Kovac Services Automotive

18/05/2026

Why we’ve been quiet since Thursday... 🤫🔥

​If you’ve noticed the page has been a bit silent over the last few days, it’s because we’ve been deep in the absolute trenches of a mechanical battlefield with this 550BHP Supercharged Jaguar F-Pace SVR.

​This car has been with us since Thursday last week. A standard garage facing a stubborn drivetrain judder would have started firing the "parts cannon" swapping out expensive transfer boxes, differentials, or axles on the customer's dime, hoping for a lucky hit.

​We refuse to work that way. Every single step we took was about systematic elimination, not guessing:

​Re-did all electronic adaptations and basic calibrations first.

​Performed a strict factory engine/gearbox mount neutralization to eliminate bound-up chassis harmonics.

​Laser-aligned the propshaft lateral straightness.
​Personally pulled the propshaft out, drove it down to Propshaft specialist, and waited there while it was tested. Been told is absolutely fine.

​Spent hours on road tests with electronic "Noise Master" microphones clamped to individual undercar components to isolate the noise acoustically.

​Dropped the transmission pan for a full ZF 8-speed gearbox service and filter at 45,000 miles. Because this judder happens right in the low-RPM, high-torque window, we needed to 100% rule out Torque Converter (TC) lockup clutch stiction and fluid chatter before condemning any major mechanical parts.

​The Diagnostic Dilemma & The Dyno

Breakthrough:

By Monday morning, we hit a wall that every elite diagnostician knows. On a standard workshop lift, the wheels hang free with zero road resistance meaning there's no torque load on the components. On a standard road test, you have the load, but you obviously can’t hang underneath a moving car at 30 mph to see what’s failing.

​To break the deadlock, we booked a dedicated slot at Pole Position UK in Wolverhampton to use their linked 4WD rolling road. The dyno allowed us to apply real-world rolling resistance and force that supercharged V8 to deliver its raw torque, all while we recorded safely underneath the car to watch the spinning driveline live.

​Watch the video below. The ghost has officially been caught on camera. 🎥👇

​The moment the car hits the 20–30 mph sweet spot under load, you can see the propshaft's center support bearing mount go into violent, un-damped vertical oscillation. The rubber carrier is being completely overwhelmed and whipped out of orbit by a dynamic force that a static balance rig could never replicate.

​Because you cannot buy just the genuine rubber bearing mount on its own from Jaguar, and with a tight deadline to hit, we've ordered a complete new genuine propshaft assembly which lands tomorrow morning. The plan is to have it installed, tested, and ready to go back to the client by midday tomorrow.

​The Absolute Madness Waiting Next:

Once the SVR leaves, the floodgates open. The workshop schedule for the rest of the week is completely mental, with 10+ major jobs currently pending on the floor:

📦 All parts have finally landed for our Mercedes C250 project to get that wrapped up by the end of the following week.

🐊 The Range Rover TDV8 is waiting on two fresh factory hoses arriving directly from Land Rover (the old O-rings failed under pressure, and because JLR only sells the complete £400 hose assemblies, we spent hours trying to source individual matching seals first to save the customer money before being forced to order the genuine lines).

🍋🍋 Citroen: Booked in today for diagnostic work; successfully unraveled and now waiting on parts to turn up later this week.

🌪️ Mazda CX-5: Tomorrow afternoon is a deep-dive diagnostic and a major intake valve carbon-cleaning/walnut-blasting marathon.

⚙️ The Heavy Backlog: Plus... an Audi RS5 and Ford Galaxy with automatic gearbox issues, an Audi A3 needing TCM repair, and a VW Caddy in for an oil leak repair and service.

​Oh, and there are currently about 50+ unread email requests. If you're waiting on a reply, bear with me I'm getting through them!

​We don't just change parts. We chase faults until they have nowhere left to hide.

​Let's get next week sorted. 🏁

​

13/05/2026

Morning Espresso & The £1,000 Difference ☕️🔥

Nothing beats a shot of TDV8 espresso to kickstart the day. While the coffee was hot, we were deep in the "V" of this Range Rover, resetting the standard.

The Kovac Way vs. The Easy Way:
Most shops would have seen a fouled EGR system and simply quoted the customer for a brand-new unit. We did it differently. Using our in-house blasting cabinet, we meticulously cleaned and restored the original EGR to "as-new" condition, pressure-tested the system, and installed a full set of fresh gaskets.

The Result? We saved this customer at least £1,000 on parts by choosing skill over part-swapping, all while maintaining a surgical standard.

Why the "V" Cleanup matters:
We didn't stop at the "fix." Look at that engine valley. We spent hours scrubbing away a decade of baked-on sludge. Why? Because sludge is a thermal blanket. It cooks hoses, stresses gaskets, and hides future leaks. We don’t just change parts at Kovac; we restore thermal integrity. If you’re going to do it, do it once, and do it right.

Shop Update:
✅ Mercedes C63s: Collected and gone today. Another happy client back on the road.
📥 Jaguar F-Pace SVR: Landed this afternoon and already on the ramp. This beast needs some specialist attention.
⏳ Range Rover TDV8: 80% through the rebuild.

The Roadmap for Tomorrow:
No standing still. We’re heading to Coventry on a mobile mission before taking the SVR propshaft for a specialist bearing replacement and high-speed balancing. Then, it’s back to the shop to finish the final 20% of the Range Rover for testing and confirmation.

The philosophy is simple: The standard you walk past is the standard you accept. We don't walk past anything.

