Screw in the spark plug finger tight until the Gasket meets the cylinder head. I want to change the plugs in my 2005 G35x but I don't have a torque wrench and I don't want to spend $100 on one. If you tighten the (cold!) If using anti-seize compound, use sparingly and reduce torque by 30%. This is not as much of a concern with the half or 16th turn method. A torque wrench is not the best idea for tightening down spark plugs. Without a Torque Wrench: If a torque wrench is unavailable, finger tighten the spark plug, then use a plug wrench to tighten. 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Instead of holding on to the handle the usual way what you want to do is use TWO FINGERS ONLY to pull on the handle to tighten up your spark plugs. 1/2″ Drive. Clean the spark plug threads and ensure the cylinder head is clean of debris. Most people I asked for a torque wrench told me not necessary and so I went to do it by hand lightly. Then tighten the plug as specified below: With a Torque Wrench: Please note there are slight variations in torque recommendations between spark plug manufacturers. I watched a few videos, read some, etc. I used 22ft/lbs which is close to 30nm. Question: “When changing my cars spark plugs, how tight should I wrench them down?” Be very careful when you do that! So tightening without a torque wrench? This is not as much of a concern with the half or 16th turn method. If using anti-seize compound, use sparingly and reduce torque by 30%. I found the same reccomendation on 2 other 'name brand' spark plug web pages. This is the most common size of a torque wrench. Clean rags. Proper Tightening Procedure. However, you should then observe the following rule of thumb in order not to damage the spark plug: If the new spark plug has a sealing ring, it is tightened by 90 degrees clockwise, i.e. Also, you can use a torque wrench to tighten the spark … First, screw in the plug finger tight until the gasket meets the cylinder head. Mostly this has been on older engines, manufactured in the '80s, but my experience has been that the spark plugs have crush washers on them. Tapered seat spark plugs get 1/16 turn and can be reused. It is essential to tighten a spark plug to the specified turning angle or torque setting. Tighten used plugs 30°. Measure the length of the box wrench in inches from ring-center to ring-center. 101 Posts . Swapped out the four plugs no problem. Putting a torque wrench to it isn’t going to do anything but make you spend money on a torque wrench that, unless you do things like change your own clutches, isn’t very useful for anything but spark plugs (which will irritate you when you have to torque down an axle nut and have to buy a higher-torque one). Tighten new or reused gasket spark plugs as follows: Hand tighten the spark plug until it seats. This is quick how-to replace spark plugs on a Jeep Patriot or Jeep Compass, but this no torque wrench technique can be applied on any car out there. Then seat the plug/gasket with a torque or turning angle wrench as specified in the chart below. David Shaw has been writing professionally since 2006. And I thought I was confident doing it, but I got nervous when it came to over-torquing. After you hand tighten the plugs, begin tuning the plug wrench slowly. Autolite - For spark plugs with a gasket: 1/4 turn on 10mm plugs, 3/8 turn on 12mm plugs, 1/2 turn on 14mm and 18mm plugs. The purpose of the tables as shown in the BMW Factory Service Manual is for those rare instances when there is no BMW specification elsewhere's for torque for an item. Are second level needs on Maslow's hierarchy of needs? Without a Torque Wrench: If a torque wrench is unavailable, finger tighten the spark plug, then use a plug wrench to tighten. The factory installed plugs were AC Delco 41-950. Remove the old plug, double check the spark plug gap on the new plugs, and install them. 2014 Mazda CX-5 Touring. For example, if the length of the wrench is 9 inches, the answer is 0.75 foot. How to Tighten Spark Plugs. Spark plug tightening without a torque wrench - seems off to me... Unanswered. Still no click. No need to use a torque wrench, the danger though is, as others have said, overtightening. With those miles new plugs will probably help. Discussion Starter • #1 • May 31, 2009. Without a Torque Wrench: If a torque wrench is unavailable, finger tighten the spark plug, then use a plug wrench to tighten. While a mechanic can put alot together without a torque wrench, it comes with experience. 