Question about 2001 Chevrolet Silverado 1500

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Is the front driveshaft suppose to turn in 2 wheeldrive

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Yes, it's the wheel hubs that lock

Posted on Apr 27, 2010

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Yes, unless you have installed lock out hubs on the truck. The shaft is being driven by the front wheels. Lock out hubs let the front wheels freewheel and save wear and tear and (maybe) a little gas.

Posted on Apr 27, 2010

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Posted on Jan 02, 2017

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SOURCE: on a 4 wheel drive is the front driveshaft suppose

yes the driveshaft will turn all the time

Posted on Apr 27, 2010

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1 Answer

Rear wheels do not engage in 2 wheeldrive and front wheels on engage in 4 wheel drive??


If driveshaft to rear end spins then you have something broken in the rear end. If the driveshaft doesn't spin then problem with transfercase.

May 31, 2015 | Cars & Trucks

1 Answer

I have a 2001 chevy s10 4x4 the fourwheel drive is lockin in but my tires are not spinning? WHAT do I do


Check if the front driveshaft is turning the front diff pinion. If it is then check the axle fork engage operation on the right side of the differential

Feb 28, 2015 | 2001 Chevrolet S-10

1 Answer

I reconnected wires and with 4 wheels off ground the driveshaft turns but 4 wheel drive on front dif still doesn't work


What kind of car or truck? If both driveshafts turn, then you have a bad front differential. Remember there are 2 driveshafts on 4 wheel drive vehicles. Also do you ahve locking hubs?

Feb 04, 2015 | Cars & Trucks

1 Answer

Isnt the driveshaft to the front diff supposed to freewheel when not in 4wheel drive?


it is unless hubs are defective or ingaged.Lift front end up and turn rotate wheels and se if u joint behind wheel is turning if it is you have a problem with hubs and while up in the air turn drive shaft by hand if it turns-- transfer case proubly ok go to hubs goo luck

Jul 16, 2011 | Jeep Wrangler Cars & Trucks

3 Answers

4wheel drive wont engage


First, start checking the fuses an there is also an electrial activaced switch at the transmission or transfer case that may be bad.

95-96
Your control knob should say 2wd, 4auto, 4low.

First, we need to narrow it down to a transfer case issue, or a front axle issue.
Step 1) Jack up the front end and place it securely on jack stands.
Step 2) Verify that the front driveshaft turns by hand. When turning the front driveshaft by hand, the front wheels may or may not turn. Do not be alarmed if they don't turn. This is normal for your vehicle.
Step 3) Start the vehicle and let it idle. Place your foot firmly on the brakes, place the transmission in NEUTRAL, engage 4low, then place the vehicle back in park. DO NOT ENGAGE ANY GEAR!! The lurch as the transmission engages could cause the vehicle to lurch and potentially fall off the jack stands.**If you can turn the front driveshaft, the transfer case is not locking. This could be due to a mechanical issue with the transfer case itself, or an electrical gremlin with the control system. Start a new thread with the results of your checks, and we'll go from there.
**If the front driveshaft does not turn, the transfer case is locking properly and we need to continue searching.
Step 4) With the front wheels in the air, engine idling in PARK, spin one front wheel. The other wheel should spin the opposite direction. If both wheels spin in opposite directions, then the front axle *should* be properly engaged. Take it for a test drive (after safely lowering it to the ground, of course). If the front wheels do not spin in opposite directions, there is a problem with the front axle. This could be due to a mechanical problem with the diff, or a failure of the center axle disconnect to engage the passenger side axle shaft. Start a new thread with the results of your checks, and we'll go from there.

Troubleshooting the CAD on a 95-96 is a bit more involved than I want to get into here, and the problems can vary widely. This'll get you started.


97-01 4-door and 96-00 Sports
Your control knob should say 4auto, 4high, 4low.
First, we need to narrow it down to a transfer case issue, or a front axle issue.

Step 1) Jack up the front end and place it securely on jack stands.

Step 2) Verify that the front driveshaft turns by hand. When turning the front driveshaft by hand, the front wheels should turn. (If only one turns, don't be alarmed. One wheel sometimes has more resistance in the brakes, bearings, or CV joints. This is normal)
Step 3) Start the vehicle and let it idle in PARK. Engage 4high. DO NOT PUT THE VEHICLE IN GEAR!!! Crawl underneath and see if you can turn the front driveshaft.
**If you can turn the front driveshaft, the transfer case is not locking. This could be due to a mechanical issue with the transfer case itself, or an electrical gremlin with the control system. Start a new thread with the results of your checks, and we'll go from there.
**If the front driveshaft does not turn, the transfer case is locking properly and we need to continue searching.
Step 4) With the front wheels in the air, engine idling in PARK, spin one front wheel. The other wheel should spin the opposite direction. If both wheels spin in opposite directions, then the front axle *should* be properly engaged. Take it for a test drive (after safely lowering it to the ground, of course). If the front wheels do not spin in opposite directions, there is a problem with the front axle. Start a new thread with the results of your checks, and we'll go from there.


'01-'03 Sport and '01-'05 Sport Trac
Your control knob should say 2wd, 4high, 4low

The transfer case in these trucks functions essentially like the 1st-gens' 13-54 t-case. (i.e. it uses a lockup collar engaged by the transfer case shift motor) The troubleshooting procedure is very similar, but you don't need to worry about hubs or center-axle disconnects engaging.

Step 1) Jack up the front end and place it securely on jack stands.
Step 2) Verify that the front driveshaft turns by hand. When turning the front driveshaft by hand, the front wheels should turn. (If only one turns, don't be alarmed. One wheel sometimes has more resistance in the brakes, bearings, or CV joints. This is normal)
Step 3) Start the vehicle and let it idle in PARK. Engage 4high. DO NOT PUT THE VEHICLE IN GEAR!!! Crawl underneath and see if you can turn the front driveshaft.
**If you can turn the front driveshaft, the transfer case is not locking. The shift motor could be falsely reading an incorrect t-case position, or it could be a mechanical issue with the case itself. Start a new thread with the results of your checks, and we'll go from there.
**If the front driveshaft does not turn, the transfer case is locking properly and we need to continue searching.
Step 4) With the front wheels in the air, engine idling in PARK, spin one front wheel. The other wheel should spin the opposite direction. If it does, the system should be properly engaged. Safely lower the vehicle to the ground and take it for a test drive. If the wheels do NOT spin in opposite directions, there is a problem with the front differential or axle. Start a new thread with the results of your checks, and we'll go from there.


Keep us updated.

Dec 16, 2010 | 1996 Ford Explorer

1 Answer

2004 F250 superduty rear driveshaft is vibrating all new joints and hanger is there a special way the 2 piece shaft is supposed to go back together


When you pull the driveshaft to change Ujoints you were suppose to mark the flanges and reassemble the shaft with the same marks lined up. If you did not mark them possibly the grease or rust from the failed joint has spotted the flange. If you see the grease or rust marks are not together, you will need to "clock" the joint and reassemble so the marks line up.

If you threw the driveshaft when the Ujoints let go, then you could have bent it or knocked off a weight. You may have to take the driveshaft into a shop for rebalancing. Another trick, is to use a Radiator clamp for a weight and trial and error it.

I hope this helps you with your problem.

Nov 27, 2010 | 2004 Ford F250

1 Answer

My 1999 Blazer 4X4 will not go into 4 wheel drive.


The cv shafts will turn in 2wd but the front driveshaft should not. Can you jack up all 4 wheels to test this?

Jul 04, 2009 | 1999 Chevrolet Blazer

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