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02-21-07, 07:12 PM
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#1 (permalink)
| | Forum Regular
Join Date: Apr 2003 Location: Washington DC
Posts: 176
| remove exhaust and intake manifold
Hello all,
I am finally finding time to push forward with replacing my exhaust. I am removing the manifolds to have them milled, as well as to gain access to a sheared off exhaust pipe stud.
That being said, I have removed the carb, EGR and Gulp valve. I have also removed the 4 nuts that hold the manifolds on to the block. In the picture I have circled two of them.
Should this thing pull right off? I don't know how long it has been since it was last off the block, but I am having trouble getting it off and have only used a rubber mallet to whack it a few times to try and free it up. No luck.
any suggestions? I am so close to getting this thing off and being able to drive this rig!
__________________
Chaka
1974 fj40
Washington DC
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02-21-07, 07:19 PM
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#2 (permalink)
| | Forum Lifer
Join Date: Jan 2003 Location: Kansastitty
Posts: 7,353
| How many nuts/fasteners have you removed? I count 8 if you include the bolts on the ends.
Ed
__________________ My Anger-Management Class really pisses me off
'66FJ40, Fresh 2F, H42/Orion(By Poser... LCR4WD), ARB Front/rear(By Poser... LCR4WD), MetalTech Cage installed by Poser, Screw-ups fixed(by Poser) 4WDB Corvette Master, Mini Truck PS, 3.5" Lift, Warn 8274, 33s on stockers, WhiteKnuckle sliders  | |
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02-21-07, 07:26 PM
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#3 (permalink)
| | Forum Regular
Join Date: Apr 2003 Location: Washington DC
Posts: 176
| so is it safe to assume there are 4 above and 2 at the end and 2 below? I think my ends aren't there...so that may leave 2 more below... any tricks to getting to these?
__________________
Chaka
1974 fj40
Washington DC
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02-21-07, 07:47 PM
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#4 (permalink)
| | Forum Lifer
Join Date: Jan 2003 Location: Kansastitty
Posts: 7,353
| Socket and extension. I run a header, but in my case I put the socket on the nut then attach the extension and ratchet. The socket will not fit between the intake and the header.......IIRC. The ends are used with a header and certain manifolds, but many exhaust manifolds do not have a provision for fasteners at the ends, maybe just later ones?
Ed
__________________ My Anger-Management Class really pisses me off
'66FJ40, Fresh 2F, H42/Orion(By Poser... LCR4WD), ARB Front/rear(By Poser... LCR4WD), MetalTech Cage installed by Poser, Screw-ups fixed(by Poser) 4WDB Corvette Master, Mini Truck PS, 3.5" Lift, Warn 8274, 33s on stockers, WhiteKnuckle sliders | |
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02-21-07, 11:20 PM
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#5 (permalink)
| | Site Addict
Join Date: Feb 2004 Location: Tampa
Posts: 1,030
| Quote:
Originally Posted by Degnol  How many nuts/fasteners have you removed? I count 8 if you include the bolts on the ends.
Ed | Showoff. . . .
That thing running yet?  | |
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02-22-07, 07:37 AM
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#6 (permalink)
| | Forum Lifer
Join Date: Jan 2003 Location: Kansastitty
Posts: 7,353
| Quote:
Originally Posted by Nomis Showoff. . . .
That thing running yet? | Yup. Old, often-posted pic. But it does show the studs nicely 
Ed
__________________ My Anger-Management Class really pisses me off
'66FJ40, Fresh 2F, H42/Orion(By Poser... LCR4WD), ARB Front/rear(By Poser... LCR4WD), MetalTech Cage installed by Poser, Screw-ups fixed(by Poser) 4WDB Corvette Master, Mini Truck PS, 3.5" Lift, Warn 8274, 33s on stockers, WhiteKnuckle sliders | |
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02-22-07, 07:50 AM
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#7 (permalink)
| | Forum Lifer
Join Date: Jan 2003 Location: McCall, ID
Posts: 6,740
| Ed's a studly kinda guy.
Likes to show his studs.
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9/70 FJ40
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4/84 Toy 4x4 Mini PU
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We see things as we are. --Talmud
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02-22-07, 07:58 AM
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#8 (permalink)
| | Forum Lifer
Join Date: Jan 2003 Location: Kansastitty
Posts: 7,353
| Quote:
Originally Posted by IDave Ed's a studly kinda guy.
