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  #13  
Old 08-02-2011, 02:13 PM
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Re: Transmission Issues

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Originally Posted by soontobesrt View Post
Whats/Where is this isolator people are referring to being an issues? The bushing for the front carrier that goes to the frame? Is it front end clunk that people mean? I just dont see how a diff bushing has anything to do with hard shifts? Must be confused?



And some info on trans flushes below for anyone who cares:

Did you actually have the trans flushed? Or just fluid drained and refilled form pan? Did they hook it to the 2 machine that allows it to be sucked out out and pumps new in? Hopefully not, so unless you check your trans fluid ahead of time. While flushes are good for transmission in good condition with little gunking inside and relatively clean fluid (suggesting good condition trans) then its ok to flush Id say, actually a good preventative maintenance for future issues.

BUT if the fluid was nasty looking burnt/dirty or metal shavings a flush would most likely put it in worse condition as the flushes will free all crap inside trans and allow them to clog/destroy the rest of the mechanical parts in it.

Flushes when done properly at right time are great but heard of many cars over 100k w/ issues having a flush and then days later needing full rebuild Id bet you're ok and it will help but if the fluid was never changed before you never know?
Correct. Coming from Chrysler themselves, they say it is never necessary to flush the transmission and that it could cause more serious issues.
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  #14  
Old 08-02-2011, 03:48 PM
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Yes everything is a lot smoother and better so far

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  #15  
Old 08-02-2011, 04:44 PM
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Re: Transmission Issues

Quote:
Originally Posted by lll2for3lll View Post
Correct. Coming from Chrysler themselves, they say it is never necessary to flush the transmission and that it could cause more serious issues.
Yeah seems thats commonplace for many mfgs nowadays but not sure why. I guess better formulated ATFs are leading to less flushing needed and just swaps. BUT Id still say every 30k a flush is good IF fluid seems like its in good shape. Im checking mine next week and if is good ill have full flush done. Certainly will prevent anything serious down the line and hopefully have her running a little smoother and stronger, plus peace of mind is nice
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  #16  
Old 08-02-2011, 04:59 PM
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Quote:
Originally Posted by soontobesrt View Post
Yeah seems thats commonplace for many mfgs nowadays but not sure why. I guess better formulated ATFs are leading to less flushing needed and just swaps. BUT Id still say every 30k a flush is good IF fluid seems like its in good shape. Im checking mine next week and if is good ill have full flush done. Certainly will prevent anything serious down the line and hopefully have her running a little smoother and stronger, plus peace of mind is nice
Not so true. A big reason manufacturers don't suggest flushing is because its not their name on the chemical. They don't test these things so to cya they don't suggest flushing as they are not going to pay for trans overhauls because people do non suggested things to them and seals fail.

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  #17  
Old 08-02-2011, 11:01 PM
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Re: Transmission Issues

Unless it's a brand new flushing machine with brand new fluid or you know every car that has ever been flushed with it, it's a bad idea to flush. Simply drain and replace the fluid and filters.
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  #18  
Old 08-02-2011, 11:19 PM
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My dealers moc machine uses a virgin tank and all flushed fluid goes to a used tank.

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  #19  
Old 08-03-2011, 10:06 AM
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It was a moc machine. One side is a tank only used for brand new fluid and the other side is for the used fluid.

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  #20  
Old 08-03-2011, 06:33 PM
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Re: Transmission Issues

^ Yeah those are the way to go form all Ive seen and heard as Escpae mentioned, the other machines carry bunch of gunk in which will flow back into trans, no thanks!

Im thinking of doing it in the driveway. Buddy whose mechanic says I can just roll it up on some ramps and secure it then just unhook the cooler lines and start her to begin draining it w/ own pump. Then just being replacing fluid as it drains into pan until the called for amount has been dumped in. I want to get as much out as I can of course so Im not against taking to a shop. I just need to make sure I can keep the fill rate matching the drain rate I guess for trans safety. Anyone done it that way or have any pointers on a driveway flush,
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  #21  
Old 08-03-2011, 08:14 PM
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If you just wanna do a flush find a mechanic with a moc machine. Doing it yourself would be a pain. The only reason I didn't drop the pan is because of all of the shit in the way down there, I didn't have time.

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  #22  
Old 08-04-2011, 03:30 PM
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Re: Transmission Issues

Quote:
Originally Posted by soontobesrt View Post
Whats/Where is this isolator people are referring to being an issues? The bushing for the front carrier that goes to the frame? Is it front end clunk that people mean? I just dont see how a diff bushing has anything to do with hard shifts? Must be confused?
The front axle housing rotates with the torque, both accel and decel. (Like drag racing,the rear axle housing rotates thats why/how traction bars work).the front diff isolaters hold it from rotating,but when they are bad the shock from torque load clunks alot.I had mine done a month or 2 ago & it was like getting a new car! most people notice it during the D-R shift, but if you shift it yourself and downshift for a spirited corner,it can bang pretty hard.
there are 3 bushings - over the pinion(u joint), front of diff cover ,and top of passenger side of the axle. the top and pass side will be the bad ones most likely.
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  #23  
Old 08-04-2011, 05:01 PM
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Good info, do you have part numbers or prices for an 05 lorado 4.7? I'd like to look into that

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  #24  
Old 08-04-2011, 06:22 PM
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Re: Transmission Issues

For the dealer to do it was about $550. I only had the 2 press in bushings done as the front one was good. the bushings were like $30 each. A better dealer would most likely be cheaper as mine was the 1st one these guys did,so it wasnt as quick as it should've been. I believe they are all the same bushings even srt's

some links-

http://www.jeepgarage.org/showthread.php?t=24690&highlight=front+diff+bushin gs

No more clunks and no more rear wheel ticking...
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