What are the torque specs for cylinder head bolts?

Tighten the M11 cylinder head bolts (1-10) a second pass in sequence to 90 degrees using J 45059. Tighten the M11 cylinder head bolts (1-10) a final pass to 70 degrees using J 45059. Tighten the M8 cylinder head bolts (11-15) to 30 N.m (22 lb ft).

What’s the final torque for a GMC Truck?

It’s 22lbs, 90 degree, then 90 degree only on the longs, 60 on the shorts. The 22lbs on all 10mm. 22, 90, then 70 is for 04+ bolts and blocks. It’s 22lbs, 90 degree, then 90 degree only on the longs, 60 on the shorts. The 22lbs on all 10mm. 22, 90, then 70 is for 04+ bolts and blocks.

What are the torque specifications for a GM 5.3L V8?

480 Pontiac – Clutch Fork Ball Stud Type: Stud 25 300 Type: Bolt Head: Hexagon 20 240 Type: Bolt Head: Hexagon 20 240 Pontiac – Rocker Arm Nuts (Non-Adjustable) Type: Stud 55 660 Type: 25 300 Type: 15 180 Type: 15 180 Type: Bolt Head: Hexagon Timing Chain/Belt Cover To Engine Block 15 180

What are the torque specs for M11 cylinder heads?

Tighten the M11 cylinder head bolts (1-10) a final pass to 70 degrees using J 45059. Tighten the M8 cylinder head bolts (11-15) to 30 N.m (22 lb ft). Begin with the center bolt (11) and alternating side-to-side, work outward tightening all of the bolts.

How do you tighten a cylinder head on a GMC Truck?

Tighten the M11 cylinder head bolts (1-8) to 90 10) to 50 degrees a final pass in sequence. 10.4. Tighten the M8 cylinder head bolts (11-15) to 30 N.m (22 lb ft). Begin with the center bolt (11) and all of the bolts.

How big is the crankshaft in a 6-1 engine?

Crankshaft Rear Flange Runout 0.05 mm 0.002 in Crankshaft Reluctor Ring Runout – Measured 1.0 mm (0.04 in) Below Tooth Diameter 0.7 mm 0.028 in Crankshaft Thrust Surface – Production 26.14–26.22 mm 1.029–1.0315 in Crankshaft Thrust Surface – Service 26.22 mm 1.0315 in Crankshaft Thrust Surface Runout 0.025 mm 0.001 in Cylinder Head

How to tighten the head bolts on a Chevy 1500?

Tighten the cylinder head bolts to 50 N·m (37 lb ft) in sequence. Use a torque angle meter to rotate each cylinder head bolt 120 degrees in sequence. Use a torque angle meter to rotate the four center cylinder head bolts an additional 30 degrees in sequence… I hope this helps.

What are the torque specs for a 5.3L V8?

Need in Detail on the Torque Specs for a 5.3l Head torque specs? Need in detail on the torque specs for a 5.3l v8 with fuel saver heads. have the same problem? I attached the sequence and the torque spec for installing the head. Make sure you use only new bolts. These are TTY or torque to yield bolts. helpful?

How much torque does a Pontiac torkspec have?

54.23 Type: Bolt 55 660 74.57 Type: Bolt 43 516 58.3 Pontiac – Connecting Rod Nut Type: Bolt 100 1200 135.58 Pontiac – Main Bearing Caps – EXCEPT Rear Main Type: Bolt 120 1440 162.7 Type: Bolt 100 1200 135.58 Type: Bolt 95 1140 128.8 Pontiac – EXCEPT 4 End Bolts Type: Bolt 22 264 29.83 Type: Bolt Exhaust Manifold To Cylinder Head 40 480 54.23

How much torque does a Silverado Sierra have?

4L60-E Transmission Torque Specs Accumulator Cover to Case Bolt 6-10 lb ft Case Extension to Case Bolt 31-35 lb ft Case Extension to Case Bolt (4WD Shipping) 8.3-16.7 lb ft Converter Cover Bolt 89 lb in Converter Housing to Case Screw 48-55 lb ft Cooler Pipe Connector 26-30 lb ft Detent Spring to Valve Body Bolt 15-20 lb ft

How much torque does a SAE grade 2 Bolt have?

SAE Grade 2 Tightening Torque (ft lbs) Tightening Torque (ft lbs) Tightening Torque (ft lbs) Tightening Torque (ft lbs) Bolt Size TPI Proof Load (lbs) Clamp Load (lbs) Galv 1/4″ 20 1.750 1.313 7 5/16″ 18 2,900 2,175 14 3/8″ 16 4,250 3,188 25

What are the specs for head bolts on YouTube?

– YouTube Head bolt torque specs and pattern. If playback doesn’t begin shortly, try restarting your device. Videos you watch may be added to the TV’s watch history and influence TV recommendations. To avoid this, cancel and sign in to YouTube on your computer.

What kind of engine does a Volkswagen Rabbit have?

In the 1.5l engine and the early model 1.6l block. I mentioned earlier that diesel engines run on high compression that can top and bottom of the engine together. A 1.5l has a bad tendency if it overheats replacement. The later 1.6l diesel had a 12mm head bolt that was capable of much significantly.

