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Thread: Valve cover torque specs?

  1. #1
    Registered bigmackloud's Avatar
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    Valve cover torque specs?

    Hey,

    while i'm working on my water pump this weekend, i am also going to replace the valve cover gasket. i've searched the archieves but can't seem to find the answer. what should i torque the valve cover too on a 96' 4.0L?

    also, i read several different methods of sealing the gasket in the archieves.

    --some say to use the Permatex stuff on both sides of the gasket, other say just the cover side. does it matter?
    --some say to let it cure for 15 mins, other say let it cure for an hour. which is it?
    --some said to put the cover back on but only finger tight while the Permatex cures. othes say to let it cure, then put the cover on. which is it?

    just a little unclear on a couple of things. thought i'd try to get them cleared up before i start. i hate doing things twice.

    thanks,
    bigmac

    ------------------
    96' XJ Country
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  2. #2
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    Hey Bigmac,

    Lets see, when i did my gasket, i had used a cork gasket, man i cant remember what else we used, some kinda blue sealant (sp) stuff? wow! that helps alot dont it! well anyway, if ya can remove the old gasket, and if its stuck to the cover get a knife or a razor blade or somthing to remove the parts of the old gasket that stuck to the cover. then we just put the gasket on and tightened her up and let her sit for awhile. Did any of that make any sense? i hope i made dome sense! later man

    1989 Jeep Cherokee Laredo 2dr, 4x4 Rustys K&N Setup, Cd player and some other stuff..133thousand + miles, still running strong, ohh yead and some tiny street terrains!

  3. #3
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    haynes lists 2 numbers for torque:

    with rtv . . . . . . . . . .28 in-lbs
    with permanent gasket . . . 55 in-lbs

    note that it says INCH-lbs, NOT ft-lbs.

    the I6 has a pre-cured, reusable gasket. when i did mine, i put a small bead of rtv around the cover, next to the reusable gasket, let it dry for 24 hours, then put it back on. i didn't use a new gasket. people have had mixed results using only rtv like i did. i haven't noticed any leaks, though. the answers to your three questions, in my opinion, are, "it doesn't matter." do it whatever way you're most comfortable. if it leaks, try something else.

    ------------------
    '89 XJ Limited; Class III Rear Hitch; Cool-Taped Airbox; Bored Throttle Body; Mike Leach/Mopar Header; Carsound Cat; Rusty's Cat-Back w/ Flowmaster 50; Mopar Front, Transfer Case, & Gas Tank Skids; Rear Sway Bar Removed; Amsoil Fluids; Rusty's Motor Mounts
    '89 XJ Limited; Class III Rear Hitch; Cool-Taped Airbox; Bored Throttle Body; Mike Leach/Mopar Header; Carsound Cat; Rusty's Cat-Back w/ Flowmaster 50; Mopar Transfer Case & Gas Tank Skids; Rear Sway Bar Removed; Amsoil Fluids; Rusty's Motor & Tranny Mounts; Rusty's 3" Lift w/ Rear Spring Packs; Draw-Tite Front Receiver; Energy Suspension Bushings; Bosch Platinum +4 Spark Plugs

  4. #4
    Registered bigmackloud's Avatar
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    Hey,

    inch-lbs . . . how would that equate to ft-lbs? not sure my torque wrench measures inch-lbs, haven't really had a chance to play with it yet. or should i just make sure it's on there tight?

    didn't the type of gasket used change at some point? as in, didn't the older 4.0L's have a gasket that fit into a groove in the valve cover, while the newer ones just use a replacible gasket?

    thanks,
    bigmac

    ------------------
    96' XJ Country
    235/75 Grabber A/T tires
    Pioneer DEH-4100 cd player
    Kenwood 5.25" speakers
    4-Ton Hand Winch

    Pics Of My XJ
    '96 XJ Country - Flame Red
    4" Lift - 31" GY DuraTracs on 16" Rubicon wheels
    LockRight - Rear
    IDQ 10" in custom Vantage box
    US Acoustics 280w amp
    Rusty's K&N Intake & Transdapt TBS
    Banks Torque Tube Header
    Custom 2.5" Downpipe
    Catco "high-flow" converter
    Rusty's Flowmaster Cat-back

    '80 CJ5 - Black
    AMC 360 - Headers, TFI
    T18/D20 - D30 locked w/chromos - Ford 9" locked
    35x14.5 Boggers - 4.56 gears
    --Sold--

    2000 Mustang GT
    Heads/cams/blower = 613rwhp

  5. #5
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    12 inch pounds equals one foot pound. Divide in-lbs by 12 to get ft-lbs.

