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Smoking after ticking over for a while

toms dun
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14 Jun 2012 23:16 - 14 Jun 2012 23:20 #42390 by toms dun

Replied by toms dun on topic Re: Smoking after ticking over for a while

Cheers Steve
but don't have the equip.think there is a chemical test you can do on rad water to see if any combustion gases in it local garage did test on my mini a couple of years ago or may be
more like 20

thanks again Tom

Last edit: 14 Jun 2012 23:20 by toms dun.

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facade
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15 Jun 2012 05:15 #42394 by facade

Replied by facade on topic Re: Smoking after ticking over for a while

Easiest test is to go outside first thing in the morning and undo the radiator cap. (Not the expansion bottle)
If you hear a hiss, the head gasket is leaking.

If the smoke is more blue, as in oil burning, it will be valve oil seals, or something blocked in the breather system.

If it suddenly breaks, go back to the last thing that you did before it broke and start looking there

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Smoggy
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15 Jun 2012 08:14 #42395 by Smoggy

Replied by Smoggy on topic Re: Smoking after ticking over for a while

Hey Facade if you ever leave big jimny forum, I want your phone number first. Oh and Im willing to pay the gratuitory 60p per minute charge of course.

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247sniper
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15 Jun 2012 08:38 #42397 by 247sniper

Replied by 247sniper on topic Re: Smoking after ticking over for a while

toms dun wrote: Cheers Steve
but don't have the equip.think there is a chemical test you can do on rad water to see if any combustion gases in it local garage did test on my mini a couple of years ago or may be
more like 20

thanks again Tom

Tom,

Yes there is test equiptment to test like you have said, but from my many years experience in the motor trade it is not always accurate. If it indacates that the coolant system had combustion gases in then great, but if it say it has not, then its abit :blink: i have had cylinder head gaskets leaking before and the this described method has failed to picl it up.

Cylinder leakge test is the only way to be 100% sure.

Steve.

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247sniper
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15 Jun 2012 08:44 - 15 Jun 2012 08:46 #42399 by 247sniper

Replied by 247sniper on topic Re: Smoking after ticking over for a while

facade wrote: Easiest test is to go outside first thing in the morning and undo the radiator cap. (Not the expansion bottle)
If you hear a hiss, the head gasket is leaking.

WHAT !? Its not uncomon for the cooling system to maintain some pressure over night, and thus will hiss when you undo the radiator cap. This is probally the most crazy method of cylinder head diagnoses i have ever heared.

Last edit: 15 Jun 2012 08:46 by 247sniper.

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Dave c
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15 Jun 2012 11:23 #42409 by Dave c

Replied by Dave c on topic Re: Smoking after ticking over for a while

Chemical block test allways proved good for me hissing radiators in the morning hmmmmmmmmmmmm new one on me.

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Smoking after ticking over for a while

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