TAT Express Inc
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Ignoring a coolant leak can lead to:
❌ Overheating
❌ Head gasket damage
❌ Warped cylinder heads
❌ Engine shutdowns
❌ Towing bills
❌ Lost loads
❌ Hotel stays and downtime
Most trucks give warning signs BEFORE catastrophic failure happens.
The problem is drivers wait too long.
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📞 TAT Express – Dallas Diesel Repair
972-225-3017
📍 Dallas, TX
05/29/2026
💨⚙️ Air Governor Replaced After Leak Was Found! ⚙️💨
During inspection, our technician found the air governor leaking, affecting the truck’s air system performance. To restore proper air pressure control and prevent further issues, the air governor was replaced. ✅🚛
💡 What does the air governor do?
The air governor controls when the air compressor cuts in and cuts out, helping maintain the correct air pressure throughout the truck’s air system. It plays a critical role in keeping the brake and suspension systems operating safely and efficiently.
⚠️ Possible causes of air governor leaks:
• Worn internal seals and diaphragms ⏳
• Moisture contamination in the air system 💧
• Corrosion and age-related wear 🔧
• Excessive compressor cycling 🚛
• Internal component failure over time ⚙️
👉 Symptoms drivers may notice:
• Audible air leaks or hissing sounds 💨
• Air pressure building too slowly 🚨
• Air compressor cycling excessively
• Inconsistent air pressure readings
• Low air pressure warnings on the dashboard
⛔ Why it’s important to repair a leaking governor:
A leaking governor can cause the air compressor to work harder than necessary, leading to increased wear on the compressor and other air system components. If left unrepaired, it may result in air pressure issues, brake system concerns, and costly repairs down the road.
🔍 Did you know?
The air governor is a small component, but it has a big job. A failed governor can create symptoms that mimic compressor or air system failures, making proper diagnostics essential.
✅ Replacing the faulty governor restores proper compressor operation, stable air pressure, and helps protect the entire air system. At TAT Express, our technicians perform detailed air system diagnostics to identify the root cause of air leaks and keep your truck operating safely and reliably.
📍 TAT Express – Dallas, TX
4140 Langdon Rd, Dallas, TX 75241
📞 972-225-3017
🔗 Find us on Google / https://tatexpressinc.com/ #
✅ Semi-Truck, Trailer & RV Repair Specialists
✅ Built on Integrity. Striving for Excellence
💨⚠️ Air Leak Found on Brake Valve During Inspection! ⚠️💨
During inspection, our technician found an air leak coming from a brake valve, causing air loss within the truck’s brake system. While it may start as a small leak, issues like this should never be ignored because the air brake system is one of the most critical safety systems on the vehicle. 🚛🛑
💡 What does a brake valve do?
Brake valves control and distribute air pressure throughout the brake system. They help ensure the correct amount of braking force is applied when the driver presses the brake pedal. Proper valve operation is essential for safe and reliable braking performance.
⚠️ Possible causes of brake valve air leaks:
• Worn internal seals and O-rings ⏳
• Moisture contamination inside the air system 💧
• Corrosion from age and environmental exposure 🔧
• Excessive vibration over time 🚛
• Internal valve wear from repeated use ⚙️
👉 Symptoms drivers may notice:
• Hissing air sounds near the valve 💨
• Slow air pressure buildup 🚨
• Air compressor running more frequently
• Low air pressure warnings on the dashboard
• Reduced brake system efficiency
⛔ Why it’s important to repair air leaks quickly:
Even a small air leak can force the compressor to work harder and longer to maintain system pressure. If left unrepaired, the leak can grow worse, affect brake performance, increase component wear, and potentially lead to DOT violations or unsafe driving conditions.
🔍 Did you know?
Many major air system failures begin as small leaks that could have been caught during routine inspections. Finding and repairing leaks early can save thousands in future repairs and prevent unexpected downtime.
✅ At TAT Express, our technicians perform detailed air system inspections to locate leaks accurately and keep your brake system operating safely, efficiently, and reliably.
📍 TAT Express – Dallas, TX
4140 Langdon Rd, Dallas, TX 75241
📞 972-225-3017
🔗 Find us on Google / https://tatexpressinc.com/ #
✅ Semi-Truck, Trailer & RV Repair Specialists
✅ Built on Integrity. Striving for Excellence
These are common warning signs drivers ignore before a major cooling system failure:
⚠️ Coolant dripping under the truck
⚠️ Low coolant warnings
⚠️ Constant coolant refills
⚠️ Hotter engine temps
⚠️ Squealing or grinding noises
The truck may still run — but coolant loss can escalate FAST under heavy loads.
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📞 Call TAT Express
972-225-3017
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Address
4140 Langdon Road
Dallas, TX
75241
Opening Hours
| Monday | 8am - 6pm |
| Tuesday | 8am - 6pm |
| Wednesday | 8am - 6pm |
| Thursday | 8am - 6pm |
| Friday | 8am - 6pm |