3/4″ Drive – This size is reserved for special applications, such as center-lug wheels. Somewhere on the NGK website are instructions for tightening plugs, old being slightly different to new. However, it is possible to tighten the plugs satisfactorily without a torque wrench. It helps prevent you from overtightening or under-tightening the spark plug, which can lead to stripped threads and the possibility of the spark plug popping out. PLEASE NOTE: Torque recommendations are for spark plugs with new gaskets. But if you have an engine with easy access to, It's very important not to over or under tighten, So long as users operate with caution and do not exceed the maximum. Tighten the spark plug finger-tight until the gasket reaches the cylinder head, then tighten about ½ – ⅔ turn more with a spark plug wrench. you will loose that cylinders compression until you tighten it properly. 1/16 turn on plugs with a tapered seat. If using anti-seize compound, use sparingly and reduce torque by 30%. This makes it one of the best torque wrench for spark plugs in the industry. 1/12-1/8 turn on plugs with a tapered seat. A range of 30 to 250 foot-pounds is suitable for automotive work. Instead of holding on to the handle the usual way what you want to do is use TWO FINGERS ONLY to pull on the handle to tighten up your spark plugs. Step One. Wrenches that come with +/–3% of accuracy are considered the most accurate ones; standard +/–4% ones get the work done as well. Rattling, pinging or “knock”-like noises. I wanted some input from other people that have done it because I am unsure about the tightness. 1/16 turn on plugs with a tapered seat. Using a torque wrench to replace your spark plugs is very important. Some spark plug brands do not need an often recommend against anti-seize, such as NGK, especially if installing with a torque wrench as the anti seize makes the plug threads too slippery and causes over torque condition. Issue came in the tightening step... Borrowed a buddy's TEKTON 24335 wrench, rated 10-150lb. Click to see full answer Also asked, can you tighten spark plugs without a torque wrench? all i ever used was a 3/8 ratchet, a plug socket and extension. Step 1. Is it OK to use a torque wrench to loosen? Using a spark plug socket and ratchet, turn new spark plugs (18mm and 14mm thread size) a half turn (180°) clockwise to tighten. Blaize. all you do is turn it down hand tight and then put your wrench on. I used 22ft/lbs which is close to 30nm. An over-torqued spark plug can cause stress to the metal shell, leading to thread damage or breakage. It is fairly easy to do yourself. Note that if the torque is too low, the plugs are liable to work loose due to leakage of combustion gas or vibration, resulting in possible damage to the engine and the plugs. Spark plugs without a sealing ring are tightened by 15 degrees. After you buy those things the cost may not be a great savings over having it done on the first car but after that you'll have the manual to help save on future repairs. Changing the plugs is easy...hard part for you may be if they are hard to reach or if there are brackets in the way that have to be removed. Without a Torque Wrench: If a torque wrench is unavailable, finger tighten the spark plug, then use a plug wrench to tighten. Torque wrenches allow you to tighten lug nuts without damaging the rim. It helps prevent you from overtightening or under-tightening the spark plug, which can lead to stripped threads and the possibility of the spark plug popping out. I just replaced my spark plugs today and used a torque wrench. Equipment Needed: New units (if old ones are faulty, broken or aged). However, it is possible to tighten the plugs satisfactorily without a torque wrench. What's the difference between Koolaburra by UGG and UGG? Link to post Share on other sites. 2Lightly coat the threads of the spark plug with a dab of oil from the oil dipstick. How to change spark plugs without a torque wrench? You can use a regular wrench if you dont have a torque wrench but tightening them in a certain propper method for spark plugs. Autolite - For spark plugs with a gasket: 1/4 turn on 10mm plugs, 3/8 turn on 12mm plugs, 1/2 turn on 14mm and 18mm plugs. Also, the antisieze they sell in the little packets at the counter of the parts store costs about as much as a big tube down the aisle. Without a Torque Wrench: If a torque wrench is unavailable, finger tighten the spark plug, then use a plug wrench to tighten. 1/16 turn on plugs with a tapered seat. Spark Plug Tightening Torque Advanced Garage Solutions Limited ... How to change Spark Plugs With or Without Torque Wrench - Duration: ... 9:09. you do not need a torque wrench to replace your plugs, rule of thumb is tighten them a little bit more than you can using just your hand. Installation Without a Torque Wrench: In most engines, replacement plugs can be installed without using a torque wrench but extra care should be taken to ensure the new spark plug seats and seals properly. I bought some autolite coppers .44 gap, and installed them. Less force being exerted from using your fingers, preventing from over tightening your soark plugs. Without a Torque Wrench: If a torque wrench is unavailable, finger tighten the spark plug, then use a plug wrench to tighten. Unfortunately, there’s no such thing as universal plugs. If this information is not available, screw the spark plug in finger tight and then tighten a further half to three quarters of a turn for plugs with a gasket and 1/16 of a turn for conical/taper seat plugs without a gasket. Divide this figure by 12 to convert it to feet. What cars have the most expensive catalytic converters? 