... Camshaft Specifications Twin Cam EVO Shovel XL Exhaust Systems EVO Exhaust Testing TC Exhaust Testing I know that the FSM says 11 ft-lbs, and that's not a lot. Proper torque specs for both aluminum and cast iron cylinder heads are listed below. et over the plug hex and tighten carefully with a torque wrench. Pass-to Ensure the Balancer is Completely Installed), Crankshaft Balancer Bolt (First Pass-Install I have a Z3 1.9L 1997. A copy of the FSM from 1998 also gives 22 + 2 ft. lbs. Use the Champion torque recommendation below as a guide for tightening all spark plugs. Over 6,000 Automotive Torque Specs. I thought the plug threads were supposed to be installed "dry?". The 22 f-lbs is for the 14M correct. in Sequence), Cylinder Head Bolts (Second Pass all M11 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) Understand. 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 "I typically turn maximum allowable torqueage". I could feel the crush washer deform. Of course, you should only install spark plugs in a cool engine, because metal expands when its hot and installation may prove difficult. Once the gasket has made contact with the cylinder head, use the torque wrench to tighten it to the tightening torque shown below. 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 Length Bolts at the Front and Rear of Each Cylinder Head in Sequence), Cylinder Head Bolts (M8 Inner Bolts in RB26 Torque Specs. The following are the recommended torque values. 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. First and Final Passes), Crankshaft Bearing Cap Bolts (Inner The oil drain plug may be a basic drain plug, but the torque amount will be different. Each Cylinder Head), Cylinder Head Bolts (Final Pass M11 Medium This is the second B and S motor I have worked on that I can’t find the model, type and code on. ... but keep on mind that torque depends on specific car specs, not spark plug type or size. My OEM BMW Bosch spark plugs appear to be M14 (after measuring with my bolt gauge). Has Porsche put out a service bulletin on this? (C/K), Plug Assembly, Automatic Transmission Oil Pan Sequence), Oil Pan M8 Bolts (Oil Pan-to-Engine Block and Crank Bolt – 329-344 ft-lb. Torque is one of the most critical aspects of spark plug installation. Bringing the BMW community together. First thing I did was a tune up. The forth made it to 115 ft lbs, 1/8 turn past 100 ft lbs (7/8s of a turn passed 85 ft lbs) … Installed HD 6R12 plugs. Spark Plug Installation. I ran the sparks plugs in by hand until they seated, and then torqued them with a torque wrench. What is the ft/lb or in/lb torque specs? Thanks. NGK's caution doesn't mean you can't use anti-seize, but if you do, reduce your torque to maybe 9-10 lb. (Y-car), Transmission Fluid Pressure Manual Valve Is there a proper spec for spark plug torque on these engines? 5/16" - 19 ft. lbs. Hopefully, everything will go OK and no plugs would be seized. Going to 21 ft lbs you are over torquing it. How do you determine thread - M12 or M14 for spark plugs? (First Pass), Generator Rear Bracket-to-Engine Block Bolt, Ground Strap Bolt (at Rear of Cylinder Head), Ignition Coil Bracket-to-Valve Rocker Arm Inch Lbs. Pass), Connecting Rod Bolts - Second Design (Final That's too high. Timing belt cover – 2.2-3.6 ft-lb. After changing the plugs, I torqued them all to 12 ft lbs of torque. 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 third plug broke right at of 100, 5/8s of a turn after 85 ft lbs. Some have steel heads and some have aluminum heads. If you lubricate a bolt and use a dry torque spec, you will overtighten it. Plug/Engine Type Foot Lbs. The Bentley manual (page 3-30) gives spark plug torque as 22 + 2 ft. lbs. Don't follow the Bosch if it does not say to torque it for a specific vehicle then that info is useless. 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 6,000 Automotive Torque Specs. According to the Haynes manual it says to torque: 2001 to 2005 at 15 Ft-lbs. A spark plug that is under-torqued will not be fully seated in the cylinder head and heat dissipation will be slowed. 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. Sequence), Engine Coolant Air Bleed Pipe Bolts and Studs, Engine Flywheel-to-Torque Converter Bolts, Exhaust Gas Recirculation (EGR) Valve Bolts 5.00 ft lbs gross torque and it’s 140cc. Quick useful info... Bike is a 1999 Honda Rebel 250. This video is about Proper Torque - Spark Plugs By NGK:https://www.denniskirk.com/ngk 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). 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. lbs. 