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Truck Maintenance Tips

Few vehicles take more abuse than trucks. Despite their durability, trucks are machines made of materials and moving parts that degrade over time. They require ongoing TLC — maintenance provided by trained professionals to keep those engines humming, the brakes grabbing, and your undercarriage free from rust. Here are 14 things to watch for with your truck and what to do when things go wrong.

1. Have a Plan to Combat Brake Wear And Failure

Brake failure is a common cause for accidents, which often result in vehicle damage, third-party injury and lawsuits. To avoid these potentially catastrophic results, be sure to establish a plan for having a professional service your brakes as part of your truck maintenance routine. The distance a truck can travel between brake service depends on the driving habits of the driver, but it's safest to have them inspected and maintained during every oil change.

Brake Repair


Maintenance Tips: Brake parts wear and need to be replaced on a regular basis. Brake shoe indicators that are built into the pads will tell you when to replace them. When you bring your truck in to replace the pads, your maintenance provider should also install new brake springs, pins and bushings. The drums should be replaced at the same time shoes are changed out because they wear down and can develop heat cracks.

Application pressure is a key to stopping your truck, so check the pressure gauge to be sure it reads at least 60 psi or greater — between 100 and 125 psi is ideal — before putting the truck to work. If pressure is consistently less than 100 psi, have the brakes checked.

Brakes have many components that need to be maintained on a regular basis, so be sure to have your maintenance provider grease the slack adjusters, check and grease the S cams, and check the linings and hoses.

2. Do Tests to Avoid Engine Problems

Engine and drivetrain problems will take your truck off the road faster than you can say “downtime,” so be on the lookout for signs such as excessive smoking, loss of oil pressure or a decrease in power. These are symptoms of an unhealthy engine and should be dealt with immediately, preferably by a professional such as Empire Truck & Trailer that can properly diagnosis the problem and make the appropriate repairs.

Maintenance Tips: For the engine, arrange to have your maintenance provider conduct periodic compression tests, which will provide a sense of how long the engine will last. Other maintenance checks include monitoring engine coolant and exhaust temperature and keeping an eye on oil and boost pressures. Have all rubber parts under the hood and the wheel alignment checked on a regular basis.

3. Prevent Body Problems

Body corrosion is a major reason why some trucks are retired earlier than others. Salt and other chemicals are common causes of rust. If you happen to drive in areas where winter roads are treated for snow and ice, the chances are high your truck’s body will corrode over time. You can’t prevent rust, but you can slow it down and extend the life of the vehicle by embracing these truck maintenance tips.

Maintenance Tips: Do the following to keep your truck’s body in top shape:

  • Paint chips bigger than the tip of a pen are perfect places for rust to begin and should be dealt with immediately. If your regular maintenance company doesn’t provide this service, find a reputable paint shop that will warrant its work.
  • Wash your truck every 10 days. Washing keeps contaminants from eating through the clear coat, paint, primer and bare metal. Also be sure to keep any drains clear of debris and wipe down the doorjams
  • Spray door locks with a lubricant such as WD-40 in colder weather before stowing your truck for the evening. This will protect the lock from moisture, which causes rust.
  • Wash your truck immediately following snow, sleet or rain. Snow and sleet mixed with road salt will corrode the chassis. Rain collects pollutants and deposits them as “acid rain,” which damages the protective finish.
  • This is a tough one, but it’s best to avoid driving through large puddles on roads and in parking lots. They collect contaminants along with abrasive dirt and grime, which can inflict heavy corrosion on your vehicle’s body and undercarriage.

4. Keep Abreast of Electrical System Issues

Newer trucks are more reliant on electrical systems to keep the engines running at peak efficiency or at all, for that matter. These newer vehicles use bundles of wires and many sensors to communicate with an onboard computer to keep their engines turning.

Maintenance Tip: Companies, such as Empire Truck & Trailer, that specialize in truck maintenance know how to diagnose and maintain the electrical components of your truck. Some things are best left to the pros — and maintaining and repairing electronics under the hood is one of them.

Electrical System Maintenance

5. Replace Parts that are Subject to Wear and Tear

Parts wear out and you replace them, right? Well, maybe not. Truck manufacturers eventually stop making parts for older models, and then you may be out of luck.

Maintenance Tips: Stockpile parts you know you will need, and buy parts with lifetime warranties. Here’s another tip. Some parts you might think don’t come with lifetime warranties actually do. Most brake pads, alternators, starters, and even oil seals come with warranties, so be sure to include them when making your parts list. Stockpiling may cost more in the long run, but the peace of mind that comes with knowing you’ll have them when you need them is priceless.

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6. Maintain Lubrication

Keep your truck lubed, using only high-quality grease on the suspension, steering, and drivetrain zerks. Failure to do so can lead to premature wear and costly breakdowns.

Maintenance Tips: Make sure that checking for leaks and slop in drivetrain parts is on your routine truck maintenance checklist. As a best practice, you should lube all applicable parts and fittings before each haul.

7. Be Wary of Short Trips and Extended Idling

Short trips and city driving are engine killers, and if you can’t avoid them be sure to prepare for them.

