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Porsche // 944 (1982-1991) // 944 2.5L 8V 1982-87
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- Porsche Carrera GT 2003-06
The IWIS Timing Chain is a replacement internal engine timing component for compatible Porsche applications. It forms part of the engine's mechanical timing system, transferring rotational drive between associated timing components and helping maintain the precise synchronisation required for correct engine operation.
Sold Each.
x2 Required Per Engine.
Fits:
- Porsche Carrera GT 2003-06
Diagram Ref No 15
The timing chain transfers rotational drive between associated timing components, helping maintain the correct relationship between crankshaft and camshaft operation. Accurate timing is essential because the pistons and valves must operate in a precisely coordinated sequence throughout the combustion cycle.
Although timing chains are designed for long service life, continuous mechanical loading, heat and friction can gradually cause wear. Chain elongation, worn guides, defective tensioners or damaged sprockets can introduce excessive slack and affect timing accuracy.
What This Product Does:
The timing chain forms part of the mechanical drive responsible for keeping critical internal engine components correctly synchronised.
Its functions include:
- Transferring rotational drive through the timing system
- Maintaining accurate crankshaft-to-camshaft timing
- Supporting correct camshaft operation
- Maintaining correct valve timing
- Keeping associated timing components synchronised
- Supporting smooth and consistent engine operation
The chain must remain correctly tensioned and accurately engaged with its sprockets to maintain the required timing relationship.
Symptoms Of Wear Or Failure:
Possible symptoms of timing-chain or associated timing-system deterioration include:
- Metallic rattling or clattering
- Timing-chain noise during cold starts
- Rattle immediately after engine start-up
- Excessive chain slack
- Timing-chain elongation
- Mechanical noise from the timing area
- Noise that changes with engine RPM
- Rough or irregular engine operation
- Unstable idle
- Difficult starting
- Reduced engine performance
- Misfires
- Engine warning light
- Timing-related diagnostic fault codes
- Camshaft-position faults
- Crankshaft/camshaft correlation faults
- Visible chain wear
- Worn or broken chain guides
- Abnormal sprocket wear
- Metal or plastic debris in the engine oil or filter
These symptoms are not exclusive to the timing chain. Accurate diagnosis should also consider guides, tensioners, sprockets, lubrication and other timing-system components.
Why Replacement Matters:
The timing chain is a critical internal engine component. Once excessive wear, elongation or physical damage has been confirmed, replacement is important for maintaining reliable mechanical timing.
Replacing a worn Timing Chain can help:
- Restore dependable timing-chain operation
- Maintain accurate engine timing
- Restore correct mechanical synchronisation
- Reduce excessive chain slack
- Reduce abnormal timing-chain noise
- Maintain reliable sprocket engagement
- Protect associated guides and sprockets
- Reduce the risk of timing deviation
- Reduce the risk of the chain jumping
- Reduce the risk of chain derailment
- Support smooth engine operation
- Protect expensive internal engine components
Continuing to operate an engine with a confirmed timing-chain problem may allow deterioration to progress and significantly increase repair costs.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
98010532100
The product you are viewing cross references to these numbers
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- 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
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Fits left or right. 2 PER Engine. Sold each.
TIP! If you detect a chain clap or rattling noise in the engine, your timing chain may be worn or stretched and needs replacing. each car has two
Fits:
Porsche 944 1985>>
Porsche 928 1983
Porsche 968
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94410550111
The product you are viewing cross references to these numbers
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- 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
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Fits left or right. 2 PER Engine. Sold each.
TIP! If you detect a chain clap or rattling noise in the engine, your timing chain may be worn or stretched and needs replacing. each car has two
Fits:
Porsche 944 1985>>
Porsche 928 1983
Porsche 968
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94410550111
The product you are viewing cross references to these numbers
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- 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 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
One kit fits one adjuster
Fits:
Porsche 944 S 2.5L 1987>>
Porsche 944 S2 3.0L 1989-91
Porsche 928 1983
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94410594900
The product you are viewing cross references to these numbers