HELP HELP steering pump part number

[Slevan7]

I've just bought a 2004 polo for my wife only problem being it had a power steering problem so it was cheap 😉.

Young lad who I got the car from had replaced the pump with a second hand unit but didn't realise he needed a matching part number pump, unfortunately he's thrown away the old unit is there any way I can find this out?

I understand the pump and angle sensor have to match up from what I've read about.
Or is it an option to just take a whole new steering rack and pump from a salvage car?

[Slevan7]

Bump, any help would be much appreciated I'm stuck until I know what to do.

[FLAPPERJACK76]

Bump, any help would be much appreciated I'm stuck until I know what to do.What engine ? Petrol /diesel and manual or auto?

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Pm your reg number i will see if i can help

[Slevan7]

It's a 2004 1.2 petrol. I had a proper look at it yesterday and I think they have changed the angle sensor aswell. The kid I got it from did say he didn't realise about taking them from the same vehicle so he's just cut his losses.

[FLAPPERJACK76]

It's a 2004 1.2 petrol. I had a proper look at it yesterday and I think they have changed the angle sensor aswell. The kid I got it from did say he didn't realise about taking them from the same vehicle so he's just cut his losses.Far as I can tell its 6R0423156C. What one do you have? 6R0423156B should be fine as well. These pumps are also coded. The correct coding is probably already set in your vehicle. The coding just varies the operating voltage and therefore lightens the steering and can be changed in units of 10. Think the lower the last 2 digits the lighter the steering. Or I might be wrong it might be the higher the last 2 digits the lighter the steering...actually I think that's correct. If you can get vcds on there check the operating voltage if its showing 7.7 volts (half battery voltage with engine running) then one of the 2 bridges inside the pump has failed which is usually the actual problem with the pump .

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[FLAPPERJACK76]

Far as I can tell its 6R0423156C. What one do you have? 6R0423156B should be fine as well. These pumps are also coded. The correct coding is probably already set in your vehicle. The coding just varies the operating voltage and therefore lightens the steering and can be changed in units of 10. Think the lower the last 2 digits the lighter the steering. Or I might be wrong it might be the higher the last 2 digits the lighter the steering...actually I think that's correct. If you can get vcds on there check the operating voltage if its showing 7.7 volts (half battery voltage with engine running) then one of the 2 bridges inside the pump has failed which is usually the actual problem with the pump .

Sent from my SM-G930F using TapatalkAlso there mega expensive like £600 . Gsf sell for about £200. I would get a 2nd hand one.

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[Slevan7]

So as far as the angle sensor goes is that linked in some way to an individual pump? Or is it just a bog standard sensor?

I'll try to find out tomorrow what the part number is, so when I replace the pump will I have to have someone come and replace code it or if I get the right unit will it be recognised and just work?

Sorry for the lack of knowledge I normally stay away from all the coded crap it's just a headache.

[FLAPPERJACK76]

Code in the car should be good. If the angle sensor has already been replaced then I would fit a 2nd hand pump. But firstly you should scan the car check faults. Be a good idea to make sure you have a live and an earth as well at the pump before you replace anything.

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[Slevan7]

Okay I'll need to order the cable for the software as I only have a handheld unit and it shows no fault codes.

It might be worth saying he told me when he replaced the pump it worked then it had blown the plate fuse on top of the battery after 30 seconds , so stupidly he just bypassed it and now it doesn't work. Thinking about what you said about it being voltage control that runs different pumps I'm sure he's fitted the wrong one.

I'll download the software and buy a cable before I do anything else.

Thanks for your help I'll get back to you when I have more information.

[FLAPPERJACK76]

Your welcome. If it was blowing the fuse at a guess it would sound like the pump.

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[Slevan7]

Okay have now downloaded VCDS and have someone codes.

00920 something to do with heated mirrors

01598 drive battery voltage. Signal too low

00906 horn

00975 heated rear window

01044 control module incorrectly coded
I think this is the radio code.

01309 power steering control module (j500) no communication _intermittent

00778 steering angle sensor (g85) no communication

00566 steering assistance operation
Implausible signal _intermittent

00816 power steering sensor (g250)
Open or short to plus _intermittent

00779 outside air temperature sensor

00588 airbag igniter drives side

01321 control module for airbag


Alot I know only really interested with the steering problem for now.

