How do you fix black smoke on a diesel engine?

Black smoke from a diesel engine is often an indication of incomplete combustion, which can result from a Different of problems. Here are some common causes and potential solutions to fix black smoke on a diesel engine:

• Air Filter: A clogged or dirty air filter can restrict the airflow into the engine, leading to incomplete combustion. Inspect and replace the air filter if necessary.
• Fuel Injectors: Malfunctioning or dirty fuel injectors may spray an uneven or excessive amount of fuel into the combustion chamber, causing black smoke. Cleaning or replacing the fuel injectors may resolve the problems.
• Fuel Quality: Poor-quality or contaminated fuel can contribute to incomplete combustion. Use high-quality diesel fuel from reputable sources to avoid problems related to fuel quality.
• Turbocharger Problems: Problems with the turbocharger, such as a malfunctioning waste gate or a stuck variable geometry turbo, can affect air intake and combustion. Check and repair or replace the turbocharger parts as needed.
• Excessive Fuel Supply: Adjusting the fuel supply to the engine may be compulsory. This can involve adjusting the fuel injection timing, inspecting the fuel pump settings, or addressing problems with the fuel pressure regulator.
• Cylinder Compression: Low cylinder compression can result in incomplete combustion. Perform a compression test to identify any problems with the cylinders and address any leakages or malfunctions.
• EGR System issues: The Exhaust Gas Recirculation system is designed to reduce emissions, but if it malfunctions, it can lead to incomplete combustion. Inspect the EGR valve, cooler, and associated parts for proper functioning.
• Timing Problems: Incorrect ignition timing can contribute to black smoke. Ensure that the engine's timing is set properly, and adjust if compulsory.
• Air in the Fuel System: Air in the fuel lines can disrupt proper combustion. Inspect for air leaks in the fuel system, including at the fuel filter and connections. Bleed the fuel system if needed.
• Engine Overloading: Overloading the engine by demanding too much power without corresponding airflow or fuel adjustments can lead to black smoke. Operate the engine within its designed load capacity.

The best thing for you to do when you want to know how do you fix black smoke on a diesel engine is to Request an appointment with a trusted diesel engine mechanic so they can get to the root of the issue as soon as possible.

When should transmission fluid be changed?

The timing for changing transmission fluid can vary depending on several factors, including the type of transmission, driving conditions, and the manufacturer's recommendations. In general, here are some guidelines for when to change transmission fluid:

1. Follow the Manufacturer's Recommendations: The best guidance on when to change your transmission fluid is often provided in the car's owner's manual. Manufacturers typically specify the recommended maintenance schedule, including when to change the transmission fluid.
2. Normal Driving Conditions: For vehicles that undergo normal driving conditions, which means mostly highway driving with minimal stop-and-go traffic, the recommendation might be to change the transmission fluid every 30K to 60K miles.
3. Severe Driving Conditions: If you often drive in severe conditions, such as heavy traffic, towing heavy loads, or driving in extreme temperatures, the transmission fluid may need more frequent changes. Severe driving conditions can lead to higher operating temperatures, putting more stress on the transmission fluid.
4. Inspect the Fluid: It's a good idea to periodically check the transmission fluid. If it appears discolored, has a burnt smell, or has particles in it, it may be an indication that the fluid wants to be changed.
5. Transmission Issues: If you experience transmission problems such as slipping, rough shifting, or delayed engagement, it's advisable to have the transmission fluid checked and possibly changed. However, changing the fluid alone may not always solve underlying transmission issues, and a more thorough inspection may be compulsory.

It's important to note that some modern vehicles come equipped with sealed transmissions, and the manufacturer may claim that the fluid is "lifetime" and doesn't need to be changed. However, opinions on this can vary, and some automotive specialists recommend that changing transmission fluid, even in sealed systems, can contribute to longer transmission life.

Wondering when should transmission fluid be changed?  Call our ASE Certified mechanics at Auto & Fleet Mechanic for more information about transmission repair services and to request an appointment. Our auto repair shop proudly serves residents in Modesto, CA, and the surrounding area.

What does vehicle maintenance consists of?

You’re the proud owner of a vehicle and with that comes some responsibility. What exactly does that consist of though? To keep a vehicle in operating order some monthly maintenance needs to be completed so it to not break down and wind up with a lengthy repair bill in an auto shop. Let's talk more about what car maintenance means for your vehicle and how to deal with your car maintenance. 

