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Slant six oil pan #732383
January 27th 2018 2:24 pm
January 27th 2018 2:24 pm
Joined: Mar 2012
Posts: 253
Haddonfield, NJ
pockets Offline OP
enthusiast
pockets  Offline OP
enthusiast
Joined: Mar 2012
Posts: 253
Haddonfield, NJ
So once the warmer weather comes back around, whenever that is, I'm going to have to put a new gasket on the slant six. Going to replace the leaky rear main seal as well. Question is can I get the pan off with out having to jack the engine up? I've hard it can be done but I may have to rotate the crank while doing it and that's fine by me, but I want to know if it's possible or not.

Re: Slant six oil pan [Re: pockets] #732390
January 27th 2018 8:17 pm
January 27th 2018 8:17 pm
Joined: Mar 2016
Posts: 309
Tucson,Az.
H
Hasan Ben Sobar Offline
enthusiast
Hasan Ben Sobar  Offline
enthusiast
H
Joined: Mar 2016
Posts: 309
Tucson,Az.
How do you know the rear main is leaking?


Tucson-it's a dry heat...like an oven
Re: Slant six oil pan [Re: pockets] #732427
January 27th 2018 11:55 pm
January 27th 2018 11:55 pm
Joined: Mar 2012
Posts: 253
Haddonfield, NJ
pockets Offline OP
enthusiast
pockets  Offline OP
enthusiast
Joined: Mar 2012
Posts: 253
Haddonfield, NJ
Let's just say you can tell where I've been parking lately. laugh The pan actually doesn't even have a gasket at the moment. The previous owners had a mechanic that did their work. I think he may have been a little cheap cause he only put silicon on and not a gasket. And sence I'm going to be in there I might as well change the main seal too. I had to put a gasket on the valve cover cause he did the same thing there. This is why I do my own work. There are good mechanics out there but finding them is getting harder. Plus the more you do yourself the more you learn.

Re: Slant six oil pan [Re: pockets] #732428
January 28th 2018 12:04 am
January 28th 2018 12:04 am
Joined: Aug 2001
Posts: 11,620
Fircrest, WA
Reed Offline
Maniac
Reed  Offline
Maniac
Joined: Aug 2001
Posts: 11,620
Fircrest, WA
In a van? No problem. You can even pull small block oil pans in a van without disturbing the motor mounts, provided you have true dual exhaust. I have done both in a van.

You may wish to give this article a read: http://www.slantsix.org/articles/gasket-sealing/oil-pan-seal.htm


Windows- they're what make a van worth owning!
Re: Slant six oil pan [Re: pockets] #732429
January 28th 2018 12:06 am
January 28th 2018 12:06 am
Joined: Mar 2016
Posts: 309
Tucson,Az.
H
Hasan Ben Sobar Offline
enthusiast
Hasan Ben Sobar  Offline
enthusiast
H
Joined: Mar 2016
Posts: 309
Tucson,Az.
Personally, I would douche off the pan and adjoining area real ,REAL good. They start the van and let it idle for 20 -30 minutes. Take a good up close look. If the pan is still dry , it's just the pan gasket. If it is wet, well , then the rear main is leaking. Don't jump to conclusions


Tucson-it's a dry heat...like an oven
Re: Slant six oil pan [Re: pockets] #732431
January 28th 2018 1:04 am
January 28th 2018 1:04 am
Joined: Mar 2012
Posts: 253
Haddonfield, NJ
pockets Offline OP
enthusiast
pockets  Offline OP
enthusiast
Joined: Mar 2012
Posts: 253
Haddonfield, NJ
Thanks for the info Reed. Hasan- I've actually been watching it leak for a while now. It wasn't too bad before, but now it's to the point where I have to do something about it. And I'm usually one of those that figures I'm here so might as well do this and that too while I'm here. This way I know it's done and one less thing to worry about. But I understand what you're saying.

