Possible damage to car without water pump.
I was wondering if my 270 cdi 06 has gone through any possible harm when it has run with only one water pump for a longer period of time. The oil cooler for transmission is f.ex situated in the water cooled intercooler. Can anything be damaged without the engine itself running hot, or even when it was running hot?
The car has had problems running into limp home mode since summer when we changed one of the water pumps. In november we had to change the other one too, and the thermostat.
I just try to find any possible solution to the limp home mode after months of head scratching.
The only fault we have on diagnostic now is "gear choice unlikely/not natural" from gearbox lever-component/unit.
NB. It has to be said that we have done insane amount of work situated around can/bus and different control units, so i want to try another angel to this problem.
I was intrigued to learn that the 270CDI has two water pumps. My specialty is with the older models although I have been researching your problem without success so far.
Please would you furnish me your chassis number.
In my opinion there should have been no damage to your vehicle resulting in running hotter as long as it did not overheat.
I am assuming the second water pump is a scavenge pump transferring water from one unit to another or simply assisting the main engine water pump.
Now coming back to the gear box; has the problem developed whilst you owned the vehicle or have you bought the vehicle with the fault?
Check on the gear number also and furnish me with that number as well.
I think the engine has a main, conventional water-pump and a smaller, electric, one to scavenge / ensure flow to the heater matrix.
The gearbox has temperature sensors for the oil and it will protect itself. If you didn't overheat the engine at any point, then I wouldn't think the water-pump(s) to be a possible cause.
The fault code is P2110. Can-communication with transfersystem/tractionsystem has fault)
I have looked up your P2110 code and it does not result in any of the MB diagnostic code lists that I have found.
Are you sure it is correct?
P2310 : CAN communication with traction system
P2100: Y3/6Y3 1-2 and 4-5 shift solenoid valve faulty
This is what i have got. And i find this answer on google too, so i think it is right. But i do not know anything more.
The codes you have found are the other way around? That is the codes for the fault i wrote about?
We got a new code today. This is a bit strange, since we have only got one code for quite a while now.
It is "Signal from component B49(transmission output sensor) is unlikely/not possible". How common is it that the fault is the voltage and not the sensor itself? If this is the problem, especially if the voltage problem is periodic, then we have a hell-of-a-problem!
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The car had a problem that it got a bit too hot this summer. We even washed the radiators, and lots of junk floated down the drain. Almost ten years of dust. We certainly felt that the AC worked way better after it. So after that we did not really have a problem with over-heating. But when the cold came this harvest, we found out that the extra water pump and the thermostat was not working either.
The car worked when we bought it. But we had an issue with the speed-wire hung up in tectyl. So the pedal got stuck. That was one week after we bought it!
The second problem was the extra heater element connected to the engine block(i think). It drained the fully charged battery over-night.
THEN we got the epc-light in april, i think. And that is when everything started. I could list it up forever.
The vin is: Wdb4633231x161990. I will try to get the one and only fault code we have, tomorrow.