What does vehicle maintenance consists of? Here's a breakdown of what vehicle maintenance typically includes:

1. Regular Inspections: Routine visual checks of various parts such as lights, tires, fluid levels (oil, coolant, transmission fluid, brake fluid, power steering fluid), belts, hoses, and batteries.
2. Oil Changes: Regularly changing engine oil and oil filter to ensure proper lubrication of the engine's moving components.
3. Fluid Inspection and Replacements: Inspection, topping up, or replacing various fluids in the vehicle, including coolant, transmission fluid, brake fluid, power steering fluid, and windshield washer fluid.
4. Tire Maintenance: Rotating tires to promote even wear, inspecting tire pressure, and inspecting tires for signs of damage or wear.
5. Brake System Inspection: Inspection brake pads, rotors, brake fluid levels, and the overall condition of the braking system for safety and functionality.
6. Air Filter Replacement: Replace the engine air filter to ensure proper air intake and engine performance.
7. Battery Maintenance: Inspection of the battery terminals for corrosion, ensuring a secure connection, and inspection of the battery's overall condition.
8. Timing Belt/Chain Replacement: Replacing the timing belt or chain according to the manufacturer's recommendations to prevent engine damage.
9. Spark Plug Replacement: Replacing spark plugs at recommended intervals for optimal engine performance and fuel efficiency.
10. Suspension and Steering Inspection: Inspection of the suspension system, including shocks, struts, and steering parts, for wear, leaks, or damage.
11. Cooling System Maintenance: Checking the radiator, hoses, and thermostat, and flushing the coolant as recommended.
12. Exhaust System Check: Inspection for leaks, damage, or rust in the exhaust system to maintain proper emissions and performance.
13. Drive Belts and Hoses Inspection: Inspecting drive belts and hoses for wear, cracks, or damage and replacing them when compulsory.

Wondering about what does vehicle maintenance consist of? Contact our ASE Certified technicians at Auto & Fleet Mechanic for more information about car maintenance and to schedule an appointment. Our auto repair shop proudly serves residents in Modesto, CA, and the surrounding area.

What are the signs of bad brakes?

One of the most critical safety features for any car is ensuring the brakes are working properly. For this reason, knowing what are the signs of bad brakes of the essence for every driver. Below are some of the most common signs of bad brakes.

1. Brake Lights On

If your vehicle's brake warning light on the dashboard comes on, it's an indicator of potential problems. Parking brakes can trigger the alert in some vehicles, but if it persists after disengaging the brake, it's time to act. 

2. Squealing Sounds

When your brake pads wear out, an indicator makes a really irritating noise. The noise is more evident when you depress the brake pedal. This noise can also be caused by rust over your brake pads. However, since it is hard to tell the difference, it's advisable to have the pads checked to ensure your safety. 

3. Vibration When Braking

If you feel a vibration or pulsation through the brake pedal or steering wheel when the brake pedals are pressed, it may indicate warped brake rotors. This can affect braking performance and should be addressed promptly.

4. Visible Wear-and-Tear

The question of what are the signs of bad brakes can also be answered by visual inspection. The condition of your car brakes tells a lot about the functionality of your brakes. If the pads are a quarter-inch thick, it's time to replace them. 

5. Leaking Brake Fluid

There are a lot of things that take place every time you apply your brakes. One of the processes is the creation of hydraulic pressure by the brake fluid. Without sufficient brake fluid, your car might not stop safely. Brake fluid decline can be natural or due to leakage, requiring professional attention.

Your car might demand regular brake replacement if you drive it more often. Delay in servicing your car puts you and other road users at hazard. Have your car serviced regularly for your safety and durability.

Need to know what are the signs of bad brakes? Call our ASE Certified mechanics at Auto & Fleet Mechanic for more information about brake replacement and to request an appointment. Our auto repair shop proudly serves residents in Modesto, CA, and the surrounding area.

How often should you get your brakes done?

How often should you get your brakes done? It is best to do a brake repair periodically to be safe on the roads. When you go for a brake replacement service, your car's brakes will be cleaned, lubricated, and resurfaced to help them be reliable for your safety on the road. You should understand various things to know how often you should get your brakes done. First, some car manufacturers usually tell you how long you should take before doing a brake repair. Most recommend that you check your brakes after about every 4-6 months or 5,000-7,000 miles.

Second, you know it is time for a brake repair if you start hearing excessive vibrations or unusual noises when applying the brakes. It is a sign that you should repair your brakes as soon as possible to avoid brake failure while driving. However, most auto shops check brakes every time the wheels are ejected from your vehicle. Others check brakes at every oil change, considering the interval between which you change your vehicle's oil. It is best that the brake specialist measures the brake pad's thickness, ensures that the caliper guide pins and the pads are lubricated and clean, and that they clean the rotors. Replace your car's rotors after about 50,000-70,000 miles.

How often should you get your brakes done is a common question most people ask themselves, considering the costs involved. The average cost of purchasing new brake pads is from $35-$150. The total replacement cost of brake pads may be between $115 and $300, depending on the type of vehicle. Brake technicians can check your brakes and tell you how many miles they will last before you do a brake repair.

You might not be thinking about brake repair services very often, but when you do, it's usually because your brakes are starting to feel shaky or the warning light on your dashboard just came on! With so much going into ensuring that our cars run smoothly—from oil changes to air filters—it makes sense that car owners don't always keep an eye out for their brake service needs. But if you ever need extra preventative maintenance, it's good to know how often to get your brakes done.

