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M35 passenger side rocker cover gasket DIY

i hold no responsibility for any person hurt or cars damaged while using this DIY tutorial.

tools needed:

1/4 socket set (10mm, 12mm, extensions and knuckle)

10mm spanner

magnet (so you dont lose bolts)

flat head screwdriver

super RTV silicone (you dont have to use this)

degreaser or brake cleaner

rags

scraper

rocker cover gasket

1. remove engine cover, then remove intake pipe both sides, stuff rags inside the intercooler pipe so not to lose bolts. undo surrounding plugs and place out of the way (if you can)

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2. then get the 12mm socket and undo the plenum bolts, and behind the plenum use a 10mm spanner to remove a small bracket. once undone you should be able to pull the plenum aside and get to the rocker cover bolts.

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3. once you can see the rocker cover clearly, remove the coil packs (make sure to mark the plugs so u know which goes where) now get the 10mm socket with extension and start to remove the rocker bolts, use the magnet to catch the bolts, you will encounter 3 that can be hard to get to (the back left corner under the hose and the next 2 towards the front of the car, make sure you dont drop them)

the bolt is under this hose

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4. now use a flat head at the front of the rocker cover and gently pry it upwards until the seal brakes, then remove the rocker cover, and put some rags over the exposed engine.

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5. then get a rag with some degreaser or brake cleaner and clean the sealing area on the engine (mine had some grey silicone on the front which had to be scraped off), then degrease the rocker cover and clean the edge (i used the corner of a rag and ran around the inside of the seal point)

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6. once the rocker cover is clean, fit the rocker cover gasket inside the rocker cover and use some silicone in the corners to help it stay in place, wait a minute or two so the silicone hold better. then put the rocker cover back on the engine (you will need to lift the hose at the back to make it easyer) once it is in place and you have checked that it hasnt falling out of place. you can then put the bolts back in place being careful not to drop them (magnet helps) and tighten. then reverse steps 2 and 1.

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ok im pretty sure thats everything you need to know about doing the rocker cover, just remember to remove the plenum i tryed to do it without removing it, it didnt work.

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  • 4 years later...

hi guys i see this is abit of an old post but glad i have found it as i wasnt to sure if i would need to remove the plenum or not , would it pay to replace the inlet gasket while its apart or would it be ok to leave in there , cheers 

  • 9 months later...

Good write up.  Order is pretty much right.

So if you are going to try this at home, I suggest leaving at least 5-6 hours, which includes a bit of swearing, dropping tools/bolts and stuff in general and degreasing everything.

Those bolts at the back of the plenum are sure to be broken once you have a crack at them with the 10mm spanner/socket.  So get a few spare for this job.  Squirt a bit of WD40 before you consider doing this job!  Probably crack them when the manifold is hot!

 

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