When i have my truck in 4 wheel drive and turn sharp it kinda bounces but when i have it in 2 it doesn't do that and i just want to know why....

still in 4 wheel drive ! you have vaccum problems !

you will know if you are in 4wd if you take it on a dry road. you will feel it fighting you when you turn sharp.. as for the blinking lights . that's your truck saying..........please take me in for some servise

This can be caused by worn out fluid inside the 4 wheel drive transfer case, have the fluid changed, it takes DEXRON 6 ATF. The fluid should be changed every 30,000 miles sonner is you use the 4 wheel drive often. There is a drain plug and a fill plug on the rear of the case at the rereat of the transmission. Fill to just below the plug threads.

Is this a manual 4 wheel drive system that can be shifted into 2 wheel drive? These type of systems should be in 2 wheel drive for tight turns. The drive train locks the differentials to make it 4 wheel drive and with the 4x4 engaged it creates this lunge grabbing effect.

it is difficult to make sharp turns while in 4 wheel drive on a hard surface. If you are able to make sharp turn easily in 2 wheel drive then everything is probably OK. Check your owners manual and review the 4 wheel drive section, there is much to learn.

if the gear ratios are not the same or tires are of differing ratio the 4 wheel drive will caus eit to overdrive itself and be unstable. Will cause damage. Check tires and the radio

hey charlie, 1st problem is 4 wheel drive being engaged on dry pavement. You should only have it in 4x4 in snow, or off road on sand, dirt,etc. Newer all wheel drive vehicles compensate for the tires rotating at different speeds, like going around a sharp corner. The wheels on the outside of the turn have a longer distance to travel than the wheels on the inside of the turn. This results in the vehicle feeling like it's jumping, hopping or jerking as you cut a tight turn. You can damage your 4x4 system, as the wheels are fighting each other, trying to turn the same # of rotations, and something can and will give (like blowing the transfer case). If your light is staying on after changing to 2 wd, it is possibly stuck in 4x4. To shift from 4wheel to 2 or 2wheel to 4, you should be traveling in a straight line, let off the gas, change in or out of 4x4, resume driving. 4x4 low range requires a complete stop to engage.

If you have it in 4 wheel drive on dry ground, that's how they act. Leave it in 2 wheel drive as much as possible.

replace the switch on dash that switches it from 2 wheel drive 2 4 wheel drive

Do u have it in 4x4 on dry pavement? If that's the case, u should use 4x4 mode only in snow, off road, etc. The 'problem' is that all 4 wheels are trying to rotate the same revolutions , and the 2 wheels on the inside of the turn have a shorter distance to travel. This usually results in a sort of lurching feel as the truck goes forward, sort of like it's being held back. Does this sound like what's going on? If it does, just avoid sharp turns on dry pavement when in 4x4. Let me know if this does not help.