How much does a Jaguar S-Type 3.0 V6 engine replacement cost-

A rebuilt Jaguar S-Type 3.0 V6 engine typically costs between £1,500 and £2,800 for supply only, depending on the specific engine code (AJ26, AJ27, or AJ30) and condition. Used engines start around £600-£1,500 but carry unknown mileage risks. Supply and fit packages typically add £800-£1,500 for labour, recovery, and warranty coverage. All EnginesMarket quotes include a minimum 12-month unlimited mileage warranty.

What causes timing chain failure on the Jaguar S-Type 3.0 V6-

Original plastic timing chain guides and hydraulic tensioners on AJ26, AJ27, and AJ30 engines degrade with heat cycles, allowing chain slack that causes rattling on cold starts. Failure typically occurs between 60,000-90,000 miles on neglected engines. Metal tensioner upgrades prevent repeat failures in rebuilt units. Early rattling on startup is the key warning symptom owners should monitor. Warning: Continuing to drive with timing chain rattles risks catastrophic valve-to-piston contact and total engine destruction.

Is it worth replacing the engine in a Jaguar S-Type 3.0 V6-

Yes, if your S-Type has low mileage and solid bodywork, a rebuilt engine often costs less than buying another used executive saloon. Rebuilt AJ27 or AJ30 engines typically cost £1,500-£2,800 supply only. Cars worth under £1,500 may not justify full engine replacement investment; evaluate scrap value first. Upgraded timing components in rebuilt units address original failure points for long-term reliability.

What are the symptoms of a failing VCT solenoid on a Jaguar S-Type 3.0 V6-

Sludge accumulation or internal solenoid wear disrupts oil flow to the Variable Cam Timing phasers, triggering specific drivability issues. Rough idle and loss of low-end torque. Check engine light with cam timing correlation fault codes. Occasional stalling or hesitation during acceleration.

Does a replacement Jaguar S-Type 3.0 V6 engine need ECU coding-

Most Jaguar S-Type 3.0 V6 engine swaps do not require full ECU reprogramming if you fit an identical engine code. Matching engine codes (e.g., AJ27 to AJ27) usually plug-and-play without coding. PATS immobiliser systems may require dealer-level diagnostic tools to pair the new engine's ECU with your car's existing security module. Supply and fit specialists often handle ECU pairing as part of the installation service.

Will a Land Rover or other Jaguar 3.0 V6 engine fit my S-Type-

The AJ-V6 3.0L architecture was used across several Jaguar models, but direct swaps require careful verification. Core block architecture is similar, but engine mounts, wiring looms, and ancillary brackets vary by vehicle application. ECU software must match S-Type calibration for proper transmission communication. Using a Jaguar S-Type donor engine minimises compatibility risks during replacement fitting.

Jaguar S-Type 3.0 V6 Specialists

Jaguar S-Type 3.0 V6 Engine Replacement Compare Prices & Get Quotes

Get quotes today from trusted UK Jaguar S-Type 3.0 V6 engine specialists. Compare prices on reconditioned, rebuilt and used 3.0-litre V6 engines, with supply & fit available nationwide.

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12-Month Warranty

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Jaguar S-Type 3.0 V6 Engine

from£1,500 to £2,800...

Usedfrom £600
Reconditionedfrom £1,300
Common codesAJ26, AJ27, AJ30

Jaguar s-typeUsed Engine — AJ26

Jaguar s-type 3.0 V6 Reconditioned Engine — AJ26

Jaguar s-typeReconditioned Engine — AJ26

Jaguar s-type 3.0 V6 Rebuilt Engine — AJ26

Jaguar s-typeRebuilt Engine — AJ26

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How it works

3 Simple Steps to Finding the Right Replacement Engine

Clear information first, then the right engine and specialist for your exact vehicle.

