Join Date: Apr 2012
Location: United Kingdom
Vehicle: SLK 55 AMG
Other Toys: Range Rover Sport,Nissan X trail.
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I would encourage anyone to have a go at a leaking cam cover gasket as no special tools are needed & it was much easier than i had anticipated.
On mine it happened to be the breather box on top of the cam cover which has been the cause of many leaks referred to here. As it happened the cam cover was fine albeit the bolts were a little loose.
In fact the breather box bolts which run through the cam cover to the cylinder head were so loose I could turn one with my fingers.
A situation that's also been referred to in these forums.
In the end i decided to do both sides as i was able to see some seepage on the left cam cover breather/oil filler cover.
What took the most time was the preparation. Getting the old sealant off & de-oiling really well to give the new sealant a good base to stick to.
I also removed the coil packs (one bolt each, along with an electrical plug connector). This enabled me to have a really good inspection of both cam cover gaskets. Incidentally, the left one was fine as well. However, again the bolts were quite loose & I torqued them up a little.
I have no worry now about changing the spark plugs myself as they were there to do. My only addition would be to buy a new mini, multi angle ratchet for the plug at the bulkhead end of each bank; as its a little tight.
To conclude I cannot comprehend how MB charge the prices they do in Labour for cam cover gasket & spark plug change work & I would bet (given the photo's I've studied on this site) that several of the cam cover leaks have been attributed just to the cam cover breather boxes; which as it turns out is even quicker & easier to do.
So if you have the leak problem whip the air filter boxes off as per the great instructions from the etyu thread 'green filter install'.
This should reveal all. Thanks for the info on this thread. I have saved myself a pretty penny or two. Learnt a lot & have no inhibitions about doing the spark plugs in the future & Oh! I changed my air filters at the same time. A thank you to James for the correct torque figures for the bolts involved.
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