Oil changes and manufacturer-recommended maintenance, check-engine-light diagnostics, engine repair, turbocharger systems, cooling systems, water pumps and thermostats, boxer-engine diagnostics, PDK transmission diagnostics and service, Tiptronic and manual transmissions, clutches, differentials, AWD systems, transfer cases, PASM, air suspension, high-performance brakes, suspension and steering, wheel bearings, electrical and electronic diagnostics, batteries and charging systems, air conditioning, tires, alignments and much more.

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We can also diagnose many of the systems found in Porsche E-Hybrid models, Taycan, Macan Electric and other electrified Porsche vehicles.

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Trust your VF Auto technician for all your Porsche maintenance and repair needs.

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We diagnose before we replace.

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On a Porsche, this philosophy is particularly important. Many components are expensive, and a symptom that appears to indicate a major failure can sometimes be caused by a sensor, electrical supply, leak, adaptation issue or another system.

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VF AUTO: YOUR PORSCHE SPECIALIST

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Porsche is known for designing vehicles in which every major system contributes directly to the driving experience.

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The engine, transmission, brakes, suspension and electronics work together to create the performance characteristics associated with the brand.

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That also means proper Porsche diagnosis requires more than simply reading fault codes.

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At VF Auto, we tailor our approach to the specific model, generation, engine and equipment installed in your vehicle.

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COMMON PORSCHE PROBLEMS WE DIAGNOSE AND REPAIR

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Coolant leaks and water-pump concerns

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The cooling system is particularly important in a high-performance engine.

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Coolant loss can involve:

• Water pump

• Thermostat

• Expansion tank

• Coolant pipes

• Connections

• Radiators

• Auxiliary cooling circuits

• Turbocharger or battery cooling systems depending on the vehicle

 

Porsche has published numerous technical procedures relating to cooling pumps and cooling circuits across different generations.

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Even certain earlier 996-generation 911 and 986 Boxster vehicles were included in a campaign involving a coolant pump whose impeller could deteriorate.

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Symptoms may include:

• Falling coolant level

• Coolant smell

• Leakage underneath the vehicle

• Cooling fans operating frequently

• Temperature warnings

• Overheating

 

We can pressure-test the cooling system and accurately determine where coolant is being lost before replacing components.

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Panamera – coolant-pump and high-temperature warnings

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On certain 971-generation Panamera vehicles, Porsche documented a condition where a “Coolant Temperature Too High” warning can be associated with the coolant pump or a related control valve.

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This is a good example of why the first component associated with a fault should not automatically be replaced.

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The coolant pump may have failed, but the component controlling it can sometimes be the actual cause.

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VF Auto evaluates the complete system.

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IMS concerns – certain earlier 911, Boxster and Cayman models

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Owners of earlier Porsche vehicles are often familiar with the term IMS – Intermediate Shaft Bearing.

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Certain engine generations used in the 996 911, some 997 vehicles and earlier Boxster/Cayman models use intermediate-shaft-bearing designs that vary by model year and engine.

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Not every Porsche from this period is affected in the same way.

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It is therefore important to identify:

• Exact model

• Model year

• Engine

• Bearing design

• Previous repairs

• Maintenance history

before drawing conclusions.

 

On an older Porsche, we can evaluate the vehicle's history and symptoms and advise you on appropriate inspection rather than automatically assuming an IMS repair is required.

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Internal engine wear, oil consumption and engine noise

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Oil consumption, exhaust smoke, engine noise and misfires can have several possible causes.

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Depending on the engine, diagnosis may include:

• Air-oil separator / crankcase ventilation

• External leakage

• Spark plugs

• Ignition coils

• Fuel injectors

• Compression

• Cylinder leak-down

• Cylinder condition

• Oil pressure

• Timing system

 

Certain earlier Porsche engines can also develop cylinder-wall wear or damage.

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A major engine diagnosis should never be based on noise or oil consumption alone.

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When appropriate, we can perform mechanical testing and internal inspection to obtain a better picture of actual engine condition.

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Air-oil separator and crankcase ventilation

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Porsche engines use an air-oil-separation and crankcase-ventilation system.

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A problem in this system can cause:

• Exhaust smoke

• Oil consumption

• Rough idle

• Whistling

• Check engine light

• Mixture faults

• Oil leaks

 

These symptoms can resemble a much more serious internal engine condition.

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We therefore evaluate crankcase ventilation before assuming the engine itself has suffered a major failure.

