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torque for oil drain plug?

This is a discussion on torque for oil drain plug? within the LT1 forums, part of the Vehicle Specific category; gunna do a an oil change cant find my paper... i know the filter is 15ftlbs but what is the ...

  1. #1

    torque for oil drain plug?

    gunna do a an oil change cant find my paper... i know the filter is 15ftlbs but what is the drain plug spec? all i could find is that its 15mm...nothin about torque

  2. #2
    Veteran Hi-Po's Avatar
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    I have never, never torqued a drain plug in my life. Or a oil filter. I have done 1000's of oil changes on Cat equipment and never even heard of a spec.

    Drain plug - tighten untill snug.... then just a 'little' extra. Drain plugs require very little. It just needs to be tight. No rocket science.

    Oil filters. Cat actually has directions. No TQ number. Turn into snug, then 3/4 more turn. Thats it.

    Basically, just tighten them. German torque.

    Goodntight

  3. #3
    err appreciate the info but anyone have an answer to the question?

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    Quote Originally Posted by grandkodiak View Post
    err appreciate the info but anyone have an answer to the question?
    Ok A quick google search came up with some numbers.


    Drain plug - 18 lb ft

    Oil filter - 22 lb ft

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    and these....



    Accelerator Control Cable Bracket Bolts............................................. .....89 lb in
    Air Conditioning Compressor Bolts............................................. .............37 lb ft
    Air Conditioning Compressor Bracket Bolts............................................. .37 lb ft
    Air Conditioning Idler Pulley Bolt.............................................. ...............37 lb ft
    Air Conditioning Tensioner Bolt.............................................. .................18 lb ft
    Air Injection Reaction (AIR) Pipe-to-Exhaust Manifold Bolts........................15 lb ft
    Camshaft Retainer Bolts............................................. ............................18 lb ft
    Camshaft Sensor Bolt.............................................. ...............................18 lb ft
    Camshaft Sprocket Bolts............................................. ...........................26 lb ft
    Catalytic Converter Nut............................................... ...........................18 lb ft
    Connecting Rod Bolts - First Design (First Pass)........................................15 lb ft
    Connecting Rod Bolts - First Design (Final Pass)........................................60 degrees
    Connecting Rod Bolts - Second Design (First Pass)....................................15 lb ft
    Connecting Rod Bolts - Second Design (Final Pass)...................................75 degrees
    Coolant Temperature Gauge Sensor............................................ ............15 lb ft
    Crankshaft Balancer Bolt (Installation Pass-to Ensure the Balancer is Completely Installed)........240 lb ft
    Crankshaft Balancer Bolt (First Pass-Install a NEW Bolt After the Installation Pass and Tighten as described in the First and Final Passes)........................................... .........37 lb ft
    Crankshaft Balancer Bolt (Final Pass)............................................. ..........140 degrees
    Crankshaft Bearing Cap Bolts (Inner Bolts-First Pass in Sequence).............15 lb ft
    Crankshaft Bearing Cap Bolts (Inner Bolts-Final Pass in Sequence).............80 degrees
    Crankshaft Bearing Cap Side Bolts............................................. ..............18 lb ft
    Crankshaft Bearing Cap Studs (Outer Studs-First Pass in Sequence)...........15 lb ft
    Crankshaft Bearing Cap Studs (Outer Studs-Final Pass in Sequence)...........53 degrees
    Crankshaft Oil Deflector Nuts.............................................. .....................18 lb ft
    Crankshaft Position Sensor Bolt.............................................. ..................18 lb ft


