Engine and Transmission Swap compatibility?

2005 CADILLAC CTS
105,000 MILES • 3.5L • V6 • 2WD • AUTOMATIC
Avatar
IND35TRUCTIBLE1
  • MEMBER
  • 7 POSTS
will a 2005 cadillac sts 4.6 engine and trans work in a 2005 cadillac cts?
Feb 15, 2023 at 1:38 AM
Advertisement
Avatar
STEVE W.
  • CAR REPAIR CONTRIBUTOR
  • 15,158 POSTS
Not without changing a lot of other pieces as well. The Northstar uses a lot of different items than the 3.6 you currently have and as the CTS never got the Northstar in it you would need to make some custom pieces as well.
Feb 15, 2023 at 3:32 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.