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Ignition coils, spark plugs and misfires

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High-performance Porsche engines place significant demands on the ignition system.

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An ignition coil, spark plug, injector, intake leak, fuel-delivery concern or mechanical condition can all create a misfire.

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A cylinder-specific fault code does not automatically mean that cylinder's ignition coil should be replaced.

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We analyze misfire data and perform the appropriate testing to identify the actual cause.

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Turbocharger and boost-control concerns

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Many modern 911, Cayenne, Macan and Panamera models use turbocharged engines.

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Reduced performance or a boost-pressure fault can involve:

• Turbocharger

• Wastegate

• Actuator

• Boost leakage

• Intercooler

• Control valve

• Sensor

• Electronic controls

• Intake system

 

A boost problem does not automatically mean the turbocharger needs replacement.

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We test the complete system before condemning an expensive component.

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PDK transmission concerns

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The Porsche Doppelkupplung – PDK is a highly sophisticated dual-clutch transmission.

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It incorporates:

• Clutches

• Hydraulic circuits

• Electronics

• Sensors

• Adaptations

• Cooling systems

• Mechatronic controls

 

Symptoms such as:

• Harsh shifting

• Hesitation

• Delayed engagement

• Transmission warnings

• Reduced driving mode

• Vibration

• Incorrect gear selection

can have several possible causes.

 

Porsche has published technical bulletins involving PDK concerns where control valves can stick or operate incorrectly.

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On certain applications, Porsche's repair procedure even calls for cleaning the transmission-fluid lines and cooler before deciding whether the PDK control unit requires replacement.

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That approach closely matches our philosophy:

diagnose before replacing.

PDK maintenance

PDK transmissions require the correct fluids and service procedures.

Intervals and specifications vary according to the model and transmission generation.

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VF Auto identifies the exact transmission installed so we can use:

• Correct fluid

• Correct filter when applicable

• Correct filling temperature

• Correct level-setting procedure

• Required adaptations when appropriate

 

Manual transmissions and clutches

 

Many 911, Boxster, Cayman and other Porsche models use manual transmissions.

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Clutch slipping, vibration or difficult shifting can involve:

• Clutch assembly

• Flywheel

• Hydraulic system

• Engine or transmission mounts

• Transmission itself

 

We inspect the complete system before recommending major repairs.

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Macan – transfer-case shudder and low-speed jerking

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The Macan uses a sophisticated all-wheel-drive system.

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Low-speed shuddering or jerking can sometimes feel like a transmission problem.

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Porsche has specifically documented transfer-box shudder and jerking at low speed on certain Macan vehicles, particularly during manoeuvring with greater steering angles.

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In some applications, Porsche identified AWD control-unit software as the cause rather than a mechanical transfer-box failure.

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We therefore analyze operating data, fault memory and the exact conditions under which the symptom occurs before replacing drivetrain components.

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Cayenne and Macan AWD systems

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Cayenne and Macan all-wheel-drive systems can contain several components:

• Transfer case

• Differentials

• Driveshafts

• Clutches

• Sensors

• ABS/PSM

• Electronic control modules

 

A vibration, noise or unusual driving behaviour can originate from several different areas.

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Tire size and tire-wear differences are also important on a high-performance AWD vehicle.

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We diagnose the complete system before recommending an expensive transfer case or differential.

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PASM – Porsche Active Suspension Management

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Many Porsche models use PASM to electronically control damper operation.

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A suspension warning can involve:

• Damper

• Sensor

• Wiring

• Ride-height sensor

• Electrical problem

• Control module

 

Replacing dampers is therefore not automatically the first step.

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We analyze fault codes and system signals before recommending components.

Air suspension – Cayenne, Panamera, Macan and Taycan

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Depending on model and equipment, several Porsche vehicles use adaptive air suspension.

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The system can include:

• Air springs

• Dampers

• Compressor

• Valve block

• Ride-height sensors

• Air lines

• Electronic controls

 

Symptoms can include:

• Vehicle lowering while parked

• One side sitting lower

• Compressor running frequently

• Suspension warning

• Vehicle failing to raise

 

Porsche continues to use and document these systems across modern Panamera, Cayenne, Macan and Taycan vehicles.

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A compressor that runs continuously can simply be compensating for a leak.

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We look for the cause, not simply the component working the hardest.

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High-performance braking systems

 

Porsche vehicles can use very different braking systems depending on configuration:

• Conventional iron brakes

• Large-performance brake packages

• Multi-piston calipers

• Porsche Surface Coated Brake systems

• Porsche Ceramic Composite Brakes

 

Correctly identifying the system is essential before parts are ordered or service is performed.

