Can I engage 4X4 while driving?

Can I engage 4X4 while driving?

Some older and more basic 4WD systems must by engaged manually with the vehicle at a complete stop and the transmission in either Park or Neutral. Don’t try to engage these 4 wheel drive systems when the vehicle is moving or you can damage expensive components. The most sophisticated 4WD systems are fully automatic.

Why does my Chevy Blazer not 4 wheel drive?

I Have A 2001 Chevy Blazer The 4×4 will not engage. I Press the 4×4 Auto, Hi or Low button on the dash they just keep flashing. you can here the transfer case engage, but It will not be in 4 wheel drive. I have tried driving around with the light flashing to see if it would engage it did not. please help me find out what this is.

Why does my 4×4 won’t engage Please Help?

If they then work, it may just be this and using a synthetic may help in cold weather. Don’t count on it, but give it a try. Heck, it could be anything from mechanical to a loose or corroded connection. But it will have to be evaluated on a lift. Also, use your 4 wd monthly all year long, even if you don’t need to, for at least 10 to 20 minutes.

Where are the vacuum hoses on my Blazer?

Also check all the vacuum hoses from the actuator (under the battery tray) to the vacuum switch (middle of firewall) back to the vacuum reservoir (inside left fender?). When my Blazer was around 10 years old, the hose ends were showing signs of deterioration.

I Have A 2001 Chevy Blazer The 4×4 will not engage. I Press the 4×4 Auto, Hi or Low button on the dash they just keep flashing. you can here the transfer case engage, but It will not be in 4 wheel drive. I have tried driving around with the light flashing to see if it would engage it did not. please help me find out what this is.

Also check all the vacuum hoses from the actuator (under the battery tray) to the vacuum switch (middle of firewall) back to the vacuum reservoir (inside left fender?). When my Blazer was around 10 years old, the hose ends were showing signs of deterioration.

If they then work, it may just be this and using a synthetic may help in cold weather. Don’t count on it, but give it a try. Heck, it could be anything from mechanical to a loose or corroded connection. But it will have to be evaluated on a lift. Also, use your 4 wd monthly all year long, even if you don’t need to, for at least 10 to 20 minutes.