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Ask GM Tech (Cam) Your Own Question
GM Tech (Cam)
GM Tech (Cam), Chevy Technician
Category: Chevy
Satisfied Customers: 29534
Experience:  GM Grand Master Technician 2007. 14 years experience.
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2004 silverado 4X4 wont go into 4 wheel drive

Resolved Question:

2004 silverado 4X4 won't go intoXXXXX
Submitted: 8 years ago.
Category: Chevy
Expert:  GM Tech (Cam) replied 8 years ago.

Welcome. What 4wd system do you have, 3 button, 4 button or manual shifter? Are there any warnings on the dash?

Customer: replied 8 years ago.
3 button on dash. Drive was out of oil. After serviceing it wahen I try four wheer drive it sounded like that electrical contact was working but it will not engsge the front wheel drive NO LIGHT ON DASK FUSE HAS BEEN CHECKED AND IS GOOD
Expert:  GM Tech (Cam) replied 8 years ago.
OK, so the front axle was out of oil or was it the transfer case?
Customer: replied 8 years ago.
transfer case
Expert:  GM Tech (Cam) replied 8 years ago.
Did you just fill it up with fluid or did you fix the leak?
Customer: replied 8 years ago.

I did not see ant leakage. Was just when I took it in for service I was told it was very low/


Expert:  GM Tech (Cam) replied 8 years ago.

Ok, these transfer cases are bad for the pump clip wearing out and the ear of the pump wearing through the case. Below is a picture that shows the possible location of the hole.


GM Tech (Cam) and 4 other Chevy Specialists are ready to help you
Customer: replied 8 years ago.
There is oil in the transfer case now but what needs to be done to get the four wheel diver working
Expert:  GM Tech (Cam) replied 8 years ago.
If the oil got too low, then there may be something binding in the transfer case and not allowing it to shift. To start with, check the front diff to see if it is engaging. Spin the actuator out and see if it extends. IF not, then you may need an actuator. If so, push a screw driver in the hole to see if the shift fork moves.
GM Tech (Cam) and 4 other Chevy Specialists are ready to help you