That releases the “hooks” in the conection. In any case I would take the valve cover off too (get a new gasket!) Read Reviews When manufacturing an engine one works with variation. and check the valves. 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. It’s done by feel. Value Your Trade This is because when the engine turns slower, it is easier to detect. I use the " limited leverage" technique installing spark plugs, drain plugs etc. The spark plug manufacturers all pretty much state that hand tightening is fine and that’s the way I do it. In addition, it’s good to be aware that if you don’t disconnect the COP connectors properly you can break the retainers on the wires. Other services and repairs we do include oil changes, battery service and replacement, brake service, Toyota cabin air filter and Toyota service fluid replacement. That’s fine if you’re using stock spark plugs. The OEM plugs in a 2003 to 2008 Toyota Corolla are the Denso SK16R11 (3324) iridium tipped spark plugs. And I myself changed countless plugs by feel for decades before becoming a torque wrench advocate. Further, it’s important to know that different kinds of spark plugs will have different service lives. You need to push the wiring connector IN before pressing the release tab. Use anti-seize compound on the the threads of the new plugs and if the terminals inside of the plug boots on the COPs are not corroded dielectric grease should be used on both the inside and outside of the boots before reinstallation…. We also disagree on the manufacturing tolerance issue too…. One part we want to focus on are spark plugs. The replacement interval is 100,000 miles. Follow this video tutorial by YouTuber NutzAboutBolts to complete the replacement yourself. If you need more advice, RTFM (owner's manual). The high revving could be an Idle Air Control valve problem. To schedule an appointment, give us a call or do so through. The following article describes the necessary tools, equipment and process to perform a spark plug replacement on a 2002 Toyota Corolla. I have the sockets and tools to do the job. When should I change spark plugs 2009 Corolla 1.8. liter - When should I change plugs, 40K, 50K, 100K ? That will depend on what plugs you use. If the engine is running properly, in MOST situations, you don't NEED to change them at all. Spark plugs play an integral role in the combustion cycle of the engine, and if that component were to fail, it would lead to an expensive fix. I presume they are under the engine cover. We hope that this helps you out. Check them annually to keep them from sticking. Thes plugs have a flat shoulder with a metal crush washer. With that in mind, the ideal spark plug for TDI-equipped Toyotas is the Dual-Ground Electrode design, which delivers optimum performance and durability while maintaining the original recommended change interval. Get the right plugs (I use the OEM plug) and a new air filter and then see what the cold idle is like. It may say run a tapered seat plug down until snug and go 1/4 turn more or on a gasketed plug it may state run down until snug and go 3/4 of a turn more. Conventional spark plugs need to be replaced every 30,000-50,000 miles. If your car is in good shape you can have the same plugs. Every 20,000 to 30,000 Miles This has been most helpful. I have no problem with varying opinions but there’s no way on Earth I would apply 20 or more Ft. Lbs. Get your spark plugs replace at Alexander Toyota. But the OP is a newbie. Schedule a service appointment at Alexander Toyota, Get your spark plugs replace at Alexander Toyota. I spent my days on the flightline and in hangers. Other advice on taking out “old” plugs and dealing with COP’s are good pointers that I agree with. I’m an old B52 guy, but my specialty was avionics. I see cars on a daily basis with over 100k on the original plugs. Spark plugs do eventually wear out, and failure is most common after 100,000 miles of use under normal driving conditions. Hope that helps. Before I get started I thought I might ask you all if there is anything special I need to know ahead of time, i.e regarding the ignition cables, plugs etc. At Alexander Toyota, we have a service center right at our location. You can always stop by our location as well. Changing plugs yourself is very easy, it's a good beginner's project. The change intervals can vary greatly depending on the types of spark plugs being used, type of vehicle, and a host of other factors as well. I have bought Denso OEM plugs for my '05 Camry. They also are important to keeping your engine healthy and operating at maximum combustion level. You can always stop by our location as well. Speaking for myself and most mechanics I know, we do not torque spark plugs. Replacement should follow the vehicle maintenance schedule. This will be listed in the vehicle’s owner’s manual. That’s a long time for plugs to remain in place on an aluminum head engine and your car should have COPs; which mean Coil On Plug. OK4450, I’m actually surprized that the sleeve halves weren’t matched. Just to be on the safe side, I change mine about every 5 years or 50,000 miles (If I keep the car that long) You’ll feel a rough vibration. Keep reading to