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I just have a quick question..we have a chevy tahoe. Diesel.

Customer Question
I just have a...

I just have a quick question..we have a chevy tahoe. Diesel. The battery is dead, but when we try to jump-start it, it still won't start.

Mechanic's Assistant: Did you test the battery with a voltmeter? And have you ever changed one before?

I think the car is early 200/late 90's

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

We have tried jumpstarting it. 1 minute

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

Kids came

Submitted: 2 months ago.Category: UK Car
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Answered in 9 minutes by:
12/19/2017
UK Auto Mechanic: Eric, Automotive Repair Shop Manager replied 2 months ago
Eric
Eric, Automotive Repair Shop Manager
Category: UK Car
Satisfied Customers: 33,406
Experience: Automotive Repair Shop Manager, Technician/JA Mentor
Verified

HI,

If the battery voltage drops low enough, it will not be able to be jump started and may not be able to be charged, even using a battery charger. Usually it is around 9.5v when it is too low and usually due to a dead battery cell, which with a dead cell, no amount of charging is going to bring the battery back to life.

You need to have the battery tested and if below 9.5v, buy a new one. If above that, then it will need to be put on a charger for several hours

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UK Auto Mechanic: Eric, Automotive Repair Shop Manager replied 1 month ago

I noticed we have not yet resolved your concern you asked about. I would sure appreciate it if you would reply so I can offer my skills and knowledge and repair guide access to help as best I can.

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Eric
Eric
Eric, Automotive Repair Shop Manager
Category: UK Car
Satisfied Customers: 33,406
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Experience: Automotive Repair Shop Manager, Technician/JA Mentor

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