I has a quick Google around the steering sensor and it mentions about the wheel being straight and both front wheels pointed forward, my steering wheel has to be at 9 o'clock for the front wheels to be pointing forward.

Any help would be much appreciated i have no idea what to do first.

[FLAPPERJACK76]

First thing I would do is disconnect battery wheels in the straight ahead position. Remove airbag remove steering wheel. Put steering wheel back on in the straight ahead position and fit airbag. Connect the battery. Erase all the faults . Turn steering full left and hold then full right and hold then drive it forwards upto 30 mph. Re check faults come post whats there. If steering is still heavy remove nsf bumper grille or fog lamp whatever is fitted and check the power supply at the pump and make sure you have a good earth. Middle plug with large wires.


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[Slevan7]

Okay so I've done what you advised wheels straight disconnected the battery steering wheel off, back on the the correct position reconnected the battery and cleared the codes, all the way to the left and hold then the right hand side and drove it.

Still have the same codes as before for the power steering a few have gone like the airbag and mirrors.

Still the steering isn't working correctly, I noticed after the test drive the was oil leaking from the front bumper so removed the wheel arch liner and the fog light to have a look.
There's oil leaking from the pump somewhere I can't tell where as it's covered in oil, firstly I have the part number from the pump and it's 6Q0423156AB I know it was changed by the previous owner and didn't fix the problem so he abandoned it but as said before he just simply got a pump never checked any numbers. Looking at what you said before about my number should be it doesn't match.

On the vcds the pump vag number is the same 6Q0423156AB so I take it its taking to it some how, or could this be the correct pump?

I then looked at the angle sensor as I thought it was new it isn't in fact the plug at the rack end is broken it can just simply be pulled off.

Now onto the power feed I didn't check there was power to the pump I'll do that tomorrow, but I was really struggling to get an earth tred on a few places can't seem to find a reading, I'll check that again was it was raining and I didn't want to be outside too long 😂.

I'm pretty sure I'm going to replace the pump first but don't want to order anything until I get advice from you.

Thanks
Jordan

[Slevan7]

Also if it means anything under the current pump part number on vcds soft coding 00110 would this be my original code or this pumps code?

[FLAPPERJACK76]

This pumps code 00110 is i think the heaviest setting . Can you post measured values in steering. ? Its probably the best way for me to spot an anomoly.

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[FLAPPERJACK76]

This pumps code 00110 is i think the heaviest setting . Can you post measured values in steering. ? Its probably the best way for me to spot an anomoly.

Sent from my SM-G930F using TapatalkYou could change it to 00150 which should be the maximum lightest. From memory they leave the factory on 00140.

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[Slevan7]

How would I go about getting measured values? I'm new to this software. Also can I just click on that code and change it?

I've completely removed the pump now as I was certain it was wrong.
Would it be possible to just ring vw and ask them what the original part number is? I can simply just buy the correct pump then.

[FLAPPERJACK76]

How would I go about getting measured values? I'm new to this software. Also can I just click on that code and change it?

I've completely removed the pump now as I was certain it was wrong.
Would it be possible to just ring vw and ask them what the original part number is? I can simply just buy the correct pump then.You could but they dont like giving out part numbers. Worth a try. You could just plug the pump back in . Go to steering. Click measured values and photo the values on your phone and to post them here.

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[Slevan7]

Okay ☹️ I'll have to get some new fluid then tomorrow.
What if I just got a steering rack and pump from the same vehicle would that be an easy fix? Or is it still a problem with part numbers?

[FLAPPERJACK76]

Okay [emoji852]️ I'll have to get some new fluid then tomorrow.
What if I just got a steering rack and pump from the same vehicle would that be an easy fix? Or is it still a problem with part numbers?No .. dont bother with the fluid. Just plug it back in . Take the measured values and post them. Put pipes back on. Takes a few mins. Your only going to start it it will be ok.



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[Slevan7]

Okay will do tomorrow,
I owe you lots of beer after this is fixed your the only person helping me out. 😉

[FLAPPERJACK76]

Help you as much as i can , im a bit rusty with vcds though. I used to use it years ago. Im currently using ... cant remember what its called but its blooming brilliant. Spent 23 years on vws audis skodas and Seats. Last 2 years i have been working as an mot tester and work on everything now. Pm me your reg im sure theres another fuse to check . F7 maybe . Not the metal strip fuse but a normal type fuse.

