Recent Topics
Toyota 2TR-FE 2.7 questions
by Doublehaul. 12/12/18 12:32 AM
Anybody used Eurolub?
by FordCapriDriver. 12/12/18 12:18 AM
Micro-Green Cut Open
by David1. 12/11/18 11:45 PM
Witch way does this valve work?
by Dylan1303. 12/11/18 11:42 PM
Santa came early..
by leoblack9. 12/11/18 11:22 PM
dropped a zip tie in my prius trans
by eljefino. 12/11/18 09:54 PM
2 Cello's - Some talented fellows right here.
by StevieC. 12/11/18 09:49 PM
Something different for sure - Punjabi Celtic
by StevieC. 12/11/18 09:40 PM
Honda eu200i hiccuping @ low idle - fixed
by Jmoney7269. 12/11/18 09:34 PM
Your dealer is here - Humor
by StevieC. 12/11/18 08:46 PM
1994 Honda Civic LX Main Relay-solder
by Gito. 12/11/18 08:43 PM
Winter/Summer Fuel Economy
by RayCJ. 12/11/18 08:33 PM
0w20 oils - NOACK
by superangrypenguin. 12/11/18 08:19 PM
Liqui Moly Special Tec AA 5w20 API SN
by Johnny248. 12/11/18 08:15 PM
Buy a brand new 1966-1977 Ford Bronco
by StevieC. 12/11/18 07:50 PM
2012 Accord,QSUD 5W20,WIX 57356 filter,3K miles
by aquariuscsm. 12/11/18 07:05 PM
Check out this awsome work!
by Chris142. 12/11/18 06:47 PM
200,000 miles
by Marco620. 12/11/18 06:29 PM
Newest Members
tcoffin014, Schm1d, EagleC, Dinka, MechanicGuy
66654 Registered Users
Who's Online Now
24 registered members (Char Baby, anndel, ctechbob, ArrestMeRedZ, 3 invisible), 795 guests, and 32 spiders.
Key: Admin, Global Mod, Mod
Forum Statistics
Forums67
Topics294,961
Posts4,924,850
Members66,654
Most Online2,553
Oct 27th, 2018
Donate to BITOG
Previous Thread
Next Thread
Print Thread
Hop To
Page 1 of 2 1 2
4WD Actuator or Transfer Case Motor? #4697636
03/17/18 12:54 PM
03/17/18 12:54 PM
Joined: Oct 2008
Posts: 412
Corydon, Indiana
iunderpressure Offline OP
iunderpressure  Offline OP
Joined: Oct 2008
Posts: 412
Corydon, Indiana
Hello,

I have a 2007 Dodge Ram 1500 4x4 with the 4.7. When it is cold outside the truck can be slow to switch into and out of 4wd, but the big problem now is when I turn the switch from 4wd to 2wd, the 4wd light goes off pretty quick, but the truck will travel 1/2 mile or less and truck will thud real hard. It sounds and feels like the front driveshaft just broke. It's harder the faster you are going. It's hard enough where it's going to break something if it hasn't already. I'm thinking it's the 4wd actuator in the axle or transfer case electric motor in the side of the transfer case, but I really don't know.

Thanks


2009 Ford Crown Vic Police Interceptor
302,000 miles
Valvoline Maxlife Full Synthetic 5w30
Motorcraft FL-820-S oil filter

Re: 4WD Actuator or Transfer Case Motor? [Re: iunderpressure] #4697708
03/17/18 02:59 PM
03/17/18 02:59 PM
Joined: Dec 2017
Posts: 2,980
SE British Columbia, Canada
Snagglefoot Offline
Snagglefoot  Offline
Joined: Dec 2017
Posts: 2,980
SE British Columbia, Canada
If itís temperature related it may be the actuator. Not sure about Dodge but the GM ones had a reservoir of oil that was heated by an electrical element and expanded the fluid to engage the front hubs. Worked slow in cold temps.


If you want the job done right......do it yourself.
Re: 4WD Actuator or Transfer Case Motor? [Re: iunderpressure] #4697742
03/17/18 03:30 PM
03/17/18 03:30 PM
Joined: Sep 2015
Posts: 1,592
USA
mk378 Offline
mk378  Offline
Joined: Sep 2015
Posts: 1,592
USA
I would think if the truck is really fully in 2WD, you could rotate the front driveshaft by hand while parked. It sounds like the transfer case is stuck in 4WD, and you get a harsh result when the axle disengages at speed. Does 4 Low work?

