What to do if your transmission overheats
An overheating transmission is a serious issue that can lead to significant damage if you don’t address it promptly. Recognising the signs of an overheating transmission and knowing how to respond can save you from costly repairs and keep your vehicle running smoothly. Here’s a step-by-step guide on how to handle an overheating transmission and prevent future occurrences.
Signs of an overheating transmission
It’s important to be aware of the warning signs that your transmission is overheating, so you can react quickly if it happens. Common symptoms include:
Burning smell: A noticeable burnt odour coming from the engine or transmission area.
Slipping gears: The transmission slips out of gear or struggles to stay in gear.
Unusual noises: Whining, clunking, or humming noises when the vehicle is in gear.
Delayed shifting: Hesitation or delay when shifting between gears.
Transmission warning light: The transmission or check engine light on your dashboard comes on.
Your step-by-step guide to handling an overheating transmission
Step one: Pull over safely
As soon as you notice any signs of your transmission overheating, pull over to a safe location. Continuing to drive with an overheating transmission can cause severe damage to the internal components.
Step two: Turn off the engine
Once you’ve pulled over, turn off the engine immediately. This allows the transmission to cool down and prevents further overheating.
Step three: Check the transmission fluid level
After allowing the vehicle to cool for a few minutes, check the transmission fluid level. Low fluid levels can cause overheating. Refer to your vehicle’s owner’s manual for instructions on how to check the fluid level properly.
Step four: Inspect the condition of the transmission fluid
While checking the fluid level, also check the fluid’s condition. Healthy transmission fluid should be a clear, reddish colour and have a slightly sweet smell. If the fluid appears dark, burnt, or has a strong odour, it may need to be changed: Read more: What does the transmission fluid colour mean?
Step five: Add transmission fluid if necessary
If the fluid level is low, add the appropriate type of transmission fluid recommended by your vehicle manufacturer. Be careful not to overfill, as too much fluid can also cause problems.
Step six: Allow the transmission to cool completely
After addressing the fluid level, allow the transmission to cool completely before attempting to drive again. This may take 30 minutes to an hour, depending on the severity of the overheating.
Step seven: Drive carefully to a repair shop
If the transmission seems to be functioning normally after cooling down, drive carefully to a repair shop for a thorough inspection. Avoid aggressive driving, towing heavy loads, or driving in stop-and-go traffic until the issue is resolved.
Step eight: Seek professional diagnosis and repair
A professional mechanic can diagnose the cause of the overheating and recommend appropriate repairs. This may include replacing worn-out components, repairing leaks, or flushing and replacing the transmission fluid.
Get us to check your transmission.
At Kaspa, we are transmission specialists and have been fixing them since they first became popular in New Zealand. We have the latest diagnostic equipment and tools to ensure the best possible outcome for your car. Get in touch if you’d like us to diagnose your transmission problems.
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Preventing future transmission overheating
Regular maintenance
Regular maintenance is crucial for preventing transmission issues. Follow your vehicle manufacturer’s recommended maintenance schedule, including transmission fluid changes and inspections.
Monitor transmission fluid levels
Regularly check your transmission fluid levels and top up as needed. Address any leaks immediately to prevent fluid loss.
Install an auxiliary transmission cooler
If you frequently tow heavy loads or drive in hot climates, consider installing an auxiliary transmission cooler. This device helps dissipate heat and keeps the transmission at a safe operating temperature.
Avoid heavy towing and overloading
Avoid towing loads that exceed your vehicle’s towing capacity or overloading your vehicle. Excessive weight can put additional strain on the transmission and cause it to overheat.
Use the right type of transmission fluid
Always use the type of transmission fluid specified in your vehicle’s owner’s manual. Using the wrong fluid can lead to overheating and other transmission problems.
Install a transmission temperature gauge
A transmission temperature gauge can help you monitor the transmission’s operating temperature in real-time. This allows you to take preventive action before overheating occurs.
If you think your transmission is overheating, we can help. The team at Kaspa has been servicing transmissions since 1976, and we have the latest diagnostic equipment to diagnose your transmission troubles correctly, the first time. Prevent costly damage by booking your car in for a Kaspa transmission service today.
