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I have a 97 Chevy Silverado z71 5

Tiny
ANONYMOUS
  • MEMBER
  • 1997 CHEVROLET SILVERADO
  • 210,000 MILES
I have a 97 chevy silverado z71 5.7 with 4L60 16 bolt pan tranny I was getting on to the interstate this afternoon and when my truck would normaly down shift it reved out and then would not shift into 4th I take it out of overdrive and it runs through 1st 2nd 3rd fine but I have no passing gear or 4th in overdrive. HELP! PLEASE
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Thursday, February 14th, 2013 AT 2:47 AM

8 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,133 POSTS
Has the check engine light come on? Is the fluid clean and full? You may have a problem with the torque converter or front pump. I need to know if there are any codes. Otherwise, it becomes a guessing game.
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Thursday, February 14th, 2013 AT 2:52 AM
Tiny
BLUE25MS
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  • 4 POSTS
Engine light has been on due to o2 senser I changed filter and 5 quarts today it has never been serviced but fluid was full but dirty I can take and have codes pulled up in the morning I left the truck at work I have to go over a real high brige to get home and I didnt want to make things worse
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Thursday, February 14th, 2013 AT 3:01 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,133 POSTS
My concern is if the fluid was really dirty, there could be a problem with a clutch pack. Let me know what codes you pull. Hopefully, one will be a trans code with an easy fix.
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Thursday, February 14th, 2013 AT 3:02 AM
Tiny
BLUE25MS
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  • 4 POSTS
I was hoping you were going to say shift silenoid
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Thursday, February 14th, 2013 AT 3:04 AM
Tiny
BLUE25MS
  • MEMBER
  • 4 POSTS
I will get them first thing is there a way to check codes
with out going to parts store
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Thursday, February 14th, 2013 AT 3:06 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,133 POSTS
It could be a solenoid, but that should have set a trouble code.
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Thursday, February 14th, 2013 AT 3:14 AM
Tiny
BLUE25MS
  • MEMBER
  • 4 POSTS
Ok I will get back to you tomarrow thank you
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Thursday, February 14th, 2013 AT 3:22 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,133 POSTS
I look forward to hearing from you. Have a good night
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Thursday, February 14th, 2013 AT 3:24 AM

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