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OEM Tech Discussion Forum for OEM (Original Equipment) or stock XJs and MJs.

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  #1  
Old June 8th, 2019, 22:51
SmokeyTheRedXJ SmokeyTheRedXJ is offline
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Transmission oil cooler line connector broke

So Iím new to the group and today I decided I was going to replace the lower or return tranny cooler line because for the life of me I could not get the old one to stop leaking but thatís another story so I went down to Napa got the new line went to put it in everything is working out I thread in the connector and get it finger right I take my wrench spin it once or twice and broke it at the housing I cannot get it to thread in now and have no idea how to fix it without getting a new transmission Iíve heard of tapping it so far which Iíve never done but what do you guys think and thank you for having me
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  #2  
Old June 9th, 2019, 05:29
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ehall ehall is offline
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Re: Transmission oil cooler line connector broke

You mean the large adapter fitting broke off flush with the transmission? It can't be in there too tight so should be able to back out the threads with an ez-out or left-handed drill bit?
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  #3  
Old June 9th, 2019, 07:33
RCP Phx RCP Phx is offline
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Re: Transmission oil cooler line connector broke

The fitting is already threaded, you can buy the replacement (stock) fitting or even upgrade to SS hose.
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  #4  
Old June 9th, 2019, 08:04
Heavyopp Heavyopp is offline
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Re: Transmission oil cooler line connector broke

You broke one of these big ugly hose connectors off the transmission? As said before, the remaining piece should come out pretty easy unless you have it cross threaded -- after that you could swap to -6an stainless hose or source a new OEM connector

Problem with OEM is your using a new OEM designed hose -- it will leak again and probably sooner than you think -- those new "made in Mexico" hoses don't last very long

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  #5  
Old June 9th, 2019, 10:12
SmokeyTheRedXJ SmokeyTheRedXJ is offline
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Re: Transmission oil cooler line connector broke

No no I didn’t break the connector I broke the threads the connector goes into I’ll post a picture in a moment
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  #6  
Old June 9th, 2019, 10:18
SmokeyTheRedXJ SmokeyTheRedXJ is offline
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Re: Transmission oil cooler line connector broke

I cant figure out how to post pictures but the threads the connector goes into the Lower or return hose how it bulges off the housing I broke maybe .25 to .5 inch off the threads of the actual housing not the connector itself but now I can not get the new connector to thread into the damaged hole was looking around last night I was thinking of using helicoil but at that point would I have to grind the hoousing down to where the tip of the break was or could I just tap the damaged hole and put the helicoil in and not have it slide out
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  #7  
Old June 9th, 2019, 12:01
Heavyopp Heavyopp is offline
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Re: Transmission oil cooler line connector broke

You split one if these threaded ports?

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  #8  
Old June 9th, 2019, 12:26
lawsoncl lawsoncl is online now
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Re: Transmission oil cooler line connector broke

You shouldn't have needed to remove the adapter to replace the line unless the o-ring behind it was leaking. If it's the threaded boss on the side of the trans that's damaged, I would consider JB-Welding in the metric to AN-6 adapter Heavyopp posted or just epoxy the original adapter back in. Just make sure you clean the oil off real well first.
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  #9  
Old June 9th, 2019, 15:51
SmokeyTheRedXJ SmokeyTheRedXJ is offline
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Re: Transmission oil cooler line connector broke

The threads are shot pretty bad Iím gonna try to jb weld the piece back on and thread in the old adapter see if I can save myself the time and strain of tapping everything
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  #10  
Old June 9th, 2019, 17:44
Heavyopp Heavyopp is offline
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Re: Transmission oil cooler line connector broke

Just remember that’s not standard pipe threads — I forget exactly what it’s called but it’s pipe threads without the taper

The taper on a standard pipe thread would split the aluminum port on the trans as you tighten
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  #11  
Old June 9th, 2019, 18:08
SmokeyTheRedXJ SmokeyTheRedXJ is offline
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Re: Transmission oil cooler line connector broke

Quote:
Originally Posted by RCP Phx View Post
The fitting is already threaded, you can buy the replacement (stock) fitting or even upgrade to SS hose.
So did you have to tap to get this to work or straight bolt in
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  #12  
Old June 9th, 2019, 19:38
RCP Phx RCP Phx is offline
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Re: Transmission oil cooler line connector broke

It was a straight bolt in with the threads in the tranny, 14mm x 1.5mm with a o-ring.
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  #13  
Old June 9th, 2019, 20:24
Heavyopp Heavyopp is offline
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Re: Transmission oil cooler line connector broke

Part numbers on the bags -- The adapter and separate O ring

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  #14  
Old June 9th, 2019, 20:37
RCP Phx RCP Phx is offline
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Re: Transmission oil cooler line connector broke

Here's the factory fitting........
https://www.morris4x4center.com/mopa...3503728-m.html
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  #15  
Old June 9th, 2019, 20:54
SmokeyTheRedXJ SmokeyTheRedXJ is offline
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Re: Transmission oil cooler line connector broke

I wish I was able to post pictures so you guys could see let me clarify what Iím saying I have the oem connector got it from autozone when I was threading it into the hole or port which ever you prefer on the side of the transmission the port broke at the top right not the connector but the port so where I am currently is I cleaned the Jesus out of it and placed the broken part of the port back in place and jb welded it I am currently letting it cure for 24 hours so Iíll check it after work my plan is to try and thread the old adapter in and see if I can catch thread if so I will be doing what heavyopp has suggested and go with the as lines instead if I canít catch thread then I will try and drill and tap and use a helicoil to thread in what heavyopp has suggested
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