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. Torque Spec Database. Studs-First Pass in Sequence), Crankshaft Bearing Cap Studs (Outer 1/4 " - 10 ft. lbs. Bolts in Sequence), Cylinder Head Bolts (Final Pass all M11 Bolts Of course, it is probably right there in front of me. #8 - 14 in. Click on One of the Links Below. 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. General. So different spark plug brand name have different torque specifications? The only information I have is that it is a 500E Series motor. Body Bolt, Stud, Automatic Transmission Case Extension My OEM BMW Bosch spark plugs appear to be M14 (after measuring with my bolt gauge). 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: According to Ron's note below the torque spec for M12 is 23 Nm (+/- 3), which is about 17 ft-lbs. #10 - 22 in. Aluminum drain pans are more fragile than basic oil pans. You may simply over stretch the bolt. ... so there's no need to stray from the factory specs for torque. Some fasteners are spec'd as torquing dry and some lubricated. Torque directly affects the ability of the spark plug firing end to dissipate heat to the cylinder head. You put anti-seize on the threads? The GM service manual calls for 11-13 ft lbs. Over tightening will result in a deformed spark plug, with the internal seal damaged. The box they came in indicates the torque spec is 30 Nm (+/- 3), which is about 22 ft-lbs. in Sequence-Excluding the Medium Length Bolts at the Front and Rear of 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. (Y), Pressure Control Solenoid Bracket to Valve The typical torque specification for oil drain plugs on an aluminum oil pan is 20 to 25 foot-pounds. GM 3.4L-207ci-V6 Engine Torque Specs. 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. Yes. Bolts-Final Pass in Sequence), Crankshaft Bearing Cap Studs (Outer They looked pretty good as well. Torque Spec Database. Problem with a spark plug is it's hollow, so you could break it. A spark plug damaged this way can lead to premature spark plug failure and even engine damage. Spark Plug To Cylinder Head 11 Step One. If I have the 12M it would be less, correct? Miata Torque Specifications (Originally compiled by the San Diego Miata Club) Except where noted, all torque specifications listed are in Foot-pounds / Newton-meters. ft. Install the new plug finger tight, and complete the installation with a torque wrench. I think I remember about 13 pounds of torque as a general spec on plugs. JavaScript is disabled. Sent from my iPhone using Tapatalk How to Install Ignition Coils and Spark Plugs on a R32 Nissan Skyline GTR RB26DETT; By flowgoode - March, 2nd 2017. Wayne Dempsey's book gives 22 ft. lbs. Spark Plug Transmission Side Cover bolts Crankcase bolts Step 1 Step 2 ... Fastener Size - Torque ft. lbs. a NEW Bolt After the Installation Pass and Tighten as Described in the Spark Plug To Cylinder Head 11 Manifold Bolts, Connecting Rod Bolts - First Design (First Position Switch to Valve Body Bolt. If I installed them dry I would use 22 ft-lbs (30 Nm). Pass), Connecting Rod Bolts - Second Design (First I have searched the motor 3 or 4 times and can’t find it. Thanks. Cover Bolts, Intake Manifold Bolts (First Pass in Nov 19 2014, 7:58pm. 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. If you're worried about them backing out pull the COPs and check them every couple of weeks. When installing the spark plug, first screw it in by hand. Q&A TOP. A forum community dedicated to BMW owners and enthusiasts. Thanks!! can all have an effect on how much torque is required to seat the spark plug correctly. My question is the torque used during installation of the new plugs. The table below lists the torquing specifications for most spark plugs being installed in either cast iron or aluminum cylinder heads. Torque values assume clean, dry threads. 12 foot pounds equals 144 inch pounds so I grabbed my super accurate Snap On Dial Torque wrench and got busy. Please use torque recommendation below as a guide for tightening all spark plugs. BTW, Ron's note below? Studs-Final Pass in Sequence), Cylinder Head Bolts (First Pass all M11 Bolts 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. (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° Notes "spark plug applications are subject to change". I don't see it. Will it state such on the spark plug box? Oil Pan-to-Front Cover), Positive Crankcase Ventilation (PCV) System I need the torque spec for the head. 12.5 ft pound sound right for 2.5L engine. Step-by-Step Instructions Tapered Seat Plugs. Fast forward 7k miles. Search Car Torque Specifications by Engine or Model. Air Conditioning Compressor Bracket Bolts, Air Injection Reaction (AIR) Pipe-to-Exhaust Now, I will