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Broken88's Engine Assembly Question Thread

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  • #46
    Great thanks. Just got the timing cover on. Onto the next step.

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    • #47
      I pour a little oil on the chain after fitting the cams while rotating to check timing.

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      • #48
        About to install the oil separator assembly. Curious, can oil separators go bad like PCV valves? Is there a way to test them or clean them?

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        • #49
          THis one doesn't fail. It's just a labyrinth inside.
          Did you manage to dissolve the bolt inside the upper oil pan?

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          • #50
            No. After about 3 weeks of attempting to remove and dissolve the bolt, I gave up. I do think it made the broke bolt shorter, which made the hole more shallow. But the bolt never got skinnier, so it was still really jammed in there. So I ended up just finding a replacement upper pan.

            I should be putting in the engine in the next week or so. So more questions will follow I'm sure.

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            • #51
              Ah, what a shame. Thanks for the reply.
              I will give it a go myself on an M8 bolt that I drilled with a left drilling 6mm dril hoping it would come out but it didn't. hopefully it will dissolve in my case since the surface area is greater.

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              • #52
                Yeah, I think that was the problem. Surface area was so small. Keep me posted. I believe I would try the method again if I was working with a bigger bolt or with more space.

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                • #53
                  Anyone ever replace #3 in this diagram. The "Needle Sleeve". I would like to know if its a regularly changed item or not and would like to know the best way to replace it. I can't seem to find anything on it online.

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                  • #54
                    That's the needle bearing for the timing chain "idler" pulley. I have replaced it with each rebuild, just because it was inexpensive, it's a moving part, and I'm anal. If yours seems OK I'm sure it would be fine to reuse it.

                    I just bought the replacement from BMW.

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                    • #55
                      Worth replacing on any build as $9 bearing.
                      This is the bearing and pulley.
                      20180502_003352 by e30 m3, on Flickr
                      This space is a sanctimonious shit free zone.

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                      • #56
                        That is pretty much how I felt, so I had purchased it during my parts gathering. Is it easy to replace? Standard bearing tool or a press required?

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                        • #57
                          Originally posted by Broken88 View Post
                          That is pretty much how I felt, so I had purchased it during my parts gathering. Is it easy to replace? Standard bearing tool or a press required?
                          Standard fingers are all that are required. It pushes right in.

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                          • #58
                            LOL. That's great. Thank you. I'm so close to getting the engine in the car. Its been a long and expensive road.

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                            • #59
                              Mind the orientation when you put the idler gear back in

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                              • #60
                                I may be installing the head this weekending. So I will also need some clarification on using sealant on the timing cover area when the head gasket is being installed. I have read countless threads on this topic and understand that a thing layer of 518 is needed where the timing cover meets the block under the head gasket. I have also read some threads saying to use sealer around the timing chain cover, but cant find exactly where or pics of the process.

                                In this picture, I have the timing chain to block connector marked in blue. Should I be applying 518 sealer around the timing chain (which I have circled in red)? Also, Does the sealer need to be applied to both the top and the bottom of the head gasket, or only on 1 side?

                                Thanks everyone!

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