Cadillac STS The newest installation of the performance sedan from Cadillac, having replaced the Seville

Engine Issue 4.6

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  #21  
Old 12-10-2008, 09:58 AM
syracuse's Avatar
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Default RE: Engine Issue 4.6

I am dealing with a real Cadillac dealer and they have serviced the car since new.Any infoon the engine from MD would be appreciated. The warranty company requires a warranty with theengine to cover it under the policy. We are trying to geta remanufactured engine approved. The option rightnow is a used engine with 55K miles and I am telling them no, I won't take it.
Thank you for your assistance.
 
  #22  
Old 12-13-2008, 09:51 PM
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Default RE: Engine Issue 4.6

ORIGINAL: slowroll

GM engine 3 yr/ 50k. Thread is about oil use not directly head gaskets.
I am aware what the thread is about. Its about a replacement engine. Apparently there are two different kinds. Used and Rebuilt. I was only saying to be carefull if its Re-Built. Why an engine is re-built is a good thing to be concerned about. So that is why I had brought it up.
ORIGINAL: The repair risks involving northstars can make warranty co.s opt to install "good" used engines vs attempting repair of original, where heads have to be removed, due to the thread pulling issue. "Squid Decarboning" was developed because of the Northstar's cylinder block short comings.
Does make one wonder also as to where these used low mileage engines may come from. Accident write-off vehicles maybe ?

Either way.....should be careful and get as much info as possible about the engine they want to give you. It should all be recorded and available to you if you ask.
 
  #23  
Old 12-14-2008, 10:47 AM
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Default RE: Engine Issue 4.6

Part No. I came up with for GM engine is 89017724 nearest 1 to you is in Houston,TX. I don't have free reign on gm dealers parts locator , so there may be one closer. Old P/Ns which will show discontinued 89017751, 88894239, and 88894250. This site may be very handy:http://www.worldparts.com/special.html
 
  #24  
Old 12-15-2008, 05:27 PM
syracuse's Avatar
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Default RE: Engine Issue 4.6

Thank you to Rickyd, Katzman's Caddy, Slowroll and KlrOntherd for the replies to my post.

The final deal, my engine was toast with a scored piston the dealer would not fix, I refused the used engine, no one couldlocate a new GM engine, CNA the warranty company paid for a remanufactured engine, the dealer installs and for a couple hundred bucks I added to the engine warranty makingit three years and 100K miles for the engine.

Thanks again and I wish all a happy holiday season.
Don't forget all the service folks that will not be home for the holidays.



 
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