Dodge Nitro: Manual transmission fluid type? - Dodge Nitro Forum
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post #1 of 5 (permalink) Old 05-13-2015, 09:02 PM Thread Starter
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Dodge Nitro: Manual transmission fluid type?

Hello,
I just recently purchased a 2007 nitro with 74k on it. There are no previous service records and I would like to change the fluid in the 6 speed. What gear oil do I use? 80w90 or 75w90? I don't have the manual also to check for it.
Thanks in advance!

MVG
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post #2 of 5 (permalink) Old 05-13-2015, 11:36 PM
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Quote:
Originally Posted by mvg87 View Post
Hello,
I just recently purchased a 2007 nitro with 74k on it. There are no previous service records and I would like to change the fluid in the 6 speed. What gear oil do I use? 80w90 or 75w90? I don't have the manual also to check for it.
Thanks in advance!

MVG
Manual 6-speed transmission drain and refill (TR6060)

From the Dodge Service Manual:

CAUTION:
Hypoid gear lube must not be used in this transmission. Use of hypoid gear lube will cause
hard shifting effort/transmission failure. Use only approved lubricant as noted below.

1. With vehicle transmission neutral, position vehicle on hoist or lift.

2. Remove belly pan to gain access to transmission area.

3. Remove drain plug located on the right side of the transmission tail housing.

4. Remove transmission fill plug located on the left side of the transmission case. Drain all oil.

5. Install drain plug into tail housing and tighten to 27 N·m (20 ft. lbs.).

6. Fill transmission with Mopar ® ATF + 4. The transmission is full when the fluid level is even with the bottom of the fill hole.

Note: Capacity is approximately 4 qts but, to be safe buy 5. I would also recommend going to Amsoil full synthetic fluid (used in Viper) or Redline D4. These have been known to "improve" shifting.

7. Install transmission fill plug (1) and tighten to 27 N·m (20 ft. lbs.).

8. Install belly pan.

The Dodge manual says to change the fluid in the manual transmission every 24,000 miles

Found this info for a Dodge Challenger but it should be the same for a Nitro I suspect. Do you have a service Manual? If not they are available free to read "Online"

Hope this helps & Good Luck.

Rick

Nitro Year: 2007 (1 of 91,815 sold in 07)
Nitro Model: R/T 4X4 Stone White
CAT-BACK Exhaust, CAI, Projector Head Lamps
Fully-Equipped w/all factory options
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post #3 of 5 (permalink) Old 05-13-2015, 11:45 PM Thread Starter
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Thank you for the response, but this looks like a different transmission altogether. 2006-2008 nitro used Chrysler nsg370 6 speed trans. So ATF+4 is not recommended in it. It's been a challenge to find the right info, but this is what I came up with so far...
The NSG370 does not use standard gear oil for lubrication. This transmission utilizes bronze synchronizer collars resulting in sensitivity to lubricant make-up. Only a fluid characterized by Chrysler specification MS-9224 should be used in order to avoid premature wear or failure of internal parts as well as voiding the factory warranty. Pennzoil Synchromesh is one such petroleum based lubricant.

Common synthetic alternatives to the factory Mopar-branded conventional lubricant are Royal Purple's Synchromax and Red Line Oil's MTL. The synthetic alternatives often improve shifting performance while decreasing internal wear and noise.

I think I'll just go with Royal purple synchromax since I can't find ms9224 even at the local dealer nowadays.
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post #4 of 5 (permalink) Old 05-14-2015, 06:37 AM
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Sorry MVG for the incorrect info:

I went to My Dodge: Dodge Owners Service Manuals - Dodge Cars, Minivans, SUVs and downloaded a free copy of your Service Manual and found what you already now, not much help. Nitros with a manual transmission are a rare breed so not many here have one or know about the proper trans lube.

Manual Transmission
Selection of Lubricant
Use only manufacturer’s recommended manual transmission
fluid, refer to Fluids, Lubricants, and Genuine
Parts for correct fluid type.
Fluid Level Check
Check the fluid level by removing the fill plug. The fluid
level should be between the bottom of the fill hole and a
point not more than 3/16” (4.76 mm) below the bottom of
the hole.
Add fluid, if necessary, to maintain the proper level.
Page 364

Component Fluids, Lubricants and Genuine Parts.

Automatic Transmission Mopar_ ATF+4, Automatic Transmission Fluid.
Manual Transmission Mopar_ Manual Transmission Lubricant or equivalent (meeting the requirements
of DaimlerChrysler Material Standard MS-9224)

Transfer Case Mopar_ ATF+4, Automatic Transmission Fluid.
Front Axle SAE 80W-90 Multipurpose Type, GL-5 Gear Lubricant or equivalent.
Rear Axle SAE 75W-140 Synthetic Gear Lubricant or equivalent.
Brake Master Cylinder/Manual
Transmission Clutch System
Mopar_ DOT 3 Brake Fluid, SAE J1703 should be used. If DOT 3, SAE
J1703 brake fluid is not available, then DOT 4 is acceptable. Use only recommended
brake fluids.
Power Steering Reservoir Mopar_ ATF+4, Automatic Transmission Fluid.

Page 384

Rick

Nitro Year: 2007 (1 of 91,815 sold in 07)
Nitro Model: R/T 4X4 Stone White
CAT-BACK Exhaust, CAI, Projector Head Lamps
Fully-Equipped w/all factory options
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post #5 of 5 (permalink) Old 05-14-2015, 06:43 AM
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Mopar MS-9224 equivalent?


Quote:
The only 2 products I found that met MS-9224 are Pennzoil and Quaker State Synchromesh. Don't pay any attention to any threads you find where people are talking about buying Synthetic Synchromesh, as far as I know all of the stuff is Synthetic to begin with. BTW Royal Purple Synchromax does NOT meet MS-9224, like estam7655 said Amsoil Synthetic Manual Synchromesh Transmission Fluid is another option that meets spec too.
SOURCE

Rick

Nitro Year: 2007 (1 of 91,815 sold in 07)
Nitro Model: R/T 4X4 Stone White
CAT-BACK Exhaust, CAI, Projector Head Lamps
Fully-Equipped w/all factory options
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