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

BARBARA1963

MEMBER
1999 CHEVROLET SILVERADO
150,000 MILES

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?

Monday, December 5th, 2011 AT 11:01 PM

1 Reply

JACOBANDNICKOLAS

MECHANIC
109,708 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.

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

1 Reply

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