How to Fix a Transmission That Won’t Stay in Gear

Experiencing issues with your vehicle’s transmission can be frustrating, especially when it refuses to stay in gear. A transmission that won’t stay in gear can compromise your safety and vehicle’s performance on the road. However, with the right knowledge and approach, you can diagnose and address this problem effectively before going to a transmission shop. Here is a comprehensive guide on troubleshooting and fixing a transmission that won’t stay in gear, helping you get back on the road with confidence.

Check Transmission Fluid Levels

Low transmission fluid levels can cause a variety of transmission problems, including difficulty staying in gear. Begin by checking the transmission fluid level using the dipstick. If the fluid is low, top it up to the recommended level and monitor for any improvements in gear engagement.

Inspect for Fluid Leaks

Fluid leaks can also contribute to a transmission that won’t stay in gear. Inspect the transmission and surrounding components for signs of leaks, such as puddles or drips underneath the vehicle. Common leak points include the transmission pan, seals, and cooler lines. Address any leaks promptly to prevent further damage to the transmission.

Test the Transmission Shift Solenoids

Faulty transmission shift solenoids can prevent proper gear engagement and cause shifting issues. Use a diagnostic scanner to test the functionality of the shift solenoids. If a solenoid is found to be malfunctioning, replace it with a new one to restore proper transmission operation.

Inspect Transmission Linkage

The transmission linkage connects the gear selector in the cabin to the transmission itself. Misadjusted or damaged linkage can result in difficulty staying in gear. Inspect the linkage for any signs of wear, damage, or misalignment. Adjust or replace the linkage as necessary to ensure smooth gear engagement.

Consider Internal Transmission Issues

If external components and fluids appear to be in good condition, internal transmission issues may be to blame for the problem. Internal issues such as worn clutch plates, damaged gears, or hydraulic pressure problems can cause difficulty staying in gear. In such cases, it’s best to consult a professional transmission technician for a thorough diagnosis and repair.

Dealing with a transmission that won’t stay in gear can be challenging, but with systematic troubleshooting and proper maintenance, you can identify and resolve the underlying issues. By following the steps outlined in this guide and addressing any issues promptly, you can restore smooth gear engagement and ensure the safe and reliable operation of your vehicle’s transmission. If you’re unsure or uncomfortable performing these tasks yourself, don’t hesitate to seek assistance from a qualified transmission shop like Rubio's Transmission. We are based in Bellflower, CA, so if you ever run into problems with your transmission, visit us ASAP or call us at (562) 991-0021.

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