How do I keep the rubber hose connectors between the forward and aft transmission oil lines from coming loose and leaking oil?

Asked by Mar 16, 2013 at 02:48 PM about the 1994 Jeep Grand Cherokee Laredo 4WD

Question type: Maintenance & Repair

4.0 liter straight-six engine with automatic transmission and oil cooler.  I have a recurring problem with the rubber hose connectors between the forward and aft transmission oil lines working off the metal tubing and leaking oil.  The metal tube ends are flared and I have even tried two metal hose clamps on each end, but still having problems.  Any suggestions?  Also, how should the transmission lines be routed through the engine bay.  It looks like the hose clamps may be rubbing up against the lower suspension arm on the front right wheel.

7 Answers

replace the rubber with all new rubber and clean the livin' hell out of the connection pipe with some brake-cleen, once the rubber has gone wonky, no amount of clamping will help, like building your castle on a foundation of stawberries-

try to route them AWAY from the hot exhaust, use a bit of mechanics wire if they don't want to 'springy' the correct way.

Get neoprene, personally like to use stainless braided neoprene (aircraft fuel line) is just darn purdy to look at will follow with a link in case you wanted to get "gitchy"~

http://www.flexicraft.com/Industrial_Hose/>>>>if you use one of these be mindful of the resistance to oil, probably most of them are, but plain butyl rubber probably is what they had...and thats why it went bad (rhymes.lol)-

if this seems wierd...wading into uncharted territory, it's simple, look at the O.D of your pipes (probably 1/4" ALL) and the length needed. being stainless, you'll need to use an industrial grade chopper or do like I do with an abrasive spinny wheel air-tool- need a spec, it's all there will chose one for you.

congrats, by chosing which hose to buy, you've done what I used to do...it's called Engineering, and is largely a matter of callin' the shots, like in this case some really High Quality tubing, like the racecar guys use! now you can call yourself and Engineer!

you know the abrasion can be completely forgotten as you're climbing into bed with an armadillo in this application.

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