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In the diesel world, "blow-by" is a term you're bound to run across at some point if your line of work involves diesel-powered vehicles of any kind. What is blow-by, what causes it, and how concerned should you be? At Garcia Automotive Service in Greenville, TX, our fleet maintenance and diesel technicians see it on a regular basis. Here we'll take a quick look at blow-by, correcting it, and preventing it.

What is Blow-By? - Diesel blow-by is a term that describes an event of lost compression into the crankcase. Blow-by occurs whenever a burnt or unburnt fuel and air mixture escape from the cylinder and past the piston rings and into the crankcase. In a perfect world, the piston would be sealed tightly in the cylinder, able to move up and down but keeping all the air and fuel and exhaust that enters or exits the cylinder during the combustion process out of the crankcase. As you'll see, this perfect world doesn't exist, but it is important to minimize the amount of blow-by in a diesel engine.

fleet cars

Fleet operators know that a day’s work can burn through a lot of fuel. When it comes to multiple vehicles, even a slight change in the way vehicles are used can make a huge difference towards saving fuel, and money as a result. Whether you manage diesel trucks, fleet cars, or both, a little bit of effort can sometimes go a long way.Garcia Automotive Service in Greenville, TX has a few tips you can use to keep fuel consumption low, that you may be interested in implementing throughout your fleet.

photo of a battery

If you’re ever in a situation where you must remove the battery from your vehicle, it’s important to know what you’re doing. It seems pretty straightforward, and it is. However, there are some important things to remember when disconnecting the battery in your car, truck, or SUV. Here are some tips on disconnecting a car battery, from Garcia Automotive Service in Greenville, TX.

Dirty Hands Working on a diesel truck engine

Keeping your fuel system maintained will prevent premature parts failure and poor running conditions. Here are some important aspects of diesel fuel system maintenance, to keep your fleet running smoothly. While your system and components should typically be serviced by a professional technician, there are some things you can be conscious of that will go a long way toward keeping your engine in good shape.

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Routine maintenance can lead us to discover all kinds of things you would think are obvious but as drivers with a routine, we simply get in and drive. We may think that if the lights come on and the car starts there are no issues, but at Garcia Automotive Service in Greenville we know what to look for and when to ask questions.  When your vehicle is pulling to one side there are several possibilities.

car taillights

If your brake lights are giving you trouble, it’s something you want to get fixed. It’s a safety hazard, and you might also get a ticket out of it. Why aren’t they working, and what can you do about it? Garcia Automotive Service in Greenville, TX has the answers.

alighnment machine

If you've been driving for any amount of time, you’re probably aware that your car, truck, or SUV needs a wheel alignment on occasion. However, did you know that depending on what you drive, your rear wheels may also require attention? Here’s what you need to know about rear wheel alignments, from Garcia Automotive Service in Greenville, TX.

family driving in car

If you're prepping to go on a road trip, you need to be sure that your vehicle is ready for the journey. An unmaintained vehicle could be the difference between a good trip and a trip that goes south really quickly. Here at Garcia Automotive Service, we want to remind you of some things to do so you and your vehicle are ready for the road. 

1. Get a Pre-Trip Mechanical Inspection - Is it overkill to have a technician give your car a pre-trip once over? Not if it saves you from disaster on the road, and we'd rather be safe than sorry. Here at Garcia Automotive Service, our mechanics should be able to identify any significant components that are on their last legs. Even if your car comes back with a clean bill of health, there's a lot of value in having that peace of mind.

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