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How do you replace a Porsche timing chain tensioner?

How do you replace a Porsche timing chain tensioner?

Use a 27mm socket and ratchet to break loose the tensioner. Note that the tensioner has lots of threads; therefore, it will take a lot of turning to remove it. Replace one tensioner at a time. Prime the new tensioner. Soak the new tensioner in engine oil; while it is soaked in oil, pump it a few times to prime it.

What do you need to know about timing chain replacement?

Also verify that your model is equipped with a timing chain and not a timing belt. These two parts perform the same task, but replacing them can be quite different. This procedure is only for replacing a timing chain. Clean the engine with the proper degreaser thoroughly before beginning.

What are the bright links on a timing chain?

Locate marks or “bright” links in your timing chain. These links are brighter than the other links and are used to align your engine. Set your engine to top dead center. To get your engine to top dead center, line the bright links on the timing chain up with the marks on your camshaft and crankshaft gears.

Can a IMS chain tensioner be replaced in a Porsche?

Porsches have up to three tensioners. IMS chain tensioner and bank 4-6 tensioner can be replaced with the engine in the car. Bank 1-3 tensioner may require accessories to be removed to access it. Use a 27mm socket and ratchet to break loose the tensioner.

When do you know to change the timing chain?

A timing chain runs inside the engine, as it needs to be lubricated by the engine oil. A timing belt typically needs to be replaced between 40,000 and 100,000 miles depending on the vehicle and it’s a few hundred dollar repair. A timing chain doesn’t need to be replaced unless there is a problem with it.

How does a chain tensioner work on a timing chain?

A timing chain is kept under proper tension by a chain tensioner. A chain tensioner could be operated by a spring-loaded mechanism or oil pressure. Timing chain, tensioner and chain guides. See timing chain animation. Chain guides and silencers are used to keep the timing chain from vibrating. All these components wear too.

Can a timing chain be replaced on a pushrod car?

In old-style pushrod engines, replacing the timing chain is a fairly easy task. No such luck if you have a modern front-wheel drive car with a transversely-mounted engine, as the space in the engine compartment could be very tight.

How is a timing chain different from a bicycle chain?

Timing chain. A timing chain is made of metal, similar to a bicycle chain. A timing chain runs inside the engine, as it needs to be lubricated by the engine oil.

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Ruth Doyle