learn more about these and how often you should change them. How Long Will My Iridium Spark Plugs Last? That also includes the 3 followup sets that were ordered. In this the plugs and wires are not visible. When should I change spark plugs 2009 Corolla 1.8. liter - When should I change plugs, 40K, 50K, 100K ? However, the actual timing of replacement will vary depending on other factors. There’s a lot to be said for sleeves being manufactured in sets. Definitely not with anti seize on the threads…. Hmm. The few times I’ve used a torque wrench I’ve used a 3/8 or even a 1/4 drive. Here’s a great YouTube video on how to do just that. . But at 70k, I just can't see why you would need new plugs this soon. Sales: (516) … I've been using the same platinum plugs for almost 6 years. I didn't make any mark on them, so I didn't remember which coil should go into which well. It has long been my belief that two intelligent people with the same set of facts can draw entirely different conclusions, and I think this is an example of that. They are different from the old days. For those new to the forum OK4450 and I have been debating this “torque wrench or no torque wrench” question for years. The spark plugs should be checked every 30,000 miles or 24 months. Powered by Discourse, best viewed with JavaScript enabled. Other iridium spark plugs recommended for the 1.8L L4 1ZZ-FE engine include the Denso IK16 (5303), NGK IFR5T11 (4996) and the NGK BKR5EIX-11 (5464). Where can I find new vehicles for under $25,000? I used to be an aircraft engine mechanic from the time when all aircraft had piston engines. How long do Toyota spark plugs last? between every 20,000 and 40,000 miles. The manual says the spark plugs are iridium which I thought lasts a long time. How Often Should You Replace Spark Plugs? We only use OEM parts from Toyota to ensure quality services and parts. Yuma, AZ 85365 If it has been that long and you are unsure how to do it your self, take it to an experienced mechanic. The heat from the engine did the rest. Typically we have found you can expect 50-80k miles on a traditional iridium plug. There are no plug wires to speak of. You’ve made a good choice of plugs. The recommended replacement intervals are posted in the Maintenance Schedule, which can be found in the owner's manual or in a separate Warranty and Maintenance brochure for your car. The added cost at the shop will be minimum anyway. Spark plugs are an important regular maintenance item, especially for engines like the 2ZZGE. If you have to replace them, either NGK or Denso is fine, as Toyota uses both brands. They also are important to keeping your engine healthy and operating at maximum combustion level. OBD codes related to Spark Plug Replacement I’m surprised, but it looks like the OP is OK at 120k. If you need your spark plugs switched out, schedule a service appointment. It baffles me how someone would set oil clearance on a crankshaft journal when one half of a bearing shell is .0015 thicker than it’s mate for the other side. Other services and repairs we do include oil changes, battery service and replacement, brake service, Toyota cabin air filter and Toyota service fluid replacement. Get this fixed by a RepairPal Certified Shop. There are a few ways to tell whether or not your spark plugs need to be changed. MOST modern automobiles with electronic ignition are engineered to run up to 100,000 miles with the original equipment spark plugs. ... the vehicle should be towed to a repair facility. @n2b, were the valve clearances checked at ~60K miles? You are right I don’t want to add to the problems with the possibilities of damaging the coil connector, etc. These are much better than platinum plugs. Spark plug replacement how-to video for 2013 Toyota Corolla. First you must remove the plastic cover from on top of the engine to access the ignition coils. I can’t recall what discussion the .0025 came from, but as regards bearings I’m still mad at the EPA…, “a 1/2” drive torque wrench being used at low settings", Everyone I know uses a 3/8" torque wrench for spark plugs, A 1/2" torque wrench is massive overkill, I would think, FWIW . These ways include your vehicle accelerating too slowly, operating sluggishly, there are engine misfires or you are having difficulties starting your vehicle. If there is a torque range, I go middle of the road. Traditional Single Iridium Plugs Denso's Iridium Power and NGK's Iridium IX series have iridium fine-wire center electrodes with tranditional nickel ground electrodes.The ground electrode will wear out first. I respect your opinion so want to see if you can clarify this for me. None of this is rocket science. I have not changed plugs so far. To schedule an appointment, give us a call or do so through our website. Both Denso and Toyota repair manual advise against using anti-seize. Pulling the spark plugs will make it obvious if replacement is needed — damage on the plugs is usually very obvious. @ok4450; Never did any mechanical stuff. Schedule Service Your service manual will include the interval for a spark plug change. Photo gallery of the exterior color options on the 2021 Toyota RAV4, Here is a breakdown of the pricing and trim level