 »
Well , I m continuing tomorrow.
Previous owner did not take care of the car too much, I presume that was driven on water some time and I cant get the other banjo bolt out, i dont want to brake it. Is there some trick that can Be done with it, or just brake and try to pull out with special bolt that rotates in other direction.
Also I took the 8 bolts that hold the oil cooler but was too tired to play with it.
All the bolts were tightened extremely hard, but where I live, torque wrench is only used for engine head tightening. Everything else depends on the mechanic and his hand
Im ordering tomorrow the cooler and thermostat and perhaps the bolts , if I find them.
Also will search the forum for Nm values for bolt tightening
I will keep you updated
Thank you all for valuable advices
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Doctor Gollum

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Re: Coolant leak from front and back of the engine
« Reply #21 on: 13 December 2020, 21:05:15 »
See my list...

Break it and fit new bolt to the new cooler :y

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jonathanh

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Re: Coolant leak from front and back of the engine
« Reply #22 on: 13 December 2020, 21:11:06 »
Quote from: Doctor Gollum on 13 December 2020, 21:05:15
See my list...

Break it and fit new bolt to the new cooler :y

Think it is a coolant bridge bolt that broke.

To the OP   I think there is a kit on eBay that covers the oil cooler, plate, seals and grey sealant for 135. Courtney something or other
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Doctor Gollum

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Re: Coolant leak from front and back of the engine
« Reply #23 on: 13 December 2020, 21:13:43 »
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Doctor Gollum

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Re: Coolant leak from front and back of the engine
« Reply #24 on: 13 December 2020, 21:16:53 »
Quote from: jonathanh on 13 December 2020, 21:11:06
Quote from: Doctor Gollum on 13 December 2020, 21:05:15
See my list...

Break it and fit new bolt to the new cooler :y

Think it is a coolant bridge bolt that broke.

To the OP   I think there is a kit on eBay that covers the oil cooler, plate, seals and grey sealant for 135. Courtney something or other
Possibly, the oil cooler kit i linked to has the cover plate seals, pic shows them fitted to the cooler along with the retaining nuts, the banjo bolts and washers are only available separately, but the links give all the part numbers for shopping around  ;)

I did see a VX dealer selling the cooler, cover plate, nuts and seals for £119, so please have a rummage before commititing  :y
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Gintonic

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Re: Coolant leak from front and back of the engine
« Reply #25 on: 14 December 2020, 18:41:02 »
Update
 As I said torque wrench and OEM parts it's not something that we practice over here
Here's what I found when I lifted the cover of the cooler

[https://www.dropbox.com/s/jijefloj91kv6m2/IMG20201214185044%20%281%29.jpg?dl=0]

So I'm getting a used cover plate until I get the original part  ,the cooler.
Thank you all for giving me great advices , and as always, special thanks to Dr Gollum for giving me links with all necessary parts that I need
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jonathanh

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Re: Coolant leak from front and back of the engine
« Reply #26 on: 14 December 2020, 20:01:13 »
Quote from: Gintonic on 14 December 2020, 18:41:02
Update
 As I said torque wrench and OEM parts it's not something that we practice over here
Here's what I found when I lifted the cover of the cooler

[https://www.dropbox.com/s/jijefloj91kv6m2/IMG20201214185044%20%281%29.jpg?dl=0]

So I'm getting a used cover plate until I get the original part  ,the cooler.
Thank you all for giving me great advices , and as always, special thanks to Dr Gollum for giving me links with all necessary parts that I need

wow - that has been bodged.  At least if i do mine i should expect to find an oil cooler unless it left the factory like yours...
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Gintonic

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Re: Coolant leak from front and back of the engine
« Reply #27 on: 15 December 2020, 19:51:48 »
Is there a drain plug on the block of the engine for coolant draining, or what's the best way to drain the coolant from the cooler?
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Doctor Gollum

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Re: Coolant leak from front and back of the engine
« Reply #28 on: 15 December 2020, 20:15:47 »
Pulling the bottom hose is the most efficient way of draoning it. Make sure the cabin temp is set to HI both sides before flushing and refilling.

Whilst you don't need to drain it to do what you're doing, but obviously will need to in order to flush/replace the coolant with the correct 50/50 mix rather than the rusty gunge that's probably in it.  :y
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Gintonic

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Re: Coolant leak from front and back of the engine
« Reply #29 on: 15 December 2020, 20:33:57 »
My garage is a bit like ok on uphill , so the front of the car is a bit higher than rear , if push the car out on aplain ground and pull the lower hose of the radiator, the full amount of water will leak out?

No there s only clean coolant in it, but it's weaken by a couple liters of water that I poured in so I could check where the leake is.
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