Re: Slant six oil pan [Re: pockets] #732446
January 28th 2018 4:10 pm
January 28th 2018 4:10 pm
Joined: Nov 2013
Posts: 920
West Texas
W
Wedgy Offline
old hand
Wedgy  Offline
old hand
W
Joined: Nov 2013
Posts: 920
West Texas
Hey pockets,

Yeah, that's pretty bad mechanicing, not installing a valve cover gasket, let alone not installing a pan gasket. I'll bet you can tell where you park...

A failed siliconed diff cover seal sidelined one of my trips last year.
Factory installation. Again? IDFTS...

I reassembled it with a gasket and high quality Permatex. I doesn't leak.

Good wrenching on/under it! Ha!
Van On!

Re: Slant six oil pan [Re: pockets] #732467
January 29th 2018 9:40 am
January 29th 2018 9:40 am
Joined: Mar 2012
Posts: 253
Haddonfield, NJ
pockets Offline OP
enthusiast
pockets  Offline OP
enthusiast
Joined: Mar 2012
Posts: 253
Haddonfield, NJ
Thanks Wedgy. Ya I thought it was pretty cheep not using a gasket, especially because they are only a few bucks themselves. Should have seen my face when I pulled the valve cover off and no gasket, who does that. That's when I took a second look at the oil pan and bam, no gasket. I also found some loose pan bolts which slowed down the leak once I snugged them up. Gonna have to check the pan good for shape when I pull it off.

Re: Slant six oil pan [Re: pockets] #733912
March 11th 2018 9:17 am
March 11th 2018 9:17 am
Joined: Jan 2015
Posts: 6
Finland
K
KajS Offline
stranger
KajS  Offline
stranger
K
Joined: Jan 2015
Posts: 6
Finland
Hi pockets, have You done the seal/gasket job yet? If not, here some information . I did the rear main seal/oil pan gasket-job fall 2016. The reason was the Niagara of engine oil flowing from the back of the engine. Hence the slant six is in a van, the only thing is to jack the front end of the vehicle 4" higher, so You get enough clearance when reinstalling the oil pan.

The rear main seal is a piece of cake. Do not forget those little plastic tubes which center the lower support bracket. Follow the instructions and You are done in less than an hour. Apply Permatex (or similar) as said in the instructions, be careful with those small plastic/rubber pieces.

The oil pan seal was more P.I.T.A for me. The standard Fel-Pro version consists of 4 pieces: cork type sides and then those nearly good formed rubber end pieces.

The first fault i did was that i followed instructions from Haynes Repair Manual which gave a double torque (200 in.lbs) for the bolts. The gasket bulged out.

After a weeks thinking i read the gasket manufactuters instructions and found out that excessive torque was the cause. I consulted my son and he helped with the project. We used Plastic Padding Gasket and carefully placed the gasket parts on the pan and installed. The tightening went as follows (sorry: values in NewtonMeters): First round with 5 nm, then 6 nm, then 8 nm, then 10 nm. Last tightening 11 nm which was the torque value in the Fel-Pro-instructions. I let it rest overnight and re-Torqued the next Sunday with 11 nm. The ends were tight, the sides could be tightened very little. The Fel-Pro instructions say the tightening torque should be 100 in.lbs (which is equivalent to 11,29 nm).

After that procedure the slantvan does not mark parking areas that much and the oil consumption is much less.

Best Regards

KajS with '86 #slantvan

Finland, Europe

Last edited by KajS; March 11th 2018 1:17 pm.

"Hot funk, cool punk, even if it's old junk
It's still rock and roll to me"

Dodge Ram Van B250 Royal '86 w. SlantSix
Re: Slant six oil pan [Re: KajS] #734074
March 18th 2018 8:41 am
March 18th 2018 8:41 am
Joined: Mar 2012
Posts: 253
Haddonfield, NJ
pockets Offline OP
enthusiast
pockets  Offline OP
enthusiast
Joined: Mar 2012
Posts: 253
Haddonfield, NJ
Thanks for the tips on that. Especially because I am heading out to do the pan gasket in a few hours. It looks like a pretty straight forward job, hopefully. Just hope it stays warm enough through the day before it goes back to freezing tonight.


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