1/16 turn on plugs with a tapered seat. 3 do what 99 % of people,,tighten snugly,,, 4 but it appears u have lack of knowledge,,buy shop manual if your gona mess with your bike. A torque wrench for spark plugs should deliver an accurate torque amount according to the manufacturer’s instruction. I don't have a torque wrench, so I just used a ratchet. The most common and prevalent use of a torque wrench is for changing rims. The tables have the size of the fastener (M6, M8, M12, etc.) Once the gasket has made contact with the cylinder head, use the torque wrench to tighten it to the tightening torque shown below. Confirm that the thread reach of the spark plug is the right one for your engine. If a torque wrench is unavailable then you must take care not to overtighten spark plugs - particularly if refitting after cleaning. 3/8-5/8 turn on plugs with a gasket. I'm interested in becoming a car mechanic but I am scared of...? After you hand tighten the plugs, begin tuning the plug wrench slowly. For reference When it is difficult to use a torque wrench, or when you don't have a torque wrench, tighten the spark plug to the tightening angle shown in the illustration in accordance with the thread diameter of the spark plug. I dont kno how much is the deposit but I dont think it would be that expensive. A lot of parts stores like Autozone loan out torque wrenches with a deposit. Specs for car are 12-14lb, so I set it to 13. While torque wrenches are available in various sizes – and brands, they all do the same thing, preventing over-tightening. all you have to do is snug the plugs up good. Installation Without a Torque Wrench: In most engines, replacement plugs can be installed without using a torque wrench but extra care should be taken to ensure the new spark plug seats and seals properly. I just got done changing my spark plugs, and this is what I was most nervous about, never having really done much work on cars. For those installing plugs without a torque wrench, let me be a little more specific: New plugs come with a "crush" washer that is designed to flatten out upon installation. plugs slowly you can actually feel the washer as it flattens out. Step 2. I just replaced my spark plugs today and used a torque wrench. Without a Torque Wrench: If a torque wrench is unavailable, finger tighten the spark plug, then use a plug wrench to tighten. I’ve never had any problems. 1/16 turn on plugs with a tapered seat. How do you know if a spark plug is stripped? 1/2-2/3 turn on plugs with a gasket. The computer at O’Reilly Auto Parts recommends the spark plugs be tightened to 13–16 foot pounds on my 1999 Cadillac DeVille d’Elegance with the 4.6 liter Northstar V8 engine. If they are somewhere hard to reach get a 12" long piece of vacuum hose at the parts store that fits tight over the end of the plugs and use that to twist the plugs in. I know this is under spec but I've never tightened spark plugs with a torque wrench before - always used a calibrated wrist. Torque wrenches may seem like a luxury you don't need, but they are actually used for a very specific, very important reason. It is necessary to install the plugs in the engine using the correct torque. 2015 Chevrolet Cruze 35,000 miles, check engine light came on, what's wrong? They provide the spark to ignite the fuel-air mixture, the driving force of power in an internal combustion engine. It is, moreover, equipped with a pull collar that allows you to set the torque power according to your needs. Just tighten them until they are snug. 1 Manual: Mercury Service Manual ; Writer Bio . Without a Torque Wrench: If a torque wrench is unavailable, finger tighten the spark plug, then use a plug wrench to tighten. I bought spark plugs the other day and they had a very general chart with torque specifications on the back of the box. If you are inspecting and replacing an existing plug, be sure to use a wire brush to clean any debris from the plug's threads. Too loose and the engine won't run properly. Spark plug tightening paranoia Spark plug tightening paranoia. Autolite - For spark plugs with a gasket: 1/4 turn on 10mm plugs, 3/8 turn on 12mm plugs, 1/2 turn on 14mm and 18mm plugs. Autolite - For spark plugs with a gasket: 1/4 turn on 10mm plugs, 3/8 turn on 12mm plugs, 1/2 turn on 14mm and 18mm plugs. ... For most socket sets, this is the most common drive, and it is often used in engine work like tightening spark plugs. 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