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Ram Whining in 4WD?? #4624746
01/05/18 11:17 AM
01/05/18 11:17 AM
Joined: Mar 2012
Posts: 804
BerksCounty/Pa.
thorromig Offline OP
thorromig  Offline OP

Joined: Mar 2012
Posts: 804
BerksCounty/Pa.
Took my Ram out last nite to get groceries with the snow we had & the blustery wind/cold that we have been experiencing. Roads where still covered in good amounts of snow from drifting soo I decided to take the Ram in signature instead of my Acura. Now, the average high for the last two weeks has been mid 20s & with the wind chill -- in the single digits or below zero. I used the truck in the summertime to gather some fire wood at my one buddies house where there was lots of mud to go & from. The Ram never made a noise then or before. Like a whining noise you would hear being in low gear or low 4wd mode im assuming. I had it in high 4wd mode at all times. My fill in the transfer case is Mobil One LS 75W90 gear oil as recommended from a mechanic friend years back to help with that big chain slugging around. Like I said, never made that noise before when I did use it in past winters. I was only going about 45mph max. As soon as I put it back into 2wd mode -- the whining went away completely. When I did engage the 4wd mode to start off, I was stopped & had it in park like I do any other time?? What could or would make that whining noise? Being super cold for a long period of time or what?


00 Dodge Ram 5.2L 4x4 Edge 10W30 FU (91K)
08 Acura TL Type S 3.5L PUPP 5W20 FU (101K)
17 Jetta TSI SE 1.4L Turbo - Edge 0W40 FU (Hers) (4K)
Re: Ram Whining in 4WD?? [Re: thorromig] #4624754
01/05/18 11:25 AM
01/05/18 11:25 AM
Joined: Apr 2008
Posts: 13,185
Central NY
Miller88 Offline
Miller88  Offline

Joined: Apr 2008
Posts: 13,185
Central NY
I've never had or been in a 4wd that didn't whine with 4wd engaged and more than 5 or 10 mph.

Normal.


18 Forester 2.5I 6M
00 Jeep XJ
01 F-350 4x4 5M
Re: Ram Whining in 4WD?? [Re: thorromig] #4624771
01/05/18 11:35 AM
01/05/18 11:35 AM
Joined: Jan 2006
Posts: 2,490
Michigan
stockrex Offline
stockrex  Offline

Joined: Jan 2006
Posts: 2,490
Michigan
Does it whine only under load?


Ridgeline, Dmax, Ford 3.5
Oil Whisperer!*Fear the DINO*
Re: Ram Whining in 4WD?? [Re: thorromig] #4624773
01/05/18 11:35 AM
01/05/18 11:35 AM
Joined: Mar 2008
Posts: 6,084
South Florida
bubbatime Offline
bubbatime  Offline

Joined: Mar 2008
Posts: 6,084
South Florida
Does your front differential spin all the time, or just in 4 wheel drive? Check the front diff fluid level. Also, what is the specified fluid for the transfer case? That 75W90 might be too thick for low temps?

And I'm sure you are aware that 4wd can only be used on very slippery roads. If the roads were in good condition, with good traction, then you will wind up the transfer case, which could cause whining I suppose. Shift it back into 2wd to cure your whining issue.


17 Chrysler Pacifica Edge Syn 5W30
13 Yamaha XT250 Valv MC 10W40
10 Acura TSX 2.4 SuperTech Syn 5W20
06 GMC Sierra SuperTech 10W30


Re: Ram Whining in 4WD?? [Re: thorromig] #4624847
01/05/18 12:38 PM
01/05/18 12:38 PM
Joined: Sep 2008
Posts: 9,249
Ontario, Canada
IndyIan Offline
IndyIan  Offline

Joined: Sep 2008
Posts: 9,249
Ontario, Canada
4 hi has been pretty silent in every 4wd I've driven. Like quiet enough not to notice your in 4 hi until you turn sharply on pavement.
It wouldn't hurt to climb under there and check levels and see if anything is obvious.


07 Focus ZXW, 5spd manual, 230km M1 5W30
18 Outback 2.5 CVT 22km 0W20
Re: Ram Whining in 4WD?? [Re: thorromig] #4624878
01/05/18 01:05 PM
01/05/18 01:05 PM
Joined: Jul 2016
Posts: 1,797
Jacksonville, FL
FlyNavyP3 Offline
FlyNavyP3  Offline

Joined: Jul 2016
Posts: 1,797
Jacksonville, FL
I can see a few potential issues. The gear oil in a transfer case that should have ATF is one of them, this is compounded by the fact that it didn't make noise in the summer when the gear oil would have been thinner, but makes noise now when it's cold. The gear oil (hack) in the 231/241/242 cases is a terrible idea and should not be done IMHO due to the inability of the already insufficient pump to move the thicker fluid. I'd focus your initial search at the transfer case and then move on to investigate the front axle.