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Brake vibration can also involve tires, hubs, suspension or disc thickness variation rather than simply a “warped rotor.”

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We inspect the system before replacing expensive components.

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Suspension, control arms and wheel bearings

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Porsche's characteristic steering precision depends heavily on suspension condition.

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Bushings, control arms, links, ball joints, mounts and wheel bearings can develop wear over time.

 

On a performance vehicle, even relatively minor looseness can affect:

• Alignment

• Tire wear

• Stability

• Steering precision

 

We identify the components that are actually worn rather than unnecessarily replacing complete suspension assemblies.

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Active exhaust and performance systems

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Certain Porsche vehicles use active exhausts, dynamic engine mounts, active aerodynamic equipment and other electronically controlled performance systems.

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A chassis or performance warning can therefore involve an actuator, sensor, electrical supply or control module rather than a major mechanical failure.

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We can evaluate these systems to determine the actual cause.

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12-volt batteries and electronic problems

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Modern Porsche vehicles contain numerous electronic control modules and can be sensitive to insufficient system voltage.

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A weak battery can trigger several warnings involving:

• PSM

• PASM

• Transmission

• Start/Stop

• Parking brake

• Driver-assistance systems

• Suspension

• AWD system

 

That does not necessarily mean all of those systems have failed.

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We first evaluate the battery, state of charge, charging system, grounds and electrical supplies.

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Porsche Communication Management – PCM

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PCM controls infotainment, navigation, communications and numerous vehicle functions.

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A system that reboots, displays a black screen or loses certain functions can involve:

• Software

• Control module

• Electrical power

• Communication network

• Display

• Another electronic system

 

We diagnose the complete system before replacing an expensive module.

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Panamera and Cayenne E-Hybrid systems

 

Porsche E-Hybrid vehicles combine a combustion engine, electric motor and high-voltage battery.

 

The system can include:

• High-voltage battery

• Electric motor

• Power electronics

• Charging equipment

• DC/DC converter

• Specialized cooling systems

• 12-volt battery

 

On certain Panamera E-Hybrid vehicles, Porsche documented high-voltage-battery cooling-pump faults that could actually result from air trapped in the low-temperature cooling circuit.

 

This is another example of why a hybrid-system code does not automatically mean an expensive high-voltage component has failed.

 

Taycan and high-voltage systems

 

The Taycan uses sophisticated high-voltage architecture designed for very high performance and fast charging.

 

The vehicle incorporates:

• High-voltage battery

• Electric motors

• Inverters

• DC/DC converter

• Onboard charging system

• 12-volt battery

• Thermal management

• Multiple cooling circuits

• High-voltage electronic networks

 

A charging problem or electric-system warning does not automatically mean the high-voltage battery needs replacement.

 

A 12-volt battery, charging unit, control module, sensor, thermal-management concern or power-electronics fault can create similar symptoms.

 

Complete diagnosis is essential before expensive high-voltage components are replaced.

 

Macan Electric and Cayenne Electric

 

Porsche is rapidly expanding its electric range.

 

Porsche Canada's lineup now includes the electric Macan, and the Cayenne is also available with a new fully electric powertrain.

 

These vehicles use a fundamentally different architecture from gasoline-powered Macan and Cayenne models.

 

Diagnosis therefore needs to consider:

• High-voltage system

• 12-volt network

• Electric drive motors

• Charging system

• Thermal management

• Chassis systems

• Power electronics

 

At VF Auto, our philosophy remains the same regardless of powertrain:

understand the problem before replacing components.

 

PORSCHE PREVENTIVE MAINTENANCE

 

Preventive maintenance plays an essential role in preserving Porsche reliability and performance.

 

VF Auto can take care of your Porsche's recommended maintenance, including:

• Oil changes using the correct specification

• Filters

• Spark plugs

• Ignition coils when required

• Accessory belts

• Brake fluid

• Coolant

• Water-pump and thermostat inspections

• PDK service

• Tiptronic transmission service

• Manual transmission service

• Clutch service

• Transfer cases

• Differentials

• AWD systems

• High-performance brakes

• PASM

• Air suspension

• Battery and charging system

• Tires and alignments

• Suspension and steering

• Air conditioning

• Electronic diagnostics

• Hybrid systems

• High-voltage electric systems

• Complete vehicle inspections

 

On a high-performance Porsche engine, correct oil, correct specification, proper oil level and appropriate service intervals are particularly important.

