Peugeot 406 Oil cap blowing off

2002 Peugeot 406 Problem

The oil cap keeps blowing off and and dip-stick rises up by about 2"... someone told me it was a problem with the crank-shaft breather pipe but I'm not sure where that is. My mechanic doesn't know either(!) Any suggestions? We've lost 3 oil caps so far!
CarPeugeot 406 HDi
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Problem Category
Engine, Cooling System & Drivetrain

Leaks & Noises, Interior and Bodywork

Solution 1
whittingehame | Legend | Since: Oct 2009 | Posts: 444 | Fixes: 10214 | View Garage
Suggested Solution

Check this re. clips ,

Posted on Wednesday 11th of May 2011
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Solution 2
sammie miller | Driver | Since: Mar 2012 | Posts: 0 | Fixes: 3 | View Garage
Suggested Solution

u have a vacum pipe blocked somewhere proberly full of dirt thats why the oil cap is blowing building up pressure

Posted on Monday 12th of March 2012
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