Peugeot 407 leak

2004 Peugeot 407 Problem

Ref#19511
CarPeugeot 407 1.6 hdi
Year2004
Ownerfriend
Posted09/03/2016
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hi,had turbo checked out been told ok
so why is there oil coming out of rocker box cover where the breather pipe enters the box
Problem Category
Leaks & Noises, Interior and Bodywork


Solution 1
whittingehame | Legend | Since: Oct 2009 | Posts: 444 | Fixes: 11971 | View Garage
Suggested Solution

Choked engine breather , cam box cover gasket ?


Posted on Wednesday 9th of March 2016
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Solution 2
1/4drive | Auto Insider | Since: Jun 2011 | Posts: 25 | Fixes: 1859 | View Garage
Suggested Solution

just a thought but get the injector seat seals checked.
Could possibly be combustion pressure blowing past one and pressurising the system.


Posted on Wednesday 9th of March 2016
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Solution 3
paulieone | Driver | Since: Aug 2009 | Posts: 4 | Fixes: 1650 | View Garage
Suggested Solution

if its where I think it is you need to fit a slightly oversize O ring to form a good seal.
If the wells of the rocker box are filling with oil I would imagine the oil is coming up one or more of the studs threads.


Posted on Thursday 17th of March 2016
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