 

Tires are equally important.

 

On a high-performance or AWD Porsche, correct sizing, appropriate specifications and relatively even tire wear can affect both handling and drivetrain operation.

 

We can also inspect your Porsche and clearly explain what needs attention now, what should be planned for the near future and what can safely wait.

 

No surprises. No unnecessary repairs. Just what your Porsche actually needs.

 

WHY CHOOSE VF AUTO FOR YOUR PORSCHE?

 

Porsche-specialized technicians

 

Our team has the experience required to work with boxer engines, turbocharged engines, V6 and V8 powertrains, PDK transmissions, AWD systems, PASM, air suspension and Porsche electronic systems.

 

Diagnosis before replacement

 

Porsche components can be expensive.

 

Guessing becomes costly very quickly.

 

We use system data, mechanical testing and diagnostic procedures to identify the cause before recommending major repairs.

 

Knowledge of different Porsche generations

 

A 996, 997, 991 and 992-generation 911 are very different vehicles.

 

The same is true of different generations of Boxster, Cayman, Cayenne, Panamera and Macan.

 

We tailor our diagnostic strategy to the exact vehicle generation.

 

PDK expertise

 

A PDK is not a conventional automatic transmission.

 

We consider clutch operation, mechatronics, hydraulics, adaptations and electronics before recommending repairs.

 

Older and classic Porsche models

 

We understand that many owners want to preserve an older 911, Boxster, Cayman, Cayenne or other Porsche for many years.

 

We can tailor our recommendations to the vehicle's age, overall condition, use and value.

 

High-performance models

 

911 Turbo, GT3, GT4, GTS, Cayenne Turbo and other performance models require particular attention to fluids, cooling, brakes and chassis components.

 

Hybrid and electric vehicles

 

Panamera and Cayenne E-Hybrid models, Taycan, Macan Electric and newer Porsche EVs require a specialized approach.

 

We consider the high-voltage system, 12-volt network, cooling and power electronics together before recommending expensive components.

 

Competitive and transparent pricing

 

Driving a Porsche doesn't mean every maintenance service and repair needs to automatically come with dealership pricing.

 

We clearly explain recommended repairs and costs before performing the work.

Quality parts

 

We can install genuine Porsche components or high-quality European replacement parts depending on the application, your preferences and your budget.

 

Complete automotive service

 

Maintenance, engines, turbochargers, cooling systems, PDK and Tiptronic transmissions, clutches, AWD, transfer cases, PASM, air suspension, high-performance brakes, electronic diagnostics, tires, alignments, hybrids and electric vehicles.

 

A true alternative to the Porsche dealership

 

Your Porsche deserves a shop that understands what makes it different.

 

At VF Auto, our goal is to provide the expertise your vehicle needs while offering a more personal, transparent and cost-effective approach.

 

YOUR PORSCHE DESERVES A SPECIALIST

 

Whether your Porsche simply needs scheduled maintenance or you're dealing with a coolant leak, oil consumption, engine misfire, loss of boost, PDK problem, transfer-case shudder, PASM fault, sagging air suspension or difficult electronic concern, VF Auto is ready to help.

 

Our philosophy is simple:

Diagnose it properly.
Repair what is necessary.
Avoid unnecessary expenses.
 

Preserve the performance and driving experience of your Porsche.

 

Contact VF Auto to schedule maintenance or repair for your Porsche.

 

PORSCHE MODELS

911 Carrera, Carrera S, Carrera 4, Carrera 4S, Targa, Turbo, Turbo S, GT3, GT3 RS, Boxster, 718 Boxster, Cayman, 718 Cayman, Cayman GT4, Macan, Macan S, Macan GTS, Macan Turbo, Macan Electric, Cayenne, Cayenne S, Cayenne GTS, Cayenne Turbo, Cayenne E-Hybrid, Cayenne Coupé, Cayenne Electric, Panamera, Panamera 4, Panamera GTS, Panamera Turbo, Panamera E-Hybrid, Taycan, Taycan Cross Turismo and other Porsche models.

 

VF AUTO MÉCANIQUE LONGUEUIL

1616 rue Verchères
Longueuil, QC J4K 2Z7

Parts & Service: 450-928-1011

 

We serve customers throughout Longueuil, Saint-Hubert, Brossard, Saint-Lambert, Boucherville, Greenfield Park and surrounding areas.

Monday to Friday: 8 AM–5 PM