Likes to show his studs. |
I offer to show my studs all the time, but the number of takers is dwindling 
ed
__________________ My Anger-Management Class really pisses me off
'66FJ40, Fresh 2F, H42/Orion(By Poser... LCR4WD), ARB Front/rear(By Poser... LCR4WD), MetalTech Cage installed by Poser, Screw-ups fixed(by Poser) 4WDB Corvette Master, Mini Truck PS, 3.5" Lift, Warn 8274, 33s on stockers, WhiteKnuckle sliders | |
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02-22-07, 12:35 PM
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#9 (permalink)
| | Forum Regular
Join Date: Apr 2003 Location: Washington DC
Posts: 176
| Ok. So thanks to the studly diagram I have removed the 2 remaining nuts underneath the intake manifold. Now I was trying to get the manifold assembly off, but I have one final pipe running from the cooler to the intake. Anyone know what size the connection is? seems to be bigger then anything i've got other than channel locks, and I don't want to strip it.
it is #2, #27 on this page, and mine is assembled the way the inset is next to the pipe diagram (2 ends both screw in instead of connecting via a flange of sorts. http://www.sor.com/sor/cat047.tam?xa...x=cat047%2Etam
so can anyone advise?
__________________
Chaka
1974 fj40
Washington DC
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02-22-07, 02:08 PM
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#10 (permalink)
| | Forum Lifer
Join Date: Apr 2006 Location: Morgan Hill, CA
Posts: 3,436
| Quote:
Originally Posted by chaka it is #2, #27 on this page, | Pull off the whole EGR assembly by disconnecting 10, 12 and the whole #7.  | |
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02-22-07, 02:26 PM
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#11 (permalink)
| | Forum Regular
Join Date: Apr 2003 Location: Washington DC
Posts: 176
| Fast Eddy,
My assembly doesn't have a #12. it has another 27 on the veritcal connection... i was curious if anyone knew the size of it... or if the manifolds could comea part with it still attached?
__________________
Chaka
1974 fj40
Washington DC
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02-25-07, 12:12 PM
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#12 (permalink)
| | Site Addict
Join Date: Apr 2003 Location: Great Falls Virginia
Posts: 1,117
| Try an impact "wobble" socket.
1/2 inch snap on version will run you about 45 bucks and is a pleasure to use even if you don't have an impact gun (yet). Matco is cheaper but Snap-On is better (I have both).
-Stumbaugh | |
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02-25-07, 02:44 PM
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#13 (permalink)
| | Forum Lifer
Join Date: Feb 2002 Location: OC, CA
Posts: 6,861
| Just remove the bolts holding the EGR cooler to the block and remove the entire manifold assembly as a unit. If you need to fool with the EGR plumbing, you can do it with the manifold out so that you have room to work on it. | |
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02-25-07, 03:10 PM
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#14 (permalink)
| | 250+ Club
Join Date: Jun 2004 Location: high desert, ca
Posts: 934
| 1974 had a different attachment to the exhaust manifold than depicted in the SOR diagram. I think it is a 23mm nut or something. At the least, use a large crescent wrench.
Take a ruler and measure it, most cruiser bolts/nuts in that range varied by 2mm increments.
Do you really need an EGR? | |
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02-25-07, 03:11 PM
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#15 (permalink)
| | 250+ Club
Join Date: Jun 2006 Location: Auburn, AL
Posts: 330
| I'm getting ready to stick my intake manifold and new MAF headers on. Exclusive of the two end bolts I think originally there were only 2 studs and the remaining 4 were bolts. I like studs better - any reason not to use studs on all 6 ? | |
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02-25-07, 04:08 PM
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#16 (permalink)
| | Site Addict
Join Date: Apr 2004 Location: san pancho, ca
Posts: 1,476
| I'm using studs, they are still available from toyota for a few bucks a peace... 
__________________ 1972 FJ40
2F, sm465, Detroit-R/Aussie-F w/4.56, Longfield SS, SUA - Rear FJ55 lift-springs x4, Disc Brakes, 315/75R16 KM2, 96" WB Help the Honey Bees | |
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Degnol
