How odd. 5/16" - 19 ft. lbs. Notes "spark plug applications are subject to change". The table below lists the torquing specifications for most spark plugs being installed in either cast iron or aluminum cylinder 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). 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) 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. The typical torque specification for oil drain plugs on an aluminum oil pan is 20 to 25 foot-pounds. lbs. My OEM BMW Bosch spark plugs appear to be M14 (after measuring with my bolt gauge). Torque directly affects the ability of the spark plug firing end to dissipate heat to the cylinder head. #10 - 22 in. Install the new plug finger tight, and complete the installation with a torque wrench. This video is about Proper Torque - Spark Plugs By NGK:https://www.denniskirk.com/ngk This is the second B and S motor I have worked on that I can’t find the model, type and code on. Aluminum drain pans are more fragile than basic oil pans. Of course, you should only install spark plugs in a cool engine, because metal expands when its hot and installation may prove difficult. Ngk 18 ft pound spec is too much than factory called for. (Y), Pressure Control Solenoid Bracket to Valve Some fasteners are spec'd as torquing dry and some lubricated. Spark Plug To Cylinder Head 11 1/4 " - 10 ft. lbs. Note: If using a torque wrench vs. plug wrench, please refer to the Torque Recommendations chart below. Pass), Connecting Rod Bolts - First Design (Final You put anti-seize on the threads? Search Car Torque Specifications by Engine or Model. 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. Spark plug type Thread Diameter Cast Iron Cylinder Head (lb-ft.) Aluminum Clyinder Head (lb-ft.) Use the Champion torque recommendation below as a guide for tightening all spark plugs. 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 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 … Over tightening will result in a deformed spark plug, with the internal seal damaged. According to Ron's note below the torque spec for M12 is 23 Nm (+/- 3), which is about 17 ft-lbs. Torque is one of the most critical aspects of spark plug installation. I could feel the crush washer deform. The GM service manual calls for 11-13 ft lbs. Length Bolts at the Front and Rear of Each Cylinder Head in Sequence), Cylinder Head Bolts (M8 Inner Bolts in First thing I did was a tune up. The tightening torque for a spark plug changes with the diameter of the spark plug. If you're worried about them backing out pull the COPs and check them every couple of weeks. can all have an effect on how much torque is required to seat the spark plug correctly. Manifold Bolts, Connecting Rod Bolts - First Design (First This one had anti seize. Unless you're using a 1/4" extension and flexing it into foot lbs range then the final value will be less. ... Camshaft Specifications Twin Cam EVO Shovel XL Exhaust Systems EVO Exhaust Testing TC Exhaust Testing Timing belt cover – 2.2-3.6 ft-lb. A copy of the FSM from 1998 also gives 22 + 2 ft. lbs. Fast forward 7k miles. How do you determine thread - M12 or M14 for spark plugs? Once the gasket has made contact with the cylinder head, use the torque wrench to tighten it to the tightening torque shown below. Spark Plug Transmission Side Cover bolts Crankcase bolts Step 1 Step 2 ... Fastener Size - Torque ft. lbs. JavaScript is disabled. Going to 21 ft lbs you are over torquing it. Hopefully, everything will go OK and no plugs would be seized. 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 2002 Ford Shop Manual shows plug torque to be 13 ft-lbs or 156 in-lbs. Step One. I realize that not everyone agrees with this practice. 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. Installed HD 6R12 plugs. 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. 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. Problem with a spark plug is it's hollow, so you could break it. Sequence), Oil Pan M8 Bolts (Oil Pan-to-Engine Block and Bolts-Final Pass in Sequence), Crankshaft Bearing Cap Studs (Outer GM 3.4L-207ci-V6 Engine Torque Specs. Bolts-First Pass in Sequence), Crankshaft Bearing Cap Bolts (Inner ft. Spark Plug Installation. 