Check out my Headgasket Job in the car!!!! - Page 2
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Northstar Engines and System Technical Discussion Discussion, Check out my Headgasket Job in the car!!!! in Cadillac Engine Technical Discussion; I see that you have a 99 Deville, should be the same as my 98. All I did to get ...
  1. #16
    bigtone's Avatar
    bigtone is offline Cadillac Owners Fanatic
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    Re: Check out my Headgasket Job in the car!!!!

    I see that you have a 99 Deville, should be the same as my 98. All I did to get additional clearance for the rear bank was to use a come-along to tilt the engine slightly forward, there is enough play in the motor mounts for that. I hooked it on the drivers side front hook on the engine, and the other end on the radiator support. The amount I pulled was slight, to be honest I could have pulled it there by hand but I wanted it to stay there. The extra half ince really made a difference with the valve cover and the heater pipes. Also, I removed the rear hook on the engine, which made the heater pipes alot easier. Any other questions feel free to ask.

  2. #17
    aac123 is offline Cadillac Owners Member
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    Re: Check out my Headgasket Job in the car!!!!

    thanks man im in the middle of tryin to find a pulley for thw water pump pulley i seen a thread were a guy used an altanator or power steering pump pulley but couldnt find anything that looked like that at advance or autozone waitin for snap-on website to see if they got something the part # is J 38825 but gm parts local guy said call snap on> will have some more questions and pics when i get the covers off check back about wednessday
    thanks

  3. #18
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    Ranger is offline Cadillac Owners Member
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    Re: Check out my Headgasket Job in the car!!!!

    Why do you need a new pulley? Don't use anything but the correct pulley.

  4. #19
    aac123 is offline Cadillac Owners Member
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    Re: Check out my Headgasket Job in the car!!!!

    Attachment 49623


    does anybody know where i can get this tool checked advanse and autozone but they needed exact name couldnt find it by pic the actual part is 100$ J38825: is water pump ulley puller

    thanks

  5. #20
    Ranger's Avatar
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    Re: Check out my Headgasket Job in the car!!!!

    Use a power steering pump pulley puller.

  6. #21
    Krashed989's Avatar
    Krashed989 is offline Cadillac Owners Connoisseur
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    Re: Check out my Headgasket Job in the car!!!!

    That puller I borrowed from the power plant my dad manages. It worked fine, but it wasn't the one that was supposed to be used. The right puller is actually what Ranger said.

  7. #22
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    Re: Check out my Headgasket Job in the car!!!!

    Krashed, That pic of the puller attached to the WP pulley looks like the center puller screw is a tapered affair which bears on the cam threaded end.

    The proper puller uses those threads to remove the pulley, so now you need to make sure the threads in the end of the cam are in good condition because you need them to install the pulley - use a well lubricated bolt and stack of s/s washers to slowly push the pulley back to its original position.

  8. #23
    aac123 is offline Cadillac Owners Member
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    Re: Check out my Headgasket Job in the car!!!!

    Thanks for the help with the puller guys going to go pick it up today, one question was how do i relieve the tension on the timing chain to get the heads of do i need to get a special tool do those sprockets disconnect from the head been reading alldata manual and its not very detailed and in bigtones thread it looks like theyre hanging in mid air, maybe he can chime in thanks alot guys

  9. #24
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    Re: Check out my Headgasket Job in the car!!!!

    I didnt ever have to "relieve tension" when I did my job I just unbolted the camshafts, no removing sprockets or anything of the sort.

  10. #25
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    Re: Check out my Headgasket Job in the car!!!!

    Quote Originally Posted by [NortHStaR] View Post
    I didnt ever have to "relieve tension" when I did my job I just unbolted the camshafts, no removing sprockets or anything of the sort.
    Yeah - that or unbolt the tensioners or guides on the front of the engine

    I used this to remove the pulley:

    http://www.harborfreight.com/cpi/cta...emnumber=66412

  11. #26
    Krashed989's Avatar
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    Re: Check out my Headgasket Job in the car!!!!

    Quote Originally Posted by submariner409 View Post
    Krashed, That pic of the puller attached to the WP pulley looks like the center puller screw is a tapered affair which bears on the cam threaded end.

    The proper puller uses those threads to remove the pulley, so now you need to make sure the threads in the end of the cam are in good condition because you need them to install the pulley - use a well lubricated bolt and stack of s/s washers to slowly push the pulley back to its original position.
    So that's what the threaded hole was for! Haha It didn't even occur to me. I put the pulley back on with a flat punch and a ball peen hammer, didn't think to use a bolt.

  12. #27
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    Re: Check out my Headgasket Job in the car!!!!

    Cross your fingers. You were beating on the end of the intake camshaft which is aligned in the head with bearings and thrust bearings. Not to mention that timing chain and sprocket on the other end........

  13. #28
    aac123 is offline Cadillac Owners Member
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    Re: Check out my Headgasket Job in the car!!!!

    well fellas I got the front valve cover off today with the pulley you guys recommended. Any special tips on getting the head off or stuff to watch out for going to wait till this weekend to take heads off, really dont wont to lose the timing since im doing it in the car dont want to any further into the engine than i have to. That oil in the head looks like grey poupon i guess all the water and cooloant getting in it. Should i send the heads off to somebody to check or just slap up back on? For a novice timeserts or norms, im thinkin of going with norms because their bigger dont want to do it twice.

    Thanks alot

  14. #29
    Submariner409's Avatar
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    Re: Check out my Headgasket Job in the car!!!!

    You need to read up on Northstar cams, timing, and chains........and the need to set the engine and cams at a particular position in order for all the timing marks to line up........BEFORE you align the cams and chains to remove all the sprockets, and it all has to be held together with wire while it's apart......those 3 chains will slip teeth if there's not tension applied.......I've only done this procedure out of the car, so have no idea what you have to do with everything sort of inaccessible.

  15. #30
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    Re: Check out my Headgasket Job in the car!!!!

    If you leave it in the car, you need to lower the cradle enough to get the balancer and timing case cover off. Otherwise, how do you depress the chain tensioners without removing the timing case cover? Now that you went that far, why not drop the cradle all the way and make it easy on yourself?

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