Swap out the motor

2003 PONTIAC GRAND AM
141,000 MILES • 4.3L • V6 • 4WD • AUTOMATIC
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ET5998
  • MEMBER
  • 1 POST
I have a the car listed above but the transmission is no good. I have a friend who has a the car only a four cylinder, but is having engine issues. so I'm wondering if we could take the six cylinder and swap it out the four cylinder?
Jul 24, 2019 at 6:45 AM
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ASEMASTER6371
  • CAR REPAIR CONTRIBUTOR
  • 52,796 POSTS
Good morning,

The engine will fit but you need the complete wiring harness to be swapped as well along with all components and exhaust.

The transmission is different as well. The 4 cylinder transmission is different than the 6 cylinder transmission.

Roy
Jul 24, 2019 at 6:54 AM
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