    ~~~~~~~~~~Cylinder Heads~~~~~~~~~~
    Cylinder Head Bolts (First Pass all M11 Bolts in Sequence)...........................22 lb ft
    Cylinder Head Bolts (Second Pass all M11 Bolts in Sequence)......................90 degrees
    Cylinder Head Bolts (Final Pass all M11 Bolts in Sequence-Excluding the Medium Length Bolts at the Front and Rear of Each Cylinder Head)............................................. ...............................90 degrees
    Cylinder Head Bolts (Final Pass M11 Medium Length Bolts at the Front and Rear of Each Cylinder Head in Sequence)......................................... .................................................5 0 degrees
    Cylinder Head Bolts (M8 Inner Bolts in Sequence).....................................22 lb ft
    Cylinder Head Coolant Plug.............................................. .......................15 lb ft
    Cylinder Head Core Hole Plug.............................................. ....................15 lb ft
    Drive Belt Idler Pulley Bolt.............................................. .........................37 lb ft
    Drive Belt Tensioner Bolts............................................. ...........................37 lb ft
    Engine Block Coolant Drain Plugs............................................. .................44 lb ft
    Engine Block Heater............................................ .....................................30 lb ft
    Engine Block Oil Gallery Plugs............................................. ......................44 lb ft
    Engine Coolant Air Bleed Pipe Bolts and Studs............................................1 06 lb in
    Engine Crossmember Bolts (Large)........................................... .................107 lb ft
    Engine Crossmember Bolts (Small)........................................... .................92 lb ft
    Engine Flywheel Bolts (First Pass)............................................. ..................15 lb ft
    Engine Flywheel Bolts (Second Pass)............................................. .............37 lb ft
    Engine Flywheel Bolts (Final Pass)............................................. .................74 lb ft
    Engine Flywheel-to-Torque Converter Bolts............................................. ....44 lb ft
    Engine Front Cover Bolts............................................. ..............................18 lb ft
    Engine Mount Heat Shield Nuts.............................................. .....................89 lb in
    Engine Mount Stud-to-Engine Block............................................. ................37 lb ft
    Engine Mount Through Bolts............................................. ..........................70 lb ft
    Engine Mount Through Bolt Nuts.............................................. ...................59 lb ft
    Engine Mount-to-Engine Block Bolts............................................. ...............37 lb ft
    Engine Rear Cover Bolts............................................. ..............................18 lb ft
    Engine Service Lift Bracket M10 Bolts............................................. ............37 lb ft
    Engine Service Lift Bracket M8 Bolt.............................................. ...............18 lb ft
    Engine Valley Cover Bolts............................................. .............................18 lb ft
    Engine Wire Harness Clip Bolt.............................................. ......................37 lb ft
    Engine Wire Harness Ground Strap Bolt.............................................. ........37 lb ft
    Exhaust Gas Recirculation (EGR) Valve Bolts (First Pass)..............................89 lb in
    EGR Valve Bolts (Final Pass)............................................. .........................22 lb ft
    EGR Valve Pipe-to-Cylinder Head Bolts............................................. ..........37 lb ft
    EGR Valve Pipe-to-Exhaust Manifold Bolts............................................. ......22 lb ft
    EGR Valve Pipe-to-Intake Manifold Bolt.............................................. .........89 lb in
    Exhaust Manifold Bolts (First Pass)............................................. .................11 lb ft
    Exhaust Manifold Bolts (Final Pass)............................................. ................18 lb ft
    Exhaust Manifold Heat Shield Bolts............................................. .................80 lb in
    Exhaust Manifold Pipe Nuts.............................................. ...........................26 lb ft
    Front Shock-to-Engine Crossmember Bolts............................................. .....48 lb ft
    Fuel Injection Fuel Rail Bolts............................................. ..........................89 lb in
    Generator Bracket Bolts............................................. ...............................37 lb ft
    Generator Rear Bracket-to-Engine Block Bolt.............................................. .18 lb ft
    Generator Rear Bracket-to-Generator Bolt.............................................. .....18 lb ft
    Ground Strap Bolt (at Rear of Cylinder Head)............................................. ..37 lb ft
    Ignition Coil-to-Bracket Bolts............................................. .........................106 lb in
    Ignition Coil Bracket-to-Valve Rocker Arm Cover Bolts.................................106 lb in
    Intake Manifold Bolts (First Pass in Sequence)......................................... .....44 lb in
    Intake Manifold Bolts (Final Pass in Sequence)......................................... ....89 lb in
    Knock Sensors........................................... ...............................................15 lb ft
    Oil Filter............................................ .................................................2 2 lb ft
    Oil Filter Fitting........................................... ...............................................40 lb ft
    Oil Level Indicator Tube Bolt.............................................. ........................18 lb ft
    Oil Level Sensor............................................ ...........................................115 lb in
    Oil Pan Baffle Bolts............................................. ......................................106 lb in
    Oil Pan Closeout Cover Bolt (Left Side)............................................. ..........106 lb in
    Oil Pan Closeout Cover Bolt (Right Side)............................................. ........106 lb in
    Oil Pan Cover Bolts............................................. ......................................106 lb in
    Oil Pan Drain Plug.............................................. .......................................18 lb ft

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    Oil Pan M8 Bolts (Oil Pan-to-Engine Block and Oil Pan-to-Front Cover)...........18 lb ft
    Oil Pan M6 Bolts (Oil Pan-to-Rear Cover)............................................ ........106 lb in
    Oil Pressure Sensor............................................ ......................................15 lb ft
    Oil Pump-to-Engine Block Bolts............................................. .....................18 lb ft
    Oil Pump Cover Bolts............................................. ...................................106 lb in
    Oil Pump Relief Valve Plug.............................................. ...........................106 lb in
    Oil Pump Screen Nuts.............................................. ..................................18 lb ft
    Oil Pump Screen-to-Oil Pump Bolt.............................................. .................106 lb in
    Oxygen Sensor............................................ .............................................31 lb ft
    Positive Crankcase Ventilation (PCV) System Strap Nut (at Right Front Vapor Vent Pipe Stud)......106 lb in
    Power Steering Pump Bolts............................................. ...........................18 lb ft
    Power Steering Pump Bracket Bolts............................................. ...............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
    Water Pump Bolts (First Pass)............................................. .......................11 lb ft
    Water Pump Bolts (Final Pass)............................................. .......................22 lb ft
    Water Pump Cover Bolts............................................. ...............................11 lb ft

  7. #7
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    err , ok?

