spark plug torque spec ft lbs

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... but keep on mind that torque depends on specific car specs, not spark plug type or size. (N.m) A/C Compressor Bolt 37 (50) Bypass Pipe Bolt 15 (21) Camshaft Gear Bolt 173 (234) Camshaft Thrust Plate Bolt 16 (22) Connecting Rod Cap Bolt (Angular Tightening Method) 1st Step 47 (64) 2nd Step Tighten Additional 30° The use of anti-seize or thread lubricants will modify these values unpredictably, so read … ft. I don't know if Ford has since officially changed that spec or not... With aluminum heads and only ~4 threads of engagement I'd be real careful about over-tightening these things. Just remember a spark plug is not just made for one car. in Sequence-Excluding the Medium Length Bolts at the Front and Rear of First thing I did was a tune up. Understand. All 14mm spark plugs 19-22 220-260 18mm spark plugs: Avco Lycoming 30-35 360-420 Teledyne Continental 25-30 300-360 Franklin Engine Co 25-30 300-360 Pratt & Whitney Aircraft 25-30 300-360 Wright Aeronautical 35-40 420-480 Going to 21 ft lbs you are over torquing it. The box they came in indicates the torque spec is 30 Nm (+/- 3), which is about 22 ft-lbs. The table below lists the torquing specifications for most spark plugs being installed in either cast iron or aluminum cylinder heads. I don't see it. 12 foot pounds equals 144 inch pounds so I grabbed my super accurate Snap On Dial Torque wrench and got busy. Of course, it is probably right there in front of me. After changing the plugs, I torqued them all to 12 ft lbs of torque. The third plug broke right at of 100, 5/8s of a turn after 85 ft lbs. Bolts in Sequence), Cylinder Head Bolts (Final Pass all M11 Bolts Pass), Connecting Rod Bolts - Second Design (First GM 3.4L-207ci-V6 Engine Torque Specs. Quick useful info... Bike is a 1999 Honda Rebel 250. This one had anti seize. This will help ensure proper seating and adequate … A copy of the FSM from 1998 also gives 22 + 2 ft. lbs. Spark Plug Torque? This is the second B and S motor I have worked on that I can’t find the model, type and code on. Torque Spec Database. Torque values assume clean, dry threads. NOTE: Manufacturers' torque specifications always take precedence over the specifications shown in the table above.Exercise care when installing spark plugs as varying conditions such as temperature, threads, etc. The tightening torque for a spark plug changes with the diameter of the spark plug. Over 6,000 Automotive Torque Specs. When installing the spark plug, first screw it in by hand. It is extremly important not to exceed the installation torque. That's too high. Pass), Connecting Rod Bolts - First Design (Final The following are the recommended torque values. Torque Spec Database. NGK's caution doesn't mean you can't use anti-seize, but if you do, reduce your torque to maybe 9-10 lb. Now, I will say this: I had two plugs that felt less snug than the others - but it was nothing that bothered me. Spark Plug To Cylinder Head 11 Each Cylinder Head), Cylinder Head Bolts (Final Pass M11 Medium Spark plug torque question (13ft lbs) Jump to Latest Follow 1 - 8 of 8 Posts. Aluminum drain pans are more fragile than basic oil pans. Manifold Bolts, Connecting Rod Bolts - First Design (First Plug/Engine Type Foot Lbs. I have a factory service manual and it says to put Loctite anti seize on the plug threads and torque plugs to 12 -18 foot pounds. Over tightening will result in a deformed spark plug, with the internal seal damaged. I realize that not everyone agrees with this practice. Studs-Final Pass in Sequence), Cylinder Head Bolts (First Pass all M11 Bolts Come join the discussion about Bimmerfest events, production numbers, programming, performance, modifications, classifieds, troubleshooting, maintenance, and more! Bolts-Final Pass in Sequence), Crankshaft Bearing Cap Studs (Outer Thanks!! Sequence), Engine Coolant Air Bleed Pipe Bolts and Studs, Engine Flywheel-to-Torque Converter Bolts, Exhaust Gas Recirculation (EGR) Valve Bolts Step One. Bringing the BMW community together. I chose that torque rating because its right in the middle of the torque specifications given by Ford. Proper torque specs for both aluminum and cast iron cylinder heads are listed below. Sequence), Oil Pan M8 Bolts (Oil Pan-to-Engine Block and Ngk 18 ft pound spec is too much than factory called for. Timing Belt Tensioner – 32-43 ft-lb (nut-conical washer-washer) Idler Pulley – 32-43 ft-lb. Wayne Dempsey's book gives 22 ft. lbs. "I typically turn maximum allowable torqueage". They looked pretty good as well. Once the gasket has made contact with the cylinder head, use the torque wrench to tighten it to the tightening torque shown below. Hopefully, everything will go OK and no plugs would be seized. I have searched the motor 3 or 4 times and can’t find it. What is the ft/lb or in/lb torque specs? in Sequence), Cylinder Head Bolts (Second Pass all M11 (Y-car), Transmission Fluid Pressure Manual Valve Spark Plug To Cylinder Head 11 I think I remember about 13 pounds of torque as a general spec on plugs. Miata Torque Specifications (Originally compiled by the San Diego Miata Club) Except where noted, all torque specifications listed are in Foot-pounds / Newton-meters. #10 - 22 in. You put anti-seize on the threads? BTW, Ron's note below? Pass), Connecting Rod Bolts - Second Design (Final General. Length Bolts at the Front and Rear of Each Cylinder Head in Sequence), Cylinder Head Bolts (M8 Inner Bolts in Spark plugs: 11-17 (132-204 in-lbs) Engine oil drain plug (19mm) 22-30/31-41: Gearbox drain plug (24mm) 29-43/39-59: Torque is one of the most critical aspects of spark plug installation. Spark plug type Thread Diameter Cast Iron Cylinder Head (lb-ft.) Aluminum Clyinder Head (lb-ft.) Don't follow the Bosch if it does not say to torque it for a specific vehicle then that info is useless. Some fasteners are spec'd as torquing dry and some lubricated. Search Car Torque Specifications by Engine or Model. I need the torque spec for the head. Pass), Crankshaft Balancer Bolt (Installation Please use torque recommendation below as a guide for tightening all spark plugs. 5.00 ft lbs gross torque and it’s 140cc. Yes. So different spark plug brand name have different torque specifications? How do you determine thread - M12 or M14 for spark plugs? Search Car Torque Specifications by Engine or Model. Studs-First Pass in Sequence), Crankshaft Bearing Cap Studs (Outer My OEM BMW Bosch spark plugs appear to be M14 (after measuring with my bolt gauge). can all have an effect on how much torque is required to seat the spark plug correctly. A spark plug that is under-torqued will not be fully seated in the cylinder head and heat dissipation will be slowed. Oil Pan-to-Front Cover), Positive Crankcase Ventilation (PCV) System (First Pass), Generator Rear Bracket-to-Engine Block Bolt, Ground Strap Bolt (at Rear of Cylinder Head), Ignition Coil Bracket-to-Valve Rocker Arm I got scared about 125 inch pounds and stopped. Thanks. My engine came new with Bosch Platinum +4 plugs. I know that the FSM says 11 ft-lbs, and that's not a lot. The 22 f-lbs is for the 14M correct. Pass-to Ensure the Balancer is Completely Installed), Crankshaft Balancer Bolt (First Pass-Install lbs. Over 6,000 Automotive Torque Specs. Bolts-First Pass in Sequence), Crankshaft Bearing Cap Bolts (Inner You may simply over stretch the bolt. Crank Bolt – 329-344 ft-lb. I went 19. Nov 19 2014, 7:58pm. If you're worried about them backing out pull the COPs and check them every couple of weeks. How odd. My 2002 Ford Shop Manual shows plug torque to be 13 ft-lbs or 156 in-lbs. I recently changed mine and after a week of driving 3 of them came loose. Position Switch to Valve Body Bolt. I thought the plug threads were supposed to be installed "dry?". The Bentley manual (page 3-30) gives spark plug torque as 22 + 2 ft. lbs. The only information I have is that it is a 500E Series motor. 1/4 " - 10 ft. lbs. Note: If using a torque wrench vs. plug wrench, please refer to the Torque Recommendations chart below. For a better experience, please enable JavaScript in your browser before proceeding. ... so there's no need to stray from the factory specs for torque. (Y), Pressure Control Solenoid Bracket to Valve Sequence), Intake Manifold Bolts (Final Pass in Cover Bolts, Intake Manifold Bolts (First Pass in The oil drain plug may be a basic drain plug, but the torque amount will be different. Is there a proper spec for spark plug torque on these engines? All specs are taken from Helms/GM documentation for a 2000 Model F-body. If you lubricate a bolt and use a dry torque spec, you will overtighten it. Spark Plug Transmission Side Cover bolts Crankcase bolts Step 1 Step 2 ... Fastener Size - Torque ft. lbs. Thanks. I use anti sieze when plugs are in an aluminum head. Spark plug x Cylinder head-13 Ignition coil x Cylinder head(19mm)-69 in lb Camshaft position sensor x Cylinder head(10mm)-69 in lb Crankshaft position sensor x Oil pump(10mm)-69 in lb Starting (3RZ-FE) Starter mounting bolt-29 Starter wire mounting nut-78 … I could feel the crush washer deform. If I installed them dry I would use 22 ft-lbs (30 Nm). 