how to maintain your diesel engine
- Roskyways
- Jun 9, 2022
- 5 min read
Updated: Jul 22, 2022

Introduction
Maintaining your diesel engine starts with knowing what kind of engine you have. That will help you keep it in top shape, and any questions about maintenance can be answered by a mechanic.
The biggest cause of wear on your diesel engine is caused by the fuel you put in it.
The biggest cause of wear on your diesel engine is caused by the fuel you put in it. The fuel quality is important, as is the service life of your oil and filter. Coolant changes are important too, as they protect against corrosion.
The service light reset feature helps you keep track of when to perform certain services (like oil changes), but its importance can't be overstated: it's there for a reason! If you don't reset it when needed, then all this time will have been wasted with unnecessary downtime while your vehicle has been parked in front of my garage!
You should also perform gearbox oil services at regular intervals—this keeps everything running smoothly so nothing breaks down unexpectedly later down the track! Differentials need servicing too; make sure you take good care of them so that they last longer than expected before needing replacement parts installed during costly repairs or overhauls."
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DIESEL FUEL FILTERS
One of the most important parts of your engine is your fuel filter. This special device cleans the diesel fuel before it enters into your engine and keeps it from getting clogged up, which can cause major problems for you down the road.
You should check and change your fuel filter every 6 months or after every 30,000km (18,640 miles). It's also recommended that you change them after each time you have an oil change, so be sure to keep an eye on when that happens!
If you're unsure how often to replace or clean yours out completely, ask a mechanic at a local shop like [your favorite mechanic](https://www.yelp.com/biz/your-favorite-mechanic) for advice about how often they recommend replacing this part on older models vs newer ones with better technology designed specifically for longer life expectancy in between cleanings (but still not as good as newer models).
Oil and Filter Changes
Changing your oil is an important part of maintaining your diesel engine and should be done every 3,000 miles. This interval can vary depending on how you use the vehicle and how often you drive it. If you do a lot of highway driving, then the oil could last for up to 7,500 miles between changes. If it’s mostly city driving with some freeway use, then the oil may need changing every 2 or 3 months—or sooner if the vehicle is driven frequently in stop-and-go traffic.
The cost of an oil change varies based on where you go and what kind of maintenance package they offer with their services. Most shops charge between KSH 2000-5000 per drain/fill procedure with most vehicles taking about 30 minutes to complete this process once they drop off their car at the shop and pick it up after lunch break when done (so plan accordingly!). In addition to changing out old dirty fluid with fresh new stuff, technicians also check other components such as filters before reinstalling everything back into place making sure nothing will leak during operation again down road once vehicle starts running smoothly again after its maintenance cycle completed successfully.
Coolant changes
The coolant level should be checked at every oil change. The coolant is what keeps your engine from overheating, so it's important to make sure you are always treated with the proper amount of coolant. You'll find that most diesel engines require you to use a special type of antifreeze called "diesel engine summer" or "diesel engine winter."
The way to check your fluid levels is by following these steps:
Make sure you have two plastic containers on hand (one large enough for the radiator cap and one small enough for a funnel).
Place the larger container under the truck's hood near where the radiator hose connects to it. This will catch any overflow when you remove your radiator cap.
Remove the reservoir cap from your cooling system using a wrench or screwdriver if necessary, then refill with fresh engine coolant until full based on manufacturer-recommended specs printed on top of reservoir tank lid). If there isn't a line marked for measurement purposes yet, fill up until fluid reaches just below line marked "Maximum Fill Level." Do not overfill beyond this point because doing so could cause damage down stream!
Service light reset, to suit individual requirements.
First, check your owner’s manual to see if there is a recommended time between services.
If the service light is on, have the vehicle serviced at an authorized dealer as soon as possible.
If you have not had your diesel engine serviced within the last month and the service light has not been reset (to suit individual requirements), or if you are unsure whether it has been reset, do not drive your vehicle until it is inspected by an authorized dealer.
Gearbox oil service, differentials service, A/C re-gassing and air conditioning diagnostics.
Gearbox oil service: The gearbox and differential oil services are performed to ensure that the lubricant remains in a good condition. If this isn’t done, there is a risk that the lubricant will break down and cause damage to your vehicle.
Differentials service: Differentials transfer power from one wheel to another so that both wheels turn at the same speed. They also prevent wheels from locking up or spinning during cornering, acceleration and braking. A differential goes through heavy stress when used for prolonged periods of time which is why it needs regular attention from us as well as checking for leaks.
A/C re-gassing: Your air conditioning system works by compressing refrigerant gas into a liquid state before it reaches a compressor where it becomes hot enough to change back into gas form which creates cooling within your car’s interior cabin area using its heat exchanger called an evaporator core located inside it; this process is called ‘refrigeration’ because refrigerants have very low boiling points compared with other substances like water vapor (at room temperature). Some systems use R134a but older ones use R12 which has been phased out by governments around the world due to environmental concerns such as ozone depletion potential (ODP), global warming potential (GWP) etcetera so if yours still uses R12 then we recommend having it re-gassed with new type instead; alternatively you could purchase an adapter kit from us which allows you continue using old style refrigerant until 2020 when all production will stop completely due to environmental law changes coming into effect at end 2020 deadline date expiration date deadline period ending today Dec 31st 2019!
You can maintain your engine by doing a few things at home
You can maintain your diesel engine by doing a few things at home or in the garage. You should regularly clean your diesel filter, change the oil and filter, change the coolant, reset service light and check gearbox oil level. You should also check differentials (if any) and re-gas AC (air conditioner).
Conclusion
We have discussed some of the reasons why your diesel engine may be giving you problems. While it is true that these engines are usually very reliable, they need regular maintenance in order to keep running smoothly. The most important thing you can do for your engine is to make sure it has clean fuel going in, so change out those filters often! After that, just keep up with regularly scheduled services and remember these tips when something goes wrong: "Always check your oil levels before starting up any vehicle and never drive without a functional cooling system."
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