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2001 chevy: express van..it rains alot or snows in winter..wont shift…

Customer Question
I have a 2001 chevy...
I have a 2001 chevy 3500 express van when it rains alot or snows in winter the transmission wont shift out of second once it dries it is fine. I had transmission rebuilt the problem is still there.
Submitted: 8 years ago.Category: Chevy
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Answered in 4 minutes by:
6/26/2010
Chevy Mechanic: Eric, Automotive Repair Shop Manager replied 8 years ago
Eric
Eric, Automotive Repair Shop Manager
Category: Chevy
Satisfied Customers: 35,177
Experience: 20+ yrs. experience as repair shop manager and technician.
Verified

Hi,

 

You need to thoroughly trace the wiring harness from the transmission to the powertrain control module. Somewhere there is wiring that the insulator cut or chafed, allowing water in, or the connector at the transmission to where it goes into the transmission has exposure and is getting wet and shorting. This will cause the shift solenoids inside the transmission to not function properly

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Chevy Mechanic: Eric, Automotive Repair Shop Manager replied 8 years ago

Hi,

 

 

If you have any questions on this, feel free to ask for more help, otherwise click the accept button to pay for services rendered per the customer agreement you agreed to as this is a paysite and the expert is not paid for their time, experience, diagrams or documents provided, research time, or knowledge until you do so. thank you and have a good day..

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