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Author Topic: suspect head gasket?  (Read 1133 times)

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The Red Baron

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suspect head gasket?
« on: 26 July 2010, 20:09:57 »

think i may know the answer but here goes,
3.0l elite 1998.
loosing coolant, no leaks external at all.
loosing  like a header tank full in 10 miles.
no oil in water.
no water in oil.
not the matrix as no swimming pool in footwell.
runs ok.
idea`s. :-?
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Lazydocker

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Re: suspect head gasket?
« Reply #1 on: 26 July 2010, 20:32:34 »

Any Rough running on initial start up?

Could well be, but I'd be after compression test results first :y :y
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The Red Baron

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Re: suspect head gasket?
« Reply #2 on: 26 July 2010, 20:34:40 »

Quote
Any Rough running on initial start up?

Could well be, but I'd be after compression test results first :y :y
not got the car up here yet ld. ;)
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Broomies Mate

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Re: suspect head gasket?
« Reply #3 on: 26 July 2010, 20:44:51 »

A header tank in 10 minutes?  I'd be seeing loads of white smoke if it were HG, wouldn't I?

I'd say it must be a leak, perhaps burning off on the exhaust manifold, so not hitting the floor?
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The Red Baron

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Re: suspect head gasket?
« Reply #4 on: 26 July 2010, 20:53:40 »

Quote
think i may know the answer but here goes,
3.0l elite 1998.
loosing coolant, no leaks external at all.
loosing  like a header tank full in 10 miles.
no oil in water.
no water in oil.
not the matrix as no swimming pool in footwell.
runs ok.
idea`s. :-?
;)
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The Red Baron

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Re: suspect head gasket?
« Reply #5 on: 26 July 2010, 20:55:09 »

will have a look around the back of the oil cooler plate when it comes up here.
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Broomies Mate

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Re: suspect head gasket?
« Reply #6 on: 26 July 2010, 20:58:50 »

Quote
Quote
think i may know the answer but here goes,
3.0l elite 1998.
loosing coolant, no leaks external at all.
loosing  like a header tank full in 10 miles.
no oil in water.
no water in oil.
not the matrix as no swimming pool in footwell.
runs ok.
idea`s. :-?
;)

LOL.  I must learn to read properly.  ;D
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Entwood

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Re: suspect head gasket?
« Reply #7 on: 26 July 2010, 21:08:33 »

Might be worth checking the header tank cap and the neck where it screws on .. the cap safety valve can fail so it never pressurises properly , and the neck can develop small cracks that causes the same problem

If the system does not presurise it is running at very nearly boiling point.. so a great deal of evaporation takes place very quickly .. :)  a bit like simmering a pan of water .. :)
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The Red Baron

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Re: suspect head gasket?
« Reply #8 on: 26 July 2010, 21:17:35 »

Quote
Might be worth checking the header tank cap and the neck where it screws on .. the cap safety valve can fail so it never pressurises properly , and the neck can develop small cracks that causes the same problem

If the system does not presurise it is running at very nearly boiling point.. so a great deal of evaporation takes place very quickly .. :)  a bit like simmering a pan of water .. :)
good point entwood. :y
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