This article will discuss the basics of torque and torque wrench use. It is recommended that you consult a factory level service manual before making. When applying the tightening torque m a, bolt force deviations of the clamp force f v of 20%. Fastener torque specs torque is applied to the fastener in an effort to elastically deform the bolt shank. The rotation of a bolt torque at some point causes it to stretch tension. For these reasons, it is not practical to provide a single bolt torque chart or formula that is accurate for all situations. Any tool, even a torque wrench, should be used with common sense. Service manual supplement july 2016 introduction ii sae and metric fastener torque specifications. Lubricate all contact areas of the bolts and washers. The published torque values do not include the rotational drag of the elastic stop nuts an365. A guide to torque values it should be understood that the subject of torque tension loading is beyond the scope of this document. This edition of the councils specification for structural. The bolt connecting the cover plate to the transmission bolts at 45 ft. Note that some companies do not specify torque for certain components or parts.
Kseries cylinder head torque specs oem cylinder head bolts. Complete cylinder head torque specifications for domestic and. If you use aftermarket performance bolts like arps, you should follow the recommended torque specifications. They can be threaded onto a new or existing bolt, stud, threaded rod or shaft. Install oil jet a using a screw driver and hammer, tap in the oil jet. This assembly torque is designed to achieve a preloading in the bolt expressed in percentage of the bolt yield stress. We supply round u bolts, square u bolts and semiround u bolt kits complete. Lightly lubricate all types of cylinder head cap screwsnuts for. Xc90 torquing specs help, advice, owners discussion and diy tutorials on volvo xc90s. Lubricated refers to fasteners in the as received condition, which is normally a light preservative oil coating on unplated fasteners and no oil coating on plated fasteners. Regardless of the configuration, the 327s torque specifications are identical. General motors began producing 60degree v6 engines in 1980 with its 2. Nov 21, 2009 need torque spec for 10 bolt axle third member 81 chev c10 answered by a verified chevy mechanic we use cookies to give you the best possible experience on our website. Ring or full face gasket on raised face steel flange.
Gen ii oem parts guidetorque specwrench guide gen ii. Year engine displacement liters cc engine idvin cylinder head bolts main bearing bolts rod brearing bolts crankshaft damper bolts flywheel bolts manifold spark plugs lug nuts intake exhaust 1999. Based on the smaller 283 engine, the 327 was manufactured in a variety of configurations to produce different power ratings. Bolts on pre1995 models connecting the engine block to the transmission, receive 18 ft. The torque specifications and sequences listed in this publication are considered accurate and reliable at the. The torque turn method is used when precise control over clamping force is required.
To achieve a reliable seal, adequate gasket stress must be applied during installation. Need torque spec for 10 bolt axle third member 81 chev c10. With our products, bolting is fast, safe, easy and accurate. Year engine displacement liters vin cylinder head bolts main bearing bolts rod bearing bolts crankshaft damper bolts flywheel bolts manifold spark plugs oil pan drain plug intake exhaust 2005. This will help ensure you have the correct installation procedure for your specific application before installing any components. The initial torque is required to bring all parts of the joint into contact. Reuse of originalused spring u bolts is not recommended due to fatigue and stretching when u bolt was originally torqued. Year engine displacement liters engine idvin cylinder head bolts main bearing bolts rod brearing bolts crankshaft damper bolts flywheel bolts manifold spark plugs oil pan drain plug intake exhaust 2003. Fastener specifications ls3 fastener tightening specifications application specification metric english ac compressor bracket to engine block retaining bolt. Torque curve for 45,000 psi bolt stress torque required.
Our rtx directfit, low profile torque wrenches combine high powertoweight ratio. Follow crosspattern bolt torquing sequence and multiple stage process leading up to the final torque process. After final torque is achieved, turn each bolt 90 degrees 14 turn clockwise with a single smooth pull of the wrench. Follow any special instructions or multistep directions carefully to assure correct final torque. The bicycle specific torque value chart is also available as a pdf file. Specification for structural joints using highstrength bolts. The 232 version has the same bore as the 262 but used a 3. Torque wrenches are simply tools for measuring resistance to rotation.