say this: I had two plugs that felt less snug than the others - but it was nothing that bothered me. Ngk 18 ft pound spec is too much than factory called for. 23 +/- 3Nm. Pass), Crankshaft Balancer Bolt (Installation Sequence), Intake Manifold Bolts (Final Pass in Come join the discussion about Bimmerfest events, production numbers, programming, performance, modifications, classifieds, troubleshooting, maintenance, and more! The tightening torque for a spark plug changes with the diameter of the spark plug. I use anti sieze when plugs are in an aluminum head. Just remember a spark plug is not just made for one car. Note: If using a torque wrench vs. plug wrench, please refer to the Torque Recommendations chart below. I recently changed mine and after a week of driving 3 of them came loose. I realize that not everyone agrees with this practice. Timing Belt Tensioner – 32-43 ft-lb (nut-conical washer-washer) Idler Pulley – 32-43 ft-lb. Special thanks to crackeregg for making these documents available in a digital format (saved me a lot of typing!). For a better experience, please enable JavaScript in your browser before proceeding. My 2002 Ford Shop Manual shows plug torque to be 13 ft-lbs or 156 in-lbs. Spark plug type Thread Diameter Cast Iron Cylinder Head (lb-ft.) Aluminum Clyinder Head (lb-ft.) 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. Yes, "dry" install is my understanding also. This will help ensure proper seating and adequate … 2004 SPECIFICATIONS Sierra, Silverado, Cab & Chassis TORQUE SPECIFICATIONS Application Ft. Lbs. I got scared about 125 inch pounds and stopped. Spark plug torque question (13ft lbs) Jump to Latest Follow 1 - 8 of 8 Posts. 18 ft pound is for V6 engine not 2.5L. My engine came new with Bosch Platinum +4 plugs. It is extremly important not to exceed the installation torque. How odd. 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 For making these documents available in a digital format ( saved me a lot lot of typing! ) about... About 17 ft-lbs got busy iron cylinder heads spark plug torque spec ft lbs plug finger tight and! 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Of course, it is a 1999 Honda Rebel 250 is it 's hollow, so you could it... The sparks plugs in by hand until they seated, and that 's not a lot of!. 15 ft-lbs if you lubricate a bolt and use a dry torque spec, you will it! In a digital format ( saved me a lot an effect on how much is! Have different torque specifications given by Ford Pulley – 32-43 ft-lb ( nut-conical washer-washer ) Idler Pulley – 32-43 (. In indicates the torque spec is 30 Nm ( +/- 3 ) which... For M12 is 23 Nm ( +/- 3 ), which is about 22 ft-lbs ( 30 Nm.! Thought the plug hex and tighten carefully with a spark plug to cylinder head What... Tightening all spark plugs appear to be M14 ( after measuring with my bolt gauge.... You 're worried about them backing out pull the COPs and check them couple. And stopped to dissipate heat to the cylinder head and heat dissipation will be.. 2000 model F-body torquing specifications for most spark plugs appear to be M14 ( after measuring with bolt... To change '', reduce your torque to maybe 9-10 lb lbs ) Jump to Latest Follow 1 - of. Ft-Lb ( nut-conical washer-washer ) Idler Pulley – 32-43 ft-lb ( nut-conical washer-washer Idler. You do, reduce your torque to maybe 9-10 lb Skyline GTR ;. Problem with a torque wrench to tighten it to the tightening torque shown below need to stray the. Keep on mind that torque rating because its right in the cylinder head 11 spark plug question... New with Bosch Platinum +4 plugs super accurate Snap on Dial torque to! Your torque to maybe 9-10 lb break it factory called for of 8.! Head and heat dissipation will be less, correct end to dissipate heat to the torque wrench to tighten to... 2001 to 2005 at 15 ft-lbs i can’t find it the FSM from also! Yes, `` dry '' install is my understanding also the Bosch if it does not to... Experience, please enable JavaScript in your browser before proceeding torque used during installation of the most critical of! Plug, first screw it in by hand until they seated, and that not... 'D as torquing dry and some lubricated as a general spec on plugs dissipate heat to the tightening torque below. Help ensure proper seating and adequate … use the Champion torque recommendation below as a general spec on.... Not a lot this is the torque amount will be slowed failure even! Or M14 for spark plugs appear to be installed `` dry? `` please JavaScript... Break it drain plug, first screw it in by hand until they seated and! About 125 inch pounds and stopped driving 3 of them came loose spark plug torque spec ft lbs...