As temperatures rise, diesel engines face challenges that can impact performance, fuel efficiency, and reliability. Here are three key areas affected by heat and how to prevent costly issues.
1. Overheating & Cooling System Strain
Warmer temperatures force the cooling system to work harder, increasing the risk of overheating and engine wear.
Solution:
- Regularly check coolant levels and radiator condition
- Clean or replace cooling fans for better airflow
- Use thermal imaging tools to detect hotspots early
2. Fuel & Oil Degradation
High heat breaks down oil faster, reducing lubrication, while fuel contamination from condensation and bacteria growth can clog injectors.
Solution:
- Use synthetic, high-temp-resistant oils
- Drain water separators and add biocides to prevent fuel contamination
- Monitor oil condition with regular analysis
3. Turbocharger & Air Intake Performance
Hot air is less dense, forcing the turbocharger to work harder, which can lead to reduced power and premature wear.
Solution:
- Clean and inspect air filters frequently
- Monitor boost pressure using diagnostic tools like Jaltest CV
- Watch for turbo lag or unusual sounds signaling issues
Final Tip
Preventative maintenance and the right tools can help diesel engines withstand extreme heat, ensuring peak performance all summer long.
Need tool recommendations for spring maintenance? Give us a call (317)-939-3690.