S2000 Under The Hood S2000 Technical and Mechanical discussions.

Replacing intake cam with retainers

Old 12-03-2016, 09:39 AM
  #11  

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Okay I got the valve cover off this weekend. Two questions: 1) how do the retainers & lobes look? 2) My buddy noticed a "line/scratch" on the rollers. Should i be concerned about this?

Retainers













Cam lobes






Rocker
Old 12-03-2016, 09:54 AM
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The only retainer that looks like it might not be 100% is the cylinder #1, valve #1 but there is a shadow over all the cotters so I can't judge. Consequently there looks to be some unusual wear on that roller as well. Hard to see cylinder #4.
The wear on the cams doesn't look unusual.

I made a video on what I believe to be the best way to inspect retainers.

https://www.youtube.com/watch?v=sRRcqDXtVWs

Last edited by Soviet; 12-03-2016 at 09:57 AM.
Old 12-03-2016, 10:00 AM
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Default Valve #1 and cylinder #1

Thanks! Here's a couple more pics, hopefully better. We shined a light from the fireball to make the shadows better

Old 12-03-2016, 01:44 PM
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I think your good, that retainer looks fine to me.
Old 12-03-2016, 02:47 PM
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Pictures are typically hard to see broken retainers, but yours look good.

Lines on the rollers are normal occurrence, no problem there. Cams look fine, all looks good.
Old 12-05-2016, 09:53 AM
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Thanks again everyone!

for the record/future reference we also ended up taking off the cam, and moving the rockers back later in the weekend. Here are the pics












Old 12-05-2016, 03:16 PM
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Looks good.



This is how the keepers look on an obviously cracked retainer.
Old 12-05-2016, 04:13 PM
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What I am amazed by is looking at that one it looks awful, obviously toast. But the rockers didn't seem to have been riding on the retainer like in the previously linked thread, yet the retainers in that instance didn't physically look nearly as bad
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