What are the torque specifications for a VW Beetle?

TRANSAXLE-SIDE CV JOINT-TO-TRANSAXLE BOLT 33 (45) TRANSVERSE LINK NUT 148 (201) WHEEL LUG NUT 1978-72 87 (118)

What should the torque be on a cylinder head bolt?

The manufacturer usually stipulates that you must tighten the bolts in incremental steps. For example, suppose the final torque on a bolt is 40 foot-lbs. The manufacturer may state to bring all the bolts to 10 foot-lbs. first, following the torque sequence. In the second step, bring the torque to 20 foot-lbs.

How much torque does a Volkswagen Eurovan have?

Volkswagen torque specifications TORQUE SPECIFICATIONS VOLKSWAGEN APPLICATION FT-LBS (N-m) AXLE SHAFT BOLT (EUROVAN) 195 (265) AXLE SPINDLE NUT

How much torque does a Mack E7 engine have?

Mack E7 engine Main Bearing Bolt torque 115-125 lb.ft, 156-170 Nm Mack E7 engine, Cylinder Head Bolt torque Step 1 = 90 lb.ft, 122 Nm

What’s the torque sequence on a Chevy 350?

The head bolt tightening sequence is: B3-A3-C5-C4-A2-B4-C6-C3-B2-A4-C7-C2-A1-B5-C8-C1-B1. All 1995 and earlier LT-series engines use the same head bolt torque (65 ft.-lb.) and tightening sequence as the original small block. GM switched to torque-to-yield (TTY) bolts in 1996, which require a slightly different approach.

What’s the torque of the head bolt on a 1995 Chevy?

All 1995 and earlier LT-series engines use the same head bolt torque (65 ft.-lb.) and tightening sequence as the original small block. GM switched to torque-to-yield (TTY) bolts in 1996, which require a slightly different approach.

What are the torque specs for a Chevy big block?

Bolt Torque Spec Chart for Chevy Big Block Chevy Fastener Type Torque Specs Main cap bolt, 396-427 2-bolt 95 ft.-lbs. Main cap bolt, 396-454 4-bolt (inner/outer) 110 ft.-lbs. 3/8 in. connecting rod bolt 50 ft.-lbs. 7/16 in. connecting rod bolt 67-73 ft.-lbs. Cylinder head bolts, long 75 ft.-lbs. Cylinder head bolts, short 65-68 ft.-lbs.

How do you Torque a Toyota 2.7 head?

Coat the threads of the bolts with motor oil. Finger tighten the bolts. Use the torque wrench to tighten the bolts to 29 foot-pounds, starting with the inner bolts and working outwards. Tighten the bolts in the same sequence another 90 degrees. Do the same procedure again.

What’s the torque angle on a Honda Civic?

This is called torque-to-yield, where you tighten a bolt to a certain point and then it further. This stretches the bolt and helps create a long-lasting clamping force. You may want to use a torque angle gauge to make sure you’re not over tightening. Can torque specs vary? Yes. In fact, several factors affect torque specs.

When to use new bolts on Honda Civic?

Manufacturers design bolts and screws to “stretch” when they’re install. That way, the bolt and screw threads firmly attach to the matching threaded hole or nut. This lowers or outright eliminates the risk that the bolt or screw will work itself loose. For the same reason it’s always a good idea to use new bolts when working on the engine.

What causes torque wrench to snap on Honda Civic?

Typically, you can feel it in your torque wrench if you’ve overtightened or stretched a bolt too far. An overtightened bolt will suddenly takes less effort to turn the bolt. When this happens, the head can often snap off, which means deal with an extremely tight bolt that can’t simply be unscrewed.

How do you tighten a Honda Civic cylinder head?

Tighten the cylinder head bolts to their final torque specification in two steps. Use a crisscross sequence starting with the bolts at the middle of the head and working toward the outer bolts. Step 1: Tighten each bolt to 22 ft. lbs. (30 Nm).

Why do I have torque on my Honda Civic?

An easy way to do accidental damage is to over torque or under torque bolts and screws. Manufacturers design bolts and screws to “stretch” when they’re install. That way, the bolt and screw threads firmly attach to the matching threaded hole or nut.

How much torque does a Harley Davidson cylinder head have?

Technical information on the installation of cylinder heads for Harley-Davidson motorcycles. For each cylinder head, start with head bolt numbered one. In increasing number sequence (1-2-3-4), tighten the head bolt in three stages. 1. Tighten each bolt to 7-9 foot pounds of torque. 2, Tighten each bolt to 12-14 foot pounds of torque. 3.

How to calculate torque on small block Chevy?

Step 3 65 Ft/Lbs For Head Studs or aftermarket bolts CHECK YOUR INSTRUCTIONS, SBC studs are available in a ton of different styles depending on heads and stud diameters. Some People do only 1 or 2 steps to reach the final torque. I think it’s always better to break it up if you can.

How much torque does a big block head have?

