Mechanic's tips for vehicle maintenance oil, filters, service intervals
When to change oil and filters, how to prep for winter and summer, what to check before a long trip. Maintenance tips from 30 years of workshop practice.
Routine maintenance from experience
A good driver does not wait for something to break - regular maintenance is the cheapest way to keep a car running long and reliably. Here we collect advice from 30 years of workshop practice in Banja Luka: what to change and when, how to prep a car for seasonal changes and which signs say it is time for service before a bigger problem appears.
How to Inspect a Used Car Before Buying — A Mechanic's Perspective
Oil on the cap, exhaust smoke, cold-start knocking, and leaks underneath: a practical mechanic's checklist for inspecting a used car before handing over your money.
Read guide →Start-stop system, how it works and whether it harms the engine
Start-stop sometimes does not kick in, so drivers think the car is broken. What the system actually checks, whether it's harmful, and when it makes sense to switch it off.
Read guide →When to Replace Windshield Wipers and How to Pick the Right Blades
How to spot worn wipers, the differences between conventional, flat and hybrid blades, how long they last, and why a winter blade is not the same as a summer one.
Read guide →Manual Gearbox Oil: When to Change It and How to Spot Wear
A manual gearbox does not really have 'lifetime' oil. When to change it, which oil goes into which gearbox, and the symptoms that tell you it is time.
Read guide →Headlight bulbs H4 and H7 and what passes the safety inspection
Which bulb goes in your headlight, the difference between H4 and H7, why most LED swaps fail the safety inspection, and how to change a bulb properly yourself.
Read guide →Wheel alignment, when to do it, symptoms and what gets adjusted
When to do wheel alignment, symptoms of bad alignment and what the machine actually adjusts (toe, camber, caster). A practical guide for drivers in BiH.
Read guide →Engine air filter and when to change it by condition and mileage
A practical guide to the engine air filter: replacement intervals, symptoms of clogging, impact on fuel consumption and power, and why sport filters aren't an everyday solution.
Read guide →When to Change the Cabin Pollen Filter and How to Spot a Clogged One
A practical guide to the cabin filter: when to change it, signs it's clogged, and how it affects AC, window defogging, and odours inside the cabin.
Read guide →Exhaust leaking or loud, when to weld and when to replace
How to spot a cracked exhaust, where corrosion strikes first, when welding makes sense, and when it's time to replace the muffler or middle section.
Read guide →Symptoms of a Worn Serpentine Belt and When to Replace It
The serpentine belt drives your alternator, A/C and power steering. Squealing, cracks and a battery light are the key symptoms. Why it is not the timing belt.
Read guide →Coolant: types, colours and whether you can mix G11, G12 and G13
G11, G12 and G13 coolants explained: what the colours actually mean, which types you can mix and which combinations damage the radiator and water pump.
Read guide →AGM or EFB battery for start-stop, which one belongs in your car
Start-stop cars need AGM or EFB batteries - a standard one fails fast. The key differences, how to tell which type your car needs, and mistakes to avoid.
Read guide →Wheel bearing - signs of wear and when to replace it
A hum that grows with speed, vibrations and play in the wheel - how to spot a worn wheel bearing, how long it lasts, and why replacement should not be delayed.
Read guide →How to Choose the Right Motor Oil for Your Car
A guide to choosing motor oil: what 5W30 and 0W40 ratings mean, the difference between synthetic and mineral oil, and how to find the right spec for your car.
Read guide →Dashboard Warning Lights - What Each One Means
Oil pressure, engine check, ABS, battery and more - a plain-language guide to every common dashboard warning light. Which ones mean stop now and which can wait.
Read guide →What a Minor Service Includes and When to Get One
A minor service means an oil and filter change plus a basic vehicle check. Most cars need one every 10,000-15,000 km. Skip it and engine wear catches up fast.
Read guide →How to Choose a Car Repair Shop in Banja Luka You Can Trust
How to spot a good mechanic and avoid the bad ones. Signs of an honest shop, red flags to watch for, and what matters more than a fancy sign on the building.
Read guide →Car Losing Power While Driving - Possible Causes
Is your vehicle struggling uphill or losing power? Here are the most common reasons and what to check.
