Specialist Tools
Air Conditioning Compressor Clutch Holding Tool – Secure and Damage-Free Clutch Removal for A/C Compressor Servicing
This air conditioning compressor clutch holding tool is designed to securely hold the compressor clutch in place during removal or servicing. Air conditioning compressors are fitted with a clutch assembly that must be held firmly while the retaining nut or bolt is removed. Attempting clutch removal without the correct holding tool risks damage to the pulley, clutch plate, compressor shaft, or surrounding components.
Whether performing routine service, replacing a worn clutch, diagnosing aircon failure, or rebuilding an A/C compressor, this tool ensures a fast, controlled and professional-level repair.
What This A/C Compressor Clutch Holding Tool Does
This specialist tool allows technicians to:
- Secure
the A/C compressor clutch during removal or installation
- Prevent
rotation of the clutch plate when loosening or tightening fasteners
- Protect
compressor internals from damage caused by incorrect tool use
- Enable safe removal of worn or seized clutch assemblies
- Support complete air conditioning compressor rebuilds
- Ensure proper alignment and torque application during reassembly
Ideal for workshops and enthusiasts working on Porsche and other premium vehicle air conditioning systems.
Why A/C Compressor Clutches Fail
Common causes of compressor clutch wear or failure include:
- Heat stress from engine bay temperatures
- Bearing
wear, causing noise or excessive vibration
- Electromagnetic
coil failure, resulting in intermittent engagement
- Pulley
misalignment, wearing clutch plates unevenly
- Low
refrigerant levels, forcing the clutch to cycle excessively
- Contamination inside the A/C system
- Age-related degradation of friction materials
When these symptoms occur, clutch removal is essential for repair or replacement—making a purpose-built holding tool indispensable.
Why This Tool Should Be Used or Replaced
Upgrading to a quality clutch holding tool ensures:
- Damage-free clutch removal
- Accurate and stable clutch locking
- Reduced risk of bending, warping or scratching components
- Efficient and safe A/C compressor servicing
- Long-term reliability during repeated workshop use
- Professional-grade results for both road and performance vehicles
Using improvised tools can damage the clutch or compressor—leading to an expensive replacement rather than a simple repair.
For the removal of VAG & Porsche push and pull connectors.
• For the removal of VAG and Porsche connectors.
• Connectors are found on MAF sensors, coil packs, headlights, fog lights, level sensors, map sensors etc.
• Fits directly onto the push and pull connectors.
• Black plastic handle for easy grip.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
6547
The product you are viewing cross references to these numbers
For the removal of VAG and Porsche connectors found on MAF sensors, coil packs, headlights, fog lights, level sensors, map sensors etc.
• Fits directly on to the push and pull connectors and opens the locking tabs as pressure is applied.
• Applications include MAF sensors, coil packs, MAP sensors, CPS sensors and light connectors.
• Soft grip T-handle.
• 20mm offset head, 160mm long. EU Registered Design.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
7859
The product you are viewing cross references to these numbers
- Porsche 958 Cayenne V6 3.6L Petrol 300Hp 2010-17
- Porsche 958 Cayenne S V8 4.8L Petrol 400HP 2010-17
- Porsche 958 Cayenne GTS V8 4.8L Petrol 400HP 2010-17
- Porsche 958 Cayenne Turbo V8 4.8L Petrol 500HP 2010-17
- Porsche 958 Cayenne Turbo S V8 4.8L Petrol 550HP 2010-17
- Porsche 9YA Cayenne V6 3.0L Petrol 340Hp 2018-23
- Porsche 9YA Cayenne Coupe V6 3.0L Petrol 340Hp 2019-23
- Porsche 9YA Cayenne E-Hybrid V6 3.0L V6 340Hp 2018-23
- Porsche 9YA.2 Cayenne V6 3.0L Petrol 353Hp 2023>>
- Porsche 9YA.2 Cayenne Coupe V6 3.0L 353Hp 2023>>
- Porsche 970.1 Panamera V6 3.6L 2WD 2009-13