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[FLAPPERJACK76]

Check fuse F7 5 amp in fascia fuse panel. When you open drivers door its on the right of the dashboard. https://uploads.tapatalk-cdn.com/20171107/c128840a7e6ab8a2eaabdf8c128338b4.jpg

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[FLAPPERJACK76]

Also check your earth points see photo attached. https://uploads.tapatalk-cdn.com/20171107/c5d9cf67d60289eab271385e86af693b.jpg

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[FLAPPERJACK76]

Wiring diagram. https://uploads.tapatalk-cdn.com/20171107/507219a22df66c2fa9d597ef085de45c.jpg

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[Slevan7]

342963429734298

[Slevan7]

3430034301

[Slevan7]

Did what you said, also checked all the fuses in that bord there all fine. I'm going to call VW tomorrow to see if I can get the original pump number.

[FLAPPERJACK76]

Its your pump . You can clearly see its running at 7.5 volts. Which is approximately half alternator voltage. So one of the two electrical bridges has failed inside the pump. There is no current displayed because the steering motor won't run on 7.5 volts.

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[Slevan7]

Its your pump . You can clearly see its running at 7.5 volts. Which is approximately half alternator voltage. So one of the two electrical bridges has failed inside the pump. There is no current displayed because the steering motor won't run on 7.5 volts.

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So what pump am I ordering? We know this was changed and didn't work and the number wasn't checked before ordering.

[FLAPPERJACK76]

Ebay item check this 401347556303
Ask them if its for your car which im certain it will be .

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[FLAPPERJACK76]

I reckon the fella you brought the car from put a faulty 2nd hand pump on .

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[Slevan7]

Still doesn't really answer the question, I'm not convinced that the part number of this pump is the one I should be ordering.
I'm going to ring every VW garage in the country until someone tells me my original part number tomorrow ��.

[Slevan7]

Just rang vw 😀😀😀😀 give them my vin and my pump number is 6R0423156C. That sound right to you?

[Slevan7]

Just called a vw parts supplier and give him this number, he's saying that is definitely wrong for my model year that pump number is from newer cars. Don't know what to do now ��

[FLAPPERJACK76]

6R0423156C like i said in post 5. Its the latest version. It changes number as time goes by as they continously improve the parts.

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[arman123]

34305

that part number is correct for you car 6R0423156C

http://www.ebay.co.uk/itm/GENUINE-VW-VOLKSWAGEN-POWER-STEERING-PUMP-6R0423156C/381516800820?epid=657972784&hash=item58d42c6334:g:ldoAAOSwi7RZHzwX

[Slevan7]

I've looked all afternoon for a good condition second hand pump that I don't need to spend a fortune on, there's nothing about at all.
I've found a few with the correct part number just the last letter is different like AB OR M if I was to use this would I need to re code it in VCDS? I can get a good pump with warranty for around £50.

Also do I need to put green fluid back in after or is normal red stuff okay?

[Vagnuts]

try a look here (http://www.oemepc.com) -put you vin in and look see what part no is --it covers all VAG just click an look at the rite bit of site you want !!!

[Vagnuts]

Online VAG spare parts catalog, Volkswagen, Audi, Skoda, Seat. VAG VIN decoder, part number search. *** Online. (www.oemepc.com), it do's work !!

[Slevan7]

Anyone know how much fluid this system holds, just about to buy the oil and is so expensive :( I left a old washing up tub under the car after removing the pump stop any drips from the pipes getting on the drive and it was raining that night got a gallon of water and oil in there ��.

[Vagnuts]

How would I go about getting measured values? I'm new to this software. Also can I just click on that code and change it?

I've completely removed the pump now as I was certain it was wrong.
Would it be possible to just ring vw and ask them what the original part number is? I can simply just buy the correct pump then. take a look here put you vin in and it will tell you what the car left factory with Online Volkswagen vehicles spare parts catalogue, Volkswagen VIN decoder, Part number search, *** Online (http://www.oemepc.com/vw)