Read guide →Your Car Is Using More Fuel Than Before - What Could Be Wrong
Rising fuel use is always a symptom. Dirty injectors, clogged filters, faulty sensors and low tyre pressure are the usual culprits. How to check each one.
Read guide →Exhaust Smoke - What White, Blue, and Black Smoke Mean
Exhaust smoke can be normal or a sign of a serious problem. We explain the differences and when to take action.
Read guide →Steering Pulls to One Side - Is It the Alignment, Tires, or Something Else
Your steering pulls left or right? Alignment, tyre pressure, worn suspension parts and brake drag are the most common causes. Here is how to narrow it down.
Read guide →When to Service Your LPG System
An LPG system needs service every 10,000-15,000 km. Filters, injectors, reducer and map calibration keep consumption low and the engine running smoothly.
Read guide →What to Check on Your Car Before a Long Trip
A checklist of things to inspect on your vehicle before a long drive. Prevent breakdowns on the road.
Read guide →How to Get Your Car Ready for Winter
Winter vehicle preparation - what to check and replace so your car runs reliably through the cold months.
Read guide →When to Change Oil, Filters, Brake Fluid, and Coolant
Oil, filter, and fluid replacement intervals for your vehicle. A practical guide to routine maintenance.
Read guide →Most Common Reasons a Car Fails Its Technical Inspection
Lights, brakes, suspension play and exhaust leaks top the fail list at the annual inspection. Here is what inspectors check and how to fix issues before you go.
Read guide →How to Tell Your Car Battery Is on Its Way Out
Slow cranking, dim headlights, dashboard flickering and a swollen case are the clearest signs your battery is dying. How to test it and when to replace it.
Read guide →Clunking Over Bumps - What Usually Fails in the Suspension
Hearing clunks when you drive over potholes or rough roads? Here is what usually causes the problem.
Read guide →Clutch Slipping - How to Catch the Problem Early
Signs that your clutch is slipping or wearing out. When it is time for a replacement and what to expect.
Read guide →How to Tell Your Brakes Need Service
Signs that your brakes need inspection or replacement. Sounds, vibrations, and vehicle behavior to watch for.
Read guide →What to Do When Your Car Has Been Sitting for a Long Time
Battery, tyres, oil, brakes and coolant all suffer when a car sits for weeks or months. What to inspect before you turn the key after a long break.
Read guide →What It Means When Your Car Shakes at Idle
Does your vehicle vibrate or shake while sitting at idle? Here are the most common causes and when you need a repair.
Read guide →How to Reduce Fuel Consumption Without Neglecting Your Car
Practical tips for better fuel economy that will not harm your vehicle. What actually makes a difference.
Read guide →Is It Smart to Skip Your Regular Oil Change?
What happens when you skip or delay a routine service. Real consequences for your engine and vehicle.
Read guide →When the Flywheel Starts Causing Problems and How to Recognize the Symptoms
Dual-mass flywheel - what it is, how to tell when it is worn, and what to expect during replacement.
Read guide →How to Get Your Car Ready for Summer and a Road Trip
Summer heat stresses your cooling system, tyres, battery and A/C. A pre-trip checklist so your car handles the heat and longer journeys without breaking down.
Read guide →Can You Drive With a Warning Light On?
A warning light is on. Can you keep driving or should you stop immediately? It depends on the situation.
Read guide →Things You Should Never Ignore on Your Car
Strange noises, warning lights, fluid leaks and vibrations your car gives you before something breaks. Ignore them and a small fix turns into a big bill.
Read guide →Spring Vehicle Inspection After Winter
What to check on your car when winter is over. A practical checklist for a spring inspection and getting ready for the season.
Read guide →Why Your Car Uses More Fuel in Winter
Cold engines, thicker oil, cabin heating and short trips push fuel consumption up in winter. What counts as normal and when the increase points to a fault.
Read guide →When to Replace the Timing Belt or Chain
Timing belt and chain replacement intervals, symptoms of wear, and what happens if you wait too long.
Read guide →Got a problem
with your vehicle?
For an inspection, service or to discuss your vehicle, call us or send a message. If you're not sure what the fault is, describe the symptoms and vehicle model.
Njegoševa 44
Banja Luka, Republika Srpska
Bosnia and Herzegovina