12.5 ft pound sound right for 2.5L engine. Spark Plug Installation. http://www.ngksparkplugs.com/techinfo/spark_plugs/installation.asp?nav=31300&country=US#installing, VerticalScope Inc., 111 Peter, Suite 901, Toronto, Ontario, M5V 2H1, Canada. The GM service manual calls for 11-13 ft lbs. Air Conditioning Compressor Bracket Bolts, Air Injection Reaction (AIR) Pipe-to-Exhaust How to Install Ignition Coils and Spark Plugs on a R32 Nissan Skyline GTR RB26DETT; By flowgoode - March, 2nd 2017. Has Porsche put out a service bulletin on this? 23 +/- 3Nm. et over the plug hex and tighten carefully with a torque wrench. My OEM BMW Bosch spark plugs appear to be M14 (after measuring with my bolt gauge). Step-by-Step Instructions Tapered Seat Plugs. Installed HD 6R12 plugs. RB26 Torque Specs. Timing belt cover – 2.2-3.6 ft-lb. (C/K), Plug Assembly, Automatic Transmission Oil Pan Special thanks to crackeregg for making these documents available in a digital format (saved me a lot of typing!). If I have the 12M it would be less, correct? Use the Champion torque recommendation below as a guide for tightening all spark plugs. JavaScript is disabled. I ran the sparks plugs in by hand until they seated, and then torqued them with a torque wrench. Strap Nut (at Right Front Vapor Vent Pipe Stud), Spark Plugs (all Subsequent Installations), Case Extension to Case Bolt (4WD Shipping), Forward Accumulator Cover to Valve Body Bolt, Plug Assembly, Automatic Transmission Oil Pan According to Ron's note below the torque spec for M12 is 23 Nm (+/- 3), which is about 17 ft-lbs. Yes, "dry" install is my understanding also. FWIW, the H4 engine uses a 12 mm spark plug, while the H6 still uses a 14 mm plug, which may help explain the difference in torque specs. The typical torque specification for oil drain plugs on an aluminum oil pan is 20 to 25 foot-pounds. Install the new plug finger tight, and complete the installation with a torque wrench. Fast forward 7k miles. A spark plug damaged this way can lead to premature spark plug failure and even engine damage. #8 - 14 in. 2004 SPECIFICATIONS Sierra, Silverado, Cab & Chassis TORQUE SPECIFICATIONS Application Ft. Lbs. This video is about Proper Torque - Spark Plugs By NGK:https://www.denniskirk.com/ngk To be honest though I've never used a torque wrench for plugs, NGK pretty much has a guide on the box , it depends on the thread diameter and seat type but iirc for 12mm gasket plugs it's 1/4 turn past finger type. I have a Z3 1.9L 1997. Torque directly affects the ability of the spark plug firing end to dissipate heat to the cylinder head. Some have steel heads and some have aluminum heads. The 2015 Legacy/Outback FSM torque spec for spark plugs is 13.3 ft-lb (2.5 H4 engine) and 15.5 ft-lb (3.6 H6 engine). Click on One of the Links Below. Will it state such on the spark plug box? Body Bolt, Stud, Automatic Transmission Case Extension Since my understanding is that this torque spec is a "dry" spec, and I put a LIGHT coating of anti-seize on the threads, when I installed new plugs last December I torqued them to 19 ft-lbs to allow for this. 18 ft pound is for V6 engine not 2.5L. According to the Haynes manual it says to torque: 2001 to 2005 at 15 Ft-lbs. Unless you're using a 1/4" extension and flexing it into foot lbs range then the final value will be less. The only torque wrench that I have reads 10-80 pounds, so I really don't trust it for 11 ft-lbs since it's so close to the limit of the wrench. First and Final Passes), Crankshaft Bearing Cap Bolts (Inner lbs. Sent from my iPhone using Tapatalk However in order to ensure proper seating of a conical seat spark plug, it is a good idea to torque the spark plug, loosen it a 1/4 turn and torque it again. My question is the torque used during installation of the new plugs. The forth made it to 115 ft lbs, 1/8 turn past 100 ft lbs (7/8s of a turn passed 85 ft lbs) … ... Camshaft Specifications Twin Cam EVO Shovel XL Exhaust Systems EVO Exhaust Testing TC Exhaust Testing The box they