Range Rover Sport TDV8 2008 Rocker cover

Hi all.

Got my car back from the garage and they suspect the rocker cover has a small crack in it on the drivers side causing my car to go into limp mode when excellerating. The garage has quoted over £500 for the part. Can anybody give me the part number for this and recommend a cheaper alternative?

Thanks

Jaime

I think you will only get a genuine one and they are a big job to fit.

Is anybody else wondering how a crack in the rocker cover can cause this?

boguing said:

Is anybody else wondering how a crack in the rocker cover can cause this?

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Affecting crankcase pressure.
OP, if the rocker cover is metal or plastic, it can be welded.

The rocker cover is also the inlet manifold, it is made in two parts and glued together. when they fail it is usually the glued seam that has failed which results in a boost leak.

owl said:

The rocker cover is also the inlet manifold, it is made in two parts and glued together. when they fail it is usually the glued seam that has failed which results in a boost leak.

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Ain't modern design wonderful

Thanks for reminding me not to buy a car with one of those engines

v8landyman said:

Thanks for reminding me not to buy a car with one of those engines

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The V6 is the same, infact we change more V6 rocker covers than TDV8's.

owl said:

The V6 is the same, infact we change more V6 rocker covers than TDV8's.

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My 2010 Range Rover Sport TDV8 (still under Approved Used Land Rover Warranty) is with my LR local dealer after going into limp home mode at the weekend. They have indicated a cracked rocker cover and I'm awaiting them confirming they will complete the work under warranty. Car has only done 90k and has a full dealer service history, is this a known fault? Anyone know what causes it? I believe this engine is a Ford engine correct?

Datatek said:

Ain't modern design wonderful

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Ain't they just. Seems like gone are the days of a fan in the front, gearbox at the back, inlet manifold on one side and the exhaust manifold on the other (applies to cross-flow engines) and the rocker cover on the top.

A few years ago, Mercedes designed a range of industrial engines like these, when the rocker gasket failed, they blew up, we changed several engines as did the rest of their end users.