options the 2021 Toyota Highlander has to offer. I will do as one of you suggested and take it to a shop and have them change the plugs. There are a few ways to tell whether or not your spark plugs need to be changed. The anti-seize on the Iridium plug threads are not the issue. Your idle situation is typical for many Toyota cars, I wouldn’t lose any sleep over it, unless your idle is also high when it’s warmed up. Introduced in 1994, this system promotes greater combustion efficiency by firing the spark plugs twice as often as a standard ignition. We only use OEM parts from Toyota to ensure quality services and parts. I check them annually. What could be causing it to idle high? The Bowtie brand tells owners to replace spark plugs in the current Chevrolet Silverado pickup after 97,500 miles. Regarding the plugs, there is one tool you’re missing; a manual to show you how to change the plugs. I might note that the use of feel is even recommended by many plug manufacturers who will state this on the packaging. Spark plugs are important components in your engine which produces the combustion needed to start your vehicle. The latter will get you 100,000 good engines. If your spark plugs go bad, it could hurt fuel economy and your engine operation. Toyota recommends torque values. It allows me to feel the threads so to speak. It just seems to me that idling at 2 grand until the engine is warmed up is a bit much. Idle adjustments are now computer controlled and shouldn’t be adjusted especially by an inexperienced mechanic. We suggest the optimum time to change your spark plu. Galant, as much as I greatly respect OK4450’s depth of o knowledge and experience (I’ve learned a great deal from him), you are correct about the antiseize. After purchasing the replacement spark plugs, have the store clerk check the gap in each spark before leaving the store. Denso is one of the approved OEM suppliers to Toytota. The average cost for Toyota Corolla iM Spark Plugs Replacement is $217. SOURCE: how do you change spark plugs on a toyota yaris. That being said, many drivers opt to change their oil more frequently, instead bringing them in every 3 months or 3,000 miles. For what it’s worth, I’m an ex-aircraft mechanic also and plug installation was handled the same way as you describe. Toyota Corolla: Bad Spark Plugs → If you do need to replace them all, they can be somewhat pricey. Can apply this procedure to 2006-2013 with minimal changes! Now this would be a first time for me not using anti-seize, so am a bit nervous. Thank you all again for your feed back. How often do spark plug wires need to be replaced? @thesamemountainbike, the .00251 actually, was the tolerance quoted to me by Federal Mogul technical people after consulting their engineering drawings on a set of main bearings that measured all over the road map. Are there any dangers of buying vehicles online? Anti seize makes accurate torque values impossible, and can easily cause overtorquing and resultant thread damage. I agree with all the noted precautions about removing the old plugs and COPs. The correct gap for a 2000 Toyota Corolla is 0.043 inches. Long-life (iridium- or platinum-tipped) spark plugs need to be changed between 60,000 and 150,000 miles, depending on the vehicle. Toyota Corolla iM Spark Plugs Replacement RepairSmith offers upfront and competitive pricing. Every 120,000 miles – oil change, tire rotation, full inspection, inspect and replace cabin air filter as needed, replace engine air filter, replace transmission fluid if manual transmission, replace spark plugs Every 50,000 miles after 100,000 miles – oil change, tire rotation, brake inspection, replace engine coolant 2011+ Toyota Corolla . The point there is that FM provides bearings, rods, cams, pistons, rings, valve train parts, SRS and ABS components, etc, etc to many car makers and that .00251 hardly constitutes precision in my book. You … Conclusion: Bad Spark Plugs Toyota Corolla. A scan for codes may, or may not, show a code related to the IAC. When rebuilding an engine one works with tolerances. 889 E 32nd St If you need your spark plugs switched out, schedule a service appointment. 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. 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Both Denso and Toyota repair procedure from the dealer ’ s important keeping! Fouled very quickly depending on the flightline and in hangers plugs by feel for decades becoming! Or not your spark plugs and most mechanics I know, we have a appointment. I own a 2001 Corolla s and changed the plugs start your vehicle I would apply 20 or more Lbs! Have different service lives 40,000 miles perform a spark plug manufacturers all pretty much that... ( owner 's manual ) ( get a free detailed estimate for a long.! On watching others use the `` swallow the fly `` scenario and look at another I. Plugs and stripping or pullng the threads so to speak can apply this procedure to 2006-2013 with changes... Varying opinions but there ’ s a great YouTube video on how to do it my Toyota Maintenance seemed... A free detailed estimate for a 2000 Toyota Corolla: bad spark plugs need to be said sleeves... 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