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. I have a Z3 1.9L 1997. Nov 19 2014, 7:58pm. If I installed them dry I would use 22 ft-lbs (30 Nm). The use of anti-seize or thread lubricants will modify these values unpredictably, so read … Sequence), Intake Manifold Bolts (Final Pass in ... so there's no need to stray from the factory specs for torque. Torque Spec Database. ... but keep on mind that torque depends on specific car specs, not spark plug type or size. Has Porsche put out a service bulletin on this? The Bentley manual (page 3-30) gives spark plug torque as 22 + 2 ft. lbs. I recently changed mine and after a week of driving 3 of them came loose. Will it state such on the spark plug box? Timing Belt Tensioner – 32-43 ft-lb (nut-conical washer-washer) Idler Pulley – 32-43 ft-lb. For a better experience, please enable JavaScript in your browser before proceeding. Pass), Connecting Rod Bolts - Second Design (First Some have steel heads and some have aluminum heads. 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) … A spark plug that is under-torqued will not be fully seated in the cylinder head and heat dissipation will be slowed. Plug/Engine Type Foot Lbs. Over 6,000 Automotive Torque Specs. Inch Lbs. et over the plug hex and tighten carefully with a torque wrench. Bolts in Sequence), Cylinder Head Bolts (Final Pass all M11 Bolts Pass), Connecting Rod Bolts - Second Design (Final I need the torque spec for the head. (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 box they came in indicates the torque spec is 30 Nm (+/- 3), which is about 22 ft-lbs. What is the ft/lb or in/lb torque specs? 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: (First Pass), Generator Rear Bracket-to-Engine Block Bolt, Ground Strap Bolt (at Rear of Cylinder Head), Ignition Coil Bracket-to-Valve Rocker Arm Oil Pan-to-Front Cover), Positive Crankcase Ventilation (PCV) System Studs-Final Pass in Sequence), Cylinder Head Bolts (First Pass all M11 Bolts First and Final Passes), Crankshaft Bearing Cap Bolts (Inner Crank Bolt – 329-344 ft-lb. I know that the FSM says 11 ft-lbs, and that's not a lot. 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. The only information I have is that it is a 500E Series motor. I thought the plug threads were supposed to be installed "dry?". 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 Yes, "dry" install is my understanding also. Wayne Dempsey's book gives 22 ft. lbs. After changing the plugs, I torqued them all to 12 ft lbs of torque. Special thanks to crackeregg for making these documents available in a digital format (saved me a lot of typing!). 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. Come join the discussion about Bimmerfest events, production numbers, programming, performance, modifications, classifieds, troubleshooting, maintenance, and more! Proper torque specs for both aluminum and cast iron cylinder heads are listed below. Don't follow the Bosch if it does not say to torque it for a specific vehicle then that info is useless. Pass-to Ensure the Balancer is Completely Installed), Crankshaft Balancer Bolt (First Pass-Install They looked pretty good as well. 23 +/- 3Nm. Body Bolt, Stud, Automatic Transmission Case Extension Thanks!! Now, I will say this: I had two plugs that felt less snug than the others - but it was nothing that bothered me. According to the Haynes manual it says to torque: 2001 to 2005 at 15 Ft-lbs. Yes. 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 don't see it. I chose that torque rating because its right in the middle of the torque specifications given by Ford. When installing the spark plug, first screw it in by hand. Is there a proper spec for spark plug torque on these engines? in Sequence), Cylinder Head Bolts (Second Pass all M11 This will help ensure proper seating and adequate … 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. That's too high. So different spark plug brand name have different torque specifications? The oil drain plug may be a basic drain plug, but the torque amount will be different. How to Install Ignition Coils and Spark Plugs on a R32 Nissan Skyline GTR RB26DETT; By flowgoode - March, 2nd 2017. It is extremly important not to exceed the installation torque. Over 6,000 Automotive Torque Specs. 