Variant History

Jaguar S-Type 3.0 V6 Engine History & Specs at a Glance

Launched in 1999 as the core petrol powerplant for the S-Type, the 3.0 V6 evolved from the early AJ26 to the refined AJ27 and AJ30 units, delivering smooth, linear performance and classic Jaguar refinement throughout the X200 generation.

1999
AJ26, 3.0L Petrol, 238hp (Launch of the S-Type with the original 3.0L V6 architecture)
2002
AJ30, 3.0L Petrol, 240hp (Revised mid-generation V6 featuring updated engine management and reinforced timing components)
2003
AJ27, 3.0L Petrol, 240hp (Facelift update with improved internal durability and smoother operation across SE, Sport, and Classic trims)

Every 3.0L V6 engine fitted to the Jaguar S-Type 3.0 V6 is covered below, with UK rebuilt pricing and known failure points.

Engine Codes & Pricing

Jaguar S-Type 3.0 V6 Engine Codes Specifications & Replacement Cost

Find your exact engine code, specs and UK replacement cost guide.

AJ26 — 3.0L Petrol (1999-2002)

Power Output: 238hp
Years Fitted: 1999-2002

Can’t find your exact engine code?-> Get quotes for AJ26 Jaguar S-Type 3.0 V6 engine replacement

-> Get quotes for AJ26 Jaguar S-Type 3.0 V6 engine replacement

Common failure points and repair options

Timing Chain Tensioner Failure

Affected: Jaguar S-Type 3.0 V6 (AJ26, AJ27, AJ30, 1999-2008)
Typical failure mileage: 60,000 - 90,000 miles

Root cause

Original composite timing chain guides and hydraulic tensioners degrade under heat cycles, allowing chain slack that causes rattling on cold starts and eventual timing jump or valve collision.

Repair options

Repair tier	Dealer price	Specialist price
Minor - Preventative Timing Kit Installation	£2,200 - £2,800	£1,100 - £1,500
Intermediate - Cylinder Head & Timing Repair	£3,500 - £4,500	£1,800 - £2,400
Full Replacement - rebuilt/reconditioned engine	£4,500 - £6,500	£1,500 - £2,800

Our recommendation

If your Jaguar S-Type 3.0 V6 is making a distinct rattling noise on cold startup but still runs smoothly, invest in a preventative timing chain kit from a trusted specialist immediately. Once the chain jumps or valves contact pistons, a full rebuilt engine with upgraded metal guides is the most economically sensible route.

-> Compare rebuilt AJ27 and AJ30 Jaguar S-Type 3.0 V6 engine prices today

VCT Solenoid Problems

Affected: Jaguar S-Type 3.0 V6 (AJ26, AJ27, AJ30, 1999-2008)
Typical failure mileage: 70,000 - 100,000 miles

Root cause

Sludge accumulation or internal solenoid wear disrupts oil flow to the Variable Cam Timing phasers, triggering check engine lights, rough idle, and loss of low-end torque.

Repair options

Repair tier	Dealer price	Specialist price
Minor - Solenoid & Oil System Clean	£400 - £650	£200 - £350
Intermediate - VCT Phaser Replacement	£1,200 - £1,800	£600 - £950
Full Replacement - rebuilt/reconditioned engine	£4,500 - £6,500	£1,500 - £2,800

Our recommendation

A rough idle on a Jaguar S-Type 3.0 V6 is often just a clogged VCT solenoid, which is a straightforward and affordable specialist fix. However, if the check engine light has been ignored for months and metallic tapping is audible, internal phaser damage likely requires a complete rebuilt engine to restore factory performance and reliability.

-> Compare AJ30 and AJ26 Jaguar S-Type 3.0 V6 engine replacement quotes

Don't Let Engine Failure Write Off Your Jaguar S-Type 3.0 V6

The Jaguar S-Type 3.0 V6’s engineering demands precise diagnostics and specialist intervention, but you should never be forced to pay main dealer premiums for a repair that outvalues the car itself. Our network connects you directly with vetted UK engine specialists who supply fully rebuilt units featuring upgraded components that eliminate known weak points like plastic timing guides and faulty VCT solenoids. Every comparison includes transparent pricing, nationwide delivery, and a minimum 12-month unlimited mileage warranty so you can restore your executive saloon with complete confidence.

