# Will the automatic fluid type make a difference e in my 2003 Buick lesabre **URL:** \ **Category:** Maintenance/Repairs\ **Created:** [June 1, 2019, 9:08pm UTC](https://community.cartalk.com/t/will-the-automatic-fluid-type-make-a-difference-e-in-my-2003-buick-lesabre/141423 "2019-06-01T21:08:11Z")\ **Posts on this page:** 6\ **Page:** 1
**Author:** ![lesabre](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/lesabre/32/17221_2.png) [@lesabre](https://community.cartalk.com/u/lesabre)\ **Post date:** [June 1, 2019, 9:08pm UTC](https://community.cartalk.com/t/will-the-automatic-fluid-type-make-a-difference-e-in-my-2003-buick-lesabre/141423/1 "2019-06-01T21:08:11Z")
2003 Buick lesabre automatic v6 3800 dextron VI comes in many type the dealer gave me 10 -9118 yet other companies say any backward fluid will work , is this true to adding a conventional fluid. ---
**Author:** ![Mustangman](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/mustangman/32/44130_2.png) [@Mustangman](https://community.cartalk.com/u/Mustangman)\ **Post date:** [June 1, 2019, 9:09pm UTC](https://community.cartalk.com/t/will-the-automatic-fluid-type-make-a-difference-e-in-my-2003-buick-lesabre/141423/2 "2019-06-01T21:09:58Z")
Yes it is. Don’t over-think this. Dextron is backwards compatible. ---
**Author:** ![lesabre](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/lesabre/32/17221_2.png) [@lesabre](https://community.cartalk.com/u/lesabre)\ **Post date:** [June 1, 2019, 9:12pm UTC](https://community.cartalk.com/t/will-the-automatic-fluid-type-make-a-difference-e-in-my-2003-buick-lesabre/141423/3 "2019-06-01T21:12:49Z")
any type synthetic or conventional?? ---
**Author:** ![lesabre](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/lesabre/32/17221_2.png) [@lesabre](https://community.cartalk.com/u/lesabre)\ **Post date:** [June 1, 2019, 9:14pm UTC](https://community.cartalk.com/t/will-the-automatic-fluid-type-make-a-difference-e-in-my-2003-buick-lesabre/141423/4 "2019-06-01T21:14:53Z")
any type synthetic or conventional?? ---
**Author:** ![Mustangman](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/mustangman/32/44130_2.png) [@Mustangman](https://community.cartalk.com/u/Mustangman)\ **Post date:** [June 1, 2019, 9:15pm UTC](https://community.cartalk.com/t/will-the-automatic-fluid-type-make-a-difference-e-in-my-2003-buick-lesabre/141423/5 "2019-06-01T21:15:44Z")
Any type Dextron or universal synthetic or conventional is perfectly fine. My preference is Dextron VI Just don’t pour Mercon or Toyota or Honda spec ATF. > **[DEXRON | 2005 - DEXRON-VI(J)](https://en.wikipedia.org/wiki/DEXRON#2005_-_DEXRON-VI(J))** > > In a joint venture, Ford and GM collaborated on the development of a new 6-speed FWD transaxle (6T70/6F50). Both companies would share the designs and build their own transmissions. The design of these transmissions required a new fluid. > In 2005, Ford released the Mercon Low Viscosity (LV) fluid and GM released the Dexron VI specification. The fluid specification for Dexron-VI (J) was first used as the GM factory-fill automatic transmission fluid for the model year 2006. Roy Fewkes, GM Powertrai... ---
**Author:** ![lesabre](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/lesabre/32/17221_2.png) [@lesabre](https://community.cartalk.com/u/lesabre)\ **Post date:** [June 2, 2019, 6:34am UTC](https://community.cartalk.com/t/will-the-automatic-fluid-type-make-a-difference-e-in-my-2003-buick-lesabre/141423/6 "2019-06-02T06:34:29Z")
\*Thanks this explains a lot so I can use the Dextron VI in my 2003 Buick \*