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Freda W
Freda W asked in Cars & TransportationCar MakesGMC · 9 years ago

What kinds of transmissions can fit in a 99 Buick Avenue with a 3800 engine?

I'm just wondering if anyone knows of what transmissions from other makes,model & yr cars can fit a 99 Buick Avenue?

2 Answers

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  • bo
    Lv 7
    9 years ago
    Favorite Answer

    its a 4T65E transmission in it and years are 99-02 GM front wheel drive cars only. anything before or after years stated will not work computer and solenoids in transmission are different. also cannot use a transmission from a supercharged engine due to gear ratio differences

    Source(s): transmission man
  • Humveetech
    Lv 7
    9 years ago

    Either the Olds 88, 98 or the Pontiac Bonneville should be about the same. Just make sure the transmissions are the same though are you will run into issues with the PCM setting codes

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