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Jeep Liberty Diesel

10702 messages,  Last post on Dec 06, 2009 at 4:18 PM

You are in the Jeep Liberty and Jeep Liberty Diesel Forum. Your Hosts are steve_ & tidester

What is this discussion about? Jeep Liberty, Biodiesel, Diesel, SUV


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#10462 of 10702
Re: milage [tnilc99] by mdamick
May 02, 2009 (5:40 pm)
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Replying to: tnilc99 (May 02, 2009 12:09 am)

What about an overdrive auxiliary transmission?
#10463 of 10702
Re: milage [mdamick] by tnilc99
May 02, 2009 (7:32 pm)
Reply

Replying to: mdamick (May 02, 2009 5:40 pm)

Hello mdamick,
What exactly is a overdrive auxiliary transmission? I mean can you elaborate a bit to give me an idea exactly what it will take to accomplish this task.
I was thinking more on the idea of installing a taller gear in the rear end if possible.
Engines I have no problem understanding and working, I just dont know that much about transmissions.
#10464 of 10702
Re: milage [mdamick] by caribou1
May 03, 2009 (8:48 am)
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Replying to: mdamick (May 02, 2009 5:40 pm)

I think we should be informed of the maximum torque our transmission can hold. From there we can evaluate the eventual overdrive ratio that will not destroy the converter.
 
My observation of several types of mechanical assemblies make me say that when a lower torque gearing is used, longevity is increased. What costs us more trouble on the long run?
#10466 of 10702
milage by tnilc99
May 03, 2009 (11:39 am)
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Caribou,
That is an excellent point, which brings me to the next question. When you have a
total break down of a torque converter due to excessive engine torque being delivered to the tranny, What portion of the converter fails due to this condition?
I wouldnt think that the little bit of additional ratio necessary to achieve 75 mph
at 2000 rpm would change torque converter load that much, but really not sure.
Right now I turn 2000 rpm at 70 mph.
#10467 of 10702
Re: milage [tnilc99] by caribou1
May 04, 2009 (1:26 am)
Reply

Replying to: tnilc99 (May 03, 2009 11:39 am)

I don't have the drawing of the transmission with me, but I remember seeing that all three elements of the hydraulic converter are interconnected via wet plate clutches and planetary gears. To speak simply, the intermediate flange/rotor of the coupler sees the total load of the engine when it is 'locked'. The wet plate clutches acting behind/after the converter should be much less sensitive to vibration under torque, comparing to the intermediate rotor of the converter. There was a replacement rotor mentioned by 'winter2' some time ago; this should be the best way to protect your wallet in case you want to add more power.
#10468 of 10702
Re: Transmission slipping [chester5] by arvman
May 05, 2009 (7:47 pm)
Reply

Replying to: chester5 (Apr 30, 2009 1:09 pm)

I got a pdf version of the manial online some years ago,shop manual.I'm in Canada too let me know if you would like me to burn off a copy on cd and send it to you,cheers...
#10469 of 10702
Re: Transmission slipping [arvman] by tidester HOST
May 05, 2009 (8:13 pm)
Reply

Replying to: arvman (May 05, 2009 7:47 pm)

burn off a copy on cd and send it to you
 
Unless the file is gigantic, it would probably be easier to simply email it. Just a thought.
 
tidester, host
SUVs and Smart Shopper
#10470 of 10702
Re: milage [caribou1] by tnilc99
May 05, 2009 (9:53 pm)
Reply

Replying to: caribou1 (May 04, 2009 1:26 am)

Caribou believe it or not I fully understand your description of the internal diagram
of the converter, and based on that discription I would say that the coupler section
of the flange rotor is probably what fails when you here the explanation of a Torque
converter sounding like (rocks rotating around in a can) What say you on this???
I sure would like to see a sketch of a cut away view of this beast.
I have also heard of something in relation to turbine like fins breaking away internally within the housing. Whats that refering to if you know??
Ok man thanks for the replies and take care until later.
 
Tnilc99
#10471 of 10702
Re: Transmission slipping [chester5] by chester5
May 06, 2009 (4:16 am)
Reply

Replying to: chester5 (Apr 30, 2009 1:09 pm)

That would be great. My email is sdimnsi.net. If you could contact me there I can send you my address. Thanks a lot.

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