1. How Often Should You Get Your Brakes Done?

Cars' brakes are made of two major components: the brake pads, which grab the car's rotors and slow the automobile, and the brake calipers, which press against the pillows to squeeze on them. Brake pads and calipers go through a lot of wear and tear over time; as they do so, they get drier and less effective at slowing your car down. While there are no hard-and-fast rules regarding how often you should contact your brakes, the general rule is that they need to be replaced whenever they're made less effective than ten percent of their original power. When it's time for your brakes to be serviced, work with a shop you trust—an independent mechanic, for instance. Your car's braking system is critical, and you need to ensure that the technicians who handle it are well-trained and experienced.

2. How Much Does Changing Your Brakes Cost?

Your car's brakes are essential to every driving experience, so they're an oversized ticket item for brake service. While the cost of your brake service will vary depending on various factors—from the car you have to what type of labor is involved—it's hard to pin down an exact amount. Generally speaking, you should be looking at a few hundred dollars for an emergency brake replacement and about $300 for a brake job.

Need to know more about how often should you get your brakes done? Call our ASE Certified mechanics at Auto & Fleet Mechanic for more information about brake repair services and to request an appointment. Our auto repair shop proudly serves residents in Modesto, CA, and the surrounding area.

What Can Cause a Diesel Engine Not To Start?

You have almost made it through the warm days of summer with your diesel vehicle.  But all of a sudden, it‘s getting harder and harder to start your diesel engine, but yet you dread having to face a diesel repair.  Did you know that hot temperatures can present a different set of issues than cold temperatures when it comes to diesel engines. For example, cold temperatures require a different grade of fuel, the glow plugs could accumulate a lot of carbon and go bad, and the oil can become cold and thick.  

Why can a diesel engine be hard to start in hot temperatures?  The following may be some problems that are causing starting issues:

• Fuel Delivery 
• The injector timing may want to be adjusted.
• There could be air in the fuel from leaks in fuel lines.
• The fuel filter may be clogged.  This filter should be replaced between every 20K to 40K miles, depending on your driving conditions.
• It may be time to change the fuel pump. 
• Fuel Injectors – If you notice a rough idle, loss of power, and white smoke in the exhaust, your fuel injectors might be dirty. Black smoke in the exhaust could indicate a leaking fuel injector.
• Contaminated Fuel – Diesel fuel is an ideal environment for some germs. The warmer the temperatures outside, the faster the germs grow. If you notice a sulfuric odor or green coating in the fuel tank, drain and clean it with a biocide.  The fuel lines and injection pump may also want to be treated.  The next time you refill the fuel tank; add a little more biocide to prevent germs from forming.
• Sludge deposits – Sludge Deposits from dirty oil have built up in the engine block and lines.

Tip to Remember:  Don’t guess what could be the cause of your starting issues, but ask your certified diesel repair mechanic to scan your engine for trouble codes that can help pinpoint the root cause. Many diesel repairs may be simple and inexpensive, such as changing a dirty filter.  Other repairs can be expensive and time-consuming, such as replacing injectors.  

Wondering what can cause a diesel engine not to start?  Call our ASE Certified mechanics at Auto & Fleet Mechanic for more information about diesel repairs and to request an appointment. Our auto repair shop proudly serves residents in Modesto, CA, and the surrounding area.

What Does Transmission Service Include?

Inappropriately, auto shops report that many vehicle owners don’t think about their vehicle’s transmission until they find themselves broken down on the side of the road.  Transmission repair can be very expensive, so take the initiative by scheduling a transmission service before you start noticing issues, such as gears slipping, jerky shifting, or an overheating transmission.  

Compared to the cost of a major transmission repair, taking care of basic service items is relatively inexpensive and easy to schedule.  So what does transmission service include?  Here is a list of basic transmission service items:

• Manual transmissions will need to have the clutch pedal checked and adjusted regularly, 
• For all vehicles, auto mechanics may recommend an inspection of the transmission fluid at least once a year.  It may just need to be topped of, or depending on its condition, it may need to be completely flushed, 
• The sump pump or pan should be checked and cleaned,
• The filter should either be cleaned or changed as needed, and
• The pan gasket should be replaced

If you’re facing a major transmission repair, your auto mechanic can clarify the following problems before starting work: 

• Is the transmission still covered under the manufacturer’s guarantee, and if so, does it cover components and labor, or just components? 
• If you have an older vehicle with lots of miles, is the value worth the cost of the transmission repair.  
• Will the repair provide more years of trouble-free operation, or is it just buying a little time until the next breakdown?
• Are there options for transmission repair that vary in cost and long life?  Here are a few options to ask about; install a new transmission, a rebuilt one, or a remanufactured transmission.  Chose the transmission repair option that best suits your budget and time.

A word of advice:  It is smart to check the level of transmission fluid regularly (such as at every oil change or tire rotation).  It may only need to be topped off or flushed.  It is important to understand that transmission in tip-top condition is crucial for the operation of your vehicle.

Wondering what does transmission service include?  Call our ASE Certified technicians at Auto & Fleet Mechanic for more information about transmission repair services and to request an appointment. Our auto repair shop proudly serves residents in Modesto, CA, and the surrounding area.