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.
Wet Carpets in Your Car and How to Find Where Water Gets In
Car carpets wet after rain or for no obvious reason? Here's how to find where water is getting into the cabin and why you shouldn't ignore it.
Read guide →Engine Bay Cleaning and How Not to Damage the Electronics
Can you wash your engine bay with water and what should you protect first? A practical guide to safely cleaning your engine bay without risking electronic damage.
Read guide →Tire Markings and How to Read All the Numbers and Symbols
Every tire carries markings like 205/55 R16 91V and a DOT date code. We explain what each number and letter means and how to choose the right size for your car.
Read guide →All-Season Tires or Two Sets: What Makes Sense in BiH
When all-season tires can replace winter and summer sets, and when they're a bad compromise for BiH conditions. Law, markings, and practical buying advice.
Read guide →Multiple Car Problems at Once and How to Decide What to Fix First
When your car has several issues and the budget is tight, knowing the right repair order matters. Here's how a mechanic decides what comes first.
Read guide →How to Properly Tow a Car with a Rope and When You Must Not Do It
Hooking sequence, speed, distance, hazard lights, and why you can't tow an automatic the same way as a manual. A practical towing guide for drivers in BiH.
Read guide →Central Locking Not Working, What to Check Step by Step
Car won't lock with the remote or only one door responds? Causes from a dead key battery to a faulty door lock actuator, and how to narrow it down before visiting a shop.
Read guide →Window Regulator Not Working or Moving Slowly - Causes and What to Check
Window drops into the door, moves slowly, or won't respond? Common causes ranked by likelihood, DIY checks, and when to visit a mechanic.
Read guide →How to Choose Replacement Car Parts Without Wasting Money
OEM, aftermarket or used? Differences between part categories, what not to cheap out on, and how to spot quality replacements - from workshop experience.
Read guide →Engine Rebuild - What It Involves and When It Actually Pays Off
What goes into an engine rebuild, how to tell your engine needs one, and when a used engine is the smarter move. Practical answers from the workshop.
Read guide →How to Check Engine Oil Level and Top Up Correctly
Step-by-step oil level check on the dipstick, when and how much to top up, which oil to use, and common mistakes that shorten engine life.
Read guide →Cooling System Hoses and How to Prevent Leaks Before They Happen
Rubber coolant hoses degrade from heat and age. Here is how to inspect them yourself, which parts fail first, and when to replace them before they burst.
Read guide →How to Actually Reduce Fuel Consumption, Step by Step
Practical steps that genuinely cut fuel consumption, ranked by real impact. Driving habits, tires, weight, maintenance, and myths that do not work.
Read guide →What Sitting Does to a Car and How to Prepare or Revive It
A car that sits deteriorates faster than you think. What breaks during storage, how to prepare for long parking, and what to check before restarting.
Read guide →How to Recognize a Good Car Repair Shop and What to Look For
Six clear signs of a trustworthy car repair shop. Honest diagnosis, upfront pricing, returned parts, and proper service records explained.
Read guide →How to Change a Tire on the Road - Procedure and Mistakes We See in the Shop
Step-by-step guide to changing a tire on the road. Lug bolt sequence, jack placement, and mistakes drivers make that lead to expensive damage.
Read guide →Should You Warm Up Your Engine Before Driving and How Long Is Enough
Most drivers warm up their engine by idling too long. We explain how long is actually enough and why gentle driving is better than sitting still.
Read guide →OBD2 diagnostics with your phone and what that error code really tells you
An ELM327 adapter and a free phone app can read engine fault codes. Learn what you can figure out yourself and when you need a professional workshop.
Read guide →Major car service and how it differs from a minor one
What a major service includes, at how many kilometres it's due, which parts get replaced, and why you should never skip it. A practical guide for drivers.
Read guide →Car Fuses and Relays: How to Find a Blown One
Something suddenly stopped working in your car? Often the culprit is a fuse worth a few cents. Where to find the fuse box, how to spot a blown fuse, and when the problem runs deeper.
Read guide →Car Springs: How to Tell If They're Sagging or Broken
Car sitting lower on one side, clunking over bumps, or leaning in corners? Springs wear out gradually. Here's how to spot the problem and when to replace them.
Read guide →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 →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