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| Anyone else have a quirky transmission? http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=5&t=46518 |
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| Author: | ChadA [ Thu Sep 10, 2009 5:00 pm ] |
| Post subject: | Anyone else have a quirky transmission? |
First of all, 95% of the time, it does great. The only things I've noticed is that: #1- Depending on the load on the transmission when shifting, the particular shift @ around 35 mph is "lurchy". I talked to another guy at a rest area who pulled up with a CRD- said that his does the same thing- but is this just a characteristic of this trans? #2- pulled into parking lot, shut off the engine. After work, 12 hours later, the engine struggled a bit to move the Jeep. It seemed like it was locked into the wrong gear...but this was in reverse. Wanted to go in the right direction, but just seemed like it was doing it in 5th gear if you know what I mean. Then it seemed to just kick out of it and move fine. Anyone have any of this happen to you? TIA. |
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| Author: | Joe Romas [ Thu Sep 10, 2009 5:58 pm ] |
| Post subject: | |
Number one is NORMAL 
I'm not sure what your saying in number two  Are you trying to back up after setting all day  I'm assuming the fluid is at the proper level. Early on in the life of a crd there were some filter problems that didn't have check valves that caused similiar delays. So if your out of warranty I would have both of the filters changed and topped of with new TC+3 fluid (if that's the proper name of it).
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| Author: | nursecosmo [ Thu Sep 10, 2009 6:11 pm ] |
| Post subject: | |
ATF4+ |
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| Author: | canlib [ Thu Sep 10, 2009 7:10 pm ] |
| Post subject: | |
I've experienced a similar sluggishness after the jeep is parked for a longer period or at low temperatures. I think I remember another post about this saying the cause was ATF draining from the TC??? Idling in neutral for a minute alleviates the problem. The 35mph lurch happens in my 05 as well. Does the Suncoast solve these problems? |
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| Author: | CRDMiller [ Thu Sep 10, 2009 8:07 pm ] |
| Post subject: | |
The tc atf contents should not be draining back into the sump because; there is a anti drain back valve on the spin on filter. So, Ether you don't have the proper fluid level (I've been there), or you have the wrong filter/that is lacking the drain back valve. If it's the latter, it most likely not a huge deal, but if it were mine i'd replace it. It's not always straightforward to check the atf level, in the morning, after 6+ hours of non operation, it should be at or below the top hole of the cold area. After a nice hot drive, it should be at or below the top hole of the hot level, and obviously, above the bottom hole of the top level. There are some exceptions. If when cold the fluid level is above the top hole of the cold level, and when hot it is below the top hole of the hot level, your ok. If your above the bottom cold when cold and below the bottom hot when hot, that's usually ok, it means your not really hot, yet. The is part of the reason why oems are moving to dealer only, no dipstick, transmissions. If you overfill a transmission, it can be just as bad, if not worse, than having it empty. If your adding fluid, go it slowly. 1/4 a qt or less, at a time, give it time. You do not want to overfill it. I had hesitation to engage in the mornings, and also when stopping it would act like it wanted to bog down, i even had it stall a few times, particularly if on a incline (while coming to a stop). I was nearly 3 quarts low. This has happened to many other people. If i had to estimate your probably about a quart or perhaps a little over, low. The fluid expands significantly when hot, this taking up more volume, allowing it to operate normally when warm, but act up when cold. hydraulic pressure operates every thing in the transmission. You need pressure to lock, unlock the tc, change gears, etc. The 35 mph lurch.stumble is odd, but, normal. it gets more interesting with a trans-go shift kit. |
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| Author: | ChadA [ Fri Sep 11, 2009 6:50 am ] |
| Post subject: | |
Thanks much- you guys always come through with some good ideas. I'll check the fluid today after work when she's still warm. Prolly plan on changing the fluid with some good AMSoil stuff and a new filter. |
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| Author: | linewarbr [ Fri Sep 11, 2009 8:45 am ] |
| Post subject: | |
ChadA wrote: Thanks much- you guys always come through with some good ideas. I'll check the fluid today after work when she's still warm.
Prolly plan on changing the fluid with some good AMSoil stuff and a new filter. At the risk of getting flamed on here, keep in mind that Chrysler calls for ATF +4 for the trans in the CRD. Amsoil syn auto trans fluid is not ATF+4 approved, Amsoil only recommends it for ATF+4 applications. I recently changed my trans fluid and filters, and used Valvoline ATF+4 trans fluid. It took about 6 quarts after dropping the pan and removing the filters. |
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| Author: | CRDMiller [ Mon Sep 21, 2009 3:58 pm ] |
| Post subject: | |
I also find it hard to believe that any multispec atf can meet the atf +4 spec But i don't think that amsoil's multi spec atf will harm our transmissions. Atf +4 is particularly robust in comparison to previous atf types. |
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