Luke
P-3C and P-8A Maritime Weapons and Tactics Instructor, Instructor Tactical Coordinator and Mission Commander
Re: Ram Whining in 4WD?? [Re: thorromig] #4624952
01/05/18 02:22 PM
01/05/18 02:22 PM
Joined: Dec 2006
Posts: 4,225
Port Orange, Florida
Panzerman Offline
Panzerman  Offline

Joined: Dec 2006
Posts: 4,225
Port Orange, Florida
The transfer case should be ATF fluid. ATF +4.
I never put gear oil in there. That and cold temperatures are my guess too.



2006 Dodge Ram 2500 Hemi 4x4
2016 Dodge Challenger Scat Pack
Re: Ram Whining in 4WD?? [Re: thorromig] #4625012
01/05/18 03:18 PM
01/05/18 03:18 PM
Joined: Mar 2017
Posts: 8,155
...
PimTac Offline
PimTac  Offline

Joined: Mar 2017
Posts: 8,155
...
I am guessing that your transfer case is chain driven? My experience with 4wd vehicles is that all chain driven transfer cases whine or make noise. If it is really loud then there might be an issue with a bearing or something. If you haven’t changed the fluid in a while that might be a good first step, especially if you have driven through water.


Cannot see signatures any longer so it doesn’t matter.
Re: Ram Whining in 4WD?? [Re: thorromig] #4625139
01/05/18 05:21 PM
01/05/18 05:21 PM
Joined: Nov 2004
Posts: 7,865
Texas
GMBoy Offline
GMBoy  Offline

Joined: Nov 2004
Posts: 7,865
Texas
My God get the correct fluid in there first!

Re: Ram Whining in 4WD?? [Re: thorromig] #4625588
01/06/18 08:37 AM
01/06/18 08:37 AM
Joined: Mar 2012
Posts: 804
BerksCounty/Pa.
thorromig Offline OP
thorromig  Offline OP

Joined: Mar 2012
Posts: 804
BerksCounty/Pa.
Will change over the transfer case oil to ATF +4 here soon. The front & rear differential both have Mobil One LS 75W90 also with approximately 25 thousand miles on there fills with no leaks or usage.


00 Dodge Ram 5.2L 4x4 Edge 10W30 FU (91K)
08 Acura TL Type S 3.5L PUPP 5W20 FU (101K)
17 Jetta TSI SE 1.4L Turbo - Edge 0W40 FU (Hers) (4K)
Re: Ram Whining in 4WD?? [Re: thorromig] #4627974
01/08/18 11:02 AM
01/08/18 11:02 AM
Joined: Apr 2008
Posts: 13,185
Central NY
Miller88 Offline
Miller88  Offline

Joined: Apr 2008
Posts: 13,185
Central NY
Yikes! I didn't notice the transfer case had gear oil in it. That's bad, really bad.


18 Forester 2.5I 6M
00 Jeep XJ
01 F-350 4x4 5M
Re: Ram Whining in 4WD?? [Re: thorromig] #4628634
01/08/18 08:47 PM
01/08/18 08:47 PM
Joined: Oct 2006
Posts: 1,900
Oshawa, Ont. Canada
irv Offline
irv  Offline

Joined: Oct 2006
Posts: 1,900
Oshawa, Ont. Canada
Originally Posted By: thorromig
Will change over the transfer case oil to ATF +4 here soon. The front & rear differential both have Mobil One LS 75W90 also with approximately 25 thousand miles on there fills with no leaks or usage.


Is that what your manual calls for, both the same weights front and back?


2017 Chevy Impala 3.6 L.
2013 Ram 5.7 L Hemi Bighorn QC 4x4
2008 Chevy Malibu 2.4 L Ecotec
Pennzoil Platinum and/or Pennzoil Ultra Platinum in all 3.
Re: Ram Whining in 4WD?? [Re: thorromig] #4629165
01/09/18 12:24 PM
01/09/18 12:24 PM
Joined: Feb 2007
Posts: 3,773
Southeast
meep Offline
meep  Offline

Joined: Feb 2007
Posts: 3,773
Southeast
If you could handle 45mph, there should have been no need for 4wd. It doesn't help you stop any better than 2WD.

If the traction was good enough then, the system could have been binding. Manual 4WD should only be used when traction is poor, which really negates those speeds at all.

So was the traction really good enough to safely drive 45, in which case the system was binding?

-m

Last edited by meep; 01/09/18 12:25 PM.

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