- #11 of 46
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Re: What type Dakota do I have [sunburn]
by philbergin
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Jul 21, 2006 (4:45 pm)
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Replying to: sunburn (Jul 21, 2006 4:13 pm)
Thanks for your reply. It is a regular trailer and weighs 3200 lbs, but I have to add in the sway hitch and other stuff, so it is probably closer to 4000. My book says I'm ok up to 5,000, so I guess I should be ok.
By the way, do I need to put the 75W-140 synthetic gear in the rear differential if I am running with a manual transmission, or is that just for automatics?
Thanks again.
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- #12 of 46
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Re: What type Dakota do I have [steak2k1]
by philbergin
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Jul 21, 2006 (4:48 pm)
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Replying to: steak2k1 (Jul 21, 2006 7:34 am)
Thanks, that clarified it for me. 3200 is the dry weight, so I do need to add the extra for sway hitch and propane, water etc. But the book says I can haul 5000, so I should be ok. Thanks again. Phil
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- #13 of 46
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Re: What type Dakota do I have [dewaltdakota]
by philbergin
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Jul 21, 2006 (5:02 pm)
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Replying to: dewaltdakota (Jul 21, 2006 8:49 am)
Wow, pics! Man, if I didn't understand it from the other posts, I sure get it now. Makes sense and now I know I have a Club Cab. Thanks a lot! Phil
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- #14 of 46
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Re: What type Dakota do I have [philbergin]
by sunburn
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Jul 22, 2006 (5:25 am)
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Replying to: philbergin (Jul 21, 2006 4:45 pm)
The synthetic 75W-140 gear lube is required in the rear differential for towing, regardless of transmission type. That's buried in the owner's manual somewhere.
If you have a limited slip differential, you will also need to add the limited slip additive, if the gear lube doesn't already have it.
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- #15 of 46
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Re: What type Dakota do I have [sunburn]
by philbergin
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Jul 22, 2006 (10:49 am)
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Replying to: sunburn (Jul 22, 2006 5:25 am)
Thanks. I did take it to the dealer today and he recommended synthetic 75W-90, so I went ahead with what he recommended. He said 140 might be a bit too heavy. I guess it should work ok. He did do the slip additive as well.
Thanks again for your help.
Phil
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- #16 of 46
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Re: 75X -140 Rear Diff fluid
by steak2k1
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Jul 23, 2006 (2:55 pm)
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Replying to: sunburn (Jul 22, 2006 5:25 am)
I am wondering if there is something in between the 90w and 140W for the rear diff and in synthetic. I just put Redline 10W40 synthetic in for an oil change and it seemed quite a bit lighter in texture/viscosity than std oil at 5W 30.
It might be worth it to go with the heavier lube in the rear diff even though I just changed it a while ago as well..and like Phil, they put in 75W-90 synthetic with LS additive. I did pull 4300 or so lbs thru the rockies without a problem..but i would hate to lose a rear diff up in the mountains...Especially seeing as we are going again in a week for vacation.
rgds,
Theo
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- #17 of 46
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Re: 75X -140 Rear Diff fluid [steak2k1]
by sunburn
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Jul 23, 2006 (4:06 pm)
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Replying to: steak2k1 (Jul 23, 2006 2:55 pm)
Right now I'm running the Redline 80W-140 in my rear diff. The 80W-140 comes with the limited slip additive, while the 75W-140 does not. I was surprised that when I switched to Redline gear lubes (75W-90 front and 80W-140 rear) that I gained about 2 MPG on the highway (non-towing).
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- #18 of 46
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Re: 75X -140 Rear Diff fluid [sunburn]
by philbergin
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Jul 23, 2006 (8:37 pm)
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Replying to: sunburn (Jul 23, 2006 4:06 pm)
Well since I just changed it I will probably keep it (the synthetic 75W-90) until I get ready to do some serious mountain climbing. Gaining 2 MPG on the highway is certainly worth spending a few bucks to put the heavier stuff in.
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- #19 of 46
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Re: 75X -140 Rear Diff fluid [steak2k1]
by philbergin
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Jul 23, 2006 (8:40 pm)
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Replying to: steak2k1 (Jul 23, 2006 2:55 pm)
4300 pounds thru the rockies! That's pretty good. What year/model etc. are you using?
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- #20 of 46
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Re: What type Dakota do I have [philbergin]
by eharri3
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Aug 13, 2006 (7:59 am)
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Replying to: philbergin (Jul 21, 2006 4:48 pm)
An easy way to find towing limits for all Dodge vehicles model years 02-06 including the Dakota, just go to Dodge.com/towing. Type in your configuration, the page gives you GVWR, GCWR, GAWR, and recommended max trailer weight for your particular setup using the manufacturer's Curb weight number and adding in a 150 pound driver. Subtract the weight of all other passengers and cargo from the GCWR to get a safe trailer weight limit for your particular situation.
Then take the GVWR, subtract curb weight, weight of all passengers and cargo, weight of accessories and options, and that is a rough approximation of how much room you have for tongue weight.
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