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Author Topic: Expansion tank cap pressure  (Read 4952 times)

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Offline HFStuart

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Expansion tank cap pressure
« on: March 22, 2011, 08:59:56 AM »
Does anyone know the correct pressure rating for the expansion tank cap? I've got conflicting information from internet and Mr Haynes...

Thanks,
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Offline MattNoVAT

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Re: Expansion tank cap pressure
« Reply #1 on: March 28, 2011, 07:57:31 AM »
7 psi seems to stick in my mind.
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1981 2000 Coupe S2/FL
1976 1600 Coupe S1
2007 Ypsilon 1.3 Bi-Colori

rossocorsa

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Re: Expansion tank cap pressure
« Reply #2 on: March 28, 2011, 10:47:04 PM »
couldn't find it in the official manual found this

kuhlerverschluss-uberdruckventil offnungsdruck 0.78 bar
prufdruck zur kuhlerdichtheit                          1.00 bar

in verlag workshop manual but I don't understand German so I'm not sure if it's the right info

just a comment and a personal opinion but on the whole I wouldn't rely too much on haynes better to get hold of a pucka Lancia issued workshop manual plus the latest update of the technical databook that you can find (and the later style short manual if you have an injection car)
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Offline HFStuart

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Re: Expansion tank cap pressure
« Reply #3 on: March 29, 2011, 09:26:16 AM »
Great - I couldn't find that in my UK manual.

Loosly translated - Cap opening pressure 0.78bar, cooling system test pressure 1.00 bar

Thanks,
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