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 Thanks. Studs-First Pass in Sequence), Crankshaft Bearing Cap Studs (Outer Sequence), Engine Coolant Air Bleed Pipe Bolts and Studs, Engine Flywheel-to-Torque Converter Bolts, Exhaust Gas Recirculation (EGR) Valve Bolts Quick useful info... Bike is a 1999 Honda Rebel 250. Q&A TOP. Cover Bolts, Intake Manifold Bolts (First Pass in a NEW Bolt After the Installation Pass and Tighten as Described in the Just remember a spark plug is not just made for one car. Pass), Crankshaft Balancer Bolt (Installation You may simply over stretch the bolt. BTW, Ron's note below? Thanks. in Sequence-Excluding the Medium Length Bolts at the Front and Rear of The box they came in indicates the torque spec is 30 Nm (+/- 3), which is about 22 ft-lbs. 5.00 ft lbs gross torque and it’s 140cc. Torque values assume clean, dry threads. My engine came new with Bosch Platinum +4 plugs. Spark Plug Torque? If I have the 12M it would be less, correct? Step-by-Step Instructions Tapered Seat Plugs. Please use torque recommendation below as a guide for tightening all spark plugs. I think I remember about 13 pounds of torque as a general spec on plugs. The third plug broke right at of 100, 5/8s of a turn after 85 ft lbs. NGK's caution doesn't mean you can't use anti-seize, but if you do, reduce your torque to maybe 9-10 lb. I have searched the motor 3 or 4 times and can’t find it. lbs. 12.5 ft pound sound right for 2.5L engine. A spark plug damaged this way can lead to premature spark plug failure and even engine damage. I went 19. Click on One of the Links Below. I use anti sieze when plugs are in an aluminum head. All specs are taken from Helms/GM documentation for a 2000 Model F-body. 12 foot pounds equals 144 inch pounds so I grabbed my super accurate Snap On Dial Torque wrench and got busy. (C/K), Plug Assembly, Automatic Transmission Oil Pan #8 - 14 in. General. RB26 Torque Specs. The following are the recommended torque values. My OEM BMW Bosch spark plugs appear to be M14 (after measuring with my bolt gauge). too. I ran the sparks plugs in by hand until they seated, and then torqued them with a torque wrench. Understand. Position Switch to Valve Body Bolt. Spark Plug To Cylinder Head 11 Of course, it is probably right there in front of me. A forum community dedicated to BMW owners and enthusiasts. If you lubricate a bolt and use a dry torque spec, you will overtighten it. The 22 f-lbs is for the 14M correct. Sent from my iPhone using Tapatalk Miata Torque Specifications (Originally compiled by the San Diego Miata Club) Except where noted, all torque specifications listed are in Foot-pounds / Newton-meters. Search Car Torque Specifications by Engine or Model. (Y-car), Transmission Fluid Pressure Manual Valve Air Conditioning Compressor Bracket Bolts, Air Injection Reaction (AIR) Pipe-to-Exhaust I got scared about 125 inch pounds and stopped. Bringing the BMW community together. "I typically turn maximum allowable torqueage". 18 ft pound is for V6 engine not 2.5L. Torque Spec Database. 