Case Studies

Detailed technical reports of our most challenging and successful engine restorations.

Land Rover 2.2 Diesel Engine Turbo Failure & Oil Seal Repair

Problem:

Excessive oil consumption and power loss due to failed turbocharger shaft seals and bearing wear.

Solution:

Replacement of the turbocharger with a reconditioned unit, comprehensive cleaning of the intercooler and intake system, and replacement of the oil feed line.

✔ Outcome: Eliminated oil burning, restored full engine performance and boost, and protected the engine from further oil contamination.
Full Technical Report →

Land Rover 2.7 TDV6 Turbo Failure & Oil Feed Line Repair

Problem:

Catastrophic turbocharger seizure due to oil starvation from a completely blocked oil feed line.

Solution:

Replacement of the turbocharger and both oil feed/return lines, coupled with a complete engine oil system flush and new oil cooler.

✔ Outcome: Restored forced induction performance with a clean, reliable oil supply system, preventing repeat failure.
Full Technical Report →

Land Rover 3.0 TDV6 EGR Cooler Failure & Coolant Contamination Repair

Problem:

Internal coolant leak from a cracked EGR cooler, leading to coolant ingestion, white smoke, and oil contamination.

Solution:

Replacement of the EGR cooler coupled with a full decontamination of the intake system, intercooler, and crankcase, followed by an oil change.

✔ Outcome: A sealed cooling system, clean combustion, and uncontaminated oil, restoring full engine performance and reliability.
Full Technical Report →

Land Rover 4.4 V8 Petrol Engine Timing Chain & Guide Failure Repair

Problem:

Catastrophic failure of plastic timing chain guides and wear of hydraulic tensioners, leading to severe chain slap.

Solution:

Complete timing system overhaul, replacing all chains, guides, tensioners, and related components for both cylinder banks.

✔ Outcome: A silent, precisely timed engine with a renewed timing system warrantied for long-term reliability.
Full Technical Report →

Land Rover Discovery 3 TDV6 Crankshaft Failure Repair

Problem:

Catastrophic failure due to spun crankshaft main bearings, leading to a seized bottom end.

Solution:

Full engine removal, reconditioning of the block and head, installation of a reground crankshaft, uprated bearings, and new ancillary components (oil cooler, pump).

✔ Outcome: A mechanically refreshed engine that exceeds original factory specifications in key durability areas, restoring dependable performance.
Full Technical Report →

Land Rover Discovery 4 SDV6 Crankshaft Failure Repair

Problem:

Fatigue failure resulting in a snapped crankshaft.

Solution:

Complete engine rebuilds utilising the original block and heads, a new uprated crankshaft, performance bearings, and rebuilt turbos.

✔ Outcome: An engine rebuilt to a specification that exceeds original factory durability in its critical weakness, restoring long-term reliability.
Full Technical Report →

Land Rover Discovery 5 Ingenium Coolant Leak & Overheating Repair

Problem:

Internal coolant leaks due to a failure at the cylinder head/block interface, allowing combustion gases to pressurise the cooling system.

Solution:

Cylinder head removal, professional pressure testing and skimming at a machine shop, and reassembly with a new MLS gasket, bolts, and timing components.

✔ Outcome: A permanently sealed combustion chamber and cooling system, restoring reliable engine temperature control and preventing further damage.
Full Technical Report →

Land Rover Discovery Sport Ingenium Coolant Loss & Overheating Repair

Problem:

Internal coolant leak and fuel contamination due to a cracked cylinder head and failing fuel injector seal(s).

Solution:

Cylinder head removal, professional crack testing, welding, machining, and reassembly with a new MLS gasket, full set of injector seals, and timing components.

✔ Outcome: A mechanically restored cylinder head, a sealed fuel system, and a stable cooling system, restoring full engine performance and reliability.
Full Technical Report →

Land Rover Ingenium 2.0 Engine Timing Chain Rattle & Repair

Problem:

Stretched timing chain due to hydraulic tensioner failure, with contributing borderline oil pressure.

Solution:

Replacement of complete timing chain system, oil pump, and related seals. Verification and restoration of correct oil pressure.

✔ Outcome: A precisely timed engine with a healthy lubrication system, restoring quiet operation and long-term reliability.
Full Technical Report →

Range Rover 2.0 Ingenium Engine Timing Chain Rattle Repair

Problem:

Stretched timing chain due to hydraulic tensioner failure, with contributing borderline oil pressure.

Solution:

Replacement of complete timing chain system, oil pump, and related seals. Verification and restoration of correct oil pressure.

✔ Outcome: A precisely timed engine with a healthy lubrication system, restoring quiet operation and long-term reliability.
Full Technical Report →

Range Rover 2.2 Diesel Turbo Failure & Oil Seal Repair

Problem:

Excessive oil consumption and power loss due to failed turbocharger shaft seals and bearing wear.

