How much transmission fluid does a 2008 Chevy Express 3500 hold?
The total transmission fluid capacity for a 2008 Chevy Express 3500 isn’t a single fixed number; it depends on the specific transmission installed. In general, plan on roughly 12 to 15 quarts for a complete fill, depending on the model and whether you count the fluid in the torque converter and cooler lines.
In practice, the 2008 Express 3500 was offered with at least two automatic transmissions: a lighter-duty 4L60-E and a heavier-duty 4L80-E. The exact capacity varies because these components (including the torque converter) hold fluid, and service procedures can differ between transmissions. To be precise, you’ll want the exact transmission code for your van.
Common Transmission Options for the 2008 Express 3500
Here are typical total fluid capacities, including the torque converter, for the two most common transmissions in this model year.
- 4L60-E — Approximately 12 to 13 quarts total.
- 4L80-E — Approximately 14 to 15 quarts total.
These figures reflect total capacity (pan plus torque converter and routing through the cooler lines). For an exact figure on a specific vehicle, verify the transmission code from the vehicle's VIN documentation or supervisor manual and consult the GM service literature for that code.
Practical service considerations
When performing a maintenance fill or drain-and-fill, follow standard GM procedures for the exact transmission code and use the recommended fluid (Dexron VI is commonly specified for GM automatics of this era). Always service on a level surface with the engine at operating temperature and ensure the vehicle is securely supported.
- Ensure the engine is at normal operating temperature and the parking brake is engaged on level ground.
- With the engine running (and transmission in Park), check the transmission fluid level using the dipstick or the level plug as specified for your transmission code.
- If draining, place a suitable pan beneath the transmission and drain only the amount permitted by your maintenance procedure; note the quantity that drains out.
- Refill gradually with the recommended fluid, stopping periodically to recheck the level on the dipstick according to the service manual’s procedure.
- Recheck for leaks after refilling and test-drive to ensure the fluid circulates and the level remains within the correct range.
For the most accurate guidance, consult your vehicle’s service manual or a trusted mechanic, especially to confirm the exact transmission code and the correct total capacity for your van.
Summary
The 2008 Chevy Express 3500’s transmission fluid capacity isn’t a one-size-fits-all figure. Expect about 12–13 quarts for a 4L60-E and about 14–15 quarts for a 4L80-E, with precise numbers depending on the exact transmission code. Always verify the code, use the recommended Dexron VI fluid, and follow the official service procedure for an accurate fill.
How many quarts does a 2008 Chevy Express take?
Oil Grade: SEO23
| Viscosity: | 5W-30 (All TEMPS) |
|---|---|
| Capacity: | 6 quarts (with filter). After refill check oil level. |
| Torque: | 18 ft/lbs (Oil Drain Plug) |
What kind of transmission fluid does a 2008 Chevy Express 3500 take?
Dexron VI Automatic Transmission Fluid
FRAM – Full Synthetic Dexron VI Automatic Transmission Fluid: 1 Quart (Part No. F426)
How much transmission fluid does a 2008 Chevy 3500 hold?
Automatic Transmission Fluid
Capacity: 7.4 quarts Initial Fill. DO NOT drain the fluid if only the transmission spin-on oil filter is being replaced.
How many quarts of transmission fluid does a Chevy Express 3500 take?
The transmission fluid capacity for a Chevy Express 3500 varies by model year and transmission type. For 6-speed transmissions (like the 6L90), a total fill is around 12.4 quarts with a cooler and 10.5 quarts without a cooler. For 8-speed transmissions (like the 8L90), a total fill is 11.4 quarts with a cooler and 10.9 quarts without. An initial fill for many models is approximately 6 quarts.
Transmission fluid capacity by transmission type
This video demonstrates how to change the transmission fluid in a Chevy Express 3500: 49sDairle Auto Classic Restoration RepairYouTube · Oct 26, 2022
- 6-speed (6L90):
- Total fill: 12.4 quarts (with cooler)
- Total fill: 10.5 quarts (without cooler)
- Initial fill: 6 quarts
- 8-speed (8L90):
- Total fill: 11.4 quarts (with cooler)
- Total fill: 10.9 quarts (without cooler)
- Initial fill: 7.4 quarts
Important considerations
- Initial vs. total fill: The initial fill is the amount needed for a basic refill (e.g., after a filter change), while the total fill is for a complete fluid exchange or flush.
- Cooler vs. no cooler: The presence of a transmission cooler can affect the fluid capacity, so it is important to confirm your vehicle's configuration.
- Fluid type: Ensure you use the correct type of transmission fluid specified for your vehicle, such as DEXRON-VI.
- Owner's manual: Always consult your vehicle's owner's manual for the most accurate information regarding your specific model year and configuration.
