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1998 Discovery - replace transmission gasket

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Old 02-19-2019, 10:56 AM
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Default 1998 Discovery - replace transmission gasket

Hello,

I've read posts on replacing the automatic transmission gasket and realize it is a wee bit challenging; therefore, i have a couple of questions.

How challenging is it to work on and remove using jack stands and a creeper? Obviously a vehicle lift would be ideal, but i do not have access to one. Any tips for doing this on your back?

I see some write-ups suggesting removal of the exhaust and cross member. Is this doable without removing the exhaust and just monkeying the cross member around to make room to Jenga the transmission pan out?

​​​​​Is the exhaust removal challenging or fairly straight forward? I assume the O2 sensors would be removed (lots of Deep Creep lubricant to loosen them) and would want to ensure i do not break the exhaust.

Obviously i would be replacing the transmission filter and gasket in doing this.

Thank you for sharing your input and your time. As always, it is appreciated.
 

Last edited by archaeology_student; 02-20-2019 at 10:29 AM.
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Old 02-19-2019, 11:33 AM
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Old 02-19-2019, 04:07 PM
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Originally Posted by WaltNYC
Hi WaltNYC

Thank you for your reply . I already looked at that write-up, however, i see that person has a car hoist.

I was curious if anyone had done it back yard mechanic style, without a hoist

Thanks

 
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Old 02-20-2019, 08:30 AM
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I haven't pulled the pan, but I've pulled the entire transmission out on my back under the car with it up on ramps and jack stands.

I put the front up on ramps, then the back was supported with jack-stands and some wooden blocks as an extra precaution.

Pulling the exhaust and cross-member is really easy, plus having more room around the transmission to work is nice.
The exhaust removal is fairly simple, soak the bolts in some penetrating fluid, unplug the o2 sensors and drop it down.
 
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Old 02-20-2019, 05:17 PM
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Originally Posted by archaeology_student
Hi WaltNYC

Thank you for your reply . I already looked at that write-up, however, i see that person has a car hoist.

I was curious if anyone had done it back yard mechanic style, without a hoist

Thanks
i changed the filter and gasket on my back. Not bad to do, I did not remove the, exhaust pipes nor the cross member. What I did do with the cross member is unbolt it and moved it forward.
 
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Old 02-23-2019, 10:40 PM
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I did it on my back with the exhaust out. The biggest problem I had was the tranny dip-stick tube. I could not get that nut undone for the life of me. I guess the answer was to get it hot with a torch to break it loose. My engine wasn't in at the time so I just pulled the pan off with tube in place. Even with the engine out taking the pan out with the dip-stick tube attached was pretty difficult.
 
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Old 03-03-2019, 03:16 PM
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I thought you had a manual trans? change trucks?




 
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Old 03-03-2019, 06:09 PM
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Originally Posted by Ankeneering
I thought you had a manual trans? change trucks?
Same truck I always had since I started this adventure in March of 2017.
 
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Old 03-03-2019, 08:47 PM
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Did this recently after I put the engine back in.
When you take cat assembly out, leave O2 sensors in, just unplug them.
The cross member was a bit of a pain. Bit of rust. Used a 5-lbs sledge to get it out. Wire brushed before putting it back. Floor jack helped.
 
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