Where is the manual transmission oil filler port for the Buick Excelle?

2 Answers
VanAngela
07/28/25 8:16pm
The manual transmission oil filler port for the Buick Excelle is located on the right side of the transmission at the position of the half-shaft. Simply loosen the screw marked with number 14 to fill the transmission oil. Here is some related information: 1. Transmission oil requires regular replacement: The manual transmission oil in the Buick Excelle needs to be replaced periodically because the transmission relies on the oil for cooling, lubrication, and hydraulic power transmission. If the manual transmission oil is used for too long, it will significantly degrade the performance of the transmission. Severely contaminated transmission oil can also lead to a series of transmission problems. 2. Transmission oil quality: If the quality of the transmission oil does not meet the requirements of the transmission, it can cause the transmission to continuously heat up during operation. This high temperature can cause the rubber components in the car to age and wear significantly, affecting the normal operation of the vehicle.
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DeKyle
08/12/25 1:04am
As a mechanic who frequently works with various car models, I recall that the fill port for the Buick Excelle manual transmission is usually located on the side of the transmission, near the front wheel on the driver's side—it's just a small bolt hole. You'll need to lift the car or secure it with a jack, locate the screw cap on the metal casing, and gently unscrew it with the right wrench to add transmission fluid. I've encountered many beginners who overlook the level plug and overfill, leading to leaks, so it's best to check the fluid level first—if it overflows, that means it's full. For safety, always engage the parking brake and ensure the ground is level when parked, or the car may slide. If the transmission fluid is degraded or there's noise, a full inspection for wear is necessary. I recommend using OEM-spec fluid and changing it every 2-3 years to prevent future issues.
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