Maintenance Tips: Consider asking your maintenance provider to install a pre-luber system, which uses an electric pump to deliver oil to critical parts before the engine is cranked. Also consider a turbo timer, which senses how hot the engine is and keeps the engine running until it cools enough to shut down safely. Check this out for yourself by checking out the engine coolant temperature gauge the next time you turn off your truck. It’ll rise since the flow of cooling fluids has stopped.

8. Change Oil Regularly

On average, engine deterioration occurs every few thousand miles and that’s especially true for trucks that are constantly on the road. Every engine wears down eventually, but fresh oil prevents that from happening prematurely. Oil undergoes a thermal breakdown over time. As it fails, engine friction increases, raising the chances of total engine failure or a very expensive trip to a repair shop.

Maintenance Tips: Although most manufacturers recommend an oil change every 5,000 to 7,000 miles in reality the frequency varies based on the vehicle and the use of the vehicle. Some mechanics recommend more frequent oil changes, especially for trucks that receive heavy use.

Oil Change Recommendation

9. Avoid Diesel Particulate Filter Clogging

Environmental regulations have drastically changed the truck maintenance landscape over the past ten years. While emission-control technologies such as diesel particulate filters, selective catalytic reduction systems and diesel exhaust fluids are good for the environment, they are expensive to purchase, install and maintain — $3,000-$5,000 just remove and clean the diesel particulate filter by some estimates.

Still, regulations are regulations, so it pays, in more ways than one, to schedule regular maintenance checks on your truck’s emission control apparatus.

Maintaining the diesel particulate filter is an important part of your regularly scheduled diesel truck maintenance program for several reasons. If you ignore it, you risk more than just the cost to replace the filter:

  • Your truck could suffer a more costly engine malfunction or breakdown.
  • You could void your vehicle’s warranty.
  • You may fall out of compliance with state or federal air pollution regulations.


Maintenance Tips: Worn fuel injectors will result in the use of more fuel, which is costly to you. It also results in the generation and accumulation of soot in the fuel filter, which retards the filter’s effectiveness and affects the overall performance of the vehicle. Bottom line, your truck maintenance schedule should include repairing and replacing your fuel injectors at regular intervals as recommended by the manufacturer.

You’ll also want to have your maintenance provider check the turbocharger regularly for proper operation and wear. Turbochargers that don’t produce enough air or have leaky seals result in more soot or the occurrence of lube oil in the exhaust, which could put you out of compliance.

10. Inflate Tires to the Right Levels

Underinflated tires are a drag on fuel efficiency, and overinflated tires are a safety risk because they are more prone to blowouts or premature tread wear.

Maintenance Tips: According to the U.S. Department of Energy, you can save up to 3.3 percent on your fuel bill by keeping your tires properly inflate. To find the proper tire pressure for your truck, check your owner's manual or the markings around the rim of the tire.

 Tire Inflation Tip

11. Protect Against Worn Belts

Engine belts drive everything from the alternator to the air-conditioning compressor. The belts are rubber, and however strong, they break down over time. You don’t want your engine to break down while your truck is in motion. This will cause serious harm to the engine and could permanently damage some of the parts.

Maintenance Tips: Mechanics recommend getting your belts checked every 25,000 miles and replacing them around 50,000 miles. If you are looking at the belts yourself, check for small cracks in the rubber, which indicate the need to replace the belts.

Belt Replacement Tip

12. Check for Fuel and Storage Tank Contamination

Keeping your fuel and storage tanks free of contamination and moisture will keep your fuel flowing and engine purring.

Maintenance Tips: If you’re not using a professional maintenance provider, follow the manufacturer’s specifications for moisture control treatment to avoid water accumulation in the fuel. Water in the fuel can cause major engine problems, so eliminating the presence of water will ensure you can keep the wheels turning.

13. Monitor Coolant System Malfunction

Many premature engine failures are the result of improper maintenance of the coolant system, so it’s important to understand coolant types and adhere to the manufacturers’ requirements. Doing so will ensure the antifreeze keeps engine temperature in the right range and protects the cooling system from corrosion and rust.

Maintenance Tips: Keep the coolant system clean at all times, which includes replacing damaged or corroded components. Make sure you use the right type and amount of fluid. You’ll also want to pay attention to balance, coolant must be correctly diluted in order to maintain engine temperature, usually in a half-and-half coolant-water mixture.


Another important maintenance step is to conduct a proper coolant system diagnosis after use. The coolant filter grabs the dirt and other contaminants that are actually visible to the naked eye, so inspect the filter after taking it out to see if debris is slipping through and infiltrating the coolant system

Protect Your Truck and Business With Regular Maintenance Checks

Next to fuel and equipment, maintenance is one of the costliest aspects of the trucking industry. Simply keeping up with a routine is tough enough without also having to respond to expensive unanticipated emergencies.

You’ll be doing yourself a favor in the long run by establishing a regular maintenance plan with a professional, credible truck maintenance and repair company. Regular maintenance checks will not only reduce the costs directly related to repairing the truck, you’ll also achieve additional savings by avoiding safety regulation violations and unwelcome delays in making that next critical deadline. Contact us by phone at 888-616-4303 or online to schedule service or preventive maintenance for your truck.

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