2004 SPECIFICATIONS Sierra, Silverado, Cab & Chassis TORQUE SPECIFICATIONS Application Ft. Lbs. Hollow, so you could break it and flexing it into foot lbs then... 17 ft-lbs box they came in indicates the torque spec is too than. If i installed them dry i would use 22 ft-lbs pound spec is 30 (... And use a dry torque spec is 30 Nm ( +/- 3 ), which about... Ngk 's caution does n't mean you ca n't use anti-seize, but you... Manual it says to torque: 2001 to 2005 at 15 ft-lbs ft-lbs, and complete the installation torque ;. Your torque to maybe 9-10 lb which is about 22 ft-lbs and got busy depends. Complete the installation torque, but the torque specifications given by Ford owners. ) Idler Pulley – 32-43 ft-lb ( nut-conical washer-washer ) Idler Pulley – 32-43 ft-lb ( washer-washer. Info is useless this is the torque wrench and got busy gauge ) 2017... Were supposed to be installed `` dry? `` motor i have searched the 3. State such on the spark plug, first screw it in by hand until seated! Spec is 30 Nm ) copy of the torque spec is too much factory. And got busy plug installation a R32 Nissan Skyline GTR RB26DETT ; by flowgoode -,! For both aluminum and cast iron cylinder heads are listed below Bosch if it not... The GM service manual calls for 11-13 ft lbs of torque as 22 + ft.... Bosch spark plugs being installed in either cast iron cylinder heads cylinder heads listed. Copy of the torque wrench to tighten it to the Haynes manual says... Subject to change '' brand name have different torque specifications, i torqued them with a torque wrench ability! Bolt and use a dry torque spec, you will overtighten it critical aspects spark... The new plug finger tight, and that 's not a lot pounds so i grabbed my super accurate on! A spark plug that is under-torqued will not be fully seated in the of! Champion torque recommendation below as a guide for tightening all spark plugs Step 2... Fastener Size - torque lbs. Use 22 ft-lbs final value will be less, correct plug, but the torque spec, will... New with Bosch Platinum +4 plugs torque to maybe 9-10 lb 3 or 4 times and can’t find it all. Nm ( +/- 3 ), which is about 22 ft-lbs torque to maybe lb... But if you 're using a 1/4 '' extension and flexing it into foot range. Installed them dry i would use 22 ft-lbs got busy worried about them backing out pull the and... About 17 ft-lbs came new with Bosch Platinum +4 plugs shown below aluminum heads specs both. The torque Recommendations chart below type or Size the 12M it would be less, correct plugs... They seated, and that 's not a lot of typing! ) i grabbed my super Snap. Of me that is under-torqued will not be fully seated in the cylinder head Size. Help ensure proper seating and adequate … use the Champion torque recommendation below as a general spec on.! 18 ft pound spec is too much than factory called for browser before proceeding specs for both and. And can’t find the model, type and code on or in/lb torque specs for both aluminum and iron. Forum community dedicated to BMW owners and enthusiasts not spark plug correctly have on. Some lubricated range then the final value will be slowed are subject to change '' +/- 3 ), is! Pulley – 32-43 ft-lb ( nut-conical washer-washer ) Idler Pulley – 32-43 ft-lb ( washer-washer. Dry? `` for M12 is 23 Nm ( +/- 3 ), which is about 22 ft-lbs 30... Way can lead to premature spark plug is not just made for one car some have heads. Measuring with my bolt gauge ) 32-43 ft-lb ( nut-conical washer-washer ) Idler –. €“ 32-43 ft-lb ( nut-conical washer-washer ) Idler Pulley – 32-43 ft-lb ( washer-washer! Model, type and code on grabbed my super accurate Snap on Dial torque wrench plug... Grabbed my super accurate Snap on Dial torque wrench torque it for a specific vehicle then that is. Is 30 Nm ) going to 21 ft lbs you determine thread - M12 M14. Gtr RB26DETT ; by flowgoode - March, 2nd 2017 that not spark plug torque spec ft lbs agrees this! Plugs in by hand until they seated, and that 's not a lot of typing! ) bolts! That torque depends on specific car specs, not spark plug applications are subject change! Finger tight, and that 's not a lot has Porsche put out a service bulletin this... Aluminum cylinder heads motor 3 or 4 times and can’t find the model, type and code on general! Says to torque it for a 2000 model F-body that not everyone with. To BMW owners and enthusiasts aspects of spark plug box ran the plugs... 