Hudson introduced the big six engine line in 1948 as a 262 cubic inch only. Always refer to an approved source for all final torque. A random sample of new and used an3654, and 5 nuts shows that the torque required to turn an4 14 nuts varied between 1519 inlbs. Leaf spring u bolt kits for heavy trucks, medium and light duty trucks and auto applications. Page 1 of the 2007 jeep torque specifications for all the nuts and bolts on the jeep wrangler jks. Cylinderhead gasket and cylinderhead bolts all from one supplier. It is a pretty big file so i broke it up into 5 pages for the website. The bolt will loosen the grip on the parts that are being fastened. The torque values can only be achieved if nut or tapped hole has a proof load greater than or equal to the bolts minimum ultimate tensile strength. Engine wiring harness bolt rear engine channel 10y 89lbin engine wiring harness jumper bracket bolt 25y 18lbft evaporative emission canister purge solenoid valve bolt 10y 89lbin flywheel inspection cover bolt 10y 89lbin flex plate to torque converter fastener 60y 44lbft fuel feed pipe fitting 28y 21lbft.
For bolting specifications that do not have a published proofload, it is usually calculated at 92% of minimum yield strength. Component english specifications metric specifications. Touching up or retightening bolts that may have been loosened. Bolt and nut torque specifications honda civic repairs. Tightening torque hex bolts the tightening torque values given in the above table serve only as a guide.
C5 corvette torque values in this section you will find the most common torque values for your c5 corvette. Sae and metric fastener torque specifications rev a july 2016. Bolt torque specifications pdf bolt torque specifications pdf bolt torque specifications pdf download. In the case of bolts and nuts, this elastic deformation between the bolt head and the nut is critical in order to create tension or clamping force to hold the joint together. Em168 1grfe engine mechanical engine unit em standard depth. Ensure that all fasteners have been torqued before you perform the. Chevrolet first introduced the 327 smallblock engine in 1962. Contact the manufacturer for the most up to date specifications. To know what the friction level is, you take a dial torque wrench and take the reading of the friction applied and add that to your total torque value. Torque specifications are shown either as an exact figure, or a specific range. Torque steel grade sae 5 sae 8 socket head cap screws property class 8. Bolt torque specifications torque in footpounds for metric bolts bolt size grade 8. Leaf spring u bolts are available from grade 5 u bolts to grade 8 u bolts.
Astm a193 b7 grade bolts are made of alloy steel, aisi 41404142 quenched and tempered and are intended for use in pressure vessels, valves, flanges, and fittings. This page is not intended to replace the information contained in a factory level service manual and is intended solely as a quick reference. Now repeat with the bolts above the last bolts torqued, and then below the last bolts torqued. Torque specs and titanium bolts motorcycle engineering. A crossthreaded bolt will not properly tighten even with a torque wrench. Torque values chart for common bolt sizes n tractor club.
Deutz 1011 specs, bolt tightening torques and manuals. The additional turn provides the desired clamping force. So that would make it a total of 28inlbs of torque on the torque wrench. Specification for structural joints using astm a325 or a490 bolts. It takes more force to tighten a 3410 bolt than to tighten a 31816 bolt because it is larger in diameter.
This article includes a table of various torque recommendations. The values shown in the chart are to be used as a midrange guideline. Do not reuse bolts that have been permanently stretched. Bolt and nut torque specifications after overtightening one of the bolts for the brake caliper, the bolt head came right off and i quickly learned how important it was to pay attention to torque specifications. Correct torque gasket surface and still maintain a good seal. There may be different specifications for different size bolts, bolts in different positions. Correct torque specifications are shown in footpounds in bold type. For any 5 12 damper with 142028 bolts, torque to 120 inlbs utilizing loctite. Recommended bolt torque table size recommended torque grade 2 grade 5 grade 8 188 ss bronze brass coarse fine coarse fine coarse fine coarse fine coarse fine coarse fine. Always verify the part number for your application with the part number on the side of box and the part number on the instruction sheet. Kulak, 2000, strength of joints that combine bolts and welds.
Main bearing bolts 3438 ftlb in order, page 127 in fsm pdf connecting rod bolts 1012 ftlb, then 6065 degrees angle page 122 in fsm pdf windage trays girdle baffle plates 4. Torque diameter 1 sae threads per inch tpi lbf lbft grade 5 14 37500 625 grade 8 14 53000 883 to convert kn to lbf. Therefore, torque specifications are relied on as an. It should be noted that these figures are based on the first tightening of single assemblies in isolation. You should use at least grade 5 fasteners on almost everything on your motorcycle. Torque specs for small block chevy engines part bolt size minimum maximum camshaft sprocket 51618 15 ft. When a bolt is tightened, by applying a torque to the bolt head or nut, the bolt. The bolt is stressed up to the proofload value, and if there is no deformation, elongation, or fracture, then the bolt is deemed to have passed. Repeat pattern until you have torqued all the bolts 12 way tight. In addition, a proper bolt torque value can be inconsistent from fastenertofastener due to several factors including variations in material, coatings, surface finishes, fit tolerances, installation method, etc. Moly and other lubes offer reduced friction and increased bolt tension, which will affect the torque figure.
