WHAT COULD BE THE REASON THAT MY TRUCK WONT GO INTO ITS LAST GEAR?

1999 CHEVROLET SILVERADO
150,000 MILES
Avatar
BARBARA1963
  • MEMBER
  • 99 POSTS
I GO UP TO 45 OR 50 MPH AND IT JUST HUMS IN THE 4 TH GEAR. IS THERE A RELAY SWITCH THAT I MIGHT NEED TO CHECK?
Dec 5, 2011 at 3:01 PM
Advertisement
Avatar
JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,248 POSTS
It could be a shift solenoid. If the check engine light has come on, have the computer scanned to identify if there are any trans trouble codes. Most parts stores will do it for free.
Dec 5, 2011 at 3:02 PM
🔧 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