How long does it take to change spark plugs in Toyota Sienna?
The front three plugs can be replaced in about 15 minutes, but be prepared to set aside an additional two to four hours for the rear three plugs. Grab the smaller Allen wrench and unlock the three bolts on the front of the frame.
How to replace the rear spark plugs without removing intake?
It all was able to fit while installing and removing the plugs while the extension and plug socket were taped together. This keeps the extension from accidentally pulling out of the spark plug socket. For the left rear plug, it was easier to get access by removing the bracket that holds a large bundle of wires and pushing them out of the way.
How do you change the battery in a Toyota Sienna?
While wearing gloves, use the 10-millimeter wrench to loosen the bolts on the battery. Carefully remove both sides and separate them from the battery, being extra careful not to touch both connections at the same time (otherwise you could get shocked). There should be a slight sizzling sound, which is okay.
What causes a check engine light on a Toyota Sienna?
While it’s not common for these coils to fail, this can happen over time resulting in a check engine light being triggered on your Sienna dash. The check engine trouble code can point to misfire or inconsistent spark issues that can be caused from your one faulty Toyota Sienna Ignition Coil.
Where is the ignition coil on a Toyota Sienna?
Toyota Sienna Ignition coils are coil on plug (COP) style units that directly mount to the top of your spark plug. While it’s not common for these coils to fail, this can happen over time resulting in a check engine light being triggered on your Sienna dash.
When to replace the spark plugs on a Toyota?
Pulling the spark plugs will make it obvious if replacement is needed — damage on the plugs is usually very obvious. When you’re ready to replace your spark plugs at the regular interval, or if they have become damaged, start your search here for high-quality Toyota replacement plugs.
What kind of socket do you need for spark plugs?
There is a 5/8th-inch socket specifically designed for spark plugs. This socket has a rubber lining which allows gripping and gentle installation. Connect this to a ratchet with a long extension, along with the socket, and unscrew the spark plug from the hole.