Compare Jaguar S-Type 3.0 V6 Engine Replacement Prices Now ->

FAQ

Jaguar S-Type 3.0 V6 Engine ReplacementFrequently Asked Questions

Everything Jaguar S-Type 3.0 V6 owners usually ask before choosing a rebuilt, reconditioned or used replacement engine.

A rebuilt Jaguar S-Type 3.0 V6 engine typically costs between £1,500 and £2,800 for supply only, depending on the specific engine code (AJ26, AJ27, or AJ30) and condition.

Used engines start around £600-£1,500 but carry unknown mileage risks.
Supply and fit packages typically add £800-£1,500 for labour, recovery, and warranty coverage.
All EnginesMarket quotes include a minimum 12-month unlimited mileage warranty.

-> Get free Jaguar S-Type 3.0 V6 engine replacement quotes from UK specialists

Original plastic timing chain guides and hydraulic tensioners on AJ26, AJ27, and AJ30 engines degrade with heat cycles, allowing chain slack that causes rattling on cold starts.

Failure typically occurs between 60,000-90,000 miles on neglected engines.
Metal tensioner upgrades prevent repeat failures in rebuilt units.
Early rattling on startup is the key warning symptom owners should monitor.

-> Compare rebuilt AJ27 and AJ30 Jaguar S-Type 3.0 V6 engines with upgraded timing components

Yes, if your S-Type has low mileage and solid bodywork, a rebuilt engine often costs less than buying another used executive saloon.

Rebuilt AJ27 or AJ30 engines typically cost £1,500-£2,800 supply only.
Cars worth under £1,500 may not justify full engine replacement investment; evaluate scrap value first.
Upgraded timing components in rebuilt units address original failure points for long-term reliability.

-> Compare rebuilt Jaguar S-Type 3.0 V6 engine prices with 12-month warranty

Most Jaguar S-Type 3.0 V6 engine swaps do not require full ECU reprogramming if you fit an identical engine code.

Matching engine codes (e.g., AJ27 to AJ27) usually plug-and-play without coding.
PATS immobiliser systems may require dealer-level diagnostic tools to pair the new engine's ECU with your car's existing security module.
Supply and fit specialists often handle ECU pairing as part of the installation service.

-> Get quotes for Jaguar S-Type 3.0 V6 engine supply and fit with ECU coding included

The AJ-V6 3.0L architecture was used across several Jaguar models, but direct swaps require careful verification.

Core block architecture is similar, but engine mounts, wiring looms, and ancillary brackets vary by vehicle application.
ECU software must match S-Type calibration for proper transmission communication.
Using a Jaguar S-Type donor engine minimises compatibility risks during replacement fitting.

-> Compare Jaguar S-Type 3.0 V6 engines from UK specialists with fitment expertise

Why Choose Us

Compare Jaguar S-Type 3.0 V6 Engine Prices Today

Comparing quotes is free, no-obligation, and specific to your exact Jaguar S-Type 3.0 V6 and engine code. Whether you need a budget-friendly used unit or a fully rebuilt 3.0L V6 engine with upgraded timing components and a 12-month warranty, our vetted UK specialists provide transparent pricing and professional supply & fit options to get you back on the road with confidence.

100+100+ Jaguar S-Type 3.0 V6 engines supplied through our network

12-Month12-Month Warranty on every rebuilt Jaguar S-Type 3.0 V6 engine

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Get Free Jaguar S-Type 3.0 V6 Engine Quotes ->

Compare quotes from trusted UK Jaguar S-Type 3.0 V6 engine specialists with warranty-backed rebuilt, reconditioned and used options nationwide.