1999 Chevrolet Silverado Put Auto 4wheel Drive Truck Will About 50ft Stop

1999 CHEVROLET SILVERADO
52,000 MILES
Avatar
DPCORNWELL
  • MEMBER
  • 3 POSTS
when i put it in auto 4wheel drive truck will go about 50ft. stop working,service 4wh drive lite comes on and .i cant get it out of auto 4wh until i shut off motor,now i don,tuse it,now when i plow in 4wh high it works good until go over 25 mph in high range service 4wh drive lite comes on and i can,t get it out of 4wh until i stop an shut mtr off ! please help
Jan 22, 2013 at 11:18 AM
Advertisement
Avatar
HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
have it scanned for codes, souns like the encoder motor either isn't working one way or the t-case module may be bad. but it needs scanning to see what the problem is.
Jan 22, 2013 at 3:23 PM
Avatar
DPCORNWELL
  • MEMBER
  • 3 POSTS
had it scanned 6mo. ago an nothing showed up also other mec. look at it with no clue
Jan 23, 2013 at 5:12 AM
Avatar
HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
scannig it 6 mo ago doesnt' mean it will be good forever, it needs to be scanned or check to see if encoder motor is getting power and operating.iit probably isn't working correctly
Jan 23, 2013 at 7:06 AM
Avatar
DPCORNWELL
  • MEMBER
  • 3 POSTS
nothing showed up when scanned 6 mo. ago the 4wh drive problem was allready there b4 an after
Jan 23, 2013 at 11:23 AM
🔧 Tools & Auto Repair Parts
Find automotive tools, diagnostic equipment, and replacement parts for your next repair.
Shop on Amazon →
Paid affiliate link. As an Amazon Associate, we earn from qualifying purchases.
Add a reply
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.

Ask a new question

Frequently Asked Problems for This Vehicle