General opinion about the 3.7 trans fluid service? - Jeep Commander Forums: Jeep Commander Forum
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post #1 of 17 (permalink) Old 09-07-2010, 10:16 AM Thread Starter
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General opinion about the 3.7 trans fluid service?

So, what are folks doing on this then? I'm just past 60K now, so need to look at this before too long. If I hadn't have had the trans cooler line problem, I'd just pull the pan, drain the oil, and re-fil with the same amount of fluid...

I just really dislike the idea of paying $80/hr for something I can do myself on a lazy saturday afternoon...

2007 3.7
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post #2 of 17 (permalink) Old 09-07-2010, 11:23 AM Thread Starter
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Alrighty then,,,

I've been googling, and found a few links:

http://www.clubgwagen.com/gtech.php?...0Change&tid=59

http://www.chargerforums.com/forums/...ad.php?t=38893

There is no way on earth, that I'm going to pay the $230 price I've just been quoted to do this oil change....

I've got a MaxQ data analyser that should show the trans oil temp - if it doesn't - then I'll use a heat-gun on the pan, or a bulb-type thermocouple which i'll fix to the dipstick before it goes in.



So, does anyone know the MOPAR part numbers for the gasket and filter?

2007 3.7
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post #3 of 17 (permalink) Old 09-07-2010, 11:28 AM Thread Starter
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Nice (basic) procedure with pictures
http://www.chargerforums.com/forums/...d.php?t=127560

Discussion about oils and such:
http://sprinter-source.com/forum/showthread.php?t=10142


An interesting link with slightly more 'involved' info than a simple oil/filter swap...
http://sprinter-source.com/forum/showthread.php?t=2476



Filter # 52108325-AA - $ 31.00
Pan gasket # 52108332-AA - $ 14.85

2007 3.7

Last edited by turbodave; 09-07-2010 at 11:38 AM.
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post #4 of 17 (permalink) Old 09-07-2010, 01:09 PM
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turbodave,
I like to use a 50k interval.....mostly cause it is easy to remember ie 50/100/150.

Not at all difficult as you have noted.....somewhat messy though.
Several members got some real low prices at various lube shops......that 200+ thing is insane and they probably are using one of those darn flushing machines to boot.....hence no filter.

Certainly not rocket science.....you'll be fine,

Rob


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post #5 of 17 (permalink) Old 10-15-2010, 10:35 AM
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Anyone done the DIY Home Flush? Where you disconnect the return line of the cooler and run it to a bucket, then idle the motor as you watch the fluid pour out, you poor in an equal amount as best you can, till you reach the quantity of the trapped fluid?

Did it all the time on my mini-van, worked fine.

Anyone tried AMSOIL Synthetic ATF, instead of ATF+4.

Its only a guess, but I "guess" from what I've read, the only thing better than ATF+4 may be AMSOIL Synthetic ATF. BUT, that is also assuming AMSOIL Synthetic ATF is properly formulated and meets/exceeds every single spec for the trans.

I never risked it with my Mini-Van trans, since ATF+4 was specifically designed and formulated for that trans, with special properties, its just that ATF+4 ended being so good, chrysler started using it in all their other trans and their PS systems for a while.

The fact that ASMOIL Synthetic ATF is multi-vehicle and meets/exceeds specs for multiple ATF fluids kinda turned me off. Some of those fluids have contradicting Specs, so how does AMSOIL meet/exceed specs for all those fluids, when some of specs contradict?
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post #6 of 17 (permalink) Old 10-15-2010, 05:32 PM
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Im about to drop the pan and replace the filters and oil in the next week or so. Im a little late as im almost at 70,000 miles but better late then never.




2007 4.7 Liter XK | Front OME MD Springs w/Superlift Preload Spacer | Rear 4" Superlift Springs | Bilstein 5125 Rear Shocks | JBA UCA's | Rusty's Rear Adjustable Track Bar | Black Rock 997 Wheels | Fred Goeske 1/4 Inch Wheel Spacers | 305/70R17 Goodyear Wrangler MT/R w/Kevlar | Airflow Snorkel | Flowmaster 40 Series Muffler | Superchips Flashpaq | Mopar Skids | 4xGuard Belly Guard | American Rebel Rear Diff Cover | Rear Powertrax No-Slip | Front E-Locker | Rear Heat/AC Delete
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post #7 of 17 (permalink) Old 10-15-2010, 07:50 PM
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You can look up any OEM part at MOPAR.com, it even gives prices.

$80 dollars a hour verse $1000+ transmission job, I have the 545rfe transmission and still pay $130 to hand the filters changed every 30,000 miles.
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post #8 of 17 (permalink) Old 10-19-2010, 08:37 AM
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Quote:
Originally Posted by 06h View Post
You can look up any OEM part at MOPAR.com, it even gives prices.

$80 dollars a hour verse $1000+ transmission job, I have the 545rfe transmission and still pay $130 to hand the filters changed every 30,000 miles.
Those filters dont need to be changed every 30,000 miles.




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post #9 of 17 (permalink) Old 10-24-2010, 07:40 PM
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I'm at 50k and am going to run AMS oil and filter since I already have it in both axles and t-case. That'll happen next month, after I take it in again for the front diff. leaking.

2007 Sport 4.7L Bought New in Dec. of 07' w45 miles. Now has 70k+ Miles & 8 pages of Repair orders-255/65/17 Nitto Crosstek's, Flowmaster 50 SUV, A/C Delco Double Platinum copper cores, AMS Oil All the way around, K&N Air Filter, Weather Tech Floor mats, Lifetime Bumper to Bumper Warranty Exp.- 2082
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post #10 of 17 (permalink) Old 10-24-2010, 08:49 PM
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Amsoils the way to go, all my fluids are Amsoil. Been using there products in all my vehicles for years even yard equipment and quads. It's not the specs that contradict, ATF exceeds standards that are set by the different auto manufactures through the tests that are set by these car makers.
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