    [This message has been edited by fiatslug87 (edited 03-28-2002).]

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    <font face="Verdana, Arial" size="2">Originally posted by bigmackloud:
    didn't the type of gasket used change at some point? as in, didn't the older 4.0L's have a gasket that fit into a groove in the valve cover, while the newer ones just use a replacible gasket?
    </font>
    not sure about that

    ------------------
    '89 XJ Limited; Class III Rear Hitch; Cool-Taped Airbox; Bored Throttle Body; Mike Leach/Mopar Header; Carsound Cat; Rusty's Cat-Back w/ Flowmaster 50; Mopar Front, Transfer Case, & Gas Tank Skids; Rear Sway Bar Removed; Amsoil Fluids; Rusty's Motor Mounts
    '89 XJ Limited; Class III Rear Hitch; Cool-Taped Airbox; Bored Throttle Body; Mike Leach/Mopar Header; Carsound Cat; Rusty's Cat-Back w/ Flowmaster 50; Mopar Transfer Case & Gas Tank Skids; Rear Sway Bar Removed; Amsoil Fluids; Rusty's Motor & Tranny Mounts; Rusty's 3" Lift w/ Rear Spring Packs; Draw-Tite Front Receiver; Energy Suspension Bushings; Bosch Platinum +4 Spark Plugs

  7. #7
    Registered comanche freak's Avatar
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    Permatex black silicon works on any of the covers. Use a thick bead (about 3/8") and run it in a continous bead around the engine side. this keeps you from getting silicon on the valve mechanisms when you put on the cover. Let the silicon cure for 10-15 min until a skin has formed so it doesn't stick to your fingers when you touch it lightly. After you put it on torque the bolts lighlty about 15 inch/lbs. I haven't actually used a torque wrench for this mine doesn't go that low so I just snug them. retorque several times around the cover, then retorque again after 100 miles or so.HTH

    ------------------
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  8. #8
    Registered comanche freak's Avatar
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    oops I meant 30 in/lbs.
    Finally back on the road! '93 ZJ Laredo 4.0L w/NP 231 and 5 SPEED MANUAL TRANNY! K&N filter, insulated, modified air box/tube, Borla header, Vibrant ultra quiet resonator, Thrush turbo muffler, Bilstein HD shocks, integrated Hella 100FF driving lights, ARE outlaw II rims, Cooper Discovery S/T 235/75/15 , rusty's tow hooks, electric fan conversion, JKS disconnects, JKS rear adj track bar, 1" lift w stock springs, COMPLETE ABS delete, de-tapered throttle body, stainless ujointed steering shaft, heater core shutoff valve, Powerslot front rotors, lousy peeling original clear coat!

  9. #9
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    go easy on them they do break!be careful, why are you cleaning a valve cover on a 96, is it leaking?

    ------------------
    95 XJ,RE 5" lift,Bullbar with M8000,RS9000's,lockright,flowmaster,roof-rack,CB,skids,31's for now, and a bunch of other stuff
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  10. #10
    Registered bigmackloud's Avatar
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    Lightbulb

    Hey,

    yea, i'm getting the oil blow-by problem. i replaced the tubes and PCV valve a while back. stopped for a while, but now it's blowing around the valve cover. removing the valve cover doesn't look so hard so i figured i'd give it a good cleaning and a new gasket and hopefully that will solve that problem.

    thanks,
    bigmac

    ------------------
    96' XJ Country
    235/75 Grabber A/T tires
    Pioneer DEH-4100 cd player
    Kenwood 5.25" speakers
    4-Ton Hand Winch

    Pics Of My XJ
    '96 XJ Country - Flame Red
    4" Lift - 31" GY DuraTracs on 16" Rubicon wheels
    LockRight - Rear
    IDQ 10" in custom Vantage box
    US Acoustics 280w amp
    Rusty's K&N Intake & Transdapt TBS
    Banks Torque Tube Header
    Custom 2.5" Downpipe
    Catco "high-flow" converter
    Rusty's Flowmaster Cat-back

    '80 CJ5 - Black
    AMC 360 - Headers, TFI
    T18/D20 - D30 locked w/chromos - Ford 9" locked
    35x14.5 Boggers - 4.56 gears
    --Sold--

    2000 Mustang GT
    Heads/cams/blower = 613rwhp

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