suzyq Posted October 19, 2009 Report Share Posted October 19, 2009 Unfortunitly I blew a head gasket on my 1999 deville northstar this weekend going up the grapvine to LA. It was running perfect but gasket was probably near failure since the eingine had 88,000 miles on it. That climb will push almost any high milage northstar over the cliff. MY question is has anyone tried any of the advertised seal a head gasket products out there and are they effective. The car is absolutly immaculate inside and out but not worth putting $5000 into it. If these product work, I could at least continue to drive it locally until it dies again. Any feedback would be greatly appreciated as I have to decide is it worth the drive from Sacramento to LA to pick the car up or sell it to the cadi technition who wants to purchase the car for $500. Thanks all suzyq Link to comment Share on other sites More sharing options...
Bruce Nunnally Posted October 19, 2009 Report Share Posted October 19, 2009 I can't recommend any of the 'fix in a bottle' solutions. Ask your mechanic to check the service here: http://www.northstarperformance.com/ and a quote for the complete repair. Also read through this recent thread on a similar repair. Bruce 2016 Cadillac ATS-V gray/black Follow me on: Twitter Instagram Youtube Link to comment Share on other sites More sharing options...
Ranger Posted October 19, 2009 Report Share Posted October 19, 2009 Repair in a bottle will not work. Link to comment Share on other sites More sharing options...
BodybyFisher Posted October 19, 2009 Report Share Posted October 19, 2009 As Bruce noted, no fix in a bottle will work, dont be sucked in by any mechanic, the bolts pull. The block needs to be timeserted or you must use studs, if you decide to fix it come here we can help you with guidance Pre-1995 - DTC codes OBD1 >> 1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/ Cadillac History & Specifications Year by Year http://www.motorera.com/cadillac/index.htm Link to comment Share on other sites More sharing options...
suzyq Posted October 19, 2009 Author Report Share Posted October 19, 2009 Thanks for the advice I new I would get. I am a sceptic of any thing repair in a bottle. The studding seems like the way to go. I have restored old mopars for years and am a 30 year machinist by trade, had my own CNC shop for 28 years, but I am not a northstar mechanic and believe this may be above my expertise. Is there a good shop in california that will do this kind of repair for a reasonable cost. Seems a shame to scrap such a clean car, it has always been garaged, paint, body and interior are showroom condition as this car was my Dads car. It was garaged and not driven for 4 years after he passed away. Any help would be appreciated. PS I have a six car garage and a car lift in my garage, should I attempt this rebuild myself, the stud installation would be childs play for me, the rest I'm not so sure. Thanks, suzyq Link to comment Share on other sites More sharing options...
BodybyFisher Posted October 19, 2009 Report Share Posted October 19, 2009 I sent you an PM in response to your PM, you certainly have the experience and you have a lift...big benefit. We can help you here there is a LOT of experience here to help you. If you dont have the factory service manuals (FSM) by them on ebay or from helminc.com Mark everything, take photos, refer to the FSM You can timesert the block or use the northstarperformance.com studs. We have a member that just had his block studded, here: http://caddyinfo.ipbhost.com/index.php?showtopic=23288 Let us know what you plan to do, again we can help Pre-1995 - DTC codes OBD1 >> 1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/ Cadillac History & Specifications Year by Year http://www.motorera.com/cadillac/index.htm Link to comment Share on other sites More sharing options...
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