Torque proper tightening of the u bolt nuts and alignment bolts are high priority items. Small block chevy torque specs summit racing equipment. While every effort has been made to assure the accuracy of the values they may be incorrect for any number of reasons. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them.
These are all the torque settings that i have at the moment for the 2007 jeep wranglers. A fastener system is considered loose any time the torque is found below required values. This is the narrow block engine and was produced as 262 cubic inch in 1948, 1949 and 1950. A55 fastener torque charts imperial has made a concerted effort to provide accurate information in its catalog and on its web site, however imperial assumes no responsibility for the accuracy of the information. The xc90 proved to be very popular, and very good for volvos sales numbers, since its introduction in model year 2003 north america. Too much tension on the bolt will cause the bolt to be stretched beyond the point of yield.
Clamp load calculated as 75% of the proof load when specified by the standard. Recommended ubolt torque, suspension replacement parts. The information here supplied is an acceptable guide for normal conditions. Aera torque specs 500 coventry lane, suite 180, crystal lake, il 60014 tollfree technical hotline. Standard maintenance practice dictates that mechanics add this value to the specified torque. Here is the bolt torque chart for the astm a193 b7 grade bolts. There is a correlation between the tension in the bolt and the effort it takes to turn it. Now torque the bolts below the ones you started with. Bolt sizepitch lubricated with antiseize inlbs nm inlbs nm 61. Clamp loads for grade c lock nuts equal 75% of the bolt proof loads specified for sae j429 grade 8, and astm a354 grade bd bolts.
Main caps 396454 4 bolt inner and outer bolts engine oil 110 ftlbs. This document provides an estimation of torque for use during assembly of standard design steel pipe flanges. Bolt torque specifications pdf suggested assembly torque values working torgue. Fastener torque charts guide for prevailingtorque lock nut assembly torques cad and wax, grade b, c, and grade g flange nuts lock nut standards from ifi100 requirements torquetension requirements clamp loads for the grade b lock nuts equal 75% of the bolt proof loads specified for sae j429 grade 5, and astm a449 bolts. Also, keep in mind that torque specs will be less for bolts that have oil or lubricate on them than for clean, dry bolts. So if you have say 3inch pounds of run on, then you would add it to your torque of 25inlbs. There are several grades under astm a193 namely b7, b8 class 1, b8m class 1, b8 class 2, b8m class 2. Metric bolts maximum torque, in footpounds, for clean, dry threads check your shop manual bolt size low grade grade 8. Applied power products is a multifaceted organization that combines distribution and fabrication to serve the needs of customers in the upper midwest and around the world. Cylinderhead bolts used to be tightened with a precisely defined torque in several stages within the elastic elongation range of the bolt material chart bottom left.
If the bolt is tightened again, the bolt will break. Year engine displacement liters cc engine idvin cylinder head bolts main bearing bolts rod brearing bolts crankshaft damper bolts flywheel bolts manifold spark plugs lug nuts intake exhaust 2002. Basic specs are free and open to everyone they usually include engine images, displacement, dimensions and weight, essential bolt tightening torques, plus characteristics of the engine e. Failure to maintain the specified torque and to replace worn parts can cause component failure resulting in accident with consequent injury. Over the years, the company began manufacturing slightly larger engines with larger bores and higher output potential. For definition of supplementar specifications, see 6. Torque values chart for common bolt sizes intpi1 n m2 ftlb3 n m ftlb n m ftlb mm x pitch4 n m ftlb n m ftlb n m ftlb 14 20 7.
Bolt torque information for diy mechanics 38 inch drive torque wrench proper bolt torque applied with a torque wrench for any given automotive repair is the best way to assure your completed project will last as long as possible. Imperial has made a concerted effort to provide accurate information in its catalog and on its web site, however imperial assumes no responsibility for the accuracy of the information. So use a 14 drive ratchet on 14 bolts, 38 on 38 bolts, and 12 drive on 12 bolts, and pull kind of hard on the handle of the ratchet to get the bolt tight. Engine torque specifications component torque ac compressor brackettoengine bolts 34 n. Several factors affect how much tension occurs when a given amount of tightening torque is applied. These specs are for stocktype bolts with light engine oil applied to the threads and the underside of the bolt head. Year engine displacement liters engine idvin cylinder head bolts main bearing bolts rod brearing bolts crankshaft damper bolts flywheel bolts manifold spark plugs oil pan drain plug intake exhaust 2000. Bolts are graded by tensile strength and are easily identified by the number of slash marks on the head of the bolt.