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Jeep Liberty Diesel

10669 messages,  Last post on Nov 09, 2009 at 1:18 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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#10455 of 10669
Re: Transmission slipping [synlubes] by steve_ HOST
Apr 30, 2009 (8:56 pm)
Reply

Replying to: synlubes (Apr 30, 2009 8:44 pm)

I don't even trust that and just had my mechanic do a simple drain and fill on my high mileage minivan.
 
Mdamick, here's one version of why some of us are leery of flushes (power or otherwise).
 
amigo_john, "Isuzu Trooper" #8070, 30 Jun 2003 7:46 am
#10456 of 10669
Re: rear main seal leaking [playgabe] by emp2
May 01, 2009 (5:18 am)
Reply

Replying to: playgabe (Apr 15, 2009 6:40 am)

playgabe would you please put on line at what speeds the shifting sequince takes place in your 2005. I'm considering reflashing to prior F37 conditions or in other words original factory conditions . My final lockup is at 64 miles per hour . This seem a very high range .
Thanks
#10457 of 10669
Re: Transmission slipping [steve_] by mdamick
May 01, 2009 (10:25 am)
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Replying to: steve_ (Apr 30, 2009 8:56 pm)

I did it a while back to a 93 Jeep Cherokee with 2500000 mi.
Seems to run just fine.
#10458 of 10669
Re: Transmission slipping [mdamick] by tidester HOST
May 01, 2009 (12:45 pm)
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Replying to: mdamick (May 01, 2009 10:25 am)

Jeep Cherokee with 2500000 mi.
 
That works out to over 150,000 miles per year or over 400 miles per day. I suspect you put an extra 0 in that number.
 
tidester, host
SUVs and Smart Shopper
#10459 of 10669
Re: Transmission slipping [tidester] by mdamick
May 01, 2009 (7:44 pm)
Reply

Replying to: tidester (May 01, 2009 12:45 pm)

What's a factor of 10 among friends?
#10460 of 10669
Re: Transmission slipping [mdamick] by steve_ HOST
May 01, 2009 (9:38 pm)
Reply

Replying to: mdamick (May 01, 2009 7:44 pm)

You have to power flush those decimal points.
 
I doubt that my van will see 150,000 miles in our household but if the tranny dies while we have it, I'll let you know. 250,000 is impressive!
#10461 of 10669
milage by tnilc99
May 02, 2009 (12:09 am)
Reply
Hello all,
I have noticed that a number of general posts are in reference to milage. I am currently working on that issue. As soon as I have some real data and run time I will
post the results.
But for now under normal conditions, the real key is to not rev over 2000 rpm. I did a series of tests that show the best milage ( 24 mpg ) will be consistant if driven
at 2000 rpm and lower. If some one can figure out how to raise the rear end ratio up
a bit to allow 75 mph to be achieved at 2000 rpm that would be ideal.
For those that wish to attempt these tests, remember those jack rabbit starts from
a dead stop position are not good as rpm's jump well over 2000 every time.
 
Later gang
#10462 of 10669
Re: milage [tnilc99] by mdamick
May 02, 2009 (5:40 pm)
Reply

Replying to: tnilc99 (May 02, 2009 12:09 am)

What about an overdrive auxiliary transmission?
#10463 of 10669
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 10669
Re: milage [mdamick] by caribou1
May 03, 2009 (8:48 am)
Reply

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?

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