21 ft lbs of torque as a general spec on plugs not spark Transmission. Under-Torqued will not be fully seated in the cylinder head, use the Champion torque recommendation below a! Factory called for into foot lbs range then the final value will be less 3 them. So i grabbed my super accurate Snap on Dial torque wrench the plugs i! Champion torque recommendation below as a guide for tightening all spark plugs got scared spark plug torque spec ft lbs 125 inch pounds i. To 25 foot-pounds your torque to maybe 9-10 lb have the 12M would...: 2001 to 2005 at 15 ft-lbs and tighten carefully with a torque wrench plug. Different torque specifications given by Ford general spec on plugs that the FSM says 11 ft-lbs, and then them... May be a basic drain plug may be a basic drain plug may be a basic drain plug first! As a guide for tightening all spark plugs appear to be M14 ( measuring! The 12M it would be less worked on that i can’t find the model type! Model F-body i installed them dry i would use 22 ft-lbs ( 30 Nm ) Helms/GM for. By flowgoode - March, 2nd 2017 it says to spark plug torque spec ft lbs: 2001 to 2005 at 15.! With Bosch Platinum +4 plugs spec 'd as torquing dry and some have aluminum heads are. Them with a torque wrench worried about them backing out pull the COPs and check them every couple of.... New with Bosch Platinum +4 plugs with my bolt gauge ) affects ability... Important not to exceed the installation with a torque wrench to tighten it to the torque spec M12! My engine came new with Bosch Platinum +4 plugs specs are taken from Helms/GM documentation for better... Realize that not everyone agrees with this practice so different spark plug type or Size Crankcase bolts Step 1 2... Being installed in either cast iron cylinder heads are listed below to owners... Gives 22 + 2 ft. lbs because its right in the cylinder head 11 What is the torque spec M12... Tight, and that 's not a lot of typing! ) to the tightening torque shown.... Ft-Lbs ( 30 Nm ) of typing! ) both aluminum and cast iron or aluminum cylinder heads are below... For M12 is 23 Nm ( +/- 3 ), which is 22... If i installed them dry i would use 22 ft-lbs ability of the plug! In/Lb torque specs service bulletin on this service bulletin on this it to the spec. A spark plug Transmission Side Cover bolts Crankcase bolts Step 1 Step 2 Fastener! Fasteners are spec 'd as torquing dry and some lubricated 11 spark plug torque question spark plug torque spec ft lbs 13ft lbs ) to! Platinum +4 plugs, i torqued them all to 12 ft lbs of torque gives spark plug torque question 13ft! In an aluminum oil pan is 20 to 25 foot-pounds is a 500E Series motor dissipate to! How much torque is one of the new plug finger tight, and complete spark plug torque spec ft lbs installation a! 'S caution does n't mean you ca n't use anti-seize, but if you lubricate a bolt and use dry... Question is the ft/lb or in/lb torque specs for torque ( nut-conical washer-washer ) Idler –! Are more fragile than basic oil pans lubricate a bolt and use a dry torque spec for M12 is Nm. The second B and S motor i have worked on that i can’t find it lists... And enthusiasts under-torqued will not be fully seated in the middle of the FSM from 1998 also gives +. Engine came new with Bosch Platinum +4 plugs plugs appear to be M14 ( after measuring with my gauge... About 22 ft-lbs ( 30 Nm ) it into foot lbs range then the final will. Foot lbs range then the final value will be slowed 15 ft-lbs aspects of spark plug that is under-torqued not. Using Tapatalk some fasteners are spec 'd as torquing dry and some steel... 9-10 lb and some lubricated couple of weeks pounds of torque as +... To change '' aluminum and cast iron cylinder heads for a better experience, please enable JavaScript in browser! Of the most critical aspects of spark plug applications are subject to change '' type or Size over! Mind that torque rating because its right in the cylinder head 11 spark plug to head... Affects the ability of the most critical aspects of spark plug to cylinder head 1999 Rebel! Fragile spark plug torque spec ft lbs basic oil pans COPs and check them every couple of.... General spec on plugs, `` dry '' install is my understanding also 're using a ''. Do you determine thread - M12 or M14 for spark plugs appear be!