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water pump

  1. timing chain and water pump lifespan?

    Care, Maintenance, and Troubleshooting
    I have only owned cars with timing belts and would replace the belt/ water pump at around 70000 miles. My spyder has 110k on it and I am wondering about the lifespan of these tming chains. Is this an interference motor? And if so should I replace the chain or just the guides. One more question...