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Toyota Service
Toyota Service, Toyota Expert
Category: Toyota
Satisfied Customers: 4750
Experience:  30+ Yrs of auto experience, Award Winning Svc. Manager; Just Answer Customer's Choice Award Winner
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How to replace the back spark plugs from a toyota sienna

Customer Question

how to replace the back spark plugs from a toyota sienna 2001
Submitted: 1 year ago.
Category: Toyota
Expert:  Toyota Service replied 1 year ago.

Hello. Welcome to Just Answer. Please allow me to assist you. The back plugs are very difficult to replace. In the shop, we find that by removing the intake plenum, the rear plugs are very easy to get to. This sounds like a lot of work, but, compared to trying to get the rear plugs out without pulling the intake, the time is actually cut in half. Remember to use new intake manifold gaskets when you pull the plenum.

Expert:  Toyota Service replied 1 year ago.

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Customer: replied 1 year ago.
Do you have any instruction on how to remove the intake plenum?
Expert:  Toyota Service replied 1 year ago.

Remove the battery, the air filter box and the intake tube. Remove the 4 bolts from the throttle body and let it hang. Remove all of the intake manifold bots and pull it off. Use new intake manifold gaskets and a new throttle body gasket.