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11 of 11 people found this review helpful
Northstar engine bad design
By johnr24 on
Vehicle
1999 Cadillac Seville STS 4dr Sedan
Review
The Northstar engine until about 2002 had lugbolts that were too short. So it blows a headgasket climbing hills. $3500 to repair with new longer bolts. No old high mileage Northstars ,only dead ones. Engine not considered rebuildable. A Cadillac engine design mistake (30 yr Cad owner)
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By eddymerckx
on 05/23/14 21:37 PM (PDT)

High Mileage on a Northstar is 90K.

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