Blog Post

Choosing the right diesel engine oil starts with one rule: follow the engine manufacturer’s required viscosity and oil specification first. After that, look at how the truck is used, the climate it operates in, and how severe the duty cycle really is. For diesel...

There’s a lot of confusion around how often you really need an oil change. Some shops say every 3,000 miles, others say you can wait until 10,000. You’ve probably seen promotions like the five minute oil change or offers like the Take 5 coupon 25 oil change—but are...

A hard shift means your transmission is changing gears too abruptly instead of shifting smoothly. You may feel a jolt, bang, hesitation, or rough gear change, especially when accelerating, slowing down, towing, or shifting from 1st to 2nd. In most cases, a...

Choosing the right motor oil is about more than just viscosity—it’s about protection, performance, and preventing engine problems before they happen. One of the most important updates in recent years is the introduction of API SN PLUS and API SP classifications,...

Few things make a driver more uneasy than seeing the check engine light come on. Whether it appears after fueling up or during a routine drive, it often raises more questions than answers. Is it something serious? Can you keep driving? Should you pull over? This blog...

When your check engine light is flashing, it's more than just a mild warning—it's your vehicle’s way of shouting for help. Ignoring it can lead to serious damage, especially if you're noticing symptoms like poor acceleration, engine misfires, or rough idling. In this...

Your tires are one of the most important safety components on your vehicle. They keep you grounded—literally—and play a crucial role in braking, traction, and fuel efficiency. Whether your tires are brand new or have been in storage for a while, understanding how to...

Keeping a semi-truck in top condition is essential for safety, efficiency, and reducing costly downtime. Whether it’s long-haul trucking or local deliveries, heavy-duty vehicles require consistent maintenance and the right components to keep them running smoothly. In...

Roadside assistance is help sent to your location when a vehicle becomes disabled, unsafe to drive, or unable to continue operating normally. It usually covers common problems like a dead battery, flat tire, lockout, fuel delivery, minor roadside issues, or towing...

Choosing between Kenworth K270 & K370 for urban deliveries? Learn the key differences in engine power, payload capacity, and features to make the best choice for your fleet. S.E.R. Fleet Service in Sacramento, CA offers expert advice.   As urban areas grow...

Find the perfect tires for your truck's needs! Our guide compares top brands for highway, off-road, and winter driving, helping you choose the best tires for safety, performance, and fuel efficiency. At S.E.R. Fleet Services in Sacramento, CA, we understand that the...

Explore the impact of tire pressure on fuel efficiency in heavy-duty trucks. Learn how under-inflated tires increase rolling resistance, reduce fuel efficiency, and strain the engine. Discover the benefits of properly inflated tires, including improved fuel...

Explore the features and maintenance tips of the Peterbilt Model 389, the ultimate long-haul truck, in this informative blog post.   The Peterbilt Model 389 is widely regarded as the ultimate long-haul truck, delivering exceptional performance, reliability, and...

Keep your trucks running clean & compliant! Learn how to maintain aftertreatment systems (DPF, SCR, DOC) to reduce emissions, avoid fines & extend system life. Explore cleaning methods, regeneration processes, best practices & regulatory compliance.  ...

Prepare your diesel truck for winter with our comprehensive guide to winterizing the coolant system. Learn the impact of cold weather on diesel engines, potential risks of neglect, and key components of the cooling system. Follow our step-by-step winterization guide...

Conquer clutch problems in heavy-duty diesel trucks with our comprehensive guide. Learn about common issues like clutch slippage, dragging, and abnormal noises. Discover a systematic diagnostic approach and practical solutions for effective repairs and maintenance....

Proper wheel alignment might seem like a minor maintenance detail compared to engine repairs or transmission issues, but for heavy-duty trucks, it's a critical factor that affects everything from fuel economy to tire longevity and safety. Many fleet managers and...

In the world of commercial transportation, your heavy-duty trucks represent substantial investments that directly impact your bottom line. When these vital assets require maintenance or repairs, selecting the right repair facility becomes a critical business decision...