Question about 2001 Kia Sportage

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The 4x4 vacuum hoses need to be replaced and can't find them anywhere.

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You can hear 4x4 engage when you press 4 hi or 4 lo and light does come on the indicate but you cannot move in any amount of snow. there is no extra gripping power. its just like in 2 wheel drive. what...

i had a similar problem with mine, check to see if you are getting vacuum to the front 4x4 actuator valve under the battery tray, it looks like a big diaphragm with a cable hooked to it. the hose is tied close to the oil dipstick. if the diaphragm sucks in when you have the vehicle started and engage 4x4, then its likely front axle related. but if you get no vacuum at all then check the vacuum pump located on the transfer case. i didnt have the money to replace the vacuum pump so i made me a turn valve under the hood and ran vacuum lines to the intake. just make sure you turn the valve off after you disengage 4x4 or you will use more gas cause the front axle would stay locked in, and may cause more probs down the road. the vacuum pump on the transfer case is about 200 bucks. it cost me 10 dollars for the valves and hoses... hopes this helps.

Jan 29, 2011 | 2002 Chevrolet Blazer

1 Answer

4x4 lights come on but it does not go in what could it be

There are issues with the 4x4 system I.w.e ends ingesting moisture/water into vacuum actuation system causing no 4x4 or ratcheting outboard I.w.e ends. (Even if you don't go 4x4'n ) pull off vacuum hoses @ I.w.e ends and check for moisture/water/rust also the I.w.e is not part of the wheel bearing itself It is the part on the axle side (inboard) of the spindle. (EVEN DEALERS CAT LISTED WRONG )Many shops just replace the wheel bearing side this may fix the symptom but not the true cause of damaged I.w.e. ! Check with a reputable dealer they should have info on this condition and repair procedure.
The integrated wheel end (IWE) system contains the following:
Vacuum reservoir
IWE solenoid
IWEs (spring loaded vacuum hubs)
Vacuum hoses
Check valve
The IWE system uses vacuum hubs that engage the front wheel hubs to the front halfshafts or disengage the front wheel hubs from the front halfshafts

The IWE solenoid receives engine vacuum from the vacuum reservoir.
When the 4-wheel drive system is in 2WD mode, the 4x4 module (PCM) supplies a ground path to the IWE solenoid to apply vacuum to the integrated wheel ends (disengaging the front hubs from the front halfshafts). In 4WD mode, the 4x4 module (PCM) does not supply the ground path to the IWE solenoid, vacuum is not applied to the integrated wheel ends and an internal spring keeps the front hubs engaged to the front halfshafts.

Feb 02, 2010 | 1998 Ford Expedition

2 Answers

2002 KIA Sportage 4x4. 4x4 not working

Is the four wheel drive activated by vacuum? Check vacuum.

Nov 06, 2009 | 2002 Kia Sportage

2 Answers

I need to know what to do to get the 4x4 to work.

what year is it? chances are it is between a 1997 and 2003? if you look on the front differential (front axle) when the round cover on the front is, there is a vacuum solenoid. have someone start the vehicle and you can watch as they switch into and out of 4x4 make sure the arm on the vacuum solenoid is moving. if it is, the engagement fork inside the front diff is broken. if it is not, you have a bad vacuum solenoid or no vacuum applied. pull vacuum hose and check with vacuum gauge as vehicle is put into and taken out of 4x4

May 07, 2009 | Ford F-150 Cars & Trucks

2 Answers

Vaccum hoses are missing. 1986 Nissan 720 4X4

truck normally has a vacuum hose routing diagram on under side of hood on drivers side.also look for metal tag on center of engine compartment fire wall which gives you a motor id @ and trk model # you can then know what engine vacuum diagram you need.i have a diagram for an 86 720 series Z24 carb engine that can be copied off of truck..chris

Apr 02, 2009 | 1986 Nissan Pickup 4WD 1986

1 Answer

79 cj7 i6 automatic NEED HELP WITH 4x4 VACUUM HOSES

the switch in your glove box is a( pto switch ) power take of switch two hoses go the trasfer case the third hose go to the acuator box that located low on the fire wall on the passenger side.

Feb 12, 2009 | Jeep CJ7 Cars & Trucks

2 Answers

2002 grand vitara v6, will not engage 4x4, (no front axle activity) no activity light, tried 4-hi, and 4-lo, switches on t-case show shift rail activity, dont have a schematic to trace diff pump behind...

I had the same problem on Fraser Island over the Australia Day weekend. The problem was the rubber vacuum hose connected the front diff. There is a metal pipe than comes from the vacuum pump and along the lower engine cross member facing the front of the car. In my case the sand had dislodged the pipe which it turned dislodged the rubber vacuum hose connected from the pipe to the rear top of the front diff housing. This hose engages the front diff / hubs - if they don't engage the 4x4 green light won't come on. After reconnecting the rubber hose everything worked perfectly.

Hope this helps.

Jan 07, 2009 | 2003 Suzuki Grand Vitara

1 Answer

1998 gmc jimmy has no 4x4 anymore

Hi there. under your battery is the 4x4 actuator. there should be a vacuum hose that is connected to it. this actuator is the one that will lock your front diff in 4x4. this hose could fall off and you will not have 4 wheel drive without it connected.If that hose is connected, there is another hose which comes from the vacuum switch up the back of the engine and over toward the driver side of the engine compartment. it tees off and one end goes to a little resevoir on the engine hood. with the engine running, check to see if you have vacuum to this hose. also with thye engine running press the 4x4 switch and make sure that the actuator os working. the vacuum should **** the diaphram in and hold it in. If there is vacuum to the diaphram when 4x4 is engaged but the diaphram doesn't hold, you will need a new actuator. Hope this helps you.

Dec 29, 2008 | 1998 GMC Jimmy

1 Answer

1986 ford ranger 4x4 A4LD transmission

It is on the side of the transmission, it has a vacuum hose from the engine going to it, if trans fluid has gone through the vacuum hose replace it to.

Nov 07, 2008 | 1986 Ford Ranger 2WD

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