Somewhere on the NGK website are instructions for tightening plugs, old being slightly different to new. Discussion Starter • #1 • May 31, 2009. Whether you have a torque wrench or don't... in this video I will show you how to properly install with either one. 3/8-5/8 turn on plugs with a gasket. It is essential to tighten a spark plug to the specified turning angle or torque setting. Clean rags. 1/16 turn on plugs with a tapered seat. Tighten new or reused gasket spark plugs as follows: Hand tighten the spark plug until it seats. The tables have the size of the fastener (M6, M8, M12, etc.) What happens if you dont use a torque wrench? Torque wrenches may seem like a luxury you don't need, but they are actually used for a very specific, very important reason. Can you roll back a digital odometer? 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. Get your answers by asking now. Is there a way to change the plugs without one? While torque wrenches are available in various sizes – and brands, they all do the same thing, preventing over-tightening. Without a Torque Wrench: If a torque wrench is unavailable, finger tighten the spark plug, then use a plug wrench to tighten. Tighten spark plugs tp 11 - 18 ft-lbs per plug." Hi, I am a new DIYer and went to change my plugs in a 2005 Accord V6. Make sure the wrench is made of an all-steel alloy material that assures you of durability. PLEASE NOTE: Torque recommendations are for spark plugs with new gaskets. The best torque wrench to get is the kind with the "twist" adjustment because you can't overtighten with these. The threads on a new cylinder and plug are dry/clean while threads & plug on a used saw will be oily. Is it OK to use a torque wrench to loosen? Install the new plug finger tight, and complete the installation with 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. all i ever used was a 3/8 ratchet, a plug socket and extension. You can use a regular wrench if you dont have a torque wrench but tightening them in a certain propper method for spark plugs. Confirm that the thread reach of the spark plug is the right one for your engine. Divide this figure by 12 to convert it to feet. Likewise, is a torque wrench necessary? Well, for me, not a problem as I've been doing it for the best part of 50 years and I've developed a very good "feel" for what the correct tightness is. Also, is a torque wrench necessary? Start if off by hand, and then make it snug with the wrench. How do you think about the answers? What is the difference between biological needs and psychological needs? Place the nut of the torque wrench straight onto the tightening nut of the spark plug and tighten it. Use a torque wrench to tighten the spark plug clockwise at a measurement of 20 foot-pounds of torque to secure it to the motor. 1 Manual: Mercury Service Manual ; Writer Bio . 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. If using anti-seize compound, use sparingly and reduce torque by 30%. Swapped out the four plugs no problem. It is necessary to install the plugs in the engine using the correct torque. If using anti-seize compound, use sparingly and reduce torque by 30%. 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. Does Hermione die in Harry Potter and the cursed child? The box has columns for … How to change spark plugs without a torque wrench? plugs slowly you can actually feel the washer as it flattens out. 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. Remove the dirt at the gasket seal of the cylinder head. However, it is possible to tighten the plugs satisfactorily without a torque wrench. For instance, units for an eight-cylinder engine won’t be the same as ones for a four-cylinder. Without a Torque Wrench: If a torque wrench is unavailable, finger tighten the spark plug, then use a plug wrench to tighten. How to Tighten Spark Plugs. I used 22ft/lbs which is close to 30nm. The most common and prevalent use of a torque wrench is for changing rims. 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. A torque wrench is always recommended for tightening spark plugs and is an absolute must for an aluminum head. plugs slowly you can actually feel the washer as it flattens out. 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. Remove the dirt at the gasket seal of the cylinder head. 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. Blaize. What happens if you don't tighten spark plugs? This is not as much of a concern with the half or 16th turn method. A range of 30 to 250 foot-pounds is suitable for automotive work. A lot of parts stores like Autozone loan out torque wrenches with a deposit. The tapered seat spark plugs must be installed by the use of the hands until finger-tight.Use an extra 1/16th turn with a spark plug wrench to make sure your spark plug is tightened to the manufacture's recommendation. 1/4 turn on plugs with a gasket. 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. Without a Torque Wrench: If a torque wrench is unavailable, finger tighten the spark plug, then use a plug wrench to tighten. Equipment Needed: New units (if old ones are faulty, broken or aged). I found the same reccomendation on 2 other 'name brand' spark plug web pages. Change the plugs when the engine is cold. A click type torque wrench that has the range you need is all that's needed. Without a Torque Wrench: If a torque wrench is unavailable, finger tighten the spark plug, then use a plug wrench to tighten. However, it is possible to tighten the plugs satisfactorily without a torque wrench. 1/4 turn on plugs with a gasket. The spark plug holes must always be clean prior to installation; otherwise, you may be twisting against dirt or debris and the spark plug will be under-torqued, even though your torque wrench indicates the proper torque. Can you purchase a gasoline can at a thrift shop? just make them snug. all you have to do is snug the plugs up good. This is the most common size of a torque wrench. When installing the spark plug, first screw it in by hand. How long should I let my engine cool before changing spark plugs? I just replaced my spark plugs today and used a torque wrench. Using a torque wrench to replace your spark plugs is very important. You can use any wrench as long as it fits the socket you have for the spark plugs. A spark plug damaged this way can lead to premature spark plug failure and even engine damage. Without spark plugs, your car could not run. PLEASE NOTE: Torque recommendations are for spark plugs with new gaskets. It is important not to exceed the installation torque, however it is a good idea to torque the spark plug, loosen it a 1/4 turn and torque it again to ensure proper seating and adequate heat transfer. I dont kno how much is the deposit but I dont think it would be that expensive. The factory installed plugs were AC Delco 41-950. Follow our guidelines below for a successful replacement. 1/16 turn on plugs with a tapered seat. Then tighten the plug as specified below: With a Torque Wrench: Please note there are slight variations in torque recommendations between spark plug manufacturers. Over tightening can also compromise a plug's internal gas seal or even cause a hairline fracture in the insulator. Measure the length of the box wrench in inches from ring-center to ring-center. 1/2-2/3 turn on plugs with a gasket. References. I'm interested in becoming a car mechanic but I am scared of...? Less force being exerted from using your fingers, preventing from over tightening your soark plugs. Spark plugs without a sealing ring are tightened by 15 degrees. Issue came in the tightening step... Borrowed a buddy's TEKTON 24335 wrench, rated 10-150lb. Wrenches that come with +/–3% of accuracy are considered the most accurate ones; standard +/–4% ones get the work done as well. Without a Torque Wrench: If a torque wrench is unavailable, finger tighten the spark plug, then use a plug wrench to tighten. Step One. 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. I know this is under spec but I've never tightened spark plugs with a torque wrench before - always used a calibrated wrist. 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. OR you can go down to Autozone or Orileys and rent one. Penetrating oil (for trapped devices). Said to use a torque wrench new and reused spark plugs the most and. 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