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Thread: Head Gasket starting to go: Repair the car or sell??

  1. #1
    BackInTheUSA's Avatar
    BackInTheUSA is offline Cadillac Owners Member
    Automobile(s): 2000 Cadillac Seville STS
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    Head Gasket starting to go: Repair the car or sell??

    Hi All,
    I'm more of an observer than active poster, but I have a moment to see what opinions are out there:

    The car:
    2000 STS

    The Good:
    Paid $3700 for it with 108,000 miles on it December 2011
    Interior is in great shape (no rips tears etc)
    Exterior is in great shape with a few small dings on the front fenders
    No rust (Oregon valley car)
    New radiator
    Clean engine, no oil leaks
    Flawless tranny (so far)

    The Bad:
    Head Gasket is starting to leak (overheats in temps above 60 degrees, uses 1/2 gallon coolant per 500 miles, starts rough then idles out smooth after a few minutes)
    ABS out (highly possible just the control unit connections, haven't had time to remove and clean)
    Suspension shakes between 68-74 a bit, especially when heavy braking (seems to be mostly rear), pretty stable from 80 to 120 mph oddly enough
    Torque Convert solenoid not working
    Steering column sensor not working (from before the ABS failed)
    157,000 miles

    These guys can do a nice job on the engine with a 2 year warranty, for about $2400
    http://www.gmrepaircenter.com/cadill...pair-blog.html

    Do you all think it would be worth it to fix the head gasket issue at this point? If I did this, does anybody have their Caddy pushing high miles after this repair (like 220,000+)? I really love this car and feel it may be worth it to drop $3000 into it and get it back to fully functional, compared to alternatives out there. What do ya think?


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  3. #2
    MoistCabbage's Avatar
    MoistCabbage is offline Cadillac Owners 10000+ Posts
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    Have you done a block test to co firm that there's an HG issue?

  4. #3
    basscatt's Avatar
    basscatt is online now Cadillac Owners 10000+ Posts
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    Re: HG Head Gasket starting to go: Repair the car or sell??

    after the $2400 for HG -

    you have another $2000 to rebuild the trans -

    at high mileage the struts and shocks are probably due for replacement -
    that's another $4000 if you stay "active" -

    another $250 for the steering position sensor -

    another $1000+ for the ABS pump -

    plus more for other suspension bushings and steering parts -

    you could EASILY drop another $10,000
    AFTER the head gaskets -

    how much do you love the car?

    as it sits now - it's worth $500 to $750

  5. #4
    Ranger's Avatar
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    Re: HG Head Gasket starting to go: Repair the car or sell??

    If I did this, does anybody have their Caddy pushing high miles after this repair (like 220,000+)?
    Easily.

  6. #5
    BackInTheUSA's Avatar
    BackInTheUSA is offline Cadillac Owners Member
    Automobile(s): 2000 Cadillac Seville STS
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    Re: HG Head Gasket starting to go: Repair the car or sell??

    Haven't confirmed, but it is definitely the culprit from the symptoms (magically disappearing coolant, overheat under load and higher ambient temps, practically smell the fumes in the fill tank...and of course it is a Northstar with 156,000 miles).

    ----------

    I'm hoping I can do the HG and torque converter at the same time by GMRepairCenter, and that the ABS is just corroded connections on the control unit (it did come back to life a few times). Other items may have to take a back seat other than brakes/rotors and hubs. At least they are getting pretty affordable lately. I really don't care much about the stability control. I would be looking to drop $3000 total in the idea it would go another 100k without further major repairs (trans is the big question there...anybody see them go over 220k without rebuild/replacement?

  7. #6
    curtc's Avatar
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    Re: Head Gasket starting to go: Repair the car or sell??

    My trans went out somewhere around 210-220k when I had my 2001 STS, on the bright side the head gasket was original.

  8. #7
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
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    Re: HG Head Gasket starting to go: Repair the car or sell??

    Quote Originally Posted by BackInTheUSA View Post
    anybody see them go over 220k without rebuild/replacement?
    This should answer your question. Take special note of post #366 (page 25).
    http://www.cadillacforums.com/forums...d-who-can.html

  9. #8
    MoistCabbage's Avatar
    MoistCabbage is offline Cadillac Owners 10000+ Posts
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    I was going to post that earlier.

  10. #9
    Mark C's Avatar
    Mark C is offline Cadillac Owners Connoisseur
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    Re: Head Gasket starting to go: Repair the car or sell??

    My 2000 STS just crossed over the 200K mark this week. Still going strong, although I do need some new rear shocks.


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