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screwballl
 
  transmission flush or refill? - Posted: 02-12-2009, 09:53 PM
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Post #1

I had my D in for the G07 recall and when they did the top to bottom inspection they said the transmission fluid was extremely dirty... and the information I saw said it only needs to be done every 100,000 miles (and my D is at 81K miles) but I assumed that is because of the long life transmissions they have nowadays... the dealership wants $200 for a flush, one local shop wants $350, 2 other places including a well trusted transmission shop (excellent marks with BBB and local/state business awards) said there is no need for a "flush" through those machines, just a drain and refill (plus filter(s)) and they are asking around $110.

Ideas? Suggestions?
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aypanthony
 
 Posted: 02-13-2009, 08:39 AM
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Post #2

Quote:
Originally Posted by screwballl View Post
2 other places including a well trusted transmission shop (excellent marks with BBB and local/state business awards) said there is no need for a "flush" through those machines, just a drain and refill (plus filter(s)) and they are asking around $110.

Ideas? Suggestions?
IMHO, a drain, filter(s) change is all you need. It is also a chance for them inspect the pan for anything unusual. If you decide to go this route, have them install a drain plug, then you can do it yourself the next time.
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Nivled
 
 Posted: 02-13-2009, 07:18 PM
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Post #3

I did both @ Cottman Transmission. Cost me about $119 (flush and Drop the pan). AND on top of that they let me watch!!!
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sca
 
 Posted: 02-13-2009, 07:33 PM
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Post #4

I'm pretty sure it is a 50,000 interval!
I had mine done twice already and I'm at 80K miles.
Mine was a flush at the dealer, OEM Tranny Fluid is the only way to go!
Our trannies don't like any other fluids!
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Sir_Eagle
 
 Posted: 02-13-2009, 10:03 PM
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Post #5

Quote:
Originally Posted by aypanthony View Post
IMHO, a drain, filter(s) change is all you need. It is also a chance for them inspect the pan for anything unusual. If you decide to go this route, have them install a drain plug, then you can do it yourself the next time.
Drop the pan yourself, change the filter, put on a new gasket and bolt the pan back on. Have to torque the bolts right when you put them back on. 105 in/lb for the 545RFE tranny. It also has a transmission cooler return filter in it.

Quote:
Originally Posted by sca
I'm pretty sure it is a 50,000 interval!
The manual says every 60,000 miles:
Drain and refill automatic transmission fluid and
change main sump filter (4.7L/5.7L only). This applies
only if your vehicle is used for police, taxi,
fleet, or frequent trailer towing.

My Haynes Repair manual says change it at 100,000 miles.
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sca
 
 Posted: 02-14-2009, 06:56 PM
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Post #6

Well....I don't want to take chances....I keep changing every 50K...
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Sir_Eagle
 
 Posted: 02-14-2009, 08:33 PM
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Post #7

Never hurts to do it more often.
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screwballl
 
 Posted: 02-16-2009, 10:16 AM
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Post #8

interesting, that is something I have never had to do on any of my vehicles... there was always the "suggested" 50K mile drain/refill but never had any need to do it... my 79 Chevy Luv, 76 GMC truck, my 89 Olds Cutlass, my 91 Suburban... none of them ever needed a flush or drain/refill and they all had minimum 150K miles and some over 200K miles...
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Flealami
 
 Posted: 02-16-2009, 09:14 PM
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Post #9

The reason that a flush is recommended instead of just a drain and fill is that when you drain the tranny you only get a fraction of the fluid, most of it remains trapped in the tranny inner workings. The first time you drive it with the new fluid it will mix with the old fluid and instantly become contaminated. The only way to properly do a drain and fill is to drain, fill, drive, drain and fill again, drive, drain, replace filter, fill again.

Several times, it is a pain in the arse versus just having the flush done which forces all the old fluid out of the tranny.

Flea
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Don Fox
 
 Posted: 02-17-2009, 09:22 AM
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Post #10

All:

Agreed that a flush may be the way to go IF the tranny is on a regular schedule of them, and it is kept up.

OTOH, many, many folks have had bad results from taking a high mile tranny that has never had one, and/or been abused by not being serviced at all.

Although a flush does do a good job of replacing all of the fluid, it also tends to break loose accumulated crap and force it through the trans causing really expensive issues if not catastrophic failure usually sooner than later.

Many places push them since they are a money maker, one way or the other.