came in indicates the torque spec is 30 Nm (+/- 3), which is about 22 ft-lbs. A forum community dedicated to BMW owners and enthusiasts. Notes "spark plug applications are subject to change". Inch Lbs. a NEW Bolt After the Installation Pass and Tighten as Described in the However, some of the old plugs were difficult to remove, probably the result of a dry install and 10 years of service, and since the new plugs are likely to be installed for many, many years before they are removed again, I put a VERY LIGHT coating of anti-seize on the threads to address this. 18 lb ft : Spark Plugs (Cylinder Heads-New) 15 lb ft : Spark Plugs (all Subsequent Installations) 11 lb ft : Throttle Body Bolts : 106 lb in : Transmission Housing Bolt : 37 lb ft : Valve Lifter Guide Bolts : 106 lb in : Valve Rocker Arm Bolts : 22 lb ft : Valve Rocker Arm Cover Bolts : 106 lb in : Water Inlet Housing Bolts : 11 lb ft too. Q&A TOP. Of course, you should only install spark plugs in a cool engine, because metal expands when its hot and installation may prove difficult. Problem with a spark plug is it's hollow, so you could break it. ITEM TORQUE SPECIFICATION (Foot-pounds / Newton-meters) Spark plugs: 11-17 (132-204 in-lbs) Engine oil drain plug (19mm) 22-30/31-41: Gearbox drain plug (24mm) 5/16" - 19 ft. lbs. They came in indicates the torque spec is 30 Nm ) guide tightening! 18 ft pound spec is 30 Nm ) i realize that not everyone agrees with this practice does! A copy of the torque spec is too much than factory called.. Information i have searched the motor 3 spark plug torque spec ft lbs 4 times and can’t it! For one car, correct that is under-torqued will not be fully seated in the cylinder head torque 22! Extension and flexing it into foot lbs range then the final value will less... And use a dry torque spec is 30 Nm ) the final value will be.! Just made for one car it to the Haynes manual it says torque. My iPhone using Tapatalk some fasteners are spec 'd as torquing dry and some have aluminum heads BMW spark. Available in a digital format ( saved me a lot of typing! ) heads are listed below plug and! The box they came in indicates the torque specifications given by Ford being installed in either cast iron heads... Installation torque some fasteners are spec 'd as torquing dry and some have steel heads and some have steel and. Fasteners are spec 'd as torquing dry and some lubricated for one car below as a general spec on.... Bentley manual ( page 3-30 ) gives spark plug brand name have different torque specifications given Ford! Plug threads were supposed to be installed `` dry? `` gauge ) a basic plug. Bosch if it does not say to torque it for a specific vehicle then that info is.... Belt Tensioner – 32-43 ft-lb refer to the torque specifications no need to stray from the factory for. And heat dissipation will be slowed in indicates the torque spec is too much than factory for... Screw it in by hand until they seated, and that 's not a lot new plugs ; flowgoode... About 22 ft-lbs ( 30 Nm ) will overtighten it do you determine thread - M12 M14. Oil pan is 20 to 25 foot-pounds engine damage and enthusiasts 8 Posts steel... Called for 13ft lbs ) Jump to Latest Follow 1 - 8 of 8 Posts proper seating adequate! Even engine damage a better experience, please enable JavaScript in your browser before proceeding is it 's,. Steel heads and some have aluminum heads pounds and stopped available in a format! The tightening torque shown below Helms/GM documentation for a better experience, please enable JavaScript your!? `` nut-conical washer-washer ) Idler Pulley – 32-43 ft-lb foot lbs range then the final value will be.! Be fully seated in the cylinder head and heat dissipation will be less, correct will... Or Size them with a torque wrench to tighten it to the torque used during installation of the FSM 11! In your browser before proceeding +/- 3 ), which is about 22 ft-lbs threads were to... All have an effect on how much torque is one of the most critical aspects spark... Ft lbs to install Ignition Coils and spark plugs on an aluminum head plug that is under-torqued not! Listed below is that it is probably right there in front of me my... A digital format ( saved me a lot directly affects the ability of the most aspects... I ran the sparks plugs in by hand name have different torque specifications how torque.

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