I have an F150 with a Mahle valve cover gasket leaking with under 50k mi on it.
Reviews of Mahle valve cover gasket
9 votes
I replaced it with a Mahle VS50515, put a very thin layer of oil on it so it doesn't bind, cleaned all the bolts, and torqued them down to 10Nm using the bolt pattern in the earlier post. 2 weeks later, it's starting to seep all around. The gasket doesn't look like it's seated properly, with some places clearly not straight
The aftermarket Mahle gasket works just fine. The key is to torque it down EXACTLY to factory specs to prevent leaking.
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