Audi Q7 V6 Engine Diagnostics & Overhaul
Engine Repair · Al Quoz, Dubai
Coolant crossover pipe developed a thermal fracture, leaking fluid near the supercharger housing and triggering misfire codes..
Case 07 · Al Quoz
2018 Audi Q7 3.0T
- Response
- 20 min
- Completed in
- 4.0 Hours
- Location
- Al Quoz
The vehicle & the brief.
2018 Audi Q7 3.0T
Check engine light active, rough idle, and coolant level warning
20 minutes
4.0 Hours
How this case was solved.
A step-by-step breakdown of what we found, what we tested, what we replaced, and what we measured at the end.
- 01
Problem
Coolant crossover pipe developed a thermal fracture, leaking fluid near the supercharger housing and triggering misfire codes.
- 02
Diagnosis
- 01VAG-COM computer diagnostic scan
- 02Smoke test for vacuum and coolant leaks
- 03Compression and leak-down test
- 03
Solution
Removed intake manifold assembly, replaced cracked coolant crossover pipe, changed spark plugs, and cleared adaptation values.
- 04
Result
Misfires eliminated, coolant system sealed, and smooth idle restored across all cylinders.
What we replaced.
Only OEM or dealership-equivalent parts are used. Every part below was installed onsite and is covered by our 12–24 month warranty.
Total parts
03
- 01OEM Coolant Crossover Pipe
- 02Intake Manifold Gaskets
- 03Bosch Spark Plugs
Frequently asked questions.
01Do you use OEM parts for Audi repairs?
Yes, we exclusively use OEM or approved high-performance aftermarket parts for all European luxury vehicles.
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