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- Porsche 958 Cayenne V6 3.6L Petrol (300Hp) 2010-17
- 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 95B.1 Macan Turbo 3.6L V6 (400Bhp) 2014-18
The IWIS Timing Chain is a replacement engine timing component for compatible Porsche applications. The timing chain forms a critical part of the engine's mechanical timing system, transferring rotational drive between timing components and helping maintain the precise relationship required for correct engine operation.
Fits:
- Porsche 958 Cayenne V6 3.6L Petrol (300Hp) 2010-17
- 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 95B.1 Macan Turbo 3.6L V6 (400Bhp) 2014-18
Diagram Ref No 4
The timing chain operates continuously whenever the engine is running and works together with sprockets, chain guides and tensioners. Excessive chain wear, elongation or failure of associated timing components can affect timing accuracy, potentially resulting in noise, poor engine performance, diagnostic faults and serious internal engine damage.
What This Product Does:
The timing chain transfers rotational drive through the engine's timing system and helps keep critical engine components operating in the correct mechanical relationship.
A correctly functioning timing chain helps:
- Maintain accurate mechanical engine timing
- Synchronise the timing drive
- Support correct valve timing
- Transfer rotational drive reliably
- Maintain smooth engine operation
- Support consistent combustion and performance
- Maintain accurate timing throughout the engine speed range
The chain functions as part of a complete system. The condition of its guides, tensioners and sprockets can directly affect timing-chain operation and service life.
Symptoms Of Wear Or Failure:
Timing chains are designed for long service life, but wear can develop due to mileage, inadequate lubrication, contaminated oil or deterioration of associated components.
Possible symptoms include:
- Metallic rattling from the timing-chain area
- Rattle immediately after engine start-up
- Persistent chain noise while the engine is running
- Check Engine Light
- Timing-related diagnostic fault codes
- Camshaft/crankshaft correlation faults
- Rough or unstable idle
- Engine misfires
- Difficult starting
- Poor acceleration
- Reduced engine performance
- Uneven engine operation
- Excessive chain slack
- Timing values outside specification
- Metal or guide material found in the engine oil or filter
Timing-related noises or diagnostic faults should be investigated promptly.
Why Replacement Matters:
The timing chain is fundamental to correct engine operation.
Replacing a confirmed worn or damaged Timing Chain helps:
- Restore correct timing-drive operation
- Maintain accurate mechanical timing
- Reduce excessive chain movement
- Correct problems associated with confirmed chain elongation
- Support smooth and consistent engine operation
- Reduce stress on associated timing components
- Prevent further deterioration of the timing system
- Reduce the risk of major internal engine damage
Timing-chain deterioration should not be ignored because a relatively manageable timing-system repair can become a significantly more expensive engine repair if the chain jumps timing or fails.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94610516975
The product you are viewing cross references to these numbers
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 968 Turbo S 3.0L 1993-94
To help remove all the balance shaft belt and ancillary
products on 944/968 which is only way to make the engine run smoother (After
you’ve removed that stuff these bungs to plug up the holes on the engine, so it
does leak from where the shafts used to be).
So, engine will still run without all that balance shaft
belt and ancillary, maybe a bit rougher but will save a bit of engine power not
having to drive all that stuff and engine weight. (Crankshaft/Camshaft timing
is on a separate timing belt on 944/968)
Replacement Porsche part no 94410292300.
Fits:
- Porsche 944S 2.5L 16V 1987-88 M44.40 engines
- Porsche 924S 2.5L 1987-88 M44.10 engines
- Porsche 944S2 3.0L 16V 1989-91 M44.41 engines
- Porsche 944 Turbo 2.5L 8V 1987-91 M44.52 engines
- Porsche 944 Turbo S 2.5L 8V 1988>> M44.52 engines
- Porsche 968 3.0L 1992-94 M44.43 engines
- Porsche 968 Sport 3.0L 1994-95 M44.43 engines
- Porsche 968 CS 3.0L 1993-95 M44.43 engines
- Porsche 968 Turbo S 3.0L 1993-94 M44.43 engines
Click 'Zoom in' for large parts diagram.
Diagram ref no 1
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
3609509441
The product you are viewing cross references to these numbers