- Porsche 970.1 Panamera 4 V6 3.6L 4WD 2009-13
- Porsche 970.1 Panamera S V8 4.8L 2009-13
- Porsche 970.1 Panamera 4S V8 4.8L 2009-13
- Porsche 970.1 Panamera GTS V8 4.8L 2011-13
- Porsche 970.1 Panamera Turbo V8 4.8L 2009-13
- Porsche 970.1 Panamera Turbo S V8 4.8L 2009-13
- Porsche 970.2 Panamera V6 3.6L 2WD (310Hp) 2014-16
- Porsche 970.2 Panamera 4 V6 3.6L 4WD (310Hp) 2014-16
- Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD (420Hp) 2014-16
- Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD Executive 2014-16
- Porsche 970.2 Panamera 4S V6 Turbo 3.0L 4WD (420Hp) 2014-16
- Porsche 970.2 Panamera 4S V6 Turbo 3.0L 4WD Executive 2014-16
- Porsche 970.2 Panamera GTS V8 4.8L 4WD (440Hp) 2014-16
- Porsche 970.2 Panamera Turbo V8 4.8L (520Hp) 2014-16
- Porsche 970.2 Panamera Turbo V8 Executive 2014-16
- Porsche 970.2 Panamera Turbo S V8 4.8L 2014-16
- Porsche 971.1 Panamera V6 3.0L 2WD (330 Hp) 2017-20
- Porsche 971.1 Panamera 4 V6 3.0L 4WD (330 Hp) 2017-20
- Porsche 971.1 Panamera 4 V6 3.0L 4WD Executive 2017-20
- Porsche 971.1 Panamera 4 3.0L Turbocharged V6 Sport Turismo 2017-20
- Porsche 971.1 Panamera 4S V6 3.0L 4WD (440 Hp) 2017-20
- Porsche 971.1 Panamera 4S V6 3.0L 4WD Executive 2017-20
- Porsche 95B.1 Macan S Petrol 3.0L V6 340Bhp 2014-18
- Porsche 95B.1 Macan GTS Petrol 3.0L V6 360Bhp 2014-18
- Porsche 95B.1 Macan Turbo 3.6L V6 400Bhp 2014-18
- Porsche 95B.2 Macan S Petrol 3.0L V6 354Bhp 2019-21
Crankshaft Oil Seal Fitting Tool – Precision Installer for Rear & Front Main Seals
This crankshaft oil seal fitting tool is designed to accurately install rear and front crankshaft seals on modern Porsche engines found in the 95B Macan, 970/971 Panamera, and 9YA Cayenne model ranges.
Fits:
- Porsche 958 Cayenne V6 3.6L Petrol 300Hp 2010-17
- Porsche 958 Cayenne S V8 4.8L Petrol 400HP 2010-17
- Porsche 958 Cayenne GTS V8 4.8L Petrol 400HP 2010-17
- Porsche 958 Cayenne Turbo V8 4.8L Petrol 500HP 2010-17
- Porsche 958 Cayenne Turbo S V8 4.8L Petrol 550HP 2010-17
- Porsche 9YA Cayenne V6 3.0L Petrol 340Hp 2018-23
- Porsche 9YA Cayenne Coupe V6 3.0L Petrol 340Hp 2019-23
- Porsche 9YA Cayenne E-Hybrid V6 3.0L V6 340Hp 2018-23
- Porsche 9YA.2 Cayenne V6 3.0L Petrol 353Hp 2023>>
- Porsche 9YA.2 Cayenne Coupe V6 3.0L 353Hp 2023>>
- Porsche 970.1 Panamera V6 3.6L 2WD 2009-13
- Porsche 970.1 Panamera 4 V6 3.6L 4WD 2009-13
- Porsche 970.1 Panamera S V8 4.8L 2009-13
- Porsche 970.1 Panamera 4S V8 4.8L 2009-13
- Porsche 970.1 Panamera GTS V8 4.8L 2011-13
- Porsche 970.1 Panamera Turbo V8 4.8L 2009-13
- Porsche 970.1 Panamera Turbo S V8 4.8L 2009-13
- Porsche 970.2 Panamera V6 3.6L 2WD (310Hp) 2014-16
- Porsche 970.2 Panamera 4 V6 3.6L 4WD (310Hp) 2014-16
- Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD (420Hp) 2014-16
- Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD Executive 2014-16
- Porsche 970.2 Panamera 4S V6 Turbo 3.0L 4WD (420Hp) 2014-16
- Porsche 970.2 Panamera 4S V6 Turbo 3.0L 4WD Executive 2014-16
- Porsche 970.2 Panamera GTS V8 4.8L 4WD (440Hp) 2014-16
- Porsche 970.2 Panamera Turbo V8 4.8L (520Hp) 2014-16
- Porsche 970.2 Panamera Turbo V8 Executive 2014-16
- Porsche 970.2 Panamera Turbo S V8 4.8L 2014-16
- Porsche 971.1 Panamera V6 3.0L 2WD (330 Hp) 2017-20
- Porsche 971.1 Panamera 4 V6 3.0L 4WD (330 Hp) 2017-20
- Porsche 971.1 Panamera 4 V6 3.0L 4WD Executive 2017-20
- Porsche 971.1 Panamera 4 3.0L Turbocharged V6 Sport Turismo 2017-20
- Porsche 971.1 Panamera 4S V6 3.0L 4WD (440 Hp) 2017-20
- Porsche 971.1 Panamera 4S V6 3.0L 4WD Executive 2017-20
- Porsche 95B.1 Macan S Petrol 3.0L V6 340Bhp 2014-18
- Porsche 95B.1 Macan GTS Petrol 3.0L V6 360Bhp 2014-18
- Porsche 95B.1 Macan Turbo 3.6L V6 400Bhp 2014-18
- Porsche 95B.2 Macan S Petrol 3.0L V6 354Bhp 2019-21
Manufactured to match the exact size, depth and alignment required for Porsche’s advanced crankshaft sealing systems—especially those on EA839 V6/V8 engines—this tool ensures the seal is pressed in square, flush and damage-free.
