98 ETC Head Gasket project started today... - Page 18
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Northstar Engines and System Technical Discussion Discussion, 98 ETC Head Gasket project started today... in Cadillac Engine Technical Discussion; Originally Posted by eyewonder Only having done one N*, I would vote on waiting till after the lower case is ...
  1. #256
    Glenn Delwood is offline Cadillac Owners Fanatic
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    Quote Originally Posted by eyewonder
    Only having done one N*, I would vote on waiting till after the lower case is cinched down. My one experience was using the latest, genuine GM seal.

    The inner portion of the seal is metal (at least on the year engine I worked on), and pressed over the crankshaft. The tool that I used, the latest version, forced the seal to be installed straight, not cocked, and to a specific depth - the tool stopped when it encountered the block/lower case. With that seal, I would not attempt to install it before the lower case was mated with the block.

    Cheers,
    Steve
    What tool are you referring to?

  2. #257
    Glenn Delwood is offline Cadillac Owners Fanatic
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    Quote Originally Posted by Faded Crest
    If you are referring to the picture, it is a Piston ring compressor that allows you to install pistons into the cylinders. The sleeve is tapered and is the precise size to fit a Northstar piston. As you slide the piston in, the rings compress so you can slide it in.
    So if I take my pistons out, I'll need one?

  3. #258
    Faded Crest's Avatar
    Faded Crest is offline Cadillac Owners Connoisseur
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    Re: 98 ETC Head Gasket project started today...

    Glenn, Steve (eyewonder) was talking about the rear main seal installer tool. It is a specialty tool that presses the rear main seal to the crankshaft output. You will absolutely need that tool if you do the rear main seal. They aren't cheap, but here is a great deal for one....

    http://www.ebay.com/itm/Kent-Moore-J...#ht_1218wt_952

    As for the piston compressor, you don't necessarily need that exact tool, but you will need some kind of piston ring compressor if you pull your pistons out. You could always use the older style piston compressor tool that is adjustable, but these are far superior and easier to use.

  4. #259
    Glenn Delwood is offline Cadillac Owners Fanatic
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    Quote Originally Posted by Faded Crest

    As for the piston compressor, you don't necessarily need that exact tool, but you will need some kind of piston ring compressor if you pull your pistons out. You could always use the older style piston compressor tool that is adjustable, but these are far superior and easier to use.
    That crankcase tool wasn't cheap. I guess I could sell it afterwards.
    If I plan to check/replace the rings I might as well get a tool to put the pistons back. I could use them. Where and how much for that piston compressor?

  5. #260
    Faded Crest's Avatar
    Faded Crest is offline Cadillac Owners Connoisseur
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    Re: 98 ETC Head Gasket project started today...

    Glenn, click the link on my post #255. Someone has a line on a less expensive ring compressor sleeve. Like $30. Mine is an ARP tool and was around $60 delivered. I would have bought the $30 one if I had seen the link in time. That press actually is pretty "cheap" at $99. There are those who have paid over $300 for the same tool. I think I paid $115 for mine.

  6. #261
    bill buttermore is offline Cadillac Owners Fanatic
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    Re: 98 ETC Head Gasket project started today...

    I bought that same rear seal tool from Blackhat auctions for $99. That is a great price.

  7. #262
    Glenn Delwood is offline Cadillac Owners Fanatic
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    Re: 98 ETC Head Gasket project started today...

    Just wondering if this crankase sealing tool is useful for any other application or is it SPECIFIC to the northstar (or GM only?)

  8. #263
    RippyPartsDept's Avatar
    RippyPartsDept is offline Hi, I'm Chris - Please Read My Signature
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    Re: 98 ETC Head Gasket project started today...

    you mean the rear main seal install tool ?

    if so, then i'm pretty sure it's only for NorthStars
    Chris Heath (RippyPartsDept) is an ASE Certified GM Parts Consultant at Rippy Automotive
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  9. #264
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    Re: 98 ETC Head Gasket project started today...

    Good work Faded! Bout there!

  10. #265
    wingman65 is offline Cadillac Owners Member
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    Re: 98 ETC Head Gasket project started today...

    Great thread, will be like having a new motor when done. How is the progress coming, its been awhile since your last post.

  11. #266
    chasd is offline Cadillac Owners Member
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    Re: 98 ETC Head Gasket project started today...

    How did it finish?

  12. #267
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    Re: 98 ETC Head Gasket project started today...

    Faded! WHEEERRE arrrre YOOOUU?

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