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Thread: mysterious rattle

  1. #131
    Join Date
    Jul 2014
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    207

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    Thanks Radioman!
    I checked the press aid, what it was pushing against and the angle of force a dozen times yesterday, but as if it was the first try I started over setting it up, and...... yep, it came off. Thank you again! Hopefully I didn't damage the dampener with heat applied yesterday. Getting the drive pullys off was easy. The seal on the rear bearing was just hanging there - all shrunk and brittle. I'm guessing there should be more than 8 balls in the bearing; it looks like I have one ball more than half of the balls left..... wonder where the other went??? I can see a circlip that needs to come out, and I assume I will need to remove the woodruff keys to pull the bearings. I've never been good at removing woodruff keys; I'll worry about that next weekend. In the meantime, I'll apply some penetrating solution to the head studs and block/ head seams a couple times a day to hopefully loosen things up a bit to get the heads off.

    BTW, how's the move going? You must be super busy. Thanks again for taking the time to respond
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  2. #132
    Join Date
    Jun 2007
    Location
    Massachusetts
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    13,328

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    You are doing great man! And thanks for posting the pictures. I'm going to get some popcorn and follow along. Start thinking about writing an official tutorial for my 308 site!!

    Jonathan
    Birdman308 for parts and tutorials!

  3. #133
    Join Date
    Aug 2013
    Location
    Massachusetts
    Posts
    487

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    Nice job. You are making great progress.

    When I was diagnosing my engine, I was told it was probably the inner bearing, so I got things apart and eventually I just removed the front cover with the harmonic balancer and cam drive pulleys still intact. That allowed me to check the inner bearing and I found that the rear bank bearing cage had come apart (with parts ending up in the sump). The balls were all on the bottom half of the bearing and as as soon as I touched the inner race, it loosened up and the balls and inner race just fell out. The front bank bearing was fine.

  4. #134
    Join Date
    Sep 2009
    Location
    In the big house
    Posts
    7,068

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    Remove the woodruff keys with a pair of sidecutters and replace them with new. About $1. Once the engine is off the transaxle, remove the timing cover. Then, while supporting the rear of the cover, press the shafts through. Then remove the snap rings, heat the cover and tap the bearings out.
    Sarasota Italian Garage, LLC
    "The Fluent in Ferrari Guys" celebrating 37 years of service excellence
    **An independent facility with no affiliation with Ferrari SpA**
    Sarasota, FL
    www.fluentinferrari.com

  5. #135
    Join Date
    Jul 2014
    Posts
    207

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    Thanks for the encouragement guys!
    Thanks for the tip, and sharing your knowledge Radioman! Your way makes much more sense than trying to pull the bearings out the front with the timing cover still attached. I was going to grind down a couple bolts for a home-made Sykes tool, but no need.
    I'm going to put most of my effort into getting the heads off now to see what condition the cylinders are in, and to work with less weight separating the engine from the transaxle.

  6. #136
    Join Date
    Jul 2014
    Posts
    207

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    Sooooo, my heads are stuck, really stuck. Iíve been slathering the 50/50 ATF-acetone concoction several times a day for the past week, and putting heat at least once/day (although Iíve yet been able to get to 200 F with a heat gun), and Iíve been putting 90+ psi air in each cylinder as I bang a 4x4 with a 10 lb sledgehammer, or pry with a 2.5í crow bar using my re-assigned 3 lb sledgehammer as a fulcrum. There are some really good places to pry against (see pix), but Iím not getting any results. I was going to try hanging the lump by the heads, but I canít think of a safe way to do that, so I chickened out.

    A very kind and generous 308 owner in Toronto has offered to lend me his pulling pate that has worked on 2 different 308s for him. It should arrive in a few days, and I will be sure to post updates & pictures. Using the plate will require removing the spark plug tubes. I found a YouTube video on removing the tubes here, but I cannot find the tool he uses anywhere, How does one go about removing the spark plug tubes???

    Also, hopefully the plate will do the trick, but if not, I suppose my next move would be the rope trick. Any thoughts or comments on the rope trick? In the meantime, I will continue to slather, heat, bang and pry (sounds like a country music title, doesnít it?)
    As always, any and all suggestions are very much appreciated.
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  7. #137
    Join Date
    Jul 2014
    Posts
    207

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    Quote Originally Posted by Radioman View Post
    Remove the woodruff keys with a pair of sidecutters and replace them with new. About $1. .
    Forgot the thank Radioman for yet another valuable tip. One woodruff key came out rather easy, the other didn't give me anything to grab onto, so I knocked the back side with a small chisel & that lifted the front enough to get a bite on it. So much easier than using a drift to try to knock it out; Thank you!

  8. #138

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    Do you think the last guy that was in there might have glued them on with red RTV? Looks as though he was really fond of the stuff...

  9. #139
    Join Date
    Jul 2014
    Posts
    207

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    Quote Originally Posted by kcabpilot View Post
    Do you think the last guy that was in there might have glued them on with red RTV? Looks as though he was really fond of the stuff...
    No joke! it was a real PITA to get the intake manifolds off. The heads are just unbelievable ; hopefully the plate I am borrowing will solve that problem - wish me luck

  10. #140
    Join Date
    Jul 2014
    Posts
    207

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    I couldn't find the tool in this video on the internet, but on my way to Home Depot to take a look to see if I couldn't make up such a tool, I stopped by O'Reilly's to see if they didn't have something close. There was nothing on the shelves, but it just so happens that it is one of the tools that they lend out. (I take back half the things I've ever said about O'Reillys. I still won't buy anything to do with electrical connections, but I'll borrow tools from them anytime:-) Anyway, it worked exactly as in the video, and I had all eight out in less than an hour with no damage to any of the tubes at all. The spark plug tubes in my car are in two pieces; the upper part that I needed to remove to use the head-removal plate is only about 2 inches long of which half sticks out and would get in the way. There seems to be either a dried-out seal or dried-out RTV between the upper and lower tube pieces.
    Anywho, the spark plug tubes are now out of the way, the plate is due to arrive via UPS on Tuesday, and I'm taking Wednesday off work to start cranking. In the meantime, I'll be slathering, heating, banging and prying away
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