Solution:

Replacement of the turbocharger with a reconditioned unit, comprehensive cleaning of the intercooler and intake system, and replacement of the oil feed line.

✔ Outcome: Eliminated oil burning, restored full engine performance and boost, and protected the engine from further oil contamination.
Full Technical Report →

Range Rover 3.0 SCV6 Supercharger Coolant Leak Repair

Problem:

Internal coolant leak from degraded supercharger intercooler and crossover pipe seals, leading to coolant loss into the intake system.

Solution:

Supercharger removal, complete disassembly, and replacement of all internal coolant and vacuum seals using a Genuine Land Rover service kit.

✔ Outcome: A fully sealed forced induction cooling system, eliminating coolant loss, overheating, and cabin odours.
Full Technical Report →

Range Rover 3.6 TDV8 Oil Cooler Failure & Coolant Contamination Repair

Problem:

Catastrophic failure of the engine oil cooler leading to cross-contamination of coolant and engine oil ("chocolate milkshake").

Solution:

Replacement of the oil cooler followed by a comprehensive, multi-stage decontamination of the entire engine lubrication and related intake systems.

✔ Outcome: Fully separated and clean operating fluids, restored engine performance, and prevention of guaranteed secondary component failures.
Full Technical Report →

Range Rover 4.2 Supercharged V8 Timing Chain & Guide Repair

Problem:

Catastrophic failure of plastic timing chain guides and wear of hydraulic tensioners, leading to severe chain slap.

Solution:

Complete timing system overhaul, replacing all chains, guides, tensioners, and related components for both cylinder banks.

✔ Outcome: A silent, precisely timed engine with a renewed timing system warrantied for long-term reliability.
Full Technical Report →

Range Rover 4.4 V8 Petrol Engine Timing Chain & Guide Repair

Problem:

Catastrophic failure of plastic timing chain guides and wear of hydraulic tensioners, leading to severe chain slap.

Solution:

Complete timing system overhaul, replacing all chains, guides, tensioners, and related components for both cylinder banks.

✔ Outcome: A silent, precisely timed engine with a renewed timing system warrantied for long-term reliability.
Full Technical Report →

Range Rover 5.0 SCV8 Supercharger Coolant Leak Repair

Problem:

Internal coolant leak from degraded supercharger intercooler and crossover pipe seals.

Solution:

Supercharger removal, complete disassembly, and replacement of all internal seals using a Genuine Land Rover service kit, including preventative coupler replacement.

✔ Outcome: A fully sealed supercharger cooling system, eliminating coolant loss, overheating, and cabin odours.
Full Technical Report →

Range Rover Evoque 2.7 TDV6 Timing Chain Repair Case Study

Problem:

Failed primary & secondary timing chain tensioners and guides, with associated balancer shaft gear wear, causing cold start rattle and timing correlation faults.

Solution:

Complete engine-out, full timing system overhaul with updated components, oil pump replacement, and OEM software recalibration.

✔ Outcome: Noise eliminated, full power restored, check engine light off. A repair designed to last the life of the vehicle.
Full Technical Report →

Range Rover Evoque Timing Chain Rattle & Oil Pressure Repair

Problem:

Chronic low oil pressure from worn crankshaft bearings, leading to secondary failure of the timing chain system.

Solution:

In-chassis engine rebuilds including main/conrod bearing replacement and a completely new timing drive system.

✔ Outcome: Factory-specification oil pressure and timing restored, ensuring long-term reliability.
Full Technical Report →

Range Rover Sport SCV8 Supercharger Coolant Leak & Overheating Repair

Problem:

Internal coolant leak from degraded supercharger intercooler and crossover pipe seals, leading to coolant loss into the intake system.

Solution:

Supercharger removal, complete disassembly, and replacement of all internal coolant and vacuum seals using a Genuine Land Rover service kit.

✔ Outcome: A fully sealed forced induction cooling system, eliminating coolant loss, overheating, and cabin odours.
Full Technical Report →

Range Rover Velar Ingenium Engine Rattle & Misfire Repair

Problem:

Combined failure due to severe carbon fouling of intake valves and a stretched timing chain.

Solution:

Integrated repair comprising walnut blast carbon cleaning and complete timing chain system replacement.

✔ Outcome: Optimal combustion and precise mechanical timing restored, resolving all misfires, noises, and fault codes.
Full Technical Report →

Range Rover Vogue L405 Suspension Failure & Air Leak Repair

Problem:

Multiple air leaks from a ruptured rear air spring and a failing air valve block diaphragm.

Solution:

Replacement of the failed air spring and the central air valve block, followed by a full system calibration.

✔ Outcome: A fully sealed, calibrated air suspension system that holds pressure correctly, restoring safety, comfort, and reliability.
Full Technical Report →

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