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How The Unit Pump System Works In The Mack E7
Here at Highway & Heavy Parts, we pride ourselves on our extensive diesel engine knowledge and…
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How To Avoid Improper Installation Of VGT Turbochargers
When you spend the time and money to replace a part on your diesel engine, we…
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How to Build a Strong Reputation as a Diesel Repair Shop
A technical guide explaining how diesel repair shops build long-term reputations through quality repairs, diagnostics, communication,…
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How To Check For Caterpillar 3406E/C15 Fuel In Coolant
If you’re running a C15 or 3406E diesel engine, you may have experienced your engine missing.…
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How to Choose an Engine Rebuild Kit
An engine rebuild is a large and expensive job, and choosing the right kit can seem…
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How to Clean EGR Pressure Ports in Diesel Engines (Without Causing Damage)
A technical guide on cleaning EGR pressure ports, including best tools, methods, and common mistakes to…
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How to Diagnose Diesel Engine Belt Noise
A technical guide explaining how to diagnose diesel engine belt noise, including squeal, chirp, pulley alignment,…
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How to Diagnose Diesel Engine Belt Noise: Identifying Pulley, Tensioner, and Accessory Failures
Diesel engine belt noise can point to tension, alignment, or bearing problems. Learn how to diagnose…
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How to Diagnose Diesel Engine Noise While Under Load
Are you having a problem with noise in your diesel engine? It’s one of the most…
