Question about 1998 Dodge Ram 1500 4WD

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1998 Dodge Ram 1500 4x4, Laramie 5.9L- The 2 vac soft lines at transfer case came off the metal lines coming from front axle and dont remember which way they go, can anyone help with this?

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6ya6ya

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Posted on Jan 02, 2017

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Anonymous

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SOURCE: 1995 dodge ram 1500 4wd, vacuum line

you sure its not the breather tube for the t-case. about 3/8 hose if it is. the vacuum lines for the 4x4 are small plastic lines. red, blue, yellow, etc. think there are four of them

Posted on Jan 10, 2009

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Anonymous

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SOURCE: remove front axle from differential on 2003 dodge ram

That works fine on a relatively new vehicle but one that has run in salt etc you'll save a lot of time if you remove the steering knuckle completey by separating lower ball joint and outer tie rod end ball joint and bring the whole steering knuckle to a bench to separate the hub/bearing. Soak everything with penetrant, loosen the bolts a few turns and try hitting right on the bolt heads. I also made a very sharp wedge from a chisel and rammed it hard on the other side to seoarate the hub. It will finally come apart then you'll see all the **** that was binding it due to an alumininum knuckle re-acting with a steel hub. Clean the hole and grease everything and fit new bearings

Posted on Feb 15, 2009

Anonymous

  • 1 Answer

SOURCE: No 4wd in a 1998 dodge ram 2500 w/360

check behind the right side of the front axle and look for 2 vacuum lines to see if they are still connected. also check on driver side just infront of the transfer case and check the vacuum lines to see if they are still connected. usually the problem is the vacuum lines have become caught on something and disconnected themselves.

Posted on May 01, 2009

John Fourteen Six

  • 2418 Answers

SOURCE: 2003 S10 heater controls dont work / work with

Your Blend / mode door inside the heater ac blower box. is stuck or not moving completly into place.

Posted on Oct 17, 2009

Anonymous

  • 10 Answers

SOURCE: 1999 dodge ram 4x4 transfer case

is your fluid the right grade check shift linkage loose or worn or binding manual shift or bad shift fork or moter on automatic shift

Posted on Oct 24, 2009

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1 Answer

Will not shift into 4x4 and vibrates bad


Hi, did you check the transfer case fluid level at all ??

Could also be your metal vaccum lines on the cross member and along the passenger side of the frame to the front axle assembly where they connect to the axle vaccum switch diaphragm. are rusty and leaking not engaging the 4 wheel drive all the way in gear.

Dec 18, 2013 | 1998 Dodge Ram 1500 4WD

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I have a 4wd 98 ram 1500 360 and when i move the shifter it will not go into 4wd, the light doesn't come on or anything its like its not even there i believe it may be the vacuum lines but i dont know...


Pistol09pete,

It sounds like you have a problem with the vacuum lines that travel from the transfer case (these should be color coded lines that are green, red, and black). Goodluck

Mar 13, 2011 | 1998 Dodge Ram 1500 4WD

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Sep 15, 2010 | 1998 Dodge Ram 1500 4WD

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1995 dodge ram 4x4 my truck will not go in 4x4 it does in the transfer case but not in the front differerencial. solutions please? Thanks Andy


it has a electric motor on the front axle near center hogs head,if this is working fine the problems in the half shaft that slides the two axles together.if it does not have the electric motor then it is vacume operated and you will see a vacume line and actuator.check vac line.it should be elec though for the 95

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The lines connect to the toggle switch, and run down to the transfer case.

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1995 dodge 3500 4wd wont engage have shifter on floor light wont come on or 4wd wont engage


Any time your dealing with a 4x4 system the best start is at you front axle. Its primarily a vacuum leak so check to see if the 2 vac lines are hooked up (its good to check the electric connections.). When your 4 wheel drive is engaged and the motors running you should have vacuum at one or both of thee lines depending on if your in 4 hi or low .
If no vacuum at axle check the Vacum switchs(the plug with 4 vac lines) on top of the transfer case it will have 2 feed lines(grey & green) they conect in to the into the vacum harness on back of motor (passanger side). A vacum schematic is normally located on the raditor core support (right under the hood next to hood release)
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Jan 20, 2010 | 1999 Dodge Ram 2500 4WD

1 Answer

Four wheel drive wont engage. Tranfer case is


Sounds like you either have a vaccum leak or your 4 wheel drive actuator is not working to engage the front differential.On my 98 ram there is a black and red plastic lines that are used for the vaccum lines. They are underneath and go from the transfer case to the front axle, check to see if one or both might be cracked or broke completely.If the lines are good then it could be your actuator on the front axle. A new one is about $93 at advance auto parts and not very hard to replace

Dec 15, 2009 | 1998 Dodge Ram 1500 4WD

1 Answer

No 4wd in a 1998 dodge ram 2500 w/360


check behind the right side of the front axle and look for 2 vacuum lines to see if they are still connected. also check on driver side just infront of the transfer case and check the vacuum lines to see if they are still connected. usually the problem is the vacuum lines have become caught on something and disconnected themselves.

Mar 24, 2009 | 1998 Dodge Ram 2500 2WD

2 Answers

Transfer case wont engage


shift into 4wd and move truck a couple of feet.
if light is still off, park truck block the wheels set the park brake jack right front wheel and try to hand spin the wheel if wheel doesn't turn 4x4 is functioning properly but there is a wiring problem use an ohmmeter to check the 4x4 switch wiring fuse and bulb
if wheel turns freely the front axle or transfer case is not engaged
attempt to hand spin the front driveshft if the driveshaft will spin the transfer case is not engaged check the transfer case shift linkage, problem is in linkage or transfer case internals
if the driveshaft will not spin the transfer case is engaged properly
with trnsmission in neutral or park start engine measure vacuum on the two vac lines at front axle shift motor . one line should have approx 20" vacuum. other line should have none
if no vacuum measured look for vac leak or bad vac switch
if both lines have vac look for a bad vac swithc or ruptured cad actuator diaphragm
if one line has 20" +- VAC
move transfer case lever to 2wd measure vac again lines should have swapped vac signals
if no vac switch bad or 4wd shift likage needs adjusting
if yes vac motor bad or stuck or shift fork stuck
remove vac shift motor from the axle attach vac lines to shift motor engage disengage 4wd
does shift motor plunger move at least 1/2 inch
no shift motor bad
yes check axle shift fork and vac motor for binging

Jan 27, 2009 | 1999 Dodge Ram

1 Answer

4x4 will not engage. If front differential is messed up the front end wouldnt move at all correct?-


if the frt axle is vacuum actuated it can be either a broken vac line or the vac switch on the transfer case or the actuator on the axle

Sep 28, 2008 | 2007 Dodge Ram 1500 Quad Cab Sport

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