Big Block Chevy Head Bolt Torque Specifications Long Head Bolts 75 – 80 Ft/Lbs Short Head Bolts 65 – 68 Ft/Lbs I would also add make sure you torque the bolts in steps. Do a first round hand tight, second round at 50% torque (OK, let’s just say 35 Ft/Lbs) then final round at specs.

What are the torque specs for a hemi engine?

Following the bolt pattern in the image above, you need to three-step your head bolts to a final torque of 105 lb-ft with 318 and 360 engines. Hemi engines are quite different. Mopar still specifies a three-step torqueing process, but they specify what torque to use at each step, plus they break it down by what head bolts are used.

What are the head bolts for an M11?

Tighten the M11 cylinder head bolts (1-10) a second pass in sequence to 90 degrees using J 45059. Tighten the M11 cylinder head bolts (1-10) a final pass to 70 degrees using J 45059.

What is the torque for the head bolt?

The medium-head bolts need 22 foot-pounds of torque and a 65-degree rotation. The long cylinder head bolts required 22 foot-pounds of torque and a 75-degree rotation.

What are the torque settings for head bolts?

SOURCE: head bolts torque settings According to my haynes manual for G-S reg, 1989-1998 it goes as follows, Stage 1:- Tighten all bolts by hand until bolt heads just contact cyl. head. Stage 2:-Tighten all bolts to 40Nm or 30lb ft. Stage 3:-Angle tighten all bolts a further 60 degrees. Stage 4:-Angle tighten all bolts again a further 60 degrees.

What is head bolt torque spec?

Torque, as a specification for head bolts, refers to the amount of rotational force required to tighten the bolts properly . Torque is measured in foot-pounds. Manufacturers provide torque specifications to guide mechanics in properly tightening the bolts connecting the cylinder heads to the main engine.

What does “torque to yield bolt” mean?

A torque to yield fastener (TTY) or stretch bolt is a fastener which is torqued beyond the state of elasticity and therefore undergoes plastic deformation, causing it to become permanently elongated. Fastener. Jul 10 2019

What kind of head bolts does a Subaru 2.5L use?

The Subaru 2.5L engine is made from aluminum alloy. In order for the heads to properly seal and to prevent warping, a special sequence must be followed when installing the head bolts. Not only is the tightening method critical, so is the order. You will need both inch and foot pound torque wrenches as well as a torque angle gauge.

Which is the correct order for head bolt tightening?

The Tightening Sequence. The order for tightening is as follows: top center, bottom center, left top, bottom right, bottom left, top right. Follow this sequence for each step.

Tighten the M11 cylinder head bolts (1-10) a second pass in sequence to 90 degrees using J 45059. Tighten the M11 cylinder head bolts (1-10) a final pass to 70 degrees using J 45059.

What are the torque specifications for a Sierra Silverado?

Access our Sierra, Silverado 2006-2007 Torque Specifications Repair Guide Main Bearing Torque Sequence by creating an account or signing into your AutoZone Rewards account. Once you sign in, follow these instructions to access our Repair Guides.

How much torque does a 40 480 GM V8 have?

40 480 54.23 Type: Bolt 55 660 74.57 Type: Bolt 43 516 58.3 Pontiac – Connecting Rod Nut Type: Bolt 100 1200 135.58 Pontiac – Main Bearing Caps – EXCEPT Rear Main Type: Bolt 120 1440 162.7 Type: Bolt 100 1200 135.58 Type: Bolt 95 1140 128.8 Pontiac – EXCEPT 4 End Bolts Type: Bolt 22 264 29.83 Type: Bolt Exhaust Manifold To Cylinder Head 40 480

When to use new head and intake bolts?

*** CAUTION *** engine uses Torque To Yield head bolts (TTY) that permanently stretch during the initial installation. New head bolts must be used when cylinder head is replaced or re-installed to obtain proper torque.

How do you tighten a M8 cylinder head?

Tighten the M8 cylinder head bolts (11-15) to 30 N.m (22 lb ft). Begin with the center bolt (11) and alternating side-to-side, work outward tightening all of the bolts. Use an accurate torque wrench, a good torque-angle meter and new cylinder head bolts. helpful? On my head I have fifteen bolts. Five of which are m8 and m10 that are m11.

What are the torque specifications of a Ford 5.4L V8?

Type: Bolt Engine Mount To Engine Block 45 540 61.01 Modular OHC – Engine Mount to Engine Block Bolts Type: Bolt Head: Hexagon 45 540 61.01 Modular OHC – Engine Mount Thru Bolts Type: Bolt Exhaust Manifold To Cylinder Head 18 216 24.4 Modular OHC – Exhaust Manifold NUTS Type: Exhaust Manifold To Cylinder Head 9 108 12.2

What are the torque specifications for a Mazda 2.0l-122ci?

180 20.34 FS – Main Bearing Cap Bolts – 2 Step: 15FtLbs; +90deg Type: Bolt 15 180 20.34 FS – Cylinder Head – 3 Step: 15FtLbs; +90deg; +90deg Type: Bolt 27 324 36.61 Type: Bolt 16 192 21.69 FS – Lower Block Reinforcement Bolts Type: Bolt Engine Mount To Engine Block 60 720 81.35 FS – Front/Back/Left Mount to Engine Type: Bolt

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