Chrysler does not recommend them either, simple drain and refill with a filter change is the way to go unless you are 1st owner starting from scratch.

Don
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screwballl
 
 Posted: 02-17-2009, 02:04 PM
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Post #11

Quote:
Originally Posted by Don Fox View Post
All:
OTOH, many, many folks have had bad results from taking a high mile tranny that has never had one, and/or been abused by not being serviced at all.

Although a flush does do a good job of replacing all of the fluid, it also tends to break loose accumulated crap and force it through the trans causing really expensive issues if not catastrophic failure usually sooner than later.

Many places push them since they are a money maker, one way or the other.

Chrysler does not recommend them either, simple drain and refill with a filter change is the way to go unless you are 1st owner starting from scratch.

Don
thats how I had always understood it all my years growing up with my best friends dad who was Master Sargent in the USAF (retired) and had been a grease monkey all of his life... they taught me quite a few things... except how to actually do it
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Dj Ready Red
 
 Posted: 02-17-2009, 06:15 PM
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Post #12

I'm close to 80k myself so I'm gonna consider all options I have read so far!!
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Don Fox
 
 Posted: 02-17-2009, 08:55 PM
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Post #13

My Gen 1 book says 15 interval if you tow a lot, and 30k if you don't.

IMO the 15k deal is overkill. I don't tow more than a couple of times a year, and usually 2000 pounds or less on short trips.

I followed the 30k marker since I had an extended warranty to satisfy, but now that it has run out I think I will run that out a bit to 40 or 50k.

IIRC, the Gen 2's are at 50k on their non severe service schedule.

No matter how you cut it, a fluid and filter change now and then sure beats replacing a $3000 tranny, not to mention the associated down time.

Don
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Rich86
 
 Posted: 02-18-2009, 01:05 PM
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Post #14

My buddy advised me that its best to flush it every 30k. I met him at dodge since hes usually the tech that works on my D, so we talk and discuss a lot of things. He knows the people down at KRC Performance too, which are actually one of our sponsors. He was telling me that if your gonna flush the tranny, you might as well do the front and rear diffs and transfer case, (if you have awd) at the same time. Price for that is about 400 bucks though. Ive got 52k on my D right now, so i think im just gonna wait till i hit 60k and do everything on the list including that. I figured since i bought it used, i might as well catch up on what was possibly not done on it and make sure everything is up to par. 60k service is 550
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screwballl
 
 Posted: 02-18-2009, 01:16 PM
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Post #15

Quote:
Originally Posted by Rich86 View Post
My buddy advised me that its best to flush it every 30k. I met him at dodge since hes usually the tech that works on my D, so we talk and discuss a lot of things. He knows the people down at KRC Performance too, which are actually one of our sponsors. He was telling me that if your gonna flush the tranny, you might as well do the front and rear diffs and transfer case, (if you have awd) at the same time. Price for that is about 400 bucks though. Ive got 52k on my D right now, so i think im just gonna wait till i hit 60k and do everything on the list including that. I figured since i bought it used, i might as well catch up on what was possibly not done on it and make sure everything is up to par. 60k service is 550

thanks for the info... although the flush is overkill... the drain and refill should be fine in most cases
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Rich86
 
 Posted: 02-18-2009, 01:29 PM
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Post #16

Your welcome. Personally i think it depends on how the vehicle is driven and used. We all want whats best for our D's lol
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Don Fox
 
 Posted: 02-22-2009, 10:02 AM
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Post #17

Rich:

You will want to service BOTH front and rear axles each time regardless of AWD or part time 4x4.

Most 4x4/AWD vehicles today do not have locking hubs to disconnect the front driveline from the wheels, thus everything is still turning at all times, just not under power (in the case of PT4x4).

Our Durangos are a good example of this as the part time models are disconnected inside the T case, so everything up front still turns no matter what.

Don
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Rich86
 
 Posted: 02-22-2009, 09:17 PM
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Post #18

Don:

Your right. But thats what i meant to say. When i said "if you have AWD" i was referring to the people who had 2wd durangos, since they dont have a front diff or transfer case, not part time or full time all wheel drive vehicles.
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Don Fox
 
 Posted: 02-23-2009, 06:38 PM
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Post #19

Rich:


OIC..............
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screwballl
 
 Posted: 02-24-2009, 12:03 PM
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Post #20

ummm this thread is about the transmission, not differentials...
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