1999 Cadillac STS Engine swap Seville 1997 into Seville 199

UCAKICI

MEMBER
1999 CADILLAC STS
V8
2WD
AUTOMATIC
152,000 MILES

Can put a Northstar engine from 1997 Seville STS into my 1999 Seville STS?
Reason is blown engine in the 1999 STS.

Thursday, January 15th, 2009 AT 10:37 PM

1 Reply

2CARPRO JACK

MECHANIC
11,533 POSTS

Same Northstar engine in both cars? Then yes, it will work, when you have both engines out, may want to swap all sensors from bad engine to good one, just so you dont have to later, when it is in the car

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Friday, January 16th, 2009 AT 7:37 AM

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