    Edit, I should mention, these are for a LS1. My bad, Im sorry. If you go to those two numbers, Im sure you will be fine.

    But, I also had quite a few google searchs come up with.... I shit you not...


    Goodentite.
    Last edited by Hi-Po; 07-01-2009 at 02:41 PM.

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    Senior Member 5.0THIS's Avatar
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    Quote Originally Posted by Hi-Po View Post
    err , ok?

    Edit, I should mention, these are for a LS1. My bad, Im sorry. If you go to those two numbers, Im sure you will be fine.

    But, I also had quite a few google searchs come up with.... I shit you not...


    Goodentite.
    Actually the LS1 has an aluminum pan, so the spec may actually be different for the LT1. Honestly though, like was said above, I've never used a spec in my life, and been fine so far. Talk about your less important torque specs

  9. #9
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    This thread alone started me thinking about how many drain plugs I have tightened in my last 4 years of living. Never knew anyone ever wanted an answer to such a TQ spec question really. I bet my bottom dollar I was gonna spend on my TA that I have "TQ'd" over a 1500 drain plugs in the last 3-4 years, at least!! Thats the lowest ballpark figure I could come up with. And never even think about TQ'ing them.

    Seriously, just tighten them. Your putting too much thought into it.

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    Quote Originally Posted by grandkodiak View Post
    gunna do a an oil change cant find my paper... i know the filter is 15ftlbs but what is the drain plug spec? all i could find is that its 15mm...nothin about torque
    I work in the automotive feild. TQ for the drain plug is 18 depending on the motor size. Believe it or not v6 is TQ higher. One of the biggest claims at oil change services is over tourquing the drain plug. The worst that can happen it a stripped plug or oil pan. The oil filter states on the filter itself how to TQ it.

  11. #11
    after finding 4 different suggestions online i found it in a lt1 rebuild book pdf copy... thanks all for the input.

    yea im anal... but the point is to know for sure... to say ls1 is close enough or whatever is to guestimate... might as well not use it at all at that rate.

    aircraft spec people... think engineer not mechanic.

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    LSX whore allbaugh_04's Avatar
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    I agree Hi-Po, just snug and then a bit more...never torqued down an oil drain plug or filter...

    Ha ha, i can't imagine how much time i'd waste torquing down every bolt. The only bolts I've torqued and checked were my converter bolts.

  13. #13
    anything worth doing is worth doing to torque spec. lol

    my torque wrench actually is the only tool I have that ratchets anywho... might as well use it. the extra second to set it... well, i have plenty time to spare.

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    Senior Member 5.0THIS's Avatar
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    Quote Originally Posted by grandkodiak View Post
    aircraft spec people... think engineer not mechanic.

    If you overtighten your drain plug, your car wont plunge out of the sky and kill 150 people. Being an aviation mechanic is apples to oranges with an automotive tech. Besides, it's just a feel thing, if you cant feel it, then use the torque wrench, no problem with that. Those of us that have done this for a living just get the feel for certain things that arent that sensitive to a specific specification. Then there are bolts (mostly on engines and other driveline parts) that it most certainly is worth the time to torque to a spec and evenly across many bolts.

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    Member zmg00camaross's Avatar
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    I fix what the engineers mess up. If you work on cars/trucks you are a engineer. Have you work on a 6.0 powerstroke. Some design are plum ass retarded.

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    Quote Originally Posted by 5.0THIS View Post
    If you overtighten your drain plug, your car wont plunge out of the sky and kill 150 people. Being an aviation mechanic is apples to oranges with an automotive tech. Besides, it's just a feel thing, if you cant feel it, then use the torque wrench, no problem with that. Those of us that have done this for a living just get the feel for certain things that arent that sensitive to a specific specification. Then there are bolts (mostly on engines and other driveline parts) that it most certainly is worth the time to torque to a spec and evenly across many bolts.

    Weird, I am an a/c mechanic too, not every bolt on an a/c is to spec either. My car isn't an a/c, it doesn't need to be to spec and seems to be driving flawlessly with my custom torquing...

  17. #17
    Senior Member 5.0THIS's Avatar
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    Quote Originally Posted by zmg00camaross View Post
    I fix what the engineers mess up. If you work on cars/trucks you are a engineer. Have you work on a 6.0 powerstroke. Some design are plum ass retarded.

    I quit working for Ford before the 6.0 came out, but I havent really heard many good things about the 6.0...

  18. #18
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    Quote Originally Posted by grandkodiak View Post
    after finding 4 different suggestions online

    yea im anal... but the point is to know for sure... to say ls1 is close enough or whatever is to guestimate... might as well not use it at all at that rate.

    aircraft spec people... think engineer not mechanic.
    And whatr was your final TQ spec?


    Anal? Way beyond that IMO.


    Maybe too much engineer, and not enough mechanic?

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