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Registered
2016-2018 Range Rover MkIV / L405
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321 Posts
Discussion Starter #1
It appears I have a noticeable, yet small, oil leak on the passenger side of my engine. From what I determined while doing service it seems to be from the general area of the valve cover. It's significant enough that it's reached my plastic skid pans under the rig and is causing my belts to squeak.

Anyone know common culprits for this engine? I've searched the forum pretty well but haven't found this on my engine. It's late though, and I'm a year older in about 33 minutes :cool:

I'd hate to rip the valve cover off just to find there's a hose nearby that always fails.
 

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Registered
2002-2005 Range Rover MkIII / L322
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150 Posts
pretty sure the valve covers are a weak spot on our boat anchors.....:roll:

D2

It appears I have a noticeable, yet small, oil leak on the passenger side of my engine. From what I determined while doing service it seems to be from the general area of the valve cover. It's significant enough that it's reached my plastic skid pans under the rig and is causing my belts to squeak.

Anyone know common culprits for this engine? I've searched the forum pretty well but haven't found this on my engine. It's late though, and I'm a year older in about 33 minutes :cool:

I'd hate to rip the valve cover off just to find there's a hose nearby that always fails.
 

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Premium Member
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2,467 Posts
On the AJV8, I've seen several valve cover issues, but not nearly as much of an issue as the M62 had.

I would clean it up, and change out the PCV valve to make sure you're not building up any pressure in the crankcase, and monitor it. The only other common thing is from the bedplate, which is a major repair, engine needs to be removed to reseal it.

Not relevant to you, but on the M62, I strongly recommend changing the upper timing cover gaskets at the same time as the valve cover gaskets.
 

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FOUNDING MEMBER
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938 Posts
I had the same problem but mine was leaking by the valve cover on both sides and the upper timing chain cover also on both sides!! Had to replace all of those seals. No more leaks!!!
 

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Registered
2016-2018 Range Rover MkIV / L405
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321 Posts
Discussion Starter #5
Thanks guys...Dave, thanks, I'll proceed as you suggest and go from there!
 
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