QuestionToyota Sienna XLE 1999, Automatic
V6 3.0L 194HP
Oil change in December 2000
Reconnected door integration relay
Hi, I wanted to know where are the spark plugs located in the engine. Are the spark plugs platinum when it came as stock?
Also the door locks makes the clicking sound.
The repair invoice says "If door lock keeps turning on and off, replace the integration relay". How much does it cost for a new integration relay?
AnswerThey are platinum spark plugs installed from the factory and should be replaced at 60,000 mile intervals.
They are located in the center of each bank of cylinders in the spark plug tubes, remove the black cover on top of the engine and you will see the left bank of the engine, which is called bank two, they contain the cylinders number 2,4 and 6. To remove the spark plugs remove the 10mm bolts on the coil packs and remove the connectors, pull out the coil packs and the spark plugs can be removed with a spark plug socket and a long extension, the other three spark plugs are a little harder to get to, they are number 1,3 and 5 and are located on bank one near the firewall, they do not have coil packs, just wires with connectors to the spark plugs, the spark plugs are a little difficult to get out, it may help to remove the front cowling below the windshield.
I'm not sure the door lock problem is caused by the integration relay it sounds more like there may be a problem with the alarm system or the keyless entry system, get another opinion from another dealer.
