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Stuck on valve cover gasket job

14K views 27 replies 14 participants last post by  OnTheFence  
#1 · (Edited)
I got all the 4 inner bolts and 11 perimeter bolts off. The valve cover is on rock solid. I tried hitting it with a rubber mallet. That did nothing. It feels like it's cemented on, there is not even a hint of looseness. Is there a certain technique I can use? Do I pry with a screwdriver, or will that crack? I've tried grabbing around the perimeter and it's not budging.


Also, while I was taking off the coil packs, I tried to reinstall one, and was unable to. I would press it back down, but it would sort of spring back up. It would not firmly seat, and instead bounce back out of the hole. Is there a trick?


Steps:
1) Remove Cowl
2) Remove Engine Cover
3) Unclip coils and remove
4) Move O2 wires
5) Remove 4 inner bolts and 11 perimeter bolts
6) Remove cover
7)
 
#2 ·
Grab the oil filler cap & rock back & forth (towards rear & front of engine). Also lightly tap with a rubber mallet on the corners of the cover. Do not pry it as you risk damaging the aluminium head which is quite soft & the fact that it is stuck on you will more than likely snap part of the valve cover as the plastic is very brittle (don't ask me how I know)

Good Luck!
 
#5 · (Edited)
I normally just keep pushing and pulling until it gives. It seems like its going nowhere, but every movement weakens it a bit more, until it starts to move easily.

Be careful when it does start to move, the (once but no longer) rubber gasket may 'shatter', and then you drive yourself nuts trying to collect small black plastic bits from around the cams.
 
#18 · (Edited)
This was top advice! I eventually got it off by remembering what you said.

I was able to make a foothold at the front Vanos area. I used my blue trim pry tools.
I used the widest part to spread the force across more surface.
Eventually, I was able to grab a few key points, and used a combo of my fingers and some pry trim tools, and I just kept slowly rocking.
Once there was a slight give, I kept at it, slowly and surely, until it started to give around the perimeter. A little more each few tugs.
It feels like you're going NOWHERE, and it's not budging, but just try to get a break in the front, and then keep at it. It's like slowly breaking a large tree branch.

I will post a few pics tonight, for future n00bs who get stuck.
 
#6 · (Edited)
I've tried all the obvious. Tried grabbing the oil fill hole. Tried prying the section next to fuel rail.
I was pushing with my weight to the point the car was rocking back and forth.
There is simply nowhere to pry or grab, either.
I have a very strong feeling this is going nowhere, or I am going to crack something.
Ugh, am ok with giving up on this job, and paying a pro to do this.
 
#13 · (Edited)
Every video I have seen does not look like mine.
In other videos, the coil pack just seats down firmly.
The do not bounce out like a Jack in the box.

Man, I am kind of stressed out right now.
I don't even care about the valve cover gasket anymore, I just want to put everything back and crawl into bed.

Am I supposed to just hold it down and bolt it in?
It totally does not feel like anything is connected.
I don't think the car will run like this.
 
#14 ·
just try it imo you're not going to break anything

coils are pretty simple. they shoot thousands of volts down the end on command and that's it. Either the voltage is transferred to the spark plug and the car runs, or nothing happens


your coils didn't behave like this coming out because the rubber boot was fused to the spark plug after being on there so long
 
#16 ·
I have not changed spark plugs in a BMW before so I am just throwing this out since these sit on top of the spark plugs

Did you change the spark plugs?

If you did does BMW use the screw cap on top of the plug? Some cars use it some don't.

If you have an old plug maybe you could see if it seats on the plug out of the car?
 
#19 ·
Back to the coil boots. No, I did not remove the spark plugs.
I pulled off, then immediately tried to push back on, and I got the bounce.

I am thinking the boot is not seating onto the tip, but is just getting "mushed"
Then when I let go, it just pushes back. Should I dab a bit of dielectric grease into the boot?
Maybe that will help it slide on, and not get mushed?
 
#26 ·
I hope it's not something stupid like a PO using anything other than RTV the last time it was replaced.

I've seen people "fix" VC's with epoxy/JB Weld before. If it was bolted down before fully curing, that would be an issue.

Is the entire VC stuck evenly? Another option would be to take a razor blade and slowly work your way under the old gasket with multiple passes. (Wear a work glove if you do this.)