Paul S Posted August 13, 2013 Report Share Posted August 13, 2013 I am going to go look at a 2004 XLR this weekend. I was wondering what year did Cadillac get the head gasket problems resolved on the Northstar engine. Quote Link to comment Share on other sites More sharing options...
Göran W Posted August 13, 2013 Report Share Posted August 13, 2013 The last HG improvement came with the model year 2004! Quote Link to comment Share on other sites More sharing options...
Bruce Nunnally Posted August 14, 2013 Report Share Posted August 14, 2013 For the 2004 XLR I would concentrate on smooth operation of the top -- watch it go up and down several times. From what I have read, the sensors are a bit complex and have to be well understood if adjustments are needed. Quote Bruce 2016 Cadillac ATS-V gray/black Follow me on: Twitter Instagram Youtube Link to comment Share on other sites More sharing options...
Paul S Posted August 14, 2013 Author Report Share Posted August 14, 2013 Glad to hear the HG issues had been resolved by that time.Also thanks for the advice I will carefully watch the top move in both directions. It sort of puts me in mind of the old '57 Ford Skyliner. I understand that was loaded with limit switch problems that could be a bear to trouble shoot when it got out of whack. Quote Link to comment Share on other sites More sharing options...
Göran W Posted August 15, 2013 Report Share Posted August 15, 2013 Did You count the number of relayes behind the rear seat on the Skyliner? Thank heaven I did not have any trouble with my old --59! Quote Link to comment Share on other sites More sharing options...
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