In short: the 2018 Chevrolet Traverse typically uses a sealed 9-speed automatic with no user-accessible dipstick, so you generally cannot check the level yourself. If your specific model has a dipstick, the following steps apply.
Does the 2018 Traverse have a transmission dipstick?
Most 2018 Traverse transmissions are sealed and designed for service by a dealer or qualified technician. The exact configuration can vary by trim and production date, so consult your owner's manual or contact a GM dealership to confirm whether your vehicle has a conventional dipstick or a sealed system. If you locate a dipstick, it will usually be labeled for transmission fluid and located in or near the engine bay beside the transmission.
If your Traverse has a dipstick
Follow these steps to check the transmission fluid level safely and accurately.
- Park the vehicle on a level surface and set the parking brake. Start the engine and bring the transmission up to operating temperature as recommended in the manual.
- With the engine running, put the gear selector in Park (some manuals specify Neutral for the check; follow your owner's manual).
- Open the hood and locate the transmission dipstick. Pull it out, wipe it clean with a lint-free rag, reinsert it fully, then remove it again to read the level.
- Read the fluid level on the dipstick. The level should be between the ADD and FULL (or MIN and MAX) marks. If low, add the recommended ATF gradually through the dipstick tube using a small funnel until the level reaches the FULL mark.
- Use only the recommended fluid type (GM Dexron VI is standard for most GM automatics). Do not overfill, as overfilling can cause foaming and shifting issues.
- Inspect the fluid’s color and odor. If the fluid looks dark, smells burnt, or is contaminated, have it serviced promptly.
- After checking, wipe the dipstick clean, reinsert it fully, secure the cap, and close the hood. Look for any signs of leaks around the transmission area.
Regularly monitoring the fluid level and condition helps maintain smooth shifting and can prevent damage. Always refer to your owner’s manual for the exact procedure for your vehicle’s VIN and transmission configuration.
If your Traverse has a sealed transmission (no dipstick)
For sealed GM transmissions, the fluid level is not designed to be checked by the vehicle owner. If you suspect a problem or it’s time for service, rely on a GM dealer or certified technician. Here’s what you should know:
- There is no user-accessible dipstick in most sealed transmissions; level checks require specialized equipment and procedures performed by a technician.
- Common signs of transmission fluid issues include slipping, harsh or delayed shifting, abnormal noises, warning lights, or fluid leaks.
- Refer to the maintenance schedule in your owner’s manual for service intervals and use GM-approved fluids (Dexron VI) when a service is performed.
- If service is needed, the technician may drain and refill the transmission, replace the filter if applicable, and inspect for leaks or worn components.
- Avoid driving long distances or under heavy load if you suspect low or degraded transmission fluid, as continued operation can cause serious damage.
In most cases, the best course of action is to schedule service rather than attempting a DIY fluid level check on a sealed transmission. A dealership or qualified shop can perform the proper level check and fluid change using the correct GM specifications.
Maintenance and care tips
To keep the transmission in good condition, consider these best practices:
- Follow the maintenance schedule in your owner's manual for transmission service intervals.
- Use Dexron VI automatic transmission fluid as specified by GM for most 9-speed transmissions.
- Regularly inspect for leaks around the transmission pan and cooler lines, especially after service or repairs.
- Be alert to shifting anomalies, unusual noises, or warning lights; address them promptly to prevent further damage.
Summary
The 2018 Chevrolet Traverse often uses a sealed transmission that does not feature a user-accessible dipstick. If your model has a dipstick, use the standard procedure to check the level and add Dexron VI as needed, ensuring you do not overfill. If there is no dipstick, rely on GM’s service guidelines and have a dealer or qualified technician perform any level checks or fluid changes. Regular maintenance and attention to shifting symptoms help maintain transmission health and longevity.
Does Chevy Traverse have a transmission dipstick?
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How to check the transmission fluid on a 2018 Chevrolet?
How To Check Your Transmission Fluid – Automatic Transmissions
- Check the transmission fluid dipstick, which is not to be confused with the oil dipstick.
- The fluid on the dipstick should be pink.
- Wipe the dipstick clean and re-insert it.
- Take the dipstick back out and check the level.
Can low transmission fluid cause stuttering?
If shuddering occurs primarily between 30-45 mph, this suggests torque converter problems related to low fluid levels. This specific speed range often reveals transmission issues that might not be noticeable at other speeds.
Is there a recall on the 2018 Chevy Traverse transmission?
2018 Chevrolet Traverse Recall Transmission
GM will notify owners, and dealers will inspect the start-stop transmission accumulator and replace it if any bolts are missing, free of charge. The recall is expected to begin December 14, 2020.