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Design 911 Design 911 supply Porsche parts, Porsche spares and Porsche accessories, to both retail and to the trade. Our Porsche product and accessory range includes brakes, exhausts, tyres, wheels and Porsche panels and interiors. https://d911api.datadial.net/images/schemaLogo.png https://d911api.datadial.net/images/schemaLogo.png +443456003478 https://d911api.datadial.net Facebook Instagram

Specialist Tools

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DISPLAYING 1 to 4 (of 4 products)
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C4020
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Product Information

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.

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6547
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Connector removal tool - for VAG, Porsche

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.

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6547
6547

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7859
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Connector removal tool long series - for VAG/Porsche

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
7859

The product you are viewing cross references to these numbers
SR028
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Mounting bolt kit for engine & gearbox stand

stomski

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.
DISPLAYING 1 to 4 (of 4 products)
About Specialist Tools

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.

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