The Buick Lucerne typically requires about 11 quarts of transmission fluid for a full service, though a simple pan drain-and-fill uses roughly 4–6 quarts. Exact amounts vary by year and transmission variant.
Understanding capacity by service
The Lucerne’s automatic transmission is part of GM’s 4T65-E family, and fluid capacity depends on whether you replace the filter, drain the torque converter, or perform a full flush. Fluid should meet Dexron VI specifications.
Note: The following figures are general estimates for common Lucerne configurations; always verify with the vehicle’s service manual or a dealership service bulletin.
- Full transmission service (pan drop, filter replacement, and torque converter drain, if applicable): about 11 quarts.
- Drain-and-fill (pan only, no full converter drain or filter replacement): about 4–6 quarts.
- Professional flush (machine flush with specialized equipment): about 9–12 quarts.
After completing a service, check the transmission fluid level with the engine warm and the transmission in Park on level ground, adding small amounts as needed to reach the full mark on the dipstick.
Model-year and variant considerations
Most Lucerne models from 2006 through 2011 use the same general capacity, but variations in transmission variant, tubing routing, and dipstick design can alter precise amounts. Always consult the vehicle’s manual or GM service bulletins for the exact figure for your VIN.
Why capacity matters
Using too little transmission fluid can cause slipping or overheating, while overfilling can cause foaming and leaks. Accurate measurement helps protect the transmission’s longevity.
Summary: For most Buick Lucerne models, plan on about 11 quarts for a full service, about 4–6 quarts for a basic drain-and-fill, and verify exact figures with the owner’s manual or dealer information based on year and transmission variant.
How much transmission fluid does a Buick Lucerne take?
For Automatic Transmission: 4T65-E....AF6
| Capacity: | 4 speed 4T65-E Total Fill 13.4 quarts. |
|---|---|
| Capacity: | 7.4 quarts Initial Fill. |
What transmission fluid does a 2007 Buick Lucerne take?
5 Liters; ATF64 or ATF44; ATF64, Clutch Fluid; ATF64, w/ Trans.
What transmission fluid does a 2008 Buick Lucerne take?
FRAM – FRAM Full Synthetic Dexron VI Automatic Transmission Fluid, 1 Gallon (Part No. F426-1G)
How many quarts of transmission fluid do I need for a drain and fill?
Procedure. That's 2 and 1/2 quarts. So at this point let's measure it i'm going to remove my funnel. And before I install the dipstick. I just wanted to show you how to check it. So on the dipstick.