Re: 4WD Actuator or Transfer Case Motor? [Re: mk378] #4697763
03/17/18 04:02 PM
03/17/18 04:02 PM
Joined: May 2012
Posts: 1,404
Georgia
AVB Offline
AVB  Offline
Joined: May 2012
Posts: 1,404
Georgia
I am thinking it may be the other way around. I think the transfer case disengaging under load would cause a bigger thump than the axle. It does seem like cold would affect the transfer case more as it is running in oil. Where the axle engages there is only a small amount of oil in the bottom of the axle tube. It is hard to say without seeing it in person.

It really sounds like you just need to wait for it to disengage before driving down the road.

Re: 4WD Actuator or Transfer Case Motor? [Re: iunderpressure] #4697771
03/17/18 04:15 PM
03/17/18 04:15 PM
Joined: Dec 2017
Posts: 2,980
SE British Columbia, Canada
Snagglefoot Offline
Snagglefoot  Offline
Joined: Dec 2017
Posts: 2,980
SE British Columbia, Canada
Originally Posted By: iunderpressure
Hello,

I have a 2007 Dodge Ram 1500 4x4 with the 4.7. When it is cold outside the truck can be slow to switch into and out of 4wd, but the big problem now is when I turn the switch from 4wd to 2wd, the 4wd light goes off pretty quick, but the truck will travel 1/2 mile or less and truck will thud real hard. It sounds and feels like the front driveshaft just broke. It's harder the faster you are going. It's hard enough where it's going to break something if it hasn't already. I'm thinking it's the 4wd actuator in the axle or transfer case electric motor in the side of the transfer case, but I really don't know.

Thanks


If you havenít changed your transfer case fluid within the last 50,000 miles, that would be a good thing. Just as easy as an oil change.

Last edited by Snagglefoot; 03/17/18 04:16 PM.

If you want the job done right......do it yourself.
Re: 4WD Actuator or Transfer Case Motor? [Re: iunderpressure] #4697869
03/17/18 05:52 PM
03/17/18 05:52 PM
Joined: Oct 2008
Posts: 412
Corydon, Indiana
iunderpressure Offline OP
iunderpressure  Offline OP
Joined: Oct 2008
Posts: 412
Corydon, Indiana
Sorry I wasnít clear. The slow disengagement and engagement may or may not be related with the hard disengagement. According to the 4wd light the disengagement happens quickly in these warmer temperatures, but I will still get that hard thud usually 1/4 to 1/2 mile later. It does it every time. I drive really slow and basically just roll until I feel it trying not to break anything. Iím sure the fuild needs changed too. I was going to get all the parts at the same time. I just wasnt sure which part would cause that hard release.


2009 Ford Crown Vic Police Interceptor
302,000 miles
Valvoline Maxlife Full Synthetic 5w30
Motorcraft FL-820-S oil filter

Re: 4WD Actuator or Transfer Case Motor? [Re: mk378] #4697873
03/17/18 05:55 PM
03/17/18 05:55 PM
Joined: Oct 2008
Posts: 412
Corydon, Indiana
iunderpressure Offline OP
iunderpressure  Offline OP
Joined: Oct 2008
Posts: 412
Corydon, Indiana
Yes, 4 low works.


2009 Ford Crown Vic Police Interceptor
302,000 miles
Valvoline Maxlife Full Synthetic 5w30
Motorcraft FL-820-S oil filter

Re: 4WD Actuator or Transfer Case Motor? [Re: iunderpressure] #4697924
03/17/18 06:27 PM
03/17/18 06:27 PM
Joined: May 2012
Posts: 1,404
Georgia
AVB Offline
AVB  Offline
Joined: May 2012
Posts: 1,404
Georgia
I wonder if the light goes off as soon as the axle disconnects, then the thud is the transfer case shifting. You may try shifting to neutral and see if that makes a difference. Or get a helper to drive while you listen for the noise from outside of the truck to isolate where it is coming from.

Re: 4WD Actuator or Transfer Case Motor? [Re: iunderpressure] #4697953
03/17/18 06:56 PM
03/17/18 06:56 PM
Joined: Oct 2008
Posts: 412
Corydon, Indiana
iunderpressure Offline OP
iunderpressure  Offline OP
Joined: Oct 2008
Posts: 412
Corydon, Indiana
Does the axle or transfer case require the truck to move to disengage completely?


