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My husband has a 2001 GMC 2500 with a 8.1 gas burner.About 4…

Customer Question
My husband has a...

My husband has a 2001 GMC 2500 with a 8.1 gas burner.About 4 month ago the transmission light came on and said the transmission was hot ,to put it in idle. it showed the temperature to the transmission was over 300. I got it home and my husband checked it . It was not hot. The light went off a few days later we put it in the shop they could not find what was wrong with it.When the light comes on and shifts it will shift real hard. Any suggestions!

Mechanic's Assistant: Have you checked the transmission fluid?

Yes it is fine

Mechanic's Assistant: Are you fixing your 2500 yourself? What have you tried so far?

When it was in the shop they replaced the heat sensor manofild inside the transmission,internal wiring harness,also external pig tail on wiring harness, hope this makes sense to you. I am typing as my husband talks

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

What they did not help any

Submitted: 4 months ago.Category: GMC
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Customer reply replied 4 months ago
Posted by JustAnswer at customer's request) Hello. I would like to request the following Expert Service(s) from you: Live Phone Call.
Customer reply replied 4 months ago
Let me know if you need more information, or send me the service offer(s) so we can proceed.
Answered in 16 minutes by:
11/30/2017
GMC Mechanic: Gary, ASE Certified Technician replied 4 months ago
Gary
Gary, ASE Certified Technician
Category: GMC
Satisfied Customers: 17,781
Experience: GCM master tech over 25 years
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Welcome! My name is ***** ***** I will do my best to assist you with this problem.

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GMC Mechanic: Gary, ASE Certified Technician replied 4 months ago

after the sensor was replaced and wiring it still is showing 300 ?

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