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There have been various complaints about transmission problems in the GMC Savana 3500, including issues like rough shifting, slipping, and potential engine over-revving. These problems often stem from improper fluid maintenance. When the fluid is not well-maintained, it can lead to damage to the transmission bands and gears. A clogged transmission filter may impede fluid flow, potentially causing harm to the hydraulic pump. Furthermore, a malfunctioning speed sensor can impact the transmission's shifting performance. If you're experiencing transmission troubles, start by checking the fluid level. If it's low, refill it with DEXRON®-ViATF Full Synthetic Automatic Transmission Fluid. If the fluid level is fine, consult a certified technician for a proper diagnosis.
If your GMC Savana 3500 is experiencing transmission issues, you might observe symptoms like shaking or grinding during driving, a noticeable burning odor while the vehicle is running, slipping gears when shifting, unresponsive or stuck shifter, and leaking fluids. These signs could potentially result in a complete transmission breakdown, rendering your vehicle inoperable.