Intake plenum must be removed to service them. The plenum is the upper part of the intake manifold where your air intake hose (from the air filter housing) connects to, don't have to unbolt any lower than that. 2 Brackets on the rear of the manifold support it as well as several easy bolts on top. Best to disconnect the battery while servicing because you will have to disconnect several electrical harnesses/grounds.
The 2001 Toyota Sienna spark plug gap is .023. Most spark plugs will be pre-gapped by the manufacture of the spark plug.
Good and tight, but don't break the thing.
When changing spark plugs it is important to know their location under the hood of the car. For a Toyota Rav4 the spark plugs are under the engine cover that has the car symbol on it.
Same relative position as the front plugs. They are just a lot harder to reach.
When changing the spark plugs on a 2006 Toyota Tacoma make sure the vehicle is off. Use a spark plug socket and pull the spark plug wires. Remove the old spark plugs and properly space and install the new parts.
Toyota says to change at 30,000 mile intervals in order to maintain Emissions warranty.
To locate the spark plugs on a Toyota Sienna, first, open the hood and locate the engine cover, which may need to be removed for better access. The spark plugs are typically found on the top of the engine, connected to the ignition coils. Follow the ignition coil wires to the plugs, which are usually positioned in a row along the cylinder head. Refer to the vehicle’s manual for specific details on your model year, as the configuration may vary.
The spark plugs on the 2nd bank are behind the engine under the crow bar. They can only be felt with hands follow the spark plug wires. Change the spark plugs are very easy but needs the proper spark plug socket and the wrench extension.
The 2006 Toyota Tacoma V-6 engine spark plugs can be removed with a 5/8 deep well socket. Turn the socket to the left to remove the spark plugs.
A 2007 Toyota Prius has 4 spark plugs.
position of spark plugs on 2003 Toyota coralla
At the end of all the spark plug wires.