Specialist Tools
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>
- Porsche 957 Cayenne S/GTS 4.8L 2007-10
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
- 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 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 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
Timing Chain Tensioner Tool – Essential Tool for Accurate Camshaft Timing Setup
This timing chain tensioner tool is engineered for
use on Porsche 955 and 958 Cayenne as well as the Porsche 970
Panamera, providing precise control over chain tension during camshaft
timing procedures. Designed to deliver the correct tension on the primary
timing chain, this tool ensures stable and accurate camshaft alignment while
performing timing chain replacement, camshaft servicing, cylinder-head repairs,
or full engine rebuilds.
Fits:
Accurate timing chain tension is critical for Porsche’s high-performance V6 and V8 engines. Without the correct tension, cam timing can drift—leading to misfires, VVT faults, power loss, and even severe engine damage. This specialised tensioner tool guarantees consistent and professional timing accuracy on every job.
What the Timing Chain Tensioner Tool Does
This tool is used to:
- Apply
precise tension to the primary timing chain during service
- Prevent
camshaft movement while setting or adjusting timing
- Support
accurate alignment of camshafts and crankshaft
- Ensure correct chain slack and tension for VVT operation
- Improve
safety and consistency during timing chain and guide replacement
- Provide stable positioning for professional engine rebuilds
By replicating operational chain tension, the tool ensures timing is set exactly where the engine expects it to be.
Why Timing Chain Systems Fail on Porsche Cayenne & Panamera Engines
Timing chain issues on Porsche V6/V8 engines often arise due
to:
- Chain
stretch from heat and high mileage
- Worn
chain guides or rails creating slack or drift
- Tensioner
fatigue, particularly on older models
- VVT
cam phaser wear, affecting timing angles
- Oil
sludge or low lubrication, reducing tensioner effectiveness
- Incorrect chain tension during previous servicing
- Thermal expansion causing chain elongation
Symptoms include timing rattle, hesitation, fault codes, poor performance, and rough idle.
Why You Should Replace or Use a Precision Timing Chain Tensioner Tool
Using a high-quality timing chain tensioner tool ensures:
- Accurate timing chain tension during setup
- Correct
camshaft alignment, preventing timing deviation
- Protection against piston-to-valve interference
- Proper VVT system calibration
- Reduced risk of long-term engine damage
- Professional,
repeatable results during timing and rebuild work
- Confidence when servicing complex Porsche engines
This tool is essential for any workshop performing timing chain or camshaft repairs on modern Porsche Cayenne and Panamera engines.
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

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.