Crankshaft oil seals play a critical role in maintaining oil pressure and preventing external leaks. Incorrect installation can lead to premature seal failure, oil loss, crankcase contamination and even engine damage. This precision tool guarantees correct seating every time, making it essential for both workshops and skilled home technicians.
What This Crankshaft Oil Seal Fitting Tool Does
This tool allows you to:
- Press-fit
crankshaft oil seals to the exact depth required
- Ensure
perfect alignment with the crankshaft journal
- Prevent seal distortion, tearing or over-compression
- Avoid leaks caused by uneven or incorrect installation
- Speed
up seal replacement during timing, rebuild or engine-out work
- Support both front crank seal and rear main seal installation
Designed specifically for tight tolerances and sealing profiles used in Porsche’s modern engines.
Why Crankshaft Oil Seals Fail on Porsche Engines
Crankshaft seals can fail prematurely due to:
- Incorrect installation without a precision fitting tool
- Heat cycles causing seal hardening
- Crankcase pressure fluctuations
- Worn or unbalanced crankshaft surfaces
- Oil
contamination damaging the sealing lip
- Driving conditions causing thermal expansion and contraction
- Age-related seal shrinkage
Replacing the seal without the proper tool risks leaks, vibration and costly repeat repairs.
Why You Should Use or Replace With a Dedicated Seal Fitting Tool
A purpose-designed crankshaft seal installer ensures:
- Perfect, damage-free seal installation
- Correct seating depth for long-term leak prevention
- Even pressure application across the seal’s surface
- No risk of cocking, bending or rolling the sealing lip
- Professional-level
accuracy during engine servicing
- Improved reliability in high-performance EA839 engines
Replacing worn or poorly machined tools prevents misalignment and sealing failures.

Finally an elegant way to secure your engine to the engine yoke. No need for sockets, washers, and oversized nuts to take up slack. Use these knurled nuts and adapters to mount the different length case studs to the yoke. These adapters allow clearance for mounting the clutch. Hard-coated aluminum and stainless steel for years of service.
Specialist Tools for Accurate, Efficient & High-Quality Porsche Engine Rebuilds
Engine rebuilds require precise measurements, correct assembly procedures and the right equipment to ensure every component fits and functions exactly as intended. Specialist tools are essential when working on Porsche engines due to their unique engineering, tight tolerances and model-specific service procedures. These tools enable technicians and enthusiasts to dismantle, inspect, rebuild and calibrate engines with professional accuracy—reducing the risk of damage, misalignment or incorrect installation.
Whether performing a full engine restoration, carrying out timing work, inspecting internal components or installing performance parts, using the correct specialist tools guarantees a reliable, long-lasting and high-quality rebuild.
What Specialist Engine Rebuild Tools Do
High-quality specialist tools ensure precision and safety
throughout the rebuild process. They are designed to:
- Accurately
measure critical tolerances, including bore, deck height, ring gap and
valve clearances
- Correctly
install and remove components such as crankshafts, pistons, liners and
bearings
- Support
timing procedures, including camshaft alignment and intermediate shaft
setup
- Prevent
damage to delicate components during disassembly and assembly
- Improve
rebuild efficiency with purpose-built fixtures and holding tools
- Ensure
even torque application, promoting proper sealing and component
longevity
- Assist in diagnostic tasks such as leak-down testing or compression verification
Specialist tools are essential for achieving a professional-grade engine build with reliable and repeatable results.
Why Workshop Tools Wear or Fail
Even well-engineered tools degrade over time due to heavy
use, improper handling or exposure to harsh environments. Common causes of
failure include:
- Metal
fatigue from repeated loading
- Worn
or stripped threads on pullers, press tools or torque tools
- Corrosion
from moisture or chemical exposure
- Heat
damage from working near exhaust or cylinder heads
- Loss
of calibration, particularly with measuring or torque-sensitive tools
- Damaged
contact points from misuse or excessive force
- Contamination from debris or workshop dirt
A failing tool can cause inaccurate measurements, unsafe working conditions or even costly engine damage.
Why Specialist Tools Should Be Replaced or Upgraded
Replacing worn tools or upgrading to precision-engineered
alternatives provides clear benefits:
- Improved
measurement accuracy for critical engine dimensions
- More
reliable component installation, reducing the risk of misalignment
- Safer
workshop practices, preventing injury or engine damage
- Consistent
torque and calibration, essential for sealing and bearing load
- Enhanced
efficiency, saving time during complex rebuild procedures
- Better
compatibility with modern engines and performance upgrades
- Higher quality rebuild outcomes, improving engine reliability and longevity
Using proper tools is an investment in the quality of the rebuild and the health of the engine.