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Is anyone experiencing this or is it just me? My Volt wasn't producing heat when on battery power and I was told the coolant pump went up. The service manager told me they don't have any parts in stock and had to order from GM. Now, over 3 weeks have past and my car is still sitting at the dealership waiting for a coolant pump!!! I called several times and the answers have been the same - "GM has a shortage of the parts and every dealership nation-wide is experiencing the same issue, not just this dealership." Can GM really be this bad on their parts supply chain? :( :confused:
 

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Try contacting your Volt advisor. Also, given the holiday period, some folks may be just returning to work. IN the meantime, I hope you got a loaner Volt. If not, talk to your advisor about getting reimbursed for gas.
 

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How did they determine if the pump was bad? The reason I ask is the Volt is different than normal cars. If you operate in fan only mode, the temp of the air will not change even if you up the temp. It must be in comfort or ECO mode for the heat to turn on.
 

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I had the pump replaced about four weeks ago on my 2015. Same symptoms - no heat in electric mode. Heat was fine with the engine running. I guess I was lucky on the parts. The car was fixed on day 2. The dealership provided a Equinox loaner so the entire experience was painless. Hang in there.
 

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Discussion Starter #5
Try contacting your Volt advisor. Also, given the holiday period, some folks may be just returning to work. IN the meantime, I hope you got a loaner Volt. If not, talk to your advisor about getting reimbursed for gas.
Thanks! I'll try to contact Volt advisor. By the way, I did get a loaner and, with my commute even during the holiday time, I've put over 1600 miles on that loaner.
 

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Discussion Starter #6
How did they determine if the pump was bad? The reason I ask is the Volt is different than normal cars. If you operate in fan only mode, the temp of the air will not change even if you up the temp. It must be in comfort or ECO mode for the heat to turn on.
As long as it's on battery, it's blowing cold air no matter what mode or combinations it's on - auto, manual, comfort, eco, etc. So I'm sure something is wrong with the heating. I assumed that the tech from the shop knows what he is doing. :)
 

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Discussion Starter #7
I had the pump replaced about four weeks ago on my 2015. Same symptoms - no heat in electric mode. Heat was fine with the engine running. I guess I was lucky on the parts. The car was fixed on day 2. The dealership provided a Equinox loaner so the entire experience was painless. Hang in there.
Thanks, man! I wish that I had your luck! My loaner is a brand new 2017 Cruze. However, the driving experience simply can't compare with my Volt. I miss my Volt so much!
 
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Is anyone experiencing this or is it just me? My Volt wasn't producing heat when on battery power and I was told the coolant pump went up. The service manager told me they don't have any parts in stock and had to order from GM. Now, over 3 weeks have past and my car is still sitting at the dealership waiting for a coolant pump!!! I called several times and the answers have been the same - "GM has a shortage of the parts and every dealership nation-wide is experiencing the same issue, not just this dealership." Can GM really be this bad on their parts supply chain? :( :confused:
Hi goducks,

Your frustration with this delay is completely understandable. While we can make no promises, our team would like to reach out to your dealership and see if we can assist in any way. If this is something we can do for you, please send us a private message.

We can also be reached by email [email protected] with "ATTN: Volt" in the subject line.

Best Wishes,

Amber G.
Chevrolet Customer Care
 

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I have the same issue with one of my customers car. No heat, coolant heat pump is inop. Ordered the pump 1 week ago, the part is on back order. This could be due to a high demand for the part or they may be going with another vender or redesign of the part. I let the customer take the car since the heat works when the gas engine is on (car placed in hold mode). Besides its not that cold here in Phoenix.
 

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I have the same issue with one of my customers car. No heat, coolant heat pump is inop.
Is it easy for you to determine the pump is defective using your GM diagnostic tools?

Seems like several folks have needed this pump replaced more often than the actual CHCM heater lately. Wondering if this is something that only GM can diagnose as having failed. Thanks!
 

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If you put ear to the right front wheel well, you should hear a faint hum, if the pump's running.
 

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My car has been at the dealership since 12/20 waiting for the pump as well! I got an e-mail that they ordered a different pump today, however when I checked the part of gmpartsonline.net it says it doesn't fit my 2014 Volt. The new part number is GM13597900 and the first one was GM13597899, both of which say they will not fit. Is the site wrong or should I be worried I'm waiting on the wrong part??
 

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Discussion Starter #13
Just a quick update, in case anyone is interested. I did call Volt advisor team and the lady contacted my service rep at the dealership. After that, she said that she will get back to me once she gets an answer. There's still no immediate answer. It certainly makes me feel that for whatever reason, they just don't have a coolant pump for my car! Don't want to jump into any conclusion. But now, I'm really curious to know if it is actually acceptable/understandable that a car manufacturer can't provide a major part of a one-year-old car. Maybe someone has the knowledge of how auto industry operates can shed a light?
 

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My 2014 has the same issue. And the dealership is trying to order the pump. They have told me that no dealership has one and they are trying to get one ordered from GM. I guess this is a major issue right now. I;m also wondering how long the new pump will last. My car went into the dealership right before Christmas. I was given an Acadia and I'm not liking the amount of gas it uses.
 

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Discussion Starter #15
Update - Four weeks have past by and I'm still waiting for a precious coolant pump to show up. For the folks out there that have been waiting along with me, has any of you got your coolant pump yet?
 

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.... Don't want to jump into any conclusion. But now, I'm really curious to know if it is actually acceptable/understandable that a car manufacturer can't provide a major part of a one-year-old car. ...
Maybe providing the Bolt production line with this pump is more important to the corporation???:rolleyes:
 

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Our pump was diagnosed and fixed in under a week. The pump had to be ordered, we picked up the car last Friday. We are in Canada, but it shouldn't matter, the dealer network is North America wide for parts.
 

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Update - Four weeks have past by and I'm still waiting for a precious coolant pump to show up. For the folks out there that have been waiting along with me, has any of you got your coolant pump yet?
Just got a call from the dealer today. The part should be in tomorrow. We will see if it fixes my heater issues!
 

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Discussion Starter #19
Good luck, @Flint Locke! After I posted my update and then saw @jayoldschool's post yesterday, I was going to call the dealership and ask how come Canadian owners got it and I don't. As I was about to call, they called me and said that my car is ready for pick up. Hallelujah!!! Four-week waiting for a part - that's certainly a record for me.
 

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My 2014 Volt had the same symptoms (no cabin heat on battery), and was diagnosed with the same problem in early December.

The dealership told me the same day that the part (aux pump) is on backorder/not being produced, but should have the part within a week or so. In the meantime, I told them I'll take the car back until the part arrives. 4 weeks later, I hear nothing back from the dealership and so I drop by to see what's going on. Finally they tell me that the part is still on backorder with no ETA, and also mentioned that there were about 2 other Volts with the same issue waiting for over 2 months! The only thing they would do is give me a phone number for GM to see if I can "push" from their side.

I called GM last week and told them the situation. They needed some time to investigate and I finally heard back from them today (week #5). Same story: the part is on backorder with no ETA and there's nothing they can do either.

I find it hard to believe that GM is not producing a part for a car that is less than 3 year old! Especially reading the forums and hearing from the dealership, there seems to be quite a few other Volts with the same breakdown. Fortunately, it's a leased vehicle and it'll be someone else's problem in a few months. I love my car and I've had zero issues with it until now. It's too bad because I was considering buying a used Volt once my lease expires, but as of now, I can't recommend anyone buying a used Volt.

In the meantime, I'm forced to burn fossil fuels for heat.
 
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