I have a 2001 s10 and cannot get the 4x4 to work. ive set it up on jack stands and put in drive and locked the 4x4. the only part that works is the transfer case and the only thing that happens is it spins the drive shaft, im not sure if the diff is messed up or is it in the hubs, but some good advice on what to check would be great
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Re: 4x4 on a 2001 s10
When the transfer case shifts into 4wd it activates a vaccum switch on the transfer case which sends vaccum to the accuator for the front axle. the accuator pulls a cable that locks in the axle. the switch on the transfer case is a well known problem. check for vaccum in and out of this switch in 4wd. if you have vaccum out then check the accuator under the battery. If the vaccum switch on the transfer case is bad you can find one at most parts store in the HELP section #49315. please rate if this helps
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leave the wheels on jack up the body and place on jack stands
remove the suspension arm pins from the body mounts
remove the shocks and drive line
clamp off the body to axle brake line and remove from housing
remove hand brake cables at hand brake end
wheel rear wend out of vehicle
First you should check your handbrake. It could be partially on or just out of adjustment.
Jack up each rear tire, put a jack stand under the car for safety, then, with the handbrake off, try to spin the rear wheel by hand. The tire should rotate easily.
Pull up the handbrake until you can't rotate it. Count the handbrake clicks, if it's less than 4, it should be adjusted.
Do the above procedure for both rear wheels.
If the wheel still locks, it could be caused by a sticking brake caliper. Someone will have to look at the brakes and repair the lock-up.
place the trolley jack under the front cross member . (The big bit that connects the side frames under the sump). Lift as high as possible and place the jack stands under the chassis ( moulded rails ) where the sub-frame meets . Then place the trolley jack under the rear diff and lift as high as possible Place the jack stands under the chassis at the front of the springs or track rods By using these positions you will have the cabin securely jacked up with all the wheels free to remove or to work on. Before going under try rocking the vehicle hard to ensure that it will not move off the stands.
Is it related to road speed or engine speed, road related suspect the CV joint. jack the front off the ground and place on chassis stands, then start you engine. put it in gear and the clicking will go mad, find out which one it is. VERY IMPORTANT apply your brakes until your wheels stop completely before returning to park, not doing this will damage the park locking device, if it is relative to engine speed check for a crack in the exhaust manifold
If rear end is up in the air only. And it turns. Then know its not in four wheel drive. If u put the rear end up on jacks and leave the front end on the ground and then put it in four wheel drive its going to pull the truck off the jacks Danger. Does the truck try to come of of the jacks. If yes then its in four wheel drive. Should also be a lite on the dash. Saying 4 wd
You have to empty the fuel tank somehow (siphon the gasoline out into a fuel can so it doesn't sit around and cause fumes to concentrate where they could be ignited). Jack the rear axle of the car up and put it on jack stands for safety. Disconnect the filler line and fuel lines that go toward the front of the car from the fuel tank, unbolt the 2 straps holding the fuel tank, lower the fuel tank (take care not to damage any of the lines or hoses as it comes down,
take off the locking ring, remove the fuel fuel sending assembly, disassemble it, then reassemble with the new fuel pump, place the assembly back into the tank and put the locking ring back on, then put the fuel tank back in, reconnect the fuel lines, fill the tank with just a few gallons, test to see if it starts, take it off jack stands. More details here:http://www.ehow.com/how_7532750_replace-2001-pontiac-grand-prix.html
Warn Hubs Installation A truck or SUV with a four-wheel drive suspension uses locking hubs on the front wheels to engage or disengage the front axle shafts from the hubs. This way, you can drive the truck normally with just rear-wheel drive, or engage four-wheel drive mode when you want to drive off-road. These hubs can wear out, and one improvement is to install a set of Warn hubs. Installing a set of Warn hubs takes about an hour. 1.Park the truck and put on the parking brake. Lift the front of the truck with the jack and put the jack stands under the front axle. Take off the front wheels with the tire iron and put them to the side. 2.Disengage the locking hubs using your hands by turning the knob on the hubs. Remove the snap rings holding the hub locks in place with the snap-ring pliers. Pull the hub off the axle. 3.Install the lock ring wheel from the Warn hub kit in the axle with the factory snap ring and the snap-ring pliers. 4.Make sure the Warn locking cap dial is turned to the "Free' position. Install the locking cap onto the lock ring wheel and hub body with a hex-head key. Reinstall the front wheels with the tire iron and lower the vehicle off the jack stands with the jack. Thank you for using FixYa. Hope this will help your problem and don't forget to rate me.thanks, Reymond