Stay tuned for the video drop tomorrow. 🏁

12/05/2026

Standards Don’t Have a Stopwatch 🏁

The "Parts Chase" vs. The Kovac Standard.

If you want a car fixed fast, you go to a "fitter." If you want a car fixed right, you come to a specialist.

Currently, the Mercedes C250d project is in the most frustrating phase for any engineer: The Logistics War. The Reality of the Reveal:

Swipe to the second photo. That isn't just a pile of parts; that is the entire breathing system and cooling architecture of an OM651 engine, deconstructed and organised with forensic precision. We didn't just "find a leak"; we identified a systemic failure that required a full-scale restoration to ensure this car doesn't see a recovery truck for another thousands of miles.

The Status of the Chase:
We’ve spent the day on the phones.

The Intake Manifold: Sourced and arriving within 48 hours.

The Coolant Fl**ge: Successfully hunted down and ordered from the specialists at Mercedes LSH Auto.

The Rest: We are currently waiting on Mercedes Stourbridge for the final genuine seals and gaskets.

I could have called a local parts shop and had "budget" parts here by lunch. I didn't. At Kovac Services, if it isn't Genuine, it isn't going in. We don't overpromise on time; we over-deliver on quality.

The HQ Reset:
While the ramps wait for the "Star" boxes to land, I don't sit around. I’ve flipped the office into a true Command Center.

The Desk is Up: We stay standing, stay sharp, and stay focused.

The Chair is Gone: I don't get paid to sit around, you aren't just seeing a repair. You’re seeing the 4 C’s in action: Complaint, Cause, Correction, and Confirmation.

To the owners waiting on their keys: Your car is in the only place in the Midlands that cares about the "Why" as much as the "How." Logic wins every time. 🏗️🏎️

📍 Kovac Services Automotive - Halesowen

11/05/2026

The Specialist’s Advantage 🕵️‍♂️🏁

When "Clearing the Code" isn't enough.

We are having a Mercedes C250d on the ramp for the past couple of days that has been a true test of diagnostic patience.

​The Symptom:
Intermittent engine light and a frustrating loss of performance. It’s the kind of "ghost" fault that drives owners—and most garages—crazy. You clear the code, the car feels okay for a day, and then the power vanishes again.

​The Kovac Process:
While others were finishing their week on Friday night, I was here at 10 PM. I spent my weekend deconstructing this system’s logic in my head.

​The Research:
Hours of studying the interaction between the ECU protection maps and the physical exhaust flow.

​The Monitoring:
We didn't just read a fault code; we spent hours monitoring live data under load to see what the computer was seeing.

​The "A-Ha" Moment:
By Sunday, the theory was solid. We didn't find a "broken part"; we found a systemic failure that was causing the car to silently protect itself from damage.

​The Solution:
The Main Dealer approach would have been a "Parts Cannon" totaling over £5,000.

Our approach?
A specialized, non-invasive restoration of the original system. We’ve already sorted the top-end oil leaks and the injector seals to the highest standard, and now we are focusing on the root cause of that power loss and second oil leak.

​The Result:
A car that is being repaired, not just "reset."

​Stay tuned for Assembly Day. Logic wins every time. 🏁

​📍 Kovac Services Automotive - Halesowen

10/05/2026

When the "Official" repair fails, we find the answer. 🕵️‍♂️

This high-performance RSQ8-S ABT recently left a Main Dealer after a 3-week wait for a 48V system repair. 50 miles later, the owner was left stranded in a live lane—gearbox faults, total power loss, and a dangerous situation.

​The 11 PM Call:
The owner had lost all faith in the "Master Techs." He reached out late at night, and I didn't tell him to wait a month for an appointment. I grabbed my tools and headed out to meet the car on a ramp.

​The 60-Minute Discovery:
It didn't take weeks of "plugging it in." Within an hour, the problem was found. The dealer had replaced the alternator but failed to properly seat and lock the main electrical connector. One bump in the road was all it took for the car to "die."

​The Result:
One hour. One properly seated plug. Car fixed and safe.

​Precision Diagnostics > Parts Changing. 📍 Kovac Services - Halesowen
​

09/04/2026

20/03/2024

Are you searching for a trustworthy service center to take care of your vehicle's diagnostic and repair requirements? Your search ends here!

We are a team of highly skilled and trained technicians, equipped to handle a wide range of auto electrical problems. Our services range from common issues like battery failure to more complex problems like faulty wiring and components.

You can rely on us to provide you with a thorough diagnosis and effective repairs that will keep your vehicle running smoothly for time to come.

20/03/2024

Are you searching for a trustworthy service center to take care of your vehicle's diagnostic and repair requirements? Your search ends here!

We are a team of highly skilled and trained technicians, equipped to handle a wide range of auto electrical problems. Our services range from common issues like battery failure to more complex problems like faulty wiring and components.

You can rely on us to provide you with a thorough diagnosis and effective repairs. that will keep your vehicle running smoothly for years to come.

20/03/2024

Our establishment offers a comprehensive clutch replacement service for your vehicle. We are skilled and experienced technicians equipped to handle all types of vehicles and will ensure that your vehicle's clutch is replaced with precision and expertise.

In addition to our clutch replacement services, we also offer a convenient recovery and delivery service. If your vehicle can't be driven because of clutch issues, we can have it picked up and transported to our workshop for repair. Once the repairs are complete, we can deliver your vehicle back to you, so you can get back on the road as soon as possible.

At our company, we are committed to providing excellent customer service and ensuring that our customers are satisfied with our work.

Please contact us today to schedule your clutch replacement or learn more about our recovery and delivery services.

18/01/2023

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