Cooling pump probems

Stefan T · Aug 16, 2015

I have get a message Battry cooling problems charging limited

And my cooing pump is not running
The level is ok of the coolant

IWre is the placed on the roaster?
What is that for pump and what car more car use it or were can i get a new one?

or have somone a better ide of the problem

Thanks for tips

Electric700 · Aug 16, 2015

Can you do a reset/power the car on and off? If that doesn't work try checking the fuses and contact Tesla Service if you continue having trouble.

Someone else here may also have additional advice that might help.

Stefan T · Aug 16, 2015

I Dont find anny boken fuse
I driven The car carefully home and i try to charge it but it refse
I drove 300 km 190 miles
So i have only. 90 ideal km left
Real carful drivning it posible to drive it SC
I shall see if it posible to carge to morrow when have cool down

BartJ · Aug 17, 2015

try to charge in performance mode.
That might do the trick ...

Stefan T · Aug 17, 2015

I have ordered new pumps

I shall try charge 10A preformace mode
Service chent don't have time to change them Before 4 november
so i will do it by my self

I can see if can lay out pics of it when i done it

GVTesla · Aug 17, 2015

Stefan T said:
I have ordered new pumps

...

I can see if can lay out pics of it when i done it

Excellent. Btw, did you order the new pumps at the SC?

Stefan T · Aug 17, 2015

Yes
They promis to take home them to me
They will get them next week hope fully or the week after wards

GVTesla · Aug 17, 2015

Thanks! If you'd be able to take some pictures many thanks in advance too. I might be looking at a pump replacement myself as I discovered a small leakage @ the pump. Not bad, but it's there.

BartJ · Aug 17, 2015

Stefan T said:
I have ordered new pumps

I shall try charge 10A preformace mode
Service chent don't have time to change them Before 4 november
so i will do it by my self

I can see if can lay out pics of it when i done it

No time before 4 november ?
you must be joking ...

Stefan T · Aug 17, 2015

No i'm not joking in that case
But mabe they not what to work with a roadster becase of no experiance
The guy a taked with said the never done annyting on a roadster
There is only 9 roadsters in sweden and the nearest service center opened 22/4

hcsharp · Aug 17, 2015

GVTesla said:
Thanks! If you'd be able to take some pictures many thanks in advance too. I might be looking at a pump replacement myself as I discovered a small leakage @ the pump. Not bad, but it's there.

Yes^^ Thanks in advance for taking pictures. Try to find out if the coolant heater is integral with the pump, or if it's a separate part. If it's separate, see if you can take some pics of that, too. Thanks:smile:

qwk · Aug 18, 2015

FYI, the bosch pump part # is 0 392 022 002.

Stefan T · Aug 19, 2015

Thanks for the tips about the part #
That was the pump i suspected Intercooler pump to Mustang & Merceders

Stefan T · Aug 24, 2015

I have get new pumps

The pump is not Mustang / Merceders intercooler pumps

The next isue is to lift roadster
But with a jack and lift take of the rear wheels and lift in the front lifting points and under the coilovers

I took of the bottom plate under the battry
But there was no pumps

After some look i fund the hoses and the goes up under the right side front part of the rear fender wall

The pump is placed in serie and the heater is place after the pumps

I disconect the sockets an check the voltage in the contact
The volage was only 1V not 12V i test to put in the new pumps on the wires and they didn't start ether
Can some help me with a electrical diagram were the supply come from?

And last a photo of uncommon combination of cars

A tesla roadster on the lift and 9 passinger Edsel Village 1959 under and a RHD ragtop VW 1960

Please some tips about the power supply of the pumps

Stefan T · Aug 26, 2015

A little check of the pumps
0392023014 bosch number seams to be right and it is a brushless pump
I took a OHM meter and messure the restance of the new pump and was in Mohm class that count up and out and i flip the poles and the did the same

I have check the signal out to the pumps and messure only 1V

Mattias · Aug 26, 2015

Are you measuring when the pump is supposed to be enabled?

Otherwise the 1 Volt could be a signal from the PCM to search for the pump being connected, and it would never enable output to the DC-motor without sensing the appropriate resistance from the Pump itself.

It should be a two pole connector, with one being the feed (12 Volts) and the other side grounded by the PCM when the car enables the pump.

jeremyz · Aug 26, 2015

I got a coolant error message. The service center looked into it and they said the message was popping up because the pump was drawing less current than it was supposed to. This is either an indication that the coolant is very low (which it wasn't) or the internals of the pump are wearing out. Their quote to replace it was $684.56.

PUMP-ESS COOLANT PCA12 (2004503) $373.73
Labor $280
Tax $30.83

The pump price is a little outrageous if the pump is the bosch pump that I can buy on Amazon for less than $100.

I talked to the technician about it. He said it was really easy to replace because it just involved two hoses, an electrical connector and had reasonable access.

ML Auto · Aug 28, 2015

hcsharp said:
Yes^^ Thanks in advance for taking pictures. Try to find out if the coolant heater is integral with the pump, or if it's a separate part. If it's separate, see if you can take some pics of that, too. Thanks:smile:

Here are some pics of the pump and heater. The first 3 are 2.0/2.5. The last 3 are from a 1.5 which only has one pump.

Stefan T · Aug 30, 2015

I have changed the pumps and refiled the coolant and vacuum sucked the system
But The larm is still there and the car refused to charge
I think i need to restart the system om erase the codes
How shall reache the service menues?
I dont have anny codes fot that please can some ont help me

spaceballs · Aug 30, 2015

Stefan T said:
I have changed the pumps and refiled the coolant and vacuum sucked the system
But The larm is still there and the car refused to charge
I think i need to restart the system om erase the codes
How shall reache the service menues?
I dont have anny codes fot that please can some ont help me

Have you disconnected the 12v battery and pulled the ESS service disconnect, then plug it all back in?

Cooling pump probems

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