2009 Ford Crown Vic Police Interceptor
302,000 miles
Valvoline Maxlife Full Synthetic 5w30
Motorcraft FL-820-S oil filter

Re: 4WD Actuator or Transfer Case Motor? [Re: iunderpressure] #4697964
03/17/18 07:02 PM
03/17/18 07:02 PM
Joined: May 2012
Posts: 1,404
Georgia
AVB Offline
AVB  Offline
Joined: May 2012
Posts: 1,404
Georgia
The axle doesn't it is just a splined coupler that locks the two right side shafts together. The transfer case has gears that have to get lined up. So it needs the gears to either rotate freely or be turning.

Re: 4WD Actuator or Transfer Case Motor? [Re: AVB] #4700503
03/20/18 08:41 AM
03/20/18 08:41 AM
Joined: Oct 2008
Posts: 1,560
Flatlands of Indiana
JetStar Offline
JetStar  Offline
Joined: Oct 2008
Posts: 1,560
Flatlands of Indiana
Is this something new, started happening, when it didn't used to?
Are your tires all the same brand, size, properly inflated?
I usually like to manipulate the throttle a bit at engage / disengage to provide a little driveline slack to facilitate the shift.

Last edited by JetStar; 03/20/18 08:43 AM.

My weakness is I love all motorcycles regardless of brand
2017 Wide Glide
2016 Suzuki DR650
2015 Road Glide
2007 Yamaha FZ1
1978 Suzuki GS1000 (now 1085)
Re: 4WD Actuator or Transfer Case Motor? [Re: iunderpressure] #4700562
03/20/18 10:00 AM
03/20/18 10:00 AM
Joined: Feb 2007
Posts: 3,699
Southeast
meep Offline
meep  Offline
Joined: Feb 2007
Posts: 3,699
Southeast
If there is a thud, then regardless of the light, it is not coming out of gear and the driveline is under torque loads. It is possible that motor moves into the 2H position but the prawl is spring-connected, waiting for a tensions to ease so it can work out.

Does this truck only have a t-case or does it also disengage the front axle? Neither is happening. It's possible that it wants the axle to disconnect first (if so equipped) and then the tcase releases when there is no tension.

Try reversing slow after switching to 2H, even reversing with a mild turn in steering. maybe rock it back and forth a little D/R until you feel it let go.

You are right, something will be damaged by continual use this way.

-m


2018 F150
2015 crv (wifey!)
Re: 4WD Actuator or Transfer Case Motor? [Re: meep] #4701291
03/20/18 09:17 PM
03/20/18 09:17 PM
Joined: Oct 2008
Posts: 412
Corydon, Indiana
iunderpressure Offline OP
iunderpressure  Offline OP
Joined: Oct 2008
Posts: 412
Corydon, Indiana
Originally Posted By: meep
Does this truck only have a t-case or does it also disengage the front axle?

-m


The truck engages both the transfer case and axle. I think the problem is with one of those two motors.


2009 Ford Crown Vic Police Interceptor
302,000 miles
Valvoline Maxlife Full Synthetic 5w30
Motorcraft FL-820-S oil filter

Re: 4WD Actuator or Transfer Case Motor? [Re: JetStar] #4701296
03/20/18 09:23 PM
03/20/18 09:23 PM
Joined: Oct 2008
Posts: 412
Corydon, Indiana
iunderpressure Offline OP
iunderpressure  Offline OP
Joined: Oct 2008
Posts: 412
Corydon, Indiana
Originally Posted By: JetStar
Is this something new, started happening, when it didn't used to?
Are your tires all the same brand, size, properly inflated?
I usually like to manipulate the throttle a bit at engage / disengage to provide a little driveline slack to facilitate the shift.


I don't use this truck a lot. It's mainly used to get firewood, hunting, to pull a trailer, or bad weather. I noticed it this past fall, and it has happened pretty much every time that I've put it in 4wd since.

Everything on the truck has stayed the same.

I've have tried shifting out of 4wd at different speeds, in neutral, in reverse, on snow, and even if I'm crawling I feel that thud. Reverse may make for an easier disengagement.


2009 Ford Crown Vic Police Interceptor
302,000 miles
Valvoline Maxlife Full Synthetic 5w30
Motorcraft FL-820-S oil filter

Re: 4WD Actuator or Transfer Case Motor? [Re: iunderpressure] #4701512
03/21/18 06:27 AM
03/21/18 06:27 AM
Joined: Sep 2015
Posts: 1,592
USA
mk378 Offline
mk378  Offline
Joined: Sep 2015
Posts: 1,592
USA
Shift into what you think is fully 2WD and park the truck. Reach underneath and try to turn the front driveshaft by hand. If both the transfer case and the axle have disengaged, it should turn.

Page 1 of 2 1 2

BOB IS THE OIL GUY® Powered by UBB.threads™