Examination of the spark plugs will give a good indication of the condition of the engine. With gasket seat plugs run them down until they touch. Employing a revolutionary 360 degrees laser welding process, Denso has created a spark plug. In 60 years of doing this, I have never had one blow out and never had any trouble getting one back out. That may not be universally true though.
Proper torquing properly seats the washer without damaging the threads. Remove one spark plug boot at a time, so as not to confuse wire location. The gap between the electrodes should be identical to that listed in this Chapter's Specifications. What could be causing it to idle high? I spent my days on the flightline and in hangers. I have the sockets and tools to do the job. So a simple drain and refill often helps.
If the insulator nose is covered with light tan to greyish-brown deposits, then the mixture is correct and it is likely that the engine is in good condition. There are very few people who have such knowledge and thus the right way to change spark plug in 09 Toyota Corolla is through the use of a trained, professional and reputable auto mechanic. You can get it at any parts store. If I have to remove a plug today, a new one is going in. Use good lighting, might need to use a combinations of flashlights and mirrors, etc.
I presume they are under the engine cover. Spark plugs receive electrical charge from the distributor or coil to create a spark that causes combustion. To avoid this possibility, fit a short piece of 8 mm internal diameter rubber hose over the end of the spark plug see illustration. They are different from the old days. You always want to protect your investment in your vehicle and that means that you need to make sure that all work performed is done in the right manner the very first time. If it has been that long and you are unsure how to do it your self, take it to an experienced mechanic. Thanks to all of you for your insight into the layout of the plugs and the new for me method of attaching the ignition coils.
I never used to use a torque wrench, but as engines evolved to where they all had aluminum heads with the plugs deep down in spark plug tubes I began to feel more comfortable using one. If the threads are damaged, there are tools to clean them up. Now I use it because I have one!! A vehicle is one of the most relied upon items you own as it gets you everywhere you need to go and thus it has to be in top operating shape. It looks like a metal o-ring that can be removed from the plug. When I use the torque wrench, since it is a click type, I usually set the torque a bit lower than the book and get a feel for it. Tighten the ignition coil bolts to the specified torque, 23 Coolant renewal.
Should the plug begin to cross-thread, the hose will slip on the spark 22. Once these are un-latched, fold the air intake assembly out of the way. By starting the plugs with a delicate touch, you can feel when the threads begin to properly catch. But I strongly recommend a manual. I found a site with pictures detailing how to access the spark plugs for replacement. He has yet to develop the muscle memory.
Now you have access to the coils and plugs and can repeat the process. These spark plug tubes are common in dual overhead cam engines, because the plugs has to seat down between the camshafts for its electrodes to protrude into the cylinder. If say the specified torque value is 12 foot pounds. Oh yeah, and the oil changes and lube job every 1500 miles. I too am baffled by the belief that one could successfullly use sleeve halves of differences as large as. A good auto mechanic shop can change spark plug in 2009 Toyota Corolla for just about any make or model of vehicle and that means that when you are in the need to change spark plug in 09 Toyota Corolla you can rely on those trusted shops that you have relied on for various other vehicle repair needs. I like the iridium then platinum, but check to ensure gap is correct before installing the new plugs.
I know it sounds goofy using a standard size socket on a metric car, but it is what it is. The book was written before Irridium plugs were used. This has been most helpful. To begin the process know that the spark plugs are recessed deep in the valve cover. With copper plugs I always used never-seize and if you then used a torque wrench, it just seemed you were turning the plug far to much after it was seated. I use a beam-type torque wrench just a personal preference and torque the plugs in two or three steps.
They may also be fouled by overly rich fuel mixtures or oil contamination. Summary: Get the proper size spark plug socket. On the plus side, the plugs have never seized. The anti-seize on the Iridium plug threads are not the issue. Attach a proper length extension to it. I guess there is a coating on the plug and also by using the anti-seize, there is risk of over-torquing and damaging the head.
Tighten the plug to the torque listed in this Chapter's Specifications. Upgrading to a premium long-life platinum or iridium spark plug will cost a little more but will serve to benefit the vehicle owner in the long run because you do not have to change spark plug in 09 Toyota Corolla as often. Though it may seem a small part of such a complex vehicle, the need to change spark plug in 2009 Toyota Corolla is one of those routine and common things that needs to happen to keep your car running well. Looking at the 2003 Toyota Corolla scheduled maintenance guide from the Toyota site , they did use Iridium plugs in 2003, and the first recommended change is at 120,000 miles. Mechanics take out spark plugs to look at them and tell me if I should replace them.