Common Problems Found In 2003-2004 Dodge Ram Diesel Trucks

Dodge had it coming when they rolled out this beast. If you're looking for fuel efficiency, you'll be lucky to squeeze 11 mpg out of this powerhouse. But don't let that stop you — it was one of the fastest trucks ever tested by Consumer Reports. If you're handy and want to save money, fixing common issues yourself is a great way to keep your truck running strong. Just make sure you do it right.

Weak Brakes

These trucks were sent out with some serious brake issues. The factory brakes weren’t built to handle heavy towing or full-load hauling. If you're replacing the brakes yourself, pay close attention to which side you install the calipers on. Getting them reversed can cause the bleed port to be in the wrong spot, leading to air trapped in the system and a soft or spongy brake pedal. Don’t cut corners on quality parts — with a truck that hauls and tows over 3 tons, you need reliable, durable brakes to stay safe on the road.

Airbag Recalls

If your truck hasn’t been fixed for the airbag recalls, now is the time to take action. These airbags can deploy unexpectedly or even rupture, sending dangerous metal shrapnel into the cabin. It’s not worth the risk — these recalls are serious. Fortunately, dealerships will fix them at no cost to you. Don’t ignore them; safety should always come first.

Pump Problems

It's not just the gas pump that can cause trouble. Lift pumps and water pumps tend to fail before reaching 100,000 km. Most often, the lift pump is the first to go. Don’t worry about damaging the CP3 during diagnostics — it operates independently. However, if your lift pump is in-tank, removing it can be a real challenge. It’s a job best left to someone with experience, or at least someone who knows what they're doing.

Let us help you diagnose the issue properly before jumping into a big repair. We’ve got the tools and expertise to handle everything from small fixes to major overhauls. Whether it’s routine maintenance or something more complex, we’re here to help.

Looking for more power?

If you want to boost performance, our partner company 3K Calibrations specializes in ECM tuning for diesel vehicles. They also offer expert troubleshooting for EGR, DPF, and UREA system issues. Whether you're looking for better fuel economy, more torque, or improved reliability, they have the solutions you need.

Want to find out more about available ECM tunes?

